Attachment #117990 for bug #194734

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/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *     Ashley Cambrell - bug 198904
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Listener;

/**
 * @since 3.2
 * 
 */
public class ListObservableValue extends AbstractSWTObservableValue {

	private final List list;

	private boolean updating = false;

	private String currentValue;

	private Listener listener;

	/**
	 * @param list
	 */
	public ListObservableValue(List list) {
		super(list);
		this.list = list;
		this.currentValue = (String) doGetValue();

		if ((list.getStyle() & SWT.MULTI) > 0)
			throw new IllegalArgumentException(
					"SWT.SINGLE support only for a List selection"); //$NON-NLS-1$

		listener = new Listener() {

			public void handleEvent(Event event) {
				if (!updating) {
					Object oldValue = currentValue;
					currentValue = (String) doGetValue();
					fireValueChange(Diffs.createValueDiff(oldValue,
							currentValue));
				}
			}

		};
		list.addListener(SWT.Selection, listener);
	}

	public void doSetValue(Object value) {
		String oldValue = null;
		if (list.getSelection() != null && list.getSelection().length > 0)
			oldValue = list.getSelection()[0];
		try {
			updating = true;
			String items[] = list.getItems();
			int index = -1;
			if (items != null && value != null) {
				for (int i = 0; i < items.length; i++) {
					if (value.equals(items[i])) {
						index = i;
						break;
					}
				}
				list.select(index); // -1 will not "unselect"
			}
			currentValue = (String) value;
		} finally {
			updating = false;
		}
		fireValueChange(Diffs.createValueDiff(oldValue, value));
	}

	public Object doGetValue() {
		int index = list.getSelectionIndex();
		if (index >= 0)
			return list.getItem(index);
		return null;
	}

	public Object getValueType() {
		return String.class;
	}

	/*
	 * (non-Javadoc)
	 *
	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose()
	 */
	public synchronized void dispose() {
		super.dispose();
		if (listener != null && !list.isDisposed()) {
			list.removeListener(SWT.Selection, listener);
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *     Ashley Cambrell - bug 198904
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;

/**
 * @since 1.0
 *
 */
public class CComboSingleSelectionObservableValue extends
		SingleSelectionObservableValue {

	private SelectionListener selectionListener;

	/**
	 * @param combo
	 */
	public CComboSingleSelectionObservableValue(CCombo combo) {
		super(combo);
	}
	
	/**
	 * @param realm
	 * @param combo
	 */
	public CComboSingleSelectionObservableValue(Realm realm, CCombo combo) {
		super(realm, combo);
	}

	private CCombo getCCombo() {
		return (CCombo) getWidget();
	}

	protected void doAddSelectionListener(final Runnable runnable) {
		selectionListener = new SelectionListener() {
			public void widgetDefaultSelected(SelectionEvent e) {
				runnable.run();
			}

			public void widgetSelected(SelectionEvent e) {
				runnable.run();
			}
		};
		getCCombo().addSelectionListener(selectionListener);
	}

	protected int doGetSelectionIndex() {
		return getCCombo().getSelectionIndex();
	}

	protected void doSetSelectionIndex(int index) {
		getCCombo().setText(getCCombo().getItem(index));
	}

	/*
	 * (non-Javadoc)
	 *
	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose()
	 */
	public synchronized void dispose() {
		super.dispose();
		if (selectionListener != null && !getCCombo().isDisposed()) {
			getCCombo().removeSelectionListener(selectionListener);
		}

	}
}




/*******************************************************************************
 * Copyright (c) 2007 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 207844)
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - initial API and implementation
 *     Matthew Hall - bug 212235
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.widgets.Shell;

/**
 * An {@link IObservableValue} that tracks the text of a Shell.
 * 
 * @since 1.2
 */
public class ShellObservableValue extends AbstractSWTObservableValue {

	private final Shell shell;

	/**
	 * Constructs a ShellObservableValue which tracks the text of the given
	 * Shell.
	 * 
	 * @param shell
	 *            the shell to track
	 */
	public ShellObservableValue(Shell shell) {
		super(shell);
		this.shell = shell;
	}

	/**
	 * Constructs a ShellObservableValue belonging to the given realm, which
	 * tracks the text of the given shell.
	 * 
	 * @param realm
	 *            the realm of the constructed observable
	 * @param shell
	 *            the shell to track
	 */
	public ShellObservableValue(Realm realm, Shell shell) {
		super(realm, shell);
		this.shell = shell;
	}

	protected void doSetValue(final Object value) {
		String oldValue = shell.getText();
		String newValue = value == null ? "" : value.toString(); //$NON-NLS-1$
		shell.setText(newValue);

		if (!newValue.equals(oldValue)) {
			fireValueChange(Diffs.createValueDiff(oldValue, newValue));
		}
	}

	protected Object doGetValue() {
		return shell.getText();
	}

	public Object getValueType() {
		return String.class;
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.swt.custom.CCombo;

/**
 * @since 3.2
 * 
 */
public class CComboObservableList extends SWTObservableList {

	private final CCombo ccombo;

	/**
	 * @param ccombo
	 */
	public CComboObservableList(CCombo ccombo) {
		super(SWTObservables.getRealm(ccombo.getDisplay()));
		this.ccombo = ccombo;
	}

	protected int getItemCount() {
		return ccombo.getItemCount();
	}

	protected void setItems(String[] newItems) {
		ccombo.setItems(newItems);
	}

	protected String[] getItems() {
		return ccombo.getItems();
	}

	protected String getItem(int index) {
		return ccombo.getItem(index);
	}

	protected void setItem(int index, String string) {
		ccombo.setItem(index, string);
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Peter Centgraf - bug 175763
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Scale;

/**
 * @since 1.0
 * 
 */
public class ScaleObservableValue extends AbstractSWTObservableValue {

	private final Scale scale;

	private final String attribute;

	private boolean updating = false;

	private int currentSelection;
	
	private SelectionListener listener;

	/**
	 * @param scale
	 * @param attribute
	 */
	public ScaleObservableValue(Scale scale, String attribute) {
		super(scale);
		this.scale = scale;
		this.attribute = attribute;
		init();
	}
	
	/**
	 * @param realm
	 * @param scale
	 * @param attribute
	 */
	public ScaleObservableValue(Realm realm, Scale scale, String attribute) {
		super(realm, scale);
		this.scale = scale;
		this.attribute = attribute;
		init();
	}
	
	private void init() {		
		if (attribute.equals(SWTProperties.SELECTION)) {
			currentSelection = scale.getSelection();
			scale.addSelectionListener(listener = new SelectionAdapter() {
				public void widgetSelected(SelectionEvent e) {
					if (!updating) {
						int newSelection = ScaleObservableValue.this.scale
						.getSelection();
						notifyIfChanged(currentSelection, newSelection);
						currentSelection = newSelection;
					}
				}
			});
		} else if (!attribute.equals(SWTProperties.MIN)
				&& !attribute.equals(SWTProperties.MAX)) {
			throw new IllegalArgumentException(
					"Attribute name not valid: " + attribute); //$NON-NLS-1$
		}
	}

	public void doSetValue(final Object value) {
		int oldValue;
		int newValue;
		try {
			updating = true;
			newValue = ((Integer) value).intValue();
			if (attribute.equals(SWTProperties.SELECTION)) {
				oldValue = scale.getSelection();
				scale.setSelection(newValue);
				currentSelection = newValue;
			} else if (attribute.equals(SWTProperties.MIN)) {
				oldValue = scale.getMinimum();
				scale.setMinimum(newValue);
			} else if (attribute.equals(SWTProperties.MAX)) {
				oldValue = scale.getMaximum();
				scale.setMaximum(newValue);
			} else {
				Assert.isTrue(false, "invalid attribute name:" + attribute); //$NON-NLS-1$
				return;
			}
			
			notifyIfChanged(oldValue, newValue);
		} finally {
			updating = false;
		}
	}

	public Object doGetValue() {
		int value = 0;
		if (attribute.equals(SWTProperties.SELECTION)) {
			value = scale.getSelection();
		} else if (attribute.equals(SWTProperties.MIN)) {
			value = scale.getMinimum();
		} else if (attribute.equals(SWTProperties.MAX)) {
			value = scale.getMaximum();
		}
		return new Integer(value);
	}

	public Object getValueType() {
		return Integer.TYPE;
	}

	/**
	 * @return attribute being observed
	 */
	public String getAttribute() {
		return attribute;
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose()
	 */
	public synchronized void dispose() {
		super.dispose();
		
		if (listener != null && !scale.isDisposed()) {
			scale.removeSelectionListener(listener);
		}
		listener = null;
	}
	
	private void notifyIfChanged(int oldValue, int newValue) {
		if (oldValue != newValue) {
			fireValueChange(Diffs.createValueDiff(new Integer(oldValue),
					new Integer(newValue)));
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *     Ashley Cambrell - bug 198904
 *     Matthew Hall - bug 118516
 *     Eric Rizzo - bug 134884
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;

/**
 * @since 3.2
 * 
 */
public class CComboObservableValue extends AbstractSWTObservableValue {

	/**
	 * 
	 */

	private final CCombo ccombo;

	private final String attribute;

	private boolean updating = false;

	private String currentValue;

	private ModifyListener modifyListener;

	/**
	 * @param ccombo
	 * @param attribute
	 */
	public CComboObservableValue(CCombo ccombo, String attribute) {
		super(ccombo);
		this.ccombo = ccombo;
		this.attribute = attribute;
		init();
	}

	/**
	 * @param realm
	 * @param ccombo
	 * @param attribute
	 */
	public CComboObservableValue(Realm realm, CCombo ccombo, String attribute) {
		super(realm, ccombo);
		this.ccombo = ccombo;
		this.attribute = attribute;
		init();
	}
	
	private void init() {		
		if (attribute.equals(SWTProperties.SELECTION)
				|| attribute.equals(SWTProperties.TEXT)) {
			this.currentValue = ccombo.getText();
			modifyListener = new ModifyListener() {

				public void modifyText(ModifyEvent e) {
					if (!updating) {
						String oldValue = currentValue;
						currentValue = CComboObservableValue.this.ccombo
								.getText();
						
						notifyIfChanged(oldValue, currentValue);
					}
				}
			};
			ccombo.addModifyListener(modifyListener);
		} else
			throw new IllegalArgumentException();
	}

	public void doSetValue(final Object value) {
		String oldValue = ccombo.getText();
		try {
			updating = true;
			if (attribute.equals(SWTProperties.TEXT)) {
				String stringValue = value != null ? value.toString() : ""; //$NON-NLS-1$
				ccombo.setText(stringValue);
			} else if (attribute.equals(SWTProperties.SELECTION)) {
				String items[] = ccombo.getItems();
				int index = -1;
				if (value == null) {
					ccombo.select(-1);
				} else if (items != null) {
					for (int i = 0; i < items.length; i++) {
						if (value.equals(items[i])) {
							index = i;
							break;
						}
					}
					if (index == -1) {
						ccombo.setText((String) value);
					} else {
						ccombo.select(index); // -1 will not "unselect"
					}
				}
			}
		} finally {
			updating = false;
			currentValue = ccombo.getText();
		}
		
		notifyIfChanged(oldValue, currentValue);
	}

	public Object doGetValue() {
		if (attribute.equals(SWTProperties.TEXT))
			return ccombo.getText();

		Assert.isTrue(attribute.equals(SWTProperties.SELECTION),
				"unexpected attribute: " + attribute); //$NON-NLS-1$
		// The problem with a ccombo, is that it changes the text and
		// fires before it update its selection index
		return ccombo.getText();
	}

	public Object getValueType() {
		Assert.isTrue(attribute.equals(SWTProperties.TEXT)
				|| attribute.equals(SWTProperties.SELECTION),
				"unexpected attribute: " + attribute); //$NON-NLS-1$
		return String.class;
	}

	/**
	 * @return attribute being observed
	 */
	public String getAttribute() {
		return attribute;
	}

	/*
	 * (non-Javadoc)
	 *
	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose()
	 */
	public synchronized void dispose() {
		super.dispose();

		if (modifyListener != null && !ccombo.isDisposed()) {
			ccombo.removeModifyListener(modifyListener);
		}
	}
	
	private void notifyIfChanged(String oldValue, String newValue) {
		if (!oldValue.equals(newValue)) {
			fireValueChange(Diffs.createValueDiff(oldValue, ccombo.getText()));			
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *     Ashley Cambrell - bug 198904
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Table;

/**
 * @since 1.0
 * 
 */
public class TableSingleSelectionObservableValue extends
		SingleSelectionObservableValue {

	private SelectionListener selectionListener;

	/**
	 * @param table
	 */
	public TableSingleSelectionObservableValue(Table table) {
		super(table);
	}
	
	/**
	 * @param realm
	 * @param table
	 */
	public TableSingleSelectionObservableValue(Realm realm, Table table) {
		super(realm, table);
	}

	private Table getTable() {
		return (Table) getWidget();
	}

	protected void doAddSelectionListener(final Runnable runnable) {
		selectionListener = new SelectionListener() {
			public void widgetDefaultSelected(SelectionEvent e) {
				runnable.run();
			}

			public void widgetSelected(SelectionEvent e) {
				runnable.run();
			}
		};
		getTable().addSelectionListener(selectionListener);
	}

	protected int doGetSelectionIndex() {
		return getTable().getSelectionIndex();
	}

	protected void doSetSelectionIndex(int index) {
		getTable().setSelection(index);
	}

	/*
	 * (non-Javadoc)
	 *
	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose()
	 */
	public synchronized void dispose() {
		super.dispose();
		if (selectionListener != null && !getTable().isDisposed()) {
			getTable().removeSelectionListener(selectionListener);
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 208858
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;

import org.eclipse.core.databinding.BindingException;
import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.ObservableTracker;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.list.AbstractObservableList;

/**
 * Abstract base class of CComboObservableList, ComboObservableList, and
 * ListObservableList.
 * 
 * @since 3.2
 * 
 */
public abstract class SWTObservableList extends AbstractObservableList {

	/**
	 * 
	 */
	public SWTObservableList() {
		super();
	}

	/**
	 * @param realm
	 */
	public SWTObservableList(Realm realm) {
		super(realm);
	}

	public void add(int index, Object element) {
		int size = doGetSize();
		if (index < 0 || index > size)
			index = size;
		String[] newItems = new String[size + 1];
		System.arraycopy(getItems(), 0, newItems, 0, index);
		newItems[index] = (String) element;
		System.arraycopy(getItems(), index, newItems, index + 1, size - index);
		setItems(newItems);
		fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(index,
				true, element)));
	}

	public int doGetSize() {
		return getItemCount();
	}

	public Object get(int index) {
		getterCalled();
		return getItem(index);
	}

	public Object getElementType() {
		return String.class;
	}

	/**
	 * @param index
	 * @return the item at the given index
	 */
	protected abstract String getItem(int index);

	/**
	 * @return the item count
	 */
	protected abstract int getItemCount();

	/**
	 * @return the items
	 */
	protected abstract String[] getItems();

	private void getterCalled() {
		ObservableTracker.getterCalled(this);
	}

	public Object remove(int index) {
		getterCalled();
		int size = doGetSize();
		if (index < 0 || index > size - 1)
			throw new BindingException(
					"Request to remove an element out of the collection bounds"); //$NON-NLS-1$

		String[] newItems = new String[size - 1];
		String oldElement = getItem(index);
		if (newItems.length > 0) {
			System.arraycopy(getItems(), 0, newItems, 0, index);
			if (size - 1 > index) {
				System.arraycopy(getItems(), index + 1, newItems, index, size
						- index - 1);
			}
		}
		setItems(newItems);
		fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(index,
				false, oldElement)));
		return oldElement;
	}

	public Object set(int index, Object element) {
		String oldElement = getItem(index);
		setItem(index, (String) element);
		fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(index,
				false, oldElement), Diffs.createListDiffEntry(index, true,
				element)));
		return oldElement;
	}

	public Object move(int oldIndex, int newIndex) {
		checkRealm();
		if (oldIndex == newIndex)
			return get(oldIndex);
		int size = doGetSize();
		if (oldIndex < 0 || oldIndex >= size)
			throw new IndexOutOfBoundsException(
					"oldIndex: " + oldIndex + ", size:" + size); //$NON-NLS-1$ //$NON-NLS-2$
		if (newIndex < 0 || newIndex >= size)
			throw new IndexOutOfBoundsException(
					"newIndex: " + newIndex + ", size:" + size); //$NON-NLS-1$ //$NON-NLS-2$

		String[] items = getItems();
		String[] newItems = new String[size];
		String element = items[oldIndex];
		if (newItems.length > 0) {
			System.arraycopy(items, 0, newItems, 0, size);
			if (oldIndex < newIndex) {
				System.arraycopy(items, oldIndex + 1, newItems, oldIndex,
						newIndex - oldIndex);
			} else {
				System.arraycopy(items, newIndex, newItems, newIndex + 1,
						oldIndex - newIndex);
			}
			newItems[newIndex] = element;
		}
		setItems(newItems);
		fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(oldIndex,
				false, element), Diffs.createListDiffEntry(newIndex, true,
				element)));
		return element;
	}

	public boolean removeAll(Collection c) {
		checkRealm();
		List oldItems = Arrays.asList(getItems());
		List newItems = new ArrayList(oldItems);
		boolean removedAll = newItems.removeAll(c);
		if (removedAll) {
			setItems((String[]) newItems.toArray(new String[newItems.size()]));
			fireListChange(Diffs.computeListDiff(oldItems, newItems));
		}
		return removedAll;
	}

	public boolean retainAll(Collection c) {
		checkRealm();
		List oldItems = Arrays.asList(getItems());
		List newItems = new ArrayList(oldItems);
		boolean retainedAll = newItems.retainAll(c);
		if (retainedAll) {
			setItems((String[]) newItems.toArray(new String[newItems.size()]));
			fireListChange(Diffs.computeListDiff(oldItems, newItems));
		}
		return retainedAll;
	}

	/**
	 * @param index
	 * @param string
	 */
	protected abstract void setItem(int index, String string);

	/**
	 * @param newItems
	 */
	protected abstract void setItems(String[] newItems);

}




/*******************************************************************************
 * Copyright (c) 2007, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.widgets.Text;

/**
 * Observable value for the editable property of a Text.
 * 
 * @since 1.1
 */
public class TextEditableObservableValue extends AbstractSWTObservableValue {
	private Text text;
	
	/**
	 * @param text
	 */
	public TextEditableObservableValue(Text text) {
		super(text);	
		this.text = text;
	}
	
	/**
	 * @param realm
	 * @param text
	 */
	public TextEditableObservableValue(Realm realm, Text text) {
		super(realm, text);
		this.text = text;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#doGetValue()
	 */
	protected Object doGetValue() {
		return (text.getEditable()) ? Boolean.TRUE : Boolean.FALSE;
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.core.databinding.observable.value.IObservableValue#getValueType()
	 */
	public Object getValueType() {
		return Boolean.TYPE;
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#doSetValue(java.lang.Object)
	 */
	protected void doSetValue(Object value) {
		if (value == null) {
			throw new IllegalArgumentException("Parameter value was null."); //$NON-NLS-1$
		}
		
		Boolean oldValue = new Boolean(text.getEditable());
		Boolean newValue = (Boolean) value;
		
		text.setEditable(newValue.booleanValue());
		
		if (!oldValue.equals(newValue)) {
			fireValueChange(Diffs.createValueDiff(oldValue, newValue));
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.swt.widgets.Combo;

/**
 * @since 3.2
 * 
 */
public class ComboObservableList extends SWTObservableList {

	private final Combo combo;

	/**
	 * @param combo
	 */
	public ComboObservableList(Combo combo) {
		super(SWTObservables.getRealm(combo.getDisplay()));
		this.combo = combo;
	}

	protected int getItemCount() {
		return combo.getItemCount();
	}

	protected void setItems(String[] newItems) {
		combo.setItems(newItems);
	}

	protected String[] getItems() {
		return combo.getItems();
	}

	protected String getItem(int index) {
		return combo.getItem(index);
	}

	protected void setItem(int index, String string) {
		combo.setItem(index, string);
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.widgets.Item;

/**
 * @since 3.5
 * 
 */
public class ItemObservableValue extends AbstractSWTObservableValue {

	private final Item item;

	/**
	 * @param item
	 */
	public ItemObservableValue(Item item) {
		super(item);
		this.item = item;
	}
	
	/**
	 * @param realm
	 * @param item
	 */
	public ItemObservableValue(Realm realm, Item item) {
		super(realm, item);
		this.item = item;
	}

	public void doSetValue(final Object value) {
		String oldValue = item.getText();
		String newValue = value == null ? "" : value.toString(); //$NON-NLS-1$
		item.setText(newValue);
		
		if (!newValue.equals(oldValue)) {
			fireValueChange(Diffs.createValueDiff(oldValue, newValue));
		}
	}

	public Object doGetValue() {
		return item.getText();
	}

	public Object getValueType() {
		return String.class;
	}

}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds (bug 135446)
 *     Brad Reynolds - bug 164653
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTVetoableValue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.VerifyEvent;
import org.eclipse.swt.events.VerifyListener;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;

/**
 * {@link IObservable} implementation that wraps a {@link Text} widget. The time
 * at which listeners should be notified about changes to the text is specified
 * on construction.
 * 
 * <dl>
 * <dt>Events:</dt>
 * <dd> If the update event type (specified on construction) is
 * <code>SWT.Modify</code> a value change event will be fired on every key
 * stroke. If the update event type is <code>SWT.FocusOut</code> a value
 * change event will be fired on focus out. When in either mode if the user is
 * entering text and presses [Escape] the value will be reverted back to the
 * last value set using doSetValue(). Regardless of the update event type a
 * value changing event will fire on verify to enable vetoing of changes.</dd>
 * </dl>
 * 
 * @since 1.0
 */
public class TextObservableValue extends AbstractSWTVetoableValue {

	/**
	 * {@link Text} widget that this is being observed.
	 */
	private final Text text;

	/**
	 * Flag to track when the model is updating the widget. When
	 * <code>true</code> the handlers for the SWT events should not process
	 * the event as this would cause an infinite loop.
	 */
	private boolean updating = false;

	/**
	 * SWT event that on firing this observable will fire change events to its
	 * listeners.
	 */
	private final int updateEventType;

	/**
	 * Valid types for the {@link #updateEventType}.
	 */
	private static final int[] validUpdateEventTypes = new int[] { SWT.Modify,
			SWT.FocusOut, SWT.None };

	/**
	 * Previous value of the Text.
	 */
	private String oldValue;

	private Listener updateListener = new Listener() {
		public void handleEvent(Event event) {
			if (!updating) {
				String newValue = text.getText();

				if (!newValue.equals(oldValue)) {
					fireValueChange(Diffs.createValueDiff(oldValue, newValue));					
					oldValue = newValue;
				}
			}
		}
	};

	private VerifyListener verifyListener;

	/**
	 * Constructs a new instance bound to the given <code>text</code> widget
	 * and configured to fire change events to its listeners at the time of the
	 * <code>updateEventType</code>.
	 * 
	 * @param text
	 * @param updateEventType
	 *            SWT event constant as to what SWT event to update the model in
	 *            response to. Appropriate values are: <code>SWT.Modify</code>,
	 *            <code>SWT.FocusOut</code>, <code>SWT.None</code>.
	 * @throws IllegalArgumentException
	 *             if <code>updateEventType</code> is an incorrect type.
	 */
	public TextObservableValue(final Text text, int updateEventType) {
		this(SWTObservables.getRealm(text.getDisplay()), text, updateEventType);
	}
	
	/**
	 * Constructs a new instance.
	 * 
	 * @param realm can not be <code>null</code>
	 * @param text
	 * @param updateEventType
	 */
	public TextObservableValue(final Realm realm, Text text, int updateEventType) {
		super(realm, text);
		
		boolean eventValid = false;
		for (int i = 0; !eventValid && i < validUpdateEventTypes.length; i++) {
			eventValid = (updateEventType == validUpdateEventTypes[i]);
		}
		if (!eventValid) {
			throw new IllegalArgumentException(
					"UpdateEventType [" + updateEventType + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
		}
		this.text = text;
		this.updateEventType = updateEventType;
		if (updateEventType != SWT.None) {
			text.addListener(updateEventType, updateListener);
		}
		
		oldValue = text.getText();
		
		verifyListener = new VerifyListener() {
			public void verifyText(VerifyEvent e) {
				if (!updating) {
					String currentText = TextObservableValue.this.text
							.getText();
					String newText = currentText.substring(0, e.start) + e.text
							+ currentText.substring(e.end);
					if (!fireValueChanging(Diffs.createValueDiff(currentText,
							newText))) {
						e.doit = false;
					}
				}
			}
		};
		text.addVerifyListener(verifyListener);
	}

	/**
	 * Sets the bound {@link Text Text's} text to the passed <code>value</code>.
	 * 
	 * @param value
	 *            new value, String expected
	 * @see org.eclipse.core.databinding.observable.value.AbstractVetoableValue#doSetApprovedValue(java.lang.Object)
	 * @throws ClassCastException
	 *             if the value is anything other than a String
	 */
	protected void doSetApprovedValue(final Object value) {
		try {
			updating = true;
			text.setText(value == null ? "" : value.toString()); //$NON-NLS-1$
			oldValue = text.getText();
		} finally {
			updating = false;
		}
	}

	/**
	 * Returns the current value of the {@link Text}.
	 * 
	 * @see org.eclipse.core.databinding.observable.value.AbstractVetoableValue#doGetValue()
	 */
	public Object doGetValue() {
		return oldValue = text.getText();
	}

	/**
	 * Returns the type of the value from {@link #doGetValue()}, i.e.
	 * String.class
	 * 
	 * @see org.eclipse.core.databinding.observable.value.IObservableValue#getValueType()
	 */
	public Object getValueType() {
		return String.class;
	}

	public synchronized void dispose() {
		if (!text.isDisposed()) {
			if (updateEventType != SWT.None) {
				text.removeListener(updateEventType, updateListener);
			}
			text.removeVerifyListener(verifyListener);
		}
		super.dispose();
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *     Ashley Cambrell - bug 198904
 *     Matthew Hall - bug 118516
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.widgets.Spinner;

/**
 * @since 1.0
 * 
 */
public class SpinnerObservableValue extends AbstractSWTObservableValue {

	private final Spinner spinner;

	private final String attribute;

	private boolean updating = false;

	private int currentSelection;

	private ModifyListener modifyListener;

	/**
	 * @param spinner
	 * @param attribute
	 */
	public SpinnerObservableValue(Spinner spinner, String attribute) {
		super(spinner);
		this.spinner = spinner;
		this.attribute = attribute;
		init();
	}
	
	/**
	 * @param realm
	 * @param spinner
	 * @param attribute
	 */
	public SpinnerObservableValue(Realm realm, Spinner spinner, String attribute) {
		super(realm, spinner);
		this.spinner = spinner;
		this.attribute = attribute;
		init();
	}
	
	private void init() {		
		if (attribute.equals(SWTProperties.SELECTION)) {
			currentSelection = spinner.getSelection();
			modifyListener = new ModifyListener() {
				public void modifyText(ModifyEvent e) {
					if (!updating) {
						int newSelection = SpinnerObservableValue.this.spinner
						.getSelection();
						notifyIfChanged(currentSelection, newSelection);
						currentSelection = newSelection;
					}
				}
			};
			spinner.addModifyListener(modifyListener);
		} else if (!attribute.equals(SWTProperties.MIN)
				&& !attribute.equals(SWTProperties.MAX)) {
			throw new IllegalArgumentException(
					"Attribute name not valid: " + attribute); //$NON-NLS-1$
		}
	}

	public void doSetValue(final Object value) {
		int oldValue;
		int newValue;
		try {
			updating = true;
			newValue = ((Integer) value).intValue();
			if (attribute.equals(SWTProperties.SELECTION)) {
				oldValue = spinner.getSelection();
				spinner.setSelection(newValue);
				currentSelection = newValue;
			} else if (attribute.equals(SWTProperties.MIN)) {
				oldValue = spinner.getMinimum();
				spinner.setMinimum(newValue);
			} else if (attribute.equals(SWTProperties.MAX)) {
				oldValue = spinner.getMaximum();
				spinner.setMaximum(newValue);
			} else {
				Assert.isTrue(false, "invalid attribute name:" + attribute); //$NON-NLS-1$
				return;
			}
			notifyIfChanged(oldValue, newValue);
		} finally {
			updating = false;
		}
	}

	public Object doGetValue() {
		int value = 0;
		if (attribute.equals(SWTProperties.SELECTION)) {
			value = spinner.getSelection();
		} else if (attribute.equals(SWTProperties.MIN)) {
			value = spinner.getMinimum();
		} else if (attribute.equals(SWTProperties.MAX)) {
			value = spinner.getMaximum();
		}
		return new Integer(value);
	}

	public Object getValueType() {
		return Integer.TYPE;
	}

	/**
	 * @return attribute being observed
	 */
	public String getAttribute() {
		return attribute;
	}

	/*
	 * (non-Javadoc)
	 *
	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose()
	 */
	public synchronized void dispose() {
		super.dispose();
		if (modifyListener != null && !spinner.isDisposed()) {
			spinner.removeModifyListener(modifyListener);
		}
	}
	
	private void notifyIfChanged(int oldValue, int newValue) {
		if (oldValue != newValue) {
			fireValueChange(Diffs.createValueDiff(new Integer(oldValue),
					new Integer(newValue)));
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.swt.widgets.List;

/**
 * @since 3.2
 * 
 */
public class ListObservableList extends SWTObservableList {

	private final List list;

	/**
	 * @param list
	 */
	public ListObservableList(List list) {
		super(SWTObservables.getRealm(list.getDisplay()));
		this.list = list;
	}

	protected int getItemCount() {
		return list.getItemCount();
	}

	protected void setItems(String[] newItems) {
		list.setItems(newItems);
	}

	protected String[] getItems() {
		return list.getItems();
	}

	protected String getItem(int index) {
		return list.getItem(index);
	}

	protected void setItem(int index, String string) {
		list.setItem(index, string);
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.widgets.Item;
import org.eclipse.swt.widgets.TabItem;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.ToolItem;
import org.eclipse.swt.widgets.TrayItem;
import org.eclipse.swt.widgets.TreeColumn;

/**
 * @since 3.5
 * 
 */
public class ItemTooltipObservableValue extends AbstractSWTObservableValue {

	private final Item item;

	/**
	 * @param item
	 */
	public ItemTooltipObservableValue(Item item) {
		super(item);
		this.item = item;
	}
	
	/**
	 * @param realm
	 * @param item
	 */
	public ItemTooltipObservableValue(Realm realm, Item item) {
		super(realm, item);
		this.item = item;
	}

	public void doSetValue(final Object value) {
		String oldValue = (String) doGetValue();

		String newValue = value == null ? "" : value.toString(); //$NON-NLS-1$
		if (item instanceof CTabItem) {
			((CTabItem)item).setToolTipText(newValue);
		}
		else if (item instanceof TabItem) {
			((TabItem)item).setToolTipText(newValue);
		}
		else if (item instanceof TableColumn) {
			((TableColumn)item).setToolTipText(newValue);
		}
		else if (item instanceof ToolItem) {
			((ToolItem)item).setToolTipText(newValue);
		}
		else if (item instanceof TrayItem) {
			((TrayItem)item).setToolTipText(newValue);
		}
		else if (item instanceof TreeColumn) {
			((TreeColumn)item).setToolTipText(newValue);
		}
		
		if (!newValue.equals(oldValue)) {
			fireValueChange(Diffs.createValueDiff(oldValue, newValue));
		}
	}

	public Object doGetValue() {
		if (item instanceof CTabItem) {
			return ((CTabItem)item).getToolTipText();
		}
		else if (item instanceof TabItem) {
			return ((TabItem)item).getToolTipText();
		}
		else if (item instanceof TableColumn) {
			return ((TableColumn)item).getToolTipText();
		}
		else if (item instanceof ToolItem) {
			return ((ToolItem)item).getToolTipText();
		}
		else if (item instanceof TrayItem) {
			return ((TrayItem)item).getToolTipText();
		}
		else if (item instanceof TreeColumn) {
			return ((TreeColumn)item).getToolTipText();
		}
		
		return null;
	}

	public Object getValueType() {
		return String.class;
	}

}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matt Carter - bug 170668
 *     Brad Reynolds - bug 170848
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

/**
 * Constants used to describe properties of SWT controls.
 * 
 * @since 1.0
 *
 */
public interface SWTProperties {

	/**
	 * Applies to Control
	 */
	public static final String ENABLED = "enabled"; //$NON-NLS-1$
	/**
	 * Applies to Control
	 */
	public static final String VISIBLE = "visible"; //$NON-NLS-1$
	/**
	 * Applies to Control
	 */
	public static final String TOOLTIP_TEXT = "tooltip"; //$NON-NLS-1$	
	/**
	 * Applies to
	 */
	public static final String ITEMS = "items"; //$NON-NLS-1$
	/**
	 * Applies to Spinner
	 */
	public static final String MAX = "max"; //$NON-NLS-1$
	/**
	 * Applies to Spinner
	 */
	public static final String MIN = "min"; //$NON-NLS-1$
	/**
	 * Applies to Spinner, Button
	 */
	public static final String SELECTION = "selection"; //$NON-NLS-1$
	/**
	 * Applies to Spinner, Button
	 */
	public static final String SELECTION_INDEX = "index"; //$NON-NLS-1$
	/**
	 * Applies to Text, Label, Combo
	 */
	public static final String TEXT = "text"; //$NON-NLS-1$
	
	/**
	 * Applies to Label, CLabel.
	 */
	public static final String IMAGE = "image"; //$NON-NLS-1$
	/**
	 * Applies to Control
	 */
	public static final String FOREGROUND = "foreground"; //$NON-NLS-1$
	/**
	 * Applies to Control
	 */
	public static final String BACKGROUND = "background"; //$NON-NLS-1$
	/**
	 * Applies to Control
	 */
	public static final String FONT = "font"; //$NON-NLS-1$
	
	/**
	 * Applies to Control 
	 */
	public static final String SIZE = "size";  //$NON-NLS-1$
	
	/**
	 * Applies to Control
	 */
	public static final String LOCATION = "location"; //$NON-NLS-1$
	
	/**
	 * Applies to Control
	 */
	public static final String FOCUS = "focus"; //$NON-NLS-1$
	
	/**
	 * Applies to Control
	 */
	public static final String BOUNDS = "bounds"; //$NON-NLS-1$

}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *     Matt Carter - bug 170668
 *     Brad Reynolds - bug 170848
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import java.util.HashMap;
import java.util.Map;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.jface.util.Util;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.ControlListener;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.FocusListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Control;

/**
 * @since 1.0
 * 
 */
public class ControlObservableValue extends AbstractSWTObservableValue {

	private final Control control;

	private final String attribute;

	private Object valueType;
	
	private FocusListener focusListener;

	private ControlListener controlListener;

	private Boolean currentFocus;

	private Point currentPoint;

	private Rectangle currentBounds;

	private boolean updating;

	
	private static final Map SUPPORTED_ATTRIBUTES = new HashMap();
	static {
		SUPPORTED_ATTRIBUTES.put(SWTProperties.ENABLED, Boolean.TYPE);
		SUPPORTED_ATTRIBUTES.put(SWTProperties.VISIBLE, Boolean.TYPE);
		SUPPORTED_ATTRIBUTES.put(SWTProperties.TOOLTIP_TEXT, String.class);
		SUPPORTED_ATTRIBUTES.put(SWTProperties.FOREGROUND, Color.class);
		SUPPORTED_ATTRIBUTES.put(SWTProperties.BACKGROUND, Color.class);
		SUPPORTED_ATTRIBUTES.put(SWTProperties.FONT, Font.class);
		SUPPORTED_ATTRIBUTES.put(SWTProperties.LOCATION, Point.class);
		SUPPORTED_ATTRIBUTES.put(SWTProperties.SIZE, Point.class);
		SUPPORTED_ATTRIBUTES.put(SWTProperties.FOCUS, Boolean.class);
		SUPPORTED_ATTRIBUTES.put(SWTProperties.BOUNDS, Rectangle.class);
	}
	
	/**
	 * @param control
	 * @param attribute
	 */
	public ControlObservableValue(Control control, String attribute) {
		super(control);
		this.control = control;
		this.attribute = attribute;
		if (SUPPORTED_ATTRIBUTES.keySet().contains(attribute)) {
			this.valueType = SUPPORTED_ATTRIBUTES.get(attribute); 
		} else {
			throw new IllegalArgumentException();
		}
		
		init();
	}
	
	/**
	 * @param realm 
	 * @param control
	 * @param attribute
	 */
	public ControlObservableValue(Realm realm, Control control, String attribute) {
		super(realm, control);
		this.control = control;
		this.attribute = attribute;
		if (SUPPORTED_ATTRIBUTES.keySet().contains(attribute)) {
			this.valueType = SUPPORTED_ATTRIBUTES.get(attribute); 
		} else {
			throw new IllegalArgumentException();
		}
		
		init();
	}

	private void init() {
		if (SWTProperties.SIZE.equals(attribute)
				|| SWTProperties.LOCATION.equals(attribute)
				|| SWTProperties.BOUNDS.equals(attribute)) {
			this.currentPoint = SWTProperties.SIZE.equals(attribute) ? control
					.getSize() : control.getLocation();

			controlListener = new ControlListener() {

				public void controlMoved(ControlEvent e) {
					if (SWTProperties.LOCATION.equals(attribute)) {
						if (!updating) {
							Point oldValue = currentPoint;
							currentPoint = control.getLocation();

							notifyIfChanged(oldValue, currentPoint);
						}
					} else if (SWTProperties.BOUNDS.equals(attribute)) {
						if (!updating) {
							Rectangle oldValue = currentBounds;
							currentBounds = control.getBounds();

							notifyIfChanged(oldValue, currentBounds);
						}
					}
				}

				public void controlResized(ControlEvent e) {
					if (SWTProperties.LOCATION.equals(attribute)) {
						if (!updating) {
							Point oldValue = currentPoint;
							currentPoint = control.getSize();

							notifyIfChanged(oldValue, currentPoint);
						}
					} else if (SWTProperties.BOUNDS.equals(attribute)) {
						if (!updating) {
							Rectangle oldValue = currentBounds;
							currentBounds = control.getBounds();

							notifyIfChanged(oldValue, currentBounds);
						}
					}
				}
			};
			control.addControlListener(controlListener);
		} else if (SWTProperties.FOCUS.equals(attribute)) {
			this.currentFocus = control == control.getDisplay()
					.getFocusControl() ? Boolean.TRUE : Boolean.FALSE;
			focusListener = new FocusListener() {

				public void focusGained(FocusEvent e) {
					if (!updating) {
						Boolean oldValue = currentFocus;
						currentFocus = Boolean.TRUE;
						notifyIfChanged(oldValue, currentFocus);
					}
				}

				public void focusLost(FocusEvent e) {
					if (!updating) {
						Boolean oldValue = currentFocus;
						currentFocus = Boolean.FALSE;
						notifyIfChanged(oldValue, currentFocus);
					}
				}
			};
			control.addFocusListener(focusListener);
		}
	}
	
	public void doSetValue(Object value) {
		Object oldValue = doGetValue();
		
		if (SWTProperties.SIZE.equals(attribute)) {
			try {
				updating = true;
				control.setSize((Point) value);
			} finally {
				updating = false;
				currentPoint = control.getSize();
			}
		} else if (SWTProperties.LOCATION.equals(attribute)) {
			try {
				updating = true;
				control.setLocation((Point) value);
			} finally {
				updating = false;
				currentPoint = control.getLocation();
			}
		} else if (SWTProperties.FOCUS.equals(attribute)) {
			try {
				updating = true;
				if (Boolean.TRUE.equals(value)) {
					currentFocus = control.setFocus() ? Boolean.TRUE
							: Boolean.FALSE;
				} else {
					// TODO Not possible force the focus to leave the control
					// Maybe focus should the move to the Shell containing the
					// control
					this.currentFocus = control == control.getDisplay()
							.getFocusControl() ? Boolean.TRUE : Boolean.FALSE;
				}
			} finally {
				updating = false;
			}
		} else if (SWTProperties.BOUNDS.equals(attribute)) {
			try {
				updating = true;
				control.setBounds((Rectangle) value);
			} finally {
				updating = false;
				currentBounds = control.getBounds();
			}
		} else if (attribute.equals(SWTProperties.ENABLED)) {
			control.setEnabled(((Boolean) value).booleanValue());
		} else if (attribute.equals(SWTProperties.VISIBLE)) {
			control.setVisible(((Boolean) value).booleanValue());
		} else if (attribute.equals(SWTProperties.TOOLTIP_TEXT)) {
			control.setToolTipText((String) value);
		} else if (attribute.equals(SWTProperties.FOREGROUND)) {
			control.setForeground((Color) value);
		} else if (attribute.equals(SWTProperties.BACKGROUND)) {
			control.setBackground((Color) value);
		} else if (attribute.equals(SWTProperties.FONT)) {
			control.setFont((Font) value);
		}
		
		notifyIfChanged(oldValue, value);
	}

	public Object doGetValue() {
		if (attribute.equals(SWTProperties.ENABLED)) {
			return control.getEnabled() ? Boolean.TRUE : Boolean.FALSE;
		}
		if (attribute.equals(SWTProperties.VISIBLE)) {
			return control.getVisible() ? Boolean.TRUE : Boolean.FALSE;
		}
		if (attribute.equals(SWTProperties.TOOLTIP_TEXT)) {
			return control.getToolTipText();			
		}
		if (attribute.equals(SWTProperties.FOREGROUND))	 {
			return control.getForeground();
		}
		if (attribute.equals(SWTProperties.BACKGROUND)) {
			return control.getBackground();
		}
		if (attribute.equals(SWTProperties.FONT)) {
			return control.getFont();
		}
		if (SWTProperties.SIZE.equals(attribute)) {
			return control.getSize();
		}
		if (SWTProperties.LOCATION.equals(attribute)) {
			return control.getLocation();
		}
		if (SWTProperties.FOCUS.equals(attribute)) {
			return control == control.getDisplay().getFocusControl() ? Boolean.TRUE
					: Boolean.FALSE;
		}
		if (SWTProperties.BOUNDS.equals(attribute)) {
			return control.getBounds();
		}
		
		return null;
	}

	public Object getValueType() {
		return valueType;
	}
	
	private void notifyIfChanged(Object oldValue, Object newValue) {
		if (!Util.equals(oldValue, newValue)) {
			fireValueChange(Diffs.createValueDiff(oldValue, newValue));			
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.custom.CLabel;

/**
 * @since 1.0
 * 
 */
public class CLabelObservableValue extends AbstractSWTObservableValue {

	private final CLabel label;

	/**
	 * @param label
	 */
	public CLabelObservableValue(CLabel label) {
		super(label);
		this.label = label;
	}
	
	/**
	 * @param realm
	 * @param label
	 */
	public CLabelObservableValue(Realm realm, CLabel label) {
		super(realm, label);
		this.label = label;
	}

	public void doSetValue(final Object value) {
		String oldValue = label.getText();
		String newValue = value == null ? "" : value.toString();  //$NON-NLS-1$
		label.setText(newValue);

		if (!newValue.equals(oldValue)) {
			fireValueChange(Diffs.createValueDiff(oldValue, newValue));
		}
	}

	public Object doGetValue() {
		return label.getText();
	}

	public Object getValueType() {
		return String.class;
	}

}

Lines 6-12 Link Here

(-)src/org/eclipse/jface/internal/databinding/swt/SWTObservableValueDecorator.java (-1 / +1 lines)
6	* http://www.eclipse.org/legal/epl-v10.html	6	* http://www.eclipse.org/legal/epl-v10.html
7	*	7	*
8	* Contributors:	8	* Contributors:
9	* Matthew Hall - initial API and implementation (bug 245647)	9	* Matthew Hall - initial API and implementation (bug 194734)
10	******************************************************************************/	10	******************************************************************************/
11		11
12	package org.eclipse.jface.internal.databinding.swt;	12	package org.eclipse.jface.internal.databinding.swt;




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.widgets.Control;

/**
 * @since 1.0
 * 
 */
abstract public class SingleSelectionObservableValue extends
		AbstractSWTObservableValue {

	private boolean updating = false;

	private int currentSelection;

	/**
	 * @param control
	 *            the control
	 */
	public SingleSelectionObservableValue(Control control) {
		super(control);
		init();
	}
	
	/**
	 * @param realm
	 * @param control
	 */
	public SingleSelectionObservableValue(Realm realm, Control control) {
		super(realm, control);
		init();
	}
	
	private void init() {		
		currentSelection = doGetSelectionIndex();
		doAddSelectionListener(new Runnable(){
			public void run() {
				if (!updating) {
					int newSelection = doGetSelectionIndex();
					notifyIfChanged(currentSelection, newSelection);
					currentSelection = newSelection;
				}
			}
		});
	}

	/**
	 * @param runnable
	 */
	protected abstract void doAddSelectionListener(Runnable runnable);

	public void doSetValue(Object value) {
		try {
			updating = true;
			int intValue = ((Integer) value).intValue();
			doSetSelectionIndex(intValue);
			notifyIfChanged(currentSelection, intValue);
			currentSelection = intValue;
		} finally {
			updating = false;
		}
	}

	/**
	 * @param intValue
	 *            the selection index
	 */
	protected abstract void doSetSelectionIndex(int intValue);

	public Object doGetValue() {
		return new Integer(doGetSelectionIndex());
	}

	/**
	 * @return the selection index
	 */
	protected abstract int doGetSelectionIndex();

	public Object getValueType() {
		return Integer.TYPE;
	}

	private void notifyIfChanged(int oldValue, int newValue) {
		if (oldValue != newValue) {
			fireValueChange(Diffs.createValueDiff(new Integer(
					oldValue), new Integer(newValue)));
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *     Ashley Cambrell - bug 198904
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;

/**
 * @since 1.0
 * 
 */
public class ButtonObservableValue extends AbstractSWTObservableValue {

	private final Button button;

	private boolean selectionValue;

	private Listener updateListener = new Listener() {
		public void handleEvent(Event event) {
			boolean oldSelectionValue = selectionValue;
			selectionValue = button.getSelection();
						
			notifyIfChanged(oldSelectionValue, selectionValue);
		}
	};

	/**
	 * @param button
	 */
	public ButtonObservableValue(Button button) {
		super(button);
		this.button = button;
		init();
	}
	
	/**
	 * @param realm
	 * @param button
	 */
	public ButtonObservableValue(Realm realm, Button button) {
		super(realm, button);
		this.button = button;
		init();
	}
	
	private void init() {
		button.addListener(SWT.Selection, updateListener);
		button.addListener(SWT.DefaultSelection, updateListener);
		this.selectionValue = button.getSelection();
	}

	public void doSetValue(final Object value) {
		boolean oldSelectionValue = selectionValue;
		selectionValue = value == null ? false : ((Boolean) value)
				.booleanValue();
		
		button.setSelection(selectionValue);
		notifyIfChanged(oldSelectionValue, selectionValue);
	}

	public Object doGetValue() {
		return button.getSelection() ? Boolean.TRUE : Boolean.FALSE;
	}

	public Object getValueType() {
		return Boolean.TYPE;
	}
	
	/*
	 * (non-Javadoc)
	 *
	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose()
	 */
	public synchronized void dispose() {
		super.dispose();

		if (!button.isDisposed()) {
			button.removeListener(SWT.Selection, updateListener);
			button.removeListener(SWT.DefaultSelection, updateListener);
		}
	}

	/**
	 * Notifies consumers with a value change event only if a change occurred.
	 * 
	 * @param oldValue
	 * @param newValue
	 */
	private void notifyIfChanged(boolean oldValue, boolean newValue) {
		if (oldValue != newValue) {
			fireValueChange(Diffs.createValueDiff(oldValue ? Boolean.TRUE : Boolean.FALSE,
					newValue ? Boolean.TRUE : Boolean.FALSE));
		}		
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *     Ashley Cambrell - bug 198904
 *     Matthew Hall - bug 118516
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.widgets.Combo;

/**
 * @since 3.2
 * 
 */
public class ComboObservableValue extends AbstractSWTObservableValue {

	private final Combo combo;
	private final String attribute;
	private boolean updating = false;
	private String currentValue;
	private ModifyListener modifyListener;

	/**
	 * @param combo
	 * @param attribute
	 */
	public ComboObservableValue(Combo combo, String attribute) {
		super(combo);
		this.combo = combo;
		this.attribute = attribute;
		init();
	}
		
	/**
	 * @param realm
	 * @param combo
	 * @param attribute
	 */
	public ComboObservableValue(Realm realm, Combo combo, String attribute) {
		super(realm, combo);
		this.combo = combo;
		this.attribute = attribute;
		init();
	}
	
	private void init() {		
		if (attribute.equals(SWTProperties.SELECTION)
				|| attribute.equals(SWTProperties.TEXT)) {
			this.currentValue = combo.getText();
			modifyListener = new ModifyListener() {

				public void modifyText(ModifyEvent e) {
					if (!updating) {
						String oldValue = currentValue;
						currentValue = ComboObservableValue.this.combo
								.getText();
						
						notifyIfChanged(oldValue, currentValue);
					}
				}
			};
			combo.addModifyListener(modifyListener);
		} else
			throw new IllegalArgumentException();
	}

	public void doSetValue(final Object value) {
		String oldValue = combo.getText();
		try {
			updating = true;
			if (attribute.equals(SWTProperties.TEXT)) {
				String stringValue = value != null ? value.toString() : ""; //$NON-NLS-1$
				combo.setText(stringValue);
			} else if (attribute.equals(SWTProperties.SELECTION)) {
				String items[] = combo.getItems();
				int index = -1;
				if (items != null && value != null) {
					for (int i = 0; i < items.length; i++) {
						if (value.equals(items[i])) {
							index = i;
							break;
						}
					}
					if (index == -1) {
						combo.setText((String) value);
					} else {
						combo.select(index); // -1 will not "unselect"
					}
				}
			}
		} finally {
			updating = false;
			currentValue = combo.getText();
		}
		
		notifyIfChanged(oldValue, currentValue);
	}

	public Object doGetValue() {
		if (attribute.equals(SWTProperties.TEXT))
			return combo.getText();

		Assert.isTrue(attribute.equals(SWTProperties.SELECTION),
				"unexpected attribute: " + attribute); //$NON-NLS-1$
		// The problem with a ccombo, is that it changes the text and
		// fires before it update its selection index
		return combo.getText();
	}

	public Object getValueType() {
		Assert.isTrue(attribute.equals(SWTProperties.TEXT)
				|| attribute.equals(SWTProperties.SELECTION),
				"unexpected attribute: " + attribute); //$NON-NLS-1$
		return String.class;
	}

	/**
	 * @return attribute being observed
	 */
	public String getAttribute() {
		return attribute;
	}

	/*
	 * (non-Javadoc)
	 *
	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose()
	 */
	public synchronized void dispose() {
		super.dispose();

		if (modifyListener != null && !combo.isDisposed()) {
			combo.removeModifyListener(modifyListener);
		}
	}
	
	private void notifyIfChanged(String oldValue, String newValue) {
		if (!oldValue.equals(newValue)) {
			fireValueChange(Diffs.createValueDiff(oldValue, newValue));
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.widgets.Label;

/**
 * @since 3.3
 * 
 */
public class LabelObservableValue extends AbstractSWTObservableValue {

	private final Label label;

	/**
	 * @param label
	 */
	public LabelObservableValue(Label label) {
		super(label);
		this.label = label;
	}
	
	/**
	 * @param realm
	 * @param label
	 */
	public LabelObservableValue(Realm realm, Label label) {
		super(realm, label);
		this.label = label;
	}

	public void doSetValue(final Object value) {
		String oldValue = label.getText();
		String newValue = value == null ? "" : value.toString(); //$NON-NLS-1$
		label.setText(newValue);
		
		if (!newValue.equals(oldValue)) {
			fireValueChange(Diffs.createValueDiff(oldValue, newValue));
		}
	}

	public Object doGetValue() {
		return label.getText();
	}

	public Object getValueType() {
		return String.class;
	}

}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *     Ashley Cambrell - bugs 198903, 198904
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Combo;

/**
 * @since 1.0
 *
 */
public class ComboSingleSelectionObservableValue extends
		SingleSelectionObservableValue {

	private SelectionListener selectionListener;

	/**
	 * @param combo
	 */
	public ComboSingleSelectionObservableValue(Combo combo) {
		super(combo);
	}

	private Combo getCombo() {
		return (Combo) getWidget();
	}

	protected void doAddSelectionListener(final Runnable runnable) {
		selectionListener = new SelectionListener() {
			public void widgetDefaultSelected(SelectionEvent e) {
				runnable.run();
			}

			public void widgetSelected(SelectionEvent e) {
				runnable.run();
			}
		};
		getCombo().addSelectionListener(selectionListener);
	}

	protected int doGetSelectionIndex() {
		return getCombo().getSelectionIndex();
	}

	protected void doSetSelectionIndex(int index) {
		getCombo().select(index);
	}

	/*
	 * (non-Javadoc)
	 *
	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose()
	 */
	public synchronized void dispose() {
		super.dispose();
		if (selectionListener != null && !getCombo().isDisposed()) {
			getCombo().removeSelectionListener(selectionListener);
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *     Ashley Cambrell - bug 198904
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.List;

/**
 * @since 1.0
 * 
 */
public class ListSingleSelectionObservableValue extends
		SingleSelectionObservableValue {

	private SelectionListener selectionListener;

	/**
	 * @param combo
	 */
	public ListSingleSelectionObservableValue(List combo) {
		super(combo);
	}

	private List getList() {
		return (List) getWidget();
	}

	protected void doAddSelectionListener(final Runnable runnable) {
		selectionListener = new SelectionListener() {
			public void widgetDefaultSelected(SelectionEvent e) {
				runnable.run();
			}

			public void widgetSelected(SelectionEvent e) {
				runnable.run();
			}
		};
		getList().addSelectionListener(selectionListener);
	}

	protected int doGetSelectionIndex() {
		return getList().getSelectionIndex();
	}

	protected void doSetSelectionIndex(int index) {
		getList().setSelection(index);
	}

	/*
	 * (non-Javadoc)
	 *
	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose()
	 */
	public synchronized void dispose() {
		super.dispose();
		if (selectionListener != null && !getList().isDisposed()) {
			getList().removeSelectionListener(selectionListener);
		}
	}
}




 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 206839, 124684, 239302, 245647, 194734
 *******************************************************************************/

package org.eclipse.jface.databinding.viewers;

import org.eclipse.core.databinding.observable.Observables;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.set.IObservableSet;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.internal.databinding.swt.SWTDelayedObservableValueDecorator;
import org.eclipse.jface.internal.databinding.viewers.ViewerObservableListDecorator;
import org.eclipse.jface.internal.databinding.viewers.ViewerObservableSetDecorator;
import org.eclipse.jface.internal.databinding.viewers.SelectionProviderMultipleSelectionObservableList;
import org.eclipse.jface.internal.databinding.viewers.SelectionProviderSingleSelectionObservableValue;
import org.eclipse.jface.internal.databinding.viewers.ViewerFiltersObservableSet;
import org.eclipse.jface.internal.databinding.viewers.ViewerInputObservableValue;
import org.eclipse.jface.internal.databinding.viewers.ViewerMultipleSelectionObservableList;
import org.eclipse.jface.internal.databinding.viewers.ViewerObservableValueDecorator;
import org.eclipse.jface.internal.databinding.viewers.ViewerSingleSelectionObservableValue;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.CheckboxTreeViewer;
import org.eclipse.jface.viewers.ICheckable;

 * @since 1.1
 */
public class ViewersObservables {
	private static Realm getDefaultRealm() {
		return SWTObservables.getRealm(Display.getDefault());
	}

	private static Realm getRealm(Viewer viewer) {
		return SWTObservables.getRealm(viewer.getControl().getDisplay());
	}

	private static void checkNull(Object obj) {
		if (obj == null)
			throw new IllegalArgumentException();
	}

	private static IObservableValue observeProperty(Object source,
			IValueProperty property) {
		checkNull(source);
		if (source instanceof Viewer) {
			return observeViewerProperty((Viewer) source, property);
		}
		return PropertyObservables.observeValue(getDefaultRealm(), source,
				property);
	}

	private static IViewerObservableValue observeViewerProperty(Viewer viewer,
			IValueProperty property) {
		checkNull(viewer);
		return new ViewerObservableValueDecorator(PropertyObservables
				.observeValue(getRealm(viewer), viewer, property), viewer);
	}

	private static IObservableSet observeProperty(Object source,
			ISetProperty property) {
		checkNull(source);
		if (source instanceof Viewer) {
			return observeViewerProperty((Viewer) source, property);
		}
		return PropertyObservables.observeSet(getDefaultRealm(), source,
				property);
	}

	private static IViewerObservableSet observeViewerProperty(Viewer viewer,
			ISetProperty property) {
		checkNull(viewer);
		return new ViewerObservableSetDecorator(PropertyObservables.observeSet(
				getRealm(viewer), viewer, property), viewer);
	}

	private static IObservableList observeProperty(Object source,
			IListProperty property) {
		checkNull(source);
		if (source instanceof Viewer) {
			return observeViewerProperty((Viewer) source, property);
		}
		Realm realm = getDefaultRealm();
		return PropertyObservables.observeList(realm, source, property);
	}

	private static IViewerObservableList observeViewerProperty(Viewer viewer,
			IListProperty property) {
		checkNull(viewer);
		Realm realm = getRealm(viewer);
		return new ViewerObservableListDecorator(PropertyObservables
				.observeList(realm, viewer, property), viewer);
	}

	/**
	 * Returns an observable which delays notification of value change events
	 * from <code>observable</code> until <code>delay</code> milliseconds have

	 */
	public static IObservableValue observeSingleSelection(
			ISelectionProvider selectionProvider) {
		return observeProperty(selectionProvider, SelectionProviderProperties
				.singleSelection());
		}
		return new SelectionProviderSingleSelectionObservableValue(
				SWTObservables.getRealm(Display.getDefault()),
				selectionProvider);
	}

	/**

	 */
	public static IObservableList observeMultiSelection(
			ISelectionProvider selectionProvider) {
		return observeProperty(selectionProvider, SelectionProviderProperties
				.multipleSelection());
		}
		return new SelectionProviderMultipleSelectionObservableList(
				SWTObservables.getRealm(Display.getDefault()),
				selectionProvider, Object.class);
	}

	/**

	 * @since 1.2
	 */
	public static IViewerObservableValue observeSingleSelection(Viewer viewer) {
		return observeViewerProperty(viewer, SelectionProviderProperties
				.singleSelection());
				viewer);
	}
	
	/**

	 * 
	 * @since 1.2
	 */
	public static IViewerObservableList observeMultiSelection(Viewer viewer) {
		return observeViewerProperty(viewer, SelectionProviderProperties
				.multipleSelection());
				SWTObservables.getRealm(Display.getDefault()),
				viewer, Object.class);
	}
	
	/**

	 * @since 1.2
	 */
	public static IObservableValue observeInput(Viewer viewer) {
		return observeViewerProperty(viewer, ViewerProperties.input());
				.getControl().getDisplay()), viewer);
	}

	/**

			return observeCheckedElements((CheckboxTreeViewer) checkable,
					elementType);
		}
		return observeProperty(checkable, CheckableProperties
				.checkedElements(elementType));
	}

	/**

	 */
	public static IViewerObservableSet observeCheckedElements(
			CheckboxTableViewer viewer, Object elementType) {
		return observeViewerProperty(viewer, CheckboxTableViewerProperties
				.checkedElements(elementType));
				elementType);
	}

	/**

	 */
	public static IViewerObservableSet observeCheckedElements(
			CheckboxTreeViewer viewer, Object elementType) {
		return observeViewerProperty(viewer, CheckboxTreeViewerProperties
				.checkedElements(elementType));
				elementType);
	}

	/**

	 * @since 1.3
	 */
	public static IViewerObservableSet observeFilters(StructuredViewer viewer) {
		return observeViewerProperty(viewer, StructuredViewerProperties
				.filters());
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Michael Krauter, Catuno GmbH and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Michael Krauter, Catuno GmbH - initial API and implementation (bug 180223)
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.internal.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
import org.eclipse.swt.widgets.Link;

/**
 * @since 1.2
 * 
 */
public class LinkObservableValue extends AbstractSWTObservableValue {

	private final Link link;

	/**
	 * @param link
	 */
	public LinkObservableValue(Link link) {
		super(link);
		this.link = link;
	}

	public void doSetValue(final Object value) {
		String oldValue = link.getText();
		link.setText(value == null ? "" : value.toString()); //$NON-NLS-1$
		fireValueChange(Diffs.createValueDiff(oldValue, link.getText()));
	}

	public Object doGetValue() {
		return link.getText();
	}

	public Object getValueType() {
		return String.class;
	}

}




/*******************************************************************************
 * Copyright (c) 2007 Peter Centgraf and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Peter Centgraf - initial API and implementation, bug 124683
 *     Boris Bokowski, IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jface.internal.databinding.viewers;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.list.ListDiff;
import org.eclipse.core.databinding.observable.list.WritableList;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;

/**
 * Observes multiple-selection of an {@link ISelectionProvider}.
 * 
 * @since 1.2
 */
public class SelectionProviderMultipleSelectionObservableList extends
		WritableList {

	protected ISelectionProvider selectionProvider;
	protected boolean handlingSelection;
	protected boolean updating;
	protected SelectionListener selectionListener = new SelectionListener();

	class SelectionListener implements ISelectionChangedListener {
		public void selectionChanged(SelectionChangedEvent event) {
			if (updating) {
				return;
			}
			handlingSelection = true;
			try {
				updateWrappedList(new ArrayList(getSelectionList(event.getSelection())));
			} finally {
				handlingSelection = false;
			}
		}
	}

	/**
	 * Create a new observable list based on the current selection of the given
	 * selection provider. Assumes that the selection provider provides
	 * structured selections.
	 * 
	 * @param realm
	 * @param selectionProvider
	 * @param elementType
	 */
	public SelectionProviderMultipleSelectionObservableList(Realm realm,
			ISelectionProvider selectionProvider, Object elementType) {
		super(realm, new ArrayList(getSelectionList(selectionProvider)), elementType);
		this.selectionProvider = selectionProvider;
		selectionProvider.addSelectionChangedListener(selectionListener);
	}

	protected void fireListChange(ListDiff diff) {
		if (handlingSelection) {
			super.fireListChange(diff);
		} else {
			// this is a bit of a hack - we are changing the diff to match the order
			// of elements returned by the selection provider after we've set the
			// selection.
			updating = true;
			try {
				List oldList = getSelectionList(selectionProvider);
				selectionProvider
						.setSelection(new StructuredSelection(wrappedList));
				wrappedList = new ArrayList(getSelectionList(selectionProvider));
				super.fireListChange(Diffs.computeListDiff(oldList, wrappedList));
			} finally {
				updating = false;
			}
		}
	}

	protected static List getSelectionList(ISelectionProvider selectionProvider) {
		if (selectionProvider == null) {
			throw new IllegalArgumentException();
		}
		return getSelectionList(selectionProvider.getSelection());
	}

	protected static List getSelectionList(ISelection sel) {
		if (sel instanceof IStructuredSelection) {
			return ((IStructuredSelection) sel).toList();
		}
		return Collections.EMPTY_LIST;
	}

	public synchronized void dispose() {
		selectionProvider.removeSelectionChangedListener(selectionListener);
		selectionProvider = null;
		super.dispose();
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 137877
 *     Brad Reynolds - bug 164653
 *     Brad Reynolds - bug 147515
 *     Ashley Cambrell - bug 198906
 *******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.databinding.viewers.IViewerObservableList;
import org.eclipse.jface.viewers.Viewer;

/**
 * Observes single selection of a <code>Viewer</code>.
 * 
 * @since 1.2
 */
public class ViewerMultipleSelectionObservableList extends
		SelectionProviderMultipleSelectionObservableList implements
		IViewerObservableList {

	private Viewer viewer;

	/**
	 * @param realm
	 * @param viewer
	 * @param elementType
	 */
	public ViewerMultipleSelectionObservableList(Realm realm, Viewer viewer,
			Object elementType) {
		super(realm, viewer, elementType);
		this.viewer = viewer;
	}

	public Viewer getViewer() {
		return viewer;
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 124684)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import java.util.Arrays;
import java.util.Set;

import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.databinding.viewers.IViewerObservableSet;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.CheckboxTreeViewer;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.Viewer;

/**
 * An observable set that tracks the checked elements in a CheckboxTableViewer
 * or CheckboxTreeViewer
 * 
 * @since 1.2
 */
public class CheckboxViewerCheckedElementsObservableSet extends
		CheckableCheckedElementsObservableSet implements IViewerObservableSet {
	private StructuredViewer viewer;

	/**
	 * Constructs a new instance on the given realm and checkable.
	 * 
	 * @param realm
	 *            the observable's realm
	 * @param viewer
	 *            the CheckboxTableViewer viewer to track.
	 * @param elementType
	 *            type of elements in the set
	 */
	public CheckboxViewerCheckedElementsObservableSet(Realm realm,
			CheckboxTableViewer viewer, Object elementType) {
		super(realm, viewer, elementType, createElementSet(viewer));
		this.viewer = viewer;
	}

	/**
	 * Constructs a new instance on the given realm and checkable.
	 * 
	 * @param realm
	 *            the observable's realm
	 * @param viewer
	 *            the CheckboxTreeViewer viewer to track.
	 * @param elementType
	 *            type of elements in the set
	 */
	public CheckboxViewerCheckedElementsObservableSet(Realm realm,
			CheckboxTreeViewer viewer, Object elementType) {
		super(realm, viewer, elementType, createElementSet(viewer));
		this.viewer = viewer;
	}

	Set createDiffSet() {
		return ViewerElementSet.withComparer(viewer.getComparer());
	}

	private static Set createElementSet(CheckboxTableViewer viewer) {
		Set set = ViewerElementSet.withComparer(viewer.getComparer());
		set.addAll(Arrays.asList(viewer.getCheckedElements()));
		return set;
	}

	private static Set createElementSet(CheckboxTreeViewer viewer) {
		Set set = ViewerElementSet.withComparer(viewer.getComparer());
		set.addAll(Arrays.asList(viewer.getCheckedElements()));
		return set;
	}

	public Viewer getViewer() {
		return viewer;
	}

	public synchronized void dispose() {
		viewer = null;
		super.dispose();
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 239302)
 *******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.set.ObservableSet;
import org.eclipse.jface.databinding.viewers.IViewerObservableSet;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;

/**
 * An observable set that tracks the filters of the given viewer. Note that this
 * set will not track changes that are made using direct API on StructuredViewer
 * (by calling
 * {@link StructuredViewer#addFilter(org.eclipse.jface.viewers.ViewerFilter)
 * addFilter()},
 * {@link StructuredViewer#removeFilter(org.eclipse.jface.viewers.ViewerFilter)
 * removeFilter()}, or
 * {@link StructuredViewer#setFilters(org.eclipse.jface.viewers.ViewerFilter[])
 * setFilters()}) -- it is assumed that filters are only changed through the
 * set.
 * 
 * @since 1.2
 */
public class ViewerFiltersObservableSet extends ObservableSet implements
		IViewerObservableSet {

	private StructuredViewer viewer;

	/**
	 * @param realm
	 * @param viewer
	 */
	public ViewerFiltersObservableSet(Realm realm, StructuredViewer viewer) {
		super(realm, new HashSet(Arrays.asList(viewer.getFilters())),
				ViewerFilter.class);
		this.viewer = viewer;
	}

	public Viewer getViewer() {
		return viewer;
	}

	private void replaceFilters() {
		viewer.getControl().setRedraw(false);
		try {
			viewer.setFilters((ViewerFilter[]) wrappedSet
					.toArray(new ViewerFilter[wrappedSet.size()]));
		} finally {
			viewer.getControl().setRedraw(true);
		}
	}

	private void addFilter(ViewerFilter filter) {
		viewer.getControl().setRedraw(false);
		try {
			viewer.addFilter(filter);
		} finally {
			viewer.getControl().setRedraw(true);
		}
	}

	private void removeFilter(ViewerFilter filter) {
		viewer.getControl().setRedraw(false);
		try {
			viewer.removeFilter(filter);
		} finally {
			viewer.getControl().setRedraw(true);
		}
	}

	public boolean add(Object element) {
		checkRealm();
		boolean added = wrappedSet.add(element);
		if (added) {
			addFilter((ViewerFilter) element);
			fireSetChange(Diffs.createSetDiff(Collections.singleton(element),
					Collections.EMPTY_SET));
		}
		return added;
	}

	public boolean addAll(Collection c) {
		getterCalled();
		Set additions = new HashSet();
		Iterator it = c.iterator();
		while (it.hasNext()) {
			Object element = it.next();
			if (wrappedSet.add(element)) {
				additions.add(element);
			}
		}
		if (additions.size() > 0) {
			replaceFilters();
			fireSetChange(Diffs.createSetDiff(additions, Collections.EMPTY_SET));
			return true;
		}
		return false;
	}

	public void clear() {
		getterCalled();
		Set removes = new HashSet(wrappedSet);
		wrappedSet.clear();
		replaceFilters();
		fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET, removes));
	}

	public boolean remove(Object o) {
		getterCalled();
		boolean removed = wrappedSet.remove(o);
		if (removed) {
			removeFilter((ViewerFilter) o);
			fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET,
					Collections.singleton(o)));
		}
		return removed;
	}

	public boolean removeAll(Collection c) {
		getterCalled();
		Set removes = new HashSet();
		Iterator it = c.iterator();
		while (it.hasNext()) {
			Object element = it.next();
			if (wrappedSet.remove(element)) {
				removes.add(element);
			}
		}
		if (removes.size() > 0) {
			replaceFilters();
			fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET, removes));
			return true;
		}
		return false;
	}

	public boolean retainAll(Collection c) {
		getterCalled();
		Set removes = new HashSet();
		Iterator it = wrappedSet.iterator();
		while (it.hasNext()) {
			Object element = it.next();
			if (!c.contains(element)) {
				it.remove();
				removes.add(element);
			}
		}
		if (removes.size() > 0) {
			replaceFilters();
			fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET, removes));
			return true;
		}
		return false;
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 137877
 *     Brad Reynolds - bug 164653
 *     Brad Reynolds - bug 147515
 *     Ashley Cambrell - bug 198906
 *******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.databinding.viewers.IViewerObservableValue;
import org.eclipse.jface.viewers.Viewer;

/**
 * Observes single selection of a <code>Viewer</code>.
 * 
 * @since 1.2
 */
public class ViewerSingleSelectionObservableValue extends
		SelectionProviderSingleSelectionObservableValue implements
		IViewerObservableValue {

	private Viewer viewer;

	/**
	 * @param realm
	 * @param viewer
	 */
	public ViewerSingleSelectionObservableValue(Realm realm, Viewer viewer) {
		super(realm, viewer);
		this.viewer = viewer;
	}

	public Viewer getViewer() {
		return viewer;
	}
}




/*******************************************************************************
 * Copyright (c) 2007 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 206839)
 *******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.AbstractObservableValue;
import org.eclipse.jface.util.Util;
import org.eclipse.jface.viewers.Viewer;

/**
 * Observes the input of a <code>Viewer</code>.
 * <p>
 * This observer is blind to changes in the viewer's input unless its
 * {@link #setValue(Object)} method is called directly.
 * 
 * @since 1.2
 */
public class ViewerInputObservableValue extends AbstractObservableValue {

  private final Viewer viewer;

  /**
   * Constructs a new instance associated with the provided <code>viewer</code>.
   * 
   * @param realm
   * @param viewer
   */
  public ViewerInputObservableValue( Realm realm, Viewer viewer ) {
    super( realm );
    if ( viewer == null ) {
      throw new IllegalArgumentException( "The 'viewer' parameter is null." ); //$NON-NLS-1$
    }

    this.viewer = viewer;
  }

  /**
   * Sets the input to the provided <code>value</code>. Value change events are
   * fired after input is set in the viewer.
   * 
   * @param value object to set as input
   */
  protected void doSetValue( final Object value ) {
    Object oldValue = doGetValue();
    viewer.setInput( value );
    if ( !Util.equals( oldValue, value ) ) {
      fireValueChange( Diffs.createValueDiff( oldValue, value ) );
    }
  }

  /**
   * Retrieves the current input.
   * 
   * @return the current input
   */
  protected Object doGetValue() {
    return viewer.getInput();
  }

  public Object getValueType() {
    return null;
  }
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 137877
 *     Brad Reynolds - bug 164653
 *     Brad Reynolds - bug 147515
 *     Ashley Cambrell - bug 198906
 *******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.AbstractObservableValue;
import org.eclipse.jface.util.Util;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;

/**
 * Observes single selection of an <code>ISelectionProvider</code>.
 *
 * @since 1.1
 */
public class SelectionProviderSingleSelectionObservableValue extends
		AbstractObservableValue {

	private final ISelectionProvider selectionProvider;

	private boolean updating = false;

	private Object currentSelection;

	private ISelectionChangedListener selectionChangedListener;

	/**
	 * Constructs a new instance associated with the provided
	 * <code>selectionProvider</code>. In order to initialize itself properly
	 * the constructor invokes {@link #doGetValue()}. This could be dangerous
	 * for subclasses, see {@link #doGetValue()} for an explanation.
	 *
	 * @param realm
	 *
	 * @param selectionProvider
	 * @see #doGetValue()
	 */
	public SelectionProviderSingleSelectionObservableValue(Realm realm,
			ISelectionProvider selectionProvider) {
		super(realm);
		if (selectionProvider == null) {
			throw new IllegalArgumentException(
					"The 'selectionProvider' parameter is null."); //$NON-NLS-1$
		}

		this.selectionProvider = selectionProvider;
		this.currentSelection = doGetValue();

		selectionChangedListener = new ISelectionChangedListener() {
			public void selectionChanged(SelectionChangedEvent event) {
				if (!updating) {
					Object oldSelection = currentSelection;
					currentSelection = doGetValue();
					fireValueChange(Diffs.createValueDiff(oldSelection,
							currentSelection));
				}
			}
		};
		selectionProvider.addSelectionChangedListener(selectionChangedListener);
	}

	/**
	 * Sets the selection to the provided <code>value</code>. Value change
	 * events are fired after selection is set in the selection provider.
	 *
	 * @param value
	 *            object to set as selected, <code>null</code> if wanting to
	 *            remove selection
	 */
	public void doSetValue(final Object value) {
		try {
			updating = true;

			Object oldSelection = currentSelection;
			selectionProvider
					.setSelection(value == null ? StructuredSelection.EMPTY
							: new StructuredSelection(value));
			currentSelection = doGetValue();
			if (!Util.equals(oldSelection, currentSelection)) {
				fireValueChange(Diffs.createValueDiff(oldSelection,
						currentSelection));
			}
		} finally {
			updating = false;
		}
	}

	/**
	 * Retrieves the current selection.
	 * <p>
	 * If a subclass overrides this method it must not depend upon the subclass
	 * to have been fully initialized before this method is invoked.
	 * <code>doGetValue()</code> is invoked by the
	 * {@link #SelectionProviderSingleSelectionObservableValue(Realm, ISelectionProvider) constructor}
	 * which means the subclass's constructor will not have fully executed
	 * before this method is invoked.
	 * </p>
	 *
	 * @return selection will be an instance of
	 *         <code>IStructuredSelection</code> if a selection exists,
	 *         <code>null</code> if no selection
	 * @see #SelectionProviderSingleSelectionObservableValue(Realm,
	 *      ISelectionProvider)
	 */
	protected Object doGetValue() {
		ISelection selection = selectionProvider.getSelection();
		if (selection instanceof IStructuredSelection) {
			IStructuredSelection sel = (IStructuredSelection) selection;
			return sel.getFirstElement();
		}

		return null;
	}

	public Object getValueType() {
		return null;
	}

	/*
	 * (non-Javadoc)
	 *
	 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose()
	 */
	public synchronized void dispose() {
		selectionProvider
				.removeSelectionChangedListener(selectionChangedListener);
		super.dispose();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 124684)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.set.AbstractObservableSet;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.ICheckable;

/**
 * 
 * @since 1.2
 */
public class CheckableCheckedElementsObservableSet extends
		AbstractObservableSet {
	private ICheckable checkable;
	private Set wrappedSet;
	private Object elementType;
	private ICheckStateListener listener;

	/**
	 * Constructs a new instance on the given realm and checkable.
	 * 
	 * @param realm
	 *            the observable's realm
	 * @param checkable
	 *            the ICheckable to track
	 * @param elementType
	 *            type of elements in the set
	 */
	public CheckableCheckedElementsObservableSet(Realm realm,
			ICheckable checkable, Object elementType) {
		this(realm, checkable, elementType, new HashSet());
	}

	/**
	 * Constructs a new instance of the given realm, and checkable,
	 * 
	 * @param realm
	 *            the observable's realm
	 * @param checkable
	 *            the ICheckable to track
	 * @param elementType
	 *            type of elements in the set
	 * @param wrappedSet
	 *            the set being wrapped
	 */
	public CheckableCheckedElementsObservableSet(Realm realm,
			ICheckable checkable, Object elementType, final Set wrappedSet) {
		super(realm);
		Assert.isNotNull(checkable, "Checkable cannot be null"); //$NON-NLS-1$
		Assert.isNotNull(wrappedSet, "Wrapped set cannot be null"); //$NON-NLS-1$
		this.checkable = checkable;
		this.wrappedSet = wrappedSet;
		this.elementType = elementType;

		listener = new ICheckStateListener() {
			public void checkStateChanged(CheckStateChangedEvent event) {
				Object element = event.getElement();
				if (event.getChecked()) {
					if (wrappedSet.add(element))
						fireSetChange(Diffs.createSetDiff(Collections
								.singleton(element), Collections.EMPTY_SET));
				} else {
					if (wrappedSet.remove(element))
						fireSetChange(Diffs.createSetDiff(
								Collections.EMPTY_SET, Collections
										.singleton(element)));
				}
			}
		};
		checkable.addCheckStateListener(listener);
	}

	protected Set getWrappedSet() {
		return wrappedSet;
	}

	Set createDiffSet() {
		return new HashSet();
	}

	public Object getElementType() {
		return elementType;
	}

	public boolean add(Object o) {
		getterCalled();
		boolean added = wrappedSet.add(o);
		if (added) {
			checkable.setChecked(o, true);
			fireSetChange(Diffs.createSetDiff(Collections.singleton(o),
					Collections.EMPTY_SET));
		}
		return added;
	}

	public boolean remove(Object o) {
		getterCalled();
		boolean removed = wrappedSet.remove(o);
		if (removed) {
			checkable.setChecked(o, false);
			fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET,
					Collections.singleton(o)));
		}
		return removed;
	}

	public boolean addAll(Collection c) {
		getterCalled();
		Set additions = createDiffSet();
		for (Iterator iterator = c.iterator(); iterator.hasNext();) {
			Object element = iterator.next();
			if (wrappedSet.add(element)) {
				checkable.setChecked(element, true);
				additions.add(element);
			}
		}
		boolean changed = !additions.isEmpty();
		if (changed)
			fireSetChange(Diffs.createSetDiff(additions, Collections.EMPTY_SET));
		return changed;
	}

	public boolean removeAll(Collection c) {
		getterCalled();
		Set removals = createDiffSet();
		for (Iterator iterator = c.iterator(); iterator.hasNext();) {
			Object element = iterator.next();
			if (wrappedSet.remove(element)) {
				checkable.setChecked(element, false);
				removals.add(element);
			}
		}
		boolean changed = !removals.isEmpty();
		if (changed)
			fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET, removals));
		return changed;
	}

	public boolean retainAll(Collection c) {
		getterCalled();

		// To ensure that elements are compared correctly, e.g. ViewerElementSet
		Set toRetain = createDiffSet();
		toRetain.addAll(c);

		Set removals = createDiffSet();
		for (Iterator iterator = wrappedSet.iterator(); iterator.hasNext();) {
			Object element = iterator.next();
			if (!toRetain.contains(element)) {
				iterator.remove();
				checkable.setChecked(element, false);
				removals.add(element);
			}
		}
		boolean changed = !removals.isEmpty();
		if (changed)
			fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET, removals));
		return changed;
	}

	public void clear() {
		removeAll(wrappedSet);
	}

	public Iterator iterator() {
		getterCalled();
		final Iterator wrappedIterator = wrappedSet.iterator();
		return new Iterator() {
			private Object last = null;

			public boolean hasNext() {
				getterCalled();
				return wrappedIterator.hasNext();
			}

			public Object next() {
				getterCalled();
				return last = wrappedIterator.next();
			}

			public void remove() {
				getterCalled();
				wrappedIterator.remove();
				checkable.setChecked(last, false);
				fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET,
						Collections.singleton(last)));
			}
		};
	}

	public synchronized void dispose() {
		if (checkable != null) {
			checkable.removeCheckStateListener(listener);
			checkable = null;
			listener = null;
		}
		super.dispose();
	}
}




/*******************************************************************************
 * Copyright (c) 2006 The Pampered Chef, Inc. and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     The Pampered Chef, Inc. - initial API and implementation
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.provisional.swt;

import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.AbstractObservableValue;
import org.eclipse.jface.databinding.swt.ISWTObservableValue;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.widgets.Widget;

/**
 * NON-API - An abstract superclass for observable values that gurantees that the 
 * observable will be disposed when the control to which it is attached is
 * disposed.
 * 
 * @since 1.1
 */
public abstract class AbstractSWTObservableValue extends AbstractObservableValue implements ISWTObservableValue {

	private final Widget widget;

	/**
	 * Standard constructor for an SWT ObservableValue.  Makes sure that
	 * the observable gets disposed when the SWT widget is disposed.
	 * 
	 * @param widget
	 */
	protected AbstractSWTObservableValue(Widget widget) {
		this(SWTObservables.getRealm(widget.getDisplay()), widget);
	}
	
	/**
	 * Constructor that allows for the setting of the realm. Makes sure that the
	 * observable gets disposed when the SWT widget is disposed.
	 * 
	 * @param realm
	 * @param widget
	 * @since 1.2
	 */
	protected AbstractSWTObservableValue(Realm realm, Widget widget) {
		super(realm);
		this.widget = widget;
		widget.addDisposeListener(disposeListener);
	}
	
	private DisposeListener disposeListener = new DisposeListener() {
		public void widgetDisposed(DisposeEvent e) {
			AbstractSWTObservableValue.this.dispose();
		}
	};

	/**
	 * @return Returns the widget.
	 */
	public Widget getWidget() {
		return widget;
	}
}




/*******************************************************************************
 * Copyright (c) 2006 The Pampered Chef, Inc. and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     The Pampered Chef, Inc. - initial API and implementation
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.provisional.swt;

import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.AbstractVetoableValue;
import org.eclipse.jface.databinding.swt.ISWTObservableValue;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.widgets.Widget;

/**
 * NON-API - An abstract superclass for vetoable values that gurantees that the 
 * observable will be disposed when the control to which it is attached is
 * disposed.
 * 
 * @since 1.1
 */
public abstract class AbstractSWTVetoableValue extends AbstractVetoableValue implements ISWTObservableValue {

	private final Widget widget;

	/**
	 * Standard constructor for an SWT VetoableValue.  Makes sure that
	 * the observable gets disposed when the SWT widget is disposed.
	 * 
	 * @param widget
	 */
	protected AbstractSWTVetoableValue(Widget widget) {
		this(SWTObservables.getRealm(widget.getDisplay()), widget);
	}
	
	/**
	 * Constructs a new instance for the provided <code>realm</code> and <code>widget</code>.
	 * 
	 * @param realm
	 * @param widget
	 * @since 1.2
	 */
	protected AbstractSWTVetoableValue(Realm realm, Widget widget) {
		super(realm);
		this.widget = widget;
		if (widget == null) {
			throw new IllegalArgumentException("The widget parameter is null."); //$NON-NLS-1$
		}
		widget.addDisposeListener(disposeListener);
	}
	
	private DisposeListener disposeListener = new DisposeListener() {
		public void widgetDisposed(DisposeEvent e) {
			AbstractSWTVetoableValue.this.dispose();
		}
	};

	/**
	 * @return Returns the widget.
	 */
	public Widget getWidget() {
		return widget;
	}
}




 *     IBM Corporation - initial API and implementation
 *     Matt Carter - bug 170668
 *     Brad Reynolds - bug 170848
 *     Matthew Hall - bugs 180746, 207844, 245647, 248621, 232917, 194734
 *     Michael Krauter - bug 180223
 *     Boris Bokowski - bug 245647
 *     Tom Schindl - bug 246462
 *******************************************************************************/
package org.eclipse.jface.databinding.swt;


import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.observable.value.IVetoableValue;
import org.eclipse.core.databinding.observable.value.ValueChangingEvent;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.CComboObservableValue;
import org.eclipse.jface.internal.databinding.swt.CComboSingleSelectionObservableValue;
import org.eclipse.jface.internal.databinding.swt.CLabelObservableValue;
import org.eclipse.jface.internal.databinding.swt.ComboObservableList;
import org.eclipse.jface.internal.databinding.swt.ComboObservableValue;
import org.eclipse.jface.internal.databinding.swt.ComboSingleSelectionObservableValue;
import org.eclipse.jface.internal.databinding.swt.ControlObservableValue;
import org.eclipse.jface.internal.databinding.swt.ItemObservableValue;
import org.eclipse.jface.internal.databinding.swt.ItemTooltipObservableValue;
import org.eclipse.jface.internal.databinding.swt.LabelObservableValue;
import org.eclipse.jface.internal.databinding.swt.ListObservableList;
import org.eclipse.jface.internal.databinding.swt.ListObservableValue;
import org.eclipse.jface.internal.databinding.swt.ListSingleSelectionObservableValue;
import org.eclipse.jface.internal.databinding.swt.SWTDelayedObservableValueDecorator;
import org.eclipse.jface.internal.databinding.swt.SWTObservableListDecorator;
import org.eclipse.jface.internal.databinding.swt.SWTObservableValueDecorator;
import org.eclipse.jface.internal.databinding.swt.SWTVetoableValueDecorator;
import org.eclipse.jface.internal.databinding.swt.SpinnerObservableValue;
import org.eclipse.jface.internal.databinding.swt.TableSingleSelectionObservableValue;
import org.eclipse.jface.internal.databinding.swt.TextEditableObservableValue;
import org.eclipse.jface.internal.databinding.swt.TextObservableValue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Control;

				.observeDelayedValue(delay, observable), observable.getWidget());
	}

	private static ISWTObservableValue observeWidgetProperty(Widget widget,
			IValueProperty property) {
		return new SWTObservableValueDecorator(PropertyObservables
				.observeValue(getRealm(widget.getDisplay()), widget, property),
				widget);
	}

	/**
	 * Returns an observable value tracking the enabled state of the given
	 * control
	 * 
	 * @param control
	 *            the control to observe
	 * @return an observable value tracking the enabled state of the given
	 *         control
	 */
	public static ISWTObservableValue observeEnabled(Control control) {
		return observeWidgetProperty(control, ControlProperties.enabled());
	}

	/**
	 * Returns an observable value tracking the visible state of the given
	 * control
	 * 
	 * @param control
	 *            the control to observe
	 * @return an observable value tracking the visible state of the given
	 *         control
	 */
	public static ISWTObservableValue observeVisible(Control control) {
		return observeWidgetProperty(control, ControlProperties.visible());
	}

	/**

	 */
	public static ISWTObservableValue observeTooltipText(Widget widget) {
		if (widget instanceof Control) {
			return observeTooltipText((Control) widget);
		} else if (widget instanceof CTabItem
				|| widget instanceof TabItem
				|| widget instanceof TableColumn
				|| widget instanceof ToolItem
				|| widget instanceof TrayItem
				|| widget instanceof TreeColumn) {
			return new ItemTooltipObservableValue((Item) widget);
		}

		IValueProperty property;
		if (widget instanceof CTabItem) {
			property = CTabItemProperties.tooltipText();
		} else if (widget instanceof TabItem) {
			property = TabItemProperties.tooltipText();
		} else if (widget instanceof TableColumn) {
			property = TableColumnProperties.tooltipText();
		} else if (widget instanceof ToolItem) {
			property = ToolItemProperties.tooltipText();
		} else if (widget instanceof TrayItem) {
			property = TrayItemProperties.tooltipText();
		} else if (widget instanceof TreeColumn) {
			property = TreeColumnProperties.tooltipText();
		} else {
			throw new IllegalArgumentException(
					"Item [" + widget.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
		}

		return observeWidgetProperty(widget, property);
	}

	/**
	 * Returns an observable value tracking the tooltip text of the given
	 * control
	 * 
	 * @param control
	 *            the control to observe
	 * @return an observable value tracking the tooltip text of the given
	 *         control
	 */
	public static ISWTObservableValue observeTooltipText(Control control) {
		return observeWidgetProperty(control, ControlProperties.toolTipText());
	}

	/**

	 *             if <code>control</code> type is unsupported
	 */
	public static ISWTObservableValue observeSelection(Control control) {
		IValueProperty property;
		if (control instanceof Spinner) {
			property = SpinnerProperties.selection();
					SWTProperties.SELECTION);
		} else if (control instanceof Button) {
			property = ButtonProperties.selection();
		} else if (control instanceof Combo) {
			property = ComboProperties.selection();
					SWTProperties.SELECTION);
		} else if (control instanceof CCombo) {
			property = CComboProperties.selection();
					SWTProperties.SELECTION);
		} else if (control instanceof List) {
			property = ListProperties.selection();
		} else if (control instanceof Scale) {
			property = ScaleProperties.selection();
		} else {
			throw new IllegalArgumentException(
					"Widget [" + control.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
		}

		return observeWidgetProperty(control, property);
				"Widget [" + control.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
	}

	/**

	 *             if <code>control</code> type is unsupported
	 */
	public static ISWTObservableValue observeMin(Control control) {
		IValueProperty property;
		if (control instanceof Spinner) {
			property = SpinnerProperties.minimum();
					SWTProperties.MIN);
		} else if (control instanceof Scale) {
			property = ScaleProperties.minimum();
		} else {
			throw new IllegalArgumentException(
					"Widget [" + control.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
		}

		return observeWidgetProperty(control, property);
				"Widget [" + control.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
	}

	/**

	 *             if <code>control</code> type is unsupported
	 */
	public static ISWTObservableValue observeMax(Control control) {
		IValueProperty property;
		if (control instanceof Spinner) {
			property = SpinnerProperties.maximum();
					SWTProperties.MAX);
		} else if (control instanceof Scale) {
			property = ScaleProperties.maximum();
		} else {
			throw new IllegalArgumentException(
					"Widget [" + control.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
		}

		return observeWidgetProperty(control, property);
				"Widget [" + control.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
	}

	/**

	 * <code>control</code>. The supported types are:
	 * <ul>
	 * <li>org.eclipse.swt.widgets.Text</li>
	 * <li>org.eclipse.swt.custom.StyledText (as of 1.3)</li>
	 * </ul>
	 * 
	 * @param control

	 *             if <code>control</code> type is unsupported
	 */
	public static ISWTObservableValue observeText(Control control, int event) {
		IValueProperty property;
		if (control instanceof Text) {
			property = TextProperties.text(event);
		} else if (control instanceof StyledText) {
			property = StyledTextProperties.text(event);
		} else {
			throw new IllegalArgumentException(
					"Widget [" + control.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
		}

		return new SWTVetoableValueDecorator(PropertyObservables.observeValue(
				control, property), control);
	}

	/**

	 * @since 1.3
	 */
	public static ISWTObservableValue observeText(Widget widget) {
		if (widget instanceof Control) {
			return observeText((Control) widget);
		} else if (widget instanceof Link) {
			return new LinkObservableValue((Link) widget);
		} else if (widget instanceof CLabel) {
			return new CLabelObservableValue((CLabel) widget);
		} else if (widget instanceof Combo) {
			return new ComboObservableValue((Combo) widget, SWTProperties.TEXT);
		} else if (widget instanceof CCombo) {
			return new CComboObservableValue((CCombo) widget,
					SWTProperties.TEXT);
		} else if (widget instanceof Shell) {
			return new ShellObservableValue((Shell) widget);
		} else if (widget instanceof Text) {
			return new TextObservableValue((Text) widget, SWT.None);
		} else if (widget instanceof Item) {
			return observeWidgetProperty(widget, ItemProperties.text());
		}

		throw new IllegalArgumentException(

	 * <li>org.eclipse.swt.custom.CCombo</li>
	 * <li>org.eclipse.swt.widgets.Shell</li>
	 * <li>org.eclipse.swt.widgets.Text (as of 1.3)</li>
	 * <li>org.eclipse.swt.custom.StyledText (as of 1.3)</li>
	 * </ul>
	 * 
	 * @param control

	 *             if <code>control</code> type is unsupported
	 */
	public static ISWTObservableValue observeText(Control control) {
		if (control instanceof Text || control instanceof StyledText) {
			return observeText(control, SWT.None);
		}

		IValueProperty property;
		if (control instanceof Label) {
			property = LabelProperties.text();
		} else if (control instanceof Link) {
			property = LinkProperties.text();
		} else if (control instanceof CLabel) {
			property = CLabelProperties.text();
		} else if (control instanceof Combo) {
			property = ComboProperties.text();
		} else if (control instanceof CCombo) {
			property = CComboProperties.text();
		} else if (control instanceof Shell) {
			property = ShellProperties.text();
		} else {
			throw new IllegalArgumentException(
					"Widget [" + control.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
		}

		return observeWidgetProperty(control, property);
	}

	/**

	 *             if <code>control</code> type is unsupported
	 */
	public static IObservableList observeItems(Control control) {
		IListProperty property;
		if (control instanceof Combo) {
			property = ComboProperties.items();
		} else if (control instanceof CCombo) {
			property = CComboProperties.items();
		} else if (control instanceof List) {
			property = ListProperties.items();
		} else {
			throw new IllegalArgumentException(
					"Widget [" + control.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
		}

		return new SWTObservableListDecorator(PropertyObservables.observeList(
				control, property), control);
	}

	/**

	 */
	public static ISWTObservableValue observeSingleSelectionIndex(
			Control control) {
		IValueProperty property;
		if (control instanceof Table) {
			property = TableProperties.singleSelectionIndex();
		} else if (control instanceof Combo) {
			property = ComboProperties.singleSelectionIndex();
		} else if (control instanceof CCombo) {
			property = CComboProperties.singleSelectionIndex();
		} else if (control instanceof List) {
			property = ListProperties.singleSelectionIndex();
		} else {
			throw new IllegalArgumentException(
					"Widget [" + control.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
		}

		return observeWidgetProperty(control, property);
				"Widget [" + control.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
	}

	/**
	 * Returns an observable value tracking the foreground color of the given
	 * control
	 * 
	 * @param control
	 *            the control to observe
	 * @return an observable value tracking the foreground color of the given
	 *         control
	 */
	public static ISWTObservableValue observeForeground(Control control) {
		return observeWidgetProperty(control, ControlProperties.foreground());
	}

	/**
	 * Returns an observable value tracking the background color of the given
	 * control
	 * 
	 * @param control
	 *            the control to observe
	 * @return an observable value tracking the background color of the given
	 *         control
	 */
	public static ISWTObservableValue observeBackground(Control control) {
		return observeWidgetProperty(control, ControlProperties.background());
	}

	/**
	 * Returns an observable value tracking the font of the given control.
	 * 
	 * @param control
	 *            the control to observe
	 * @return an observable value tracking the font of the given control
	 */
	public static ISWTObservableValue observeFont(Control control) {
		return observeWidgetProperty(control, ControlProperties.font());
	}
	
	/**
	 * Returns an observable value tracking the size of the given control.
	 * 
	 * @param control
	 *            the control to observe
	 * @return an observable value tracking the size of the given control
	 * @since 1.3
	 */
	public static ISWTObservableValue observeSize(Control control) {
		return observeWidgetProperty(control, ControlProperties.size());
	}

	/**
	 * Returns an observable value tracking the location of the given control.
	 * 
	 * @param control
	 *            the control to observe
	 * @return an observable value tracking the location of the given control
	 * @since 1.3
	 */
	public static ISWTObservableValue observeLocation(Control control) {
		return observeWidgetProperty(control, ControlProperties.location());
	}

	/**
	 * Returns an observable value tracking the focus of the given control.
	 * 
	 * @param control
	 *            the control to observe
	 * @return an observable value tracking the focus of the given control
	 * @since 1.3
	 */
	public static ISWTObservableValue observeFocus(Control control) {
		return observeWidgetProperty(control, ControlProperties.focused());
	}

	/**
	 * Returns an observable value tracking the bounds of the given control.
	 * 
	 * @param control
	 *            the control to observe
	 * @return an observable value tracking the bounds of the given control
	 * @since 1.3
	 */
	public static ISWTObservableValue observeBounds(Control control) {
		return observeWidgetProperty(control, ControlProperties.bounds());
	}
	
	/**

	 *             if <code>control</code> type is unsupported
	 */
	public static ISWTObservableValue observeEditable(Control control) {
		IValueProperty property;
		if (control instanceof Text) {
			property = TextProperties.editable();
		} else {
			throw new IllegalArgumentException(
					"Widget [" + control.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
		}

		return observeWidgetProperty(control, property);
				"Widget [" + control.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
	}

	private static class DisplayRealm extends Realm {




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.list.DecoratingObservableList;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.jface.databinding.swt.ISWTObservable;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Widget;

/**
 * @since 3.3
 * 
 */
public class SWTObservableListDecorator extends DecoratingObservableList
		implements ISWTObservable {
	private Widget widget;

	/**
	 * @param decorated
	 * @param widget
	 */
	public SWTObservableListDecorator(IObservableList decorated, Widget widget) {
		super(decorated, true);
		this.widget = widget;
		widget.addListener(SWT.Dispose, disposeListener);
	}

	private Listener disposeListener = new Listener() {
		public void handleEvent(Event event) {
			SWTObservableListDecorator.this.dispose();
		}
	};

	public void dispose() {
		this.widget = null;
		super.dispose();
	}

	/**
	 * @return Returns the widget.
	 */
	public Widget getWidget() {
		return widget;
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.ToolItemTooltipTextProperty;

/**
 * A factory for creating properties of SWT ToolItems
 * 
 * @since 1.3
 */
public class ToolItemProperties {
	/**
	 * Returns a value property for the tooltip text of a SWT ToolItems.
	 * 
	 * @return a value property for the tooltip text of a SWT ToolItems.
	 */
	public static IValueProperty tooltipText() {
		return new ToolItemTooltipTextProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.ButtonSelectionProperty;

/**
 * A factory for creating properties of SWT Buttons.
 * 
 * @since 1.3
 */
public class ButtonProperties {
	/**
	 * Returns a value property for the selection state of a SWT Button.
	 * 
	 * @return a value property for the selection state of a SWT Button.
	 */
	public static IValueProperty selection() {
		return new ButtonSelectionProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import java.util.Collections;
import java.util.List;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.list.ListDiff;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.list.IListPropertyChangeListener;
import org.eclipse.core.databinding.property.list.ListPropertyListenerHook;
import org.eclipse.core.databinding.property.list.SimpleListProperty;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;

/**
 * @since 3.3
 * 
 */
public class SelectionProviderMultipleSelectionProperty extends
		SimpleListProperty {
	public Object getElementType() {
		return Object.class;
	}

	public List getList(Object source) {
		ISelection selection = ((ISelectionProvider) source).getSelection();
		if (selection instanceof IStructuredSelection) {
			return ((IStructuredSelection) selection).toList();
		}
		return Collections.EMPTY_LIST;
	}

	protected void setList(Object source, List list, ListDiff diff) {
		((ISelectionProvider) source)
				.setSelection(new StructuredSelection(list));
	}

	public IPropertyListenerHook hookListener(Object source,
			IListPropertyChangeListener listener) {
		return new PropertyListenerHook(source, this, listener);
	}

	private static class PropertyListenerHook extends ListPropertyListenerHook
			implements ISelectionChangedListener {
		List cachedList;

		private PropertyListenerHook(Object source,
				SelectionProviderMultipleSelectionProperty property,
				IListPropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			SelectionProviderMultipleSelectionProperty property = (SelectionProviderMultipleSelectionProperty) getProperty();
			((ISelectionProvider) getSource())
					.addSelectionChangedListener(this);
			cachedList = property.getList(getSource());
		}

		protected void unhookListener() {
			cachedList = null;
			((ISelectionProvider) getSource())
					.removeSelectionChangedListener(this);
		}

		public void selectionChanged(SelectionChangedEvent event) {
			List oldList = cachedList;
			List newList = cachedList = ((IStructuredSelection) event
					.getSelection()).toList();
			fireListChange(Diffs.computeListDiff(oldList, newList));
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.viewers;

import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.jface.internal.databinding.viewers.CheckboxTableViewerCheckedElementsProperty;

/**
 * A factory for creating properties of JFace CheckboxTableViewer
 * 
 * @since 1.3
 */
public class CheckboxTableViewerProperties {
	/**
	 * Returns a set property for the checked elements of a JFace
	 * CheckboxTableViewer.
	 * 
	 * @param elementType
	 *            the element type of the returned property
	 * 
	 * @return a set property for the checked elements of a JFace
	 *         CheckboxTableViewer.
	 */
	public static ISetProperty checkedElements(Object elementType) {
		return new CheckboxTableViewerCheckedElementsProperty(elementType);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.viewers;

import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.jface.internal.databinding.viewers.StructuredViewerFiltersProperty;

/**
 * A factory for creating properties of JFace StructuredViewers
 * 
 * @since 1.3
 */
public class StructuredViewerProperties {
	/**
	 * Returns a value property for the input of a JFace StructuredViewer.
	 * 
	 * @return a value property for the input of a JFace StructuredViewer.
	 */
	public static ISetProperty filters() {
		return new StructuredViewerFiltersProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.CLabelTextProperty;

/**
 * A factory for creating properties of SWT Labels.
 * 
 * @since 1.3
 */
public class CLabelProperties {
	/**
	 * Returns a value property for the text of a SWT Label.
	 * 
	 * @return a value property for the text of a SWT Label.
	 */
	public static IValueProperty text() {
		return new CLabelTextProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Control;

/**
 * @since 3.3
 * 
 */
public class ControlEnabledProperty extends WidgetBooleanValueProperty {
	public boolean doGetBooleanValue(Object source) {
		return ((Control) source).getEnabled();
	}

	void doSetBooleanValue(Object source, boolean value) {
		((Control) source).setEnabled(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation
 *     Tom Schindl - initial API and implementation
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Control;

/**
 * @since 3.3
 * 
 */
public class ControlFocusedProperty extends WidgetBooleanValueProperty {
	/**
	 * 
	 */
	public ControlFocusedProperty() {
		super(new int[] { SWT.FocusIn, SWT.FocusOut });
	}

	public boolean doGetBooleanValue(Object source) {
		return ((Control) source).isFocusControl();
	}

	public void doSetBooleanValue(Object source, boolean value) {
		if (value)
			((Control) source).setFocus();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.custom.CTabItem;

/**
 * @since 3.3
 * 
 */
public class CTabItemTooltipTextProperty extends WidgetStringValueProperty {
	String doGetStringValue(Object source) {
		return ((CTabItem) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((CTabItem) source).setText(value == null ? "" : (String) value); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.StyledTextTextProperty;
import org.eclipse.swt.SWT;

/**
 * A factory for creating properties of SWT StyledTexts.
 * 
 * @since 1.3
 */
public class StyledTextProperties {
	/**
	 * Returns a value property for the text of a SWT StyledText.
	 * 
	 * @param event
	 *            the SWT event type to register for change events. May be
	 *            {@link SWT#None}, {@link SWT#Modify} or {@link SWT#FocusOut}.
	 * 
	 * @return a value property for the text of a SWT StyledText.
	 */
	public static IValueProperty text(int event) {
		return new StyledTextTextProperty(event);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation
 *     Tom Schindl - initial API and implementation
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Control;

/**
 * @since 3.3
 * 
 */
public class ControlLocationProperty extends WidgetValueProperty {
	/**
	 * 
	 */
	public ControlLocationProperty() {
		super(SWT.Move, Point.class);
	}

	public Object getValue(Object source) {
		return ((Control) source).getLocation();
	}

	public void setValue(Object source, Object value) {
		((Control) source).setLocation((Point) value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.TreeItem;

/**
 * @since 3.3
 * 
 */
public class TreeItemTooltipTextProperty extends WidgetStringValueProperty {
	String doGetStringValue(Object source) {
		return ((TreeItem) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((TreeItem) source).setText(value == null ? "" : value); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.ScaleMaximumProperty;
import org.eclipse.jface.internal.databinding.swt.ScaleMinimumProperty;
import org.eclipse.jface.internal.databinding.swt.ScaleSelectionProperty;

/**
 * A factory for creating properties of SWT Scales.
 * 
 * @since 1.3
 */
public class ScaleProperties {
	/**
	 * Returns a value property for the selected value of a SWT Scale.
	 * 
	 * @return a value property for the selected value of a SWT Scale.
	 */
	public static IValueProperty selection() {
		return new ScaleSelectionProperty();
	}

	/**
	 * Returns a value property for the minimum value of a SWT Scale.
	 * 
	 * @return a value property for the minimum value of a SWT Scale.
	 */
	public static IValueProperty minimum() {
		return new ScaleMinimumProperty();
	}

	/**
	 * Returns a value property for the maximum value of a SWT Scale.
	 * 
	 * @return a value property for the maximum value of a SWT Scale.
	 */
	public static IValueProperty maximum() {
		return new ScaleMaximumProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Button;

/**
 * @since 3.3
 * 
 */
public class ButtonSelectionProperty extends WidgetBooleanValueProperty {
	private List listenerHooks = new ArrayList();

	/**
	 * 
	 */
	public ButtonSelectionProperty() {
		super(SWT.Selection);
	}

	boolean doGetBooleanValue(Object source) {
		return ((Button) source).getSelection();
	}

	void doSetBooleanValue(Object source, boolean value) {
		((Button) source).setSelection(value);

		Object[] listeners = listenerHooks.toArray();
		for (int i = 0; i < listeners.length; i++) {
			ButtonSelectionPropertyListenerHook listenerHook = (ButtonSelectionPropertyListenerHook) listeners[i];
			if (listenerHook.getSource() == source)
				listenerHook.handleEvent(null);
		}
	}

	public IPropertyListenerHook hookListener(Object source,
			IValuePropertyChangeListener listener) {
		return new ButtonSelectionPropertyListenerHook(source, this, listener);
	}

	static class ButtonSelectionPropertyListenerHook extends
			PropertyListenerHook {
		private ButtonSelectionPropertyListenerHook(Object source,
				ButtonSelectionProperty property,
				IValuePropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			super.hookListener();
			ButtonSelectionProperty property = (ButtonSelectionProperty) getProperty();
			property.listenerHooks.add(this);
		}

		protected void unhookListener() {
			ButtonSelectionProperty property = (ButtonSelectionProperty) getProperty();
			property.listenerHooks.remove(this);
			super.unhookListener();
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.TabItem;

/**
 * @since 3.3
 * 
 */
public class TabItemTooltipTextProperty extends WidgetStringValueProperty {
	String doGetStringValue(Object source) {
		return ((TabItem) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((TabItem) source).setText(value == null ? "" : value); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.widgets.Control;

/**
 * @since 3.3
 * 
 */
public class ControlFontProperty extends WidgetValueProperty {
	/**
	 * 
	 */
	public ControlFontProperty() {
		super(Font.class);
	}

	public Object getValue(Object source) {
		return ((Control) source).getFont();
	}

	public void setValue(Object source, Object value) {
		((Control) source).setFont((Font) value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Scale;

/**
 * @since 3.3
 * 
 */
public class ScaleMaximumProperty extends WidgetIntValueProperty {
	int doGetIntValue(Object source) {
		return ((Scale) source).getMaximum();
	}

	void doSetIntValue(Object source, int value) {
		((Scale) source).setMaximum(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.List;

/**
 * @since 3.3
 * 
 */
public class ListSelectionProperty extends WidgetStringValueProperty {
	/**
	 * 
	 */
	public ListSelectionProperty() {
		super(SWT.Selection);
	}

	String doGetStringValue(Object source) {
		List list = (List) source;
		int index = list.getSelectionIndex();
		if (index >= 0)
			return list.getItem(index);
		return null;
	}

	void doSetStringValue(Object source, String value) {
		List list = (List) source;
		String items[] = list.getItems();
		int index = -1;
		if (items != null && value != null) {
			for (int i = 0; i < items.length; i++) {
				if (value.equals(items[i])) {
					index = i;
					break;
				}
			}
			list.select(index);
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Item;

/**
 * @since 3.3
 * 
 */
public class ItemTextProperty extends WidgetStringValueProperty {
	String doGetStringValue(Object source) {
		return ((Item) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((Item) source).setText(value == null ? "" : value); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.viewers;

import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.jface.internal.databinding.viewers.CheckboxTreeViewerCheckedElementsProperty;

/**
 * A factory for creating properties of JFace CheckboxTreeViewer
 * 
 * @since 1.3
 */
public class CheckboxTreeViewerProperties {
	/**
	 * Returns a set property for the checked elements of a JFace
	 * CheckboxTreeViewer.
	 * 
	 * @param elementType
	 *            the element type of the returned property
	 * 
	 * @return a set property for the checked elements of a JFace
	 *         CheckboxTreeViewer.
	 */
	public static ISetProperty checkedElements(Object elementType) {
		return new CheckboxTreeViewerCheckedElementsProperty(elementType);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Link;

/**
 * @since 3.3
 * 
 */
public class LinkTextProperty extends WidgetStringValueProperty {
	String doGetStringValue(Object source) {
		return ((Link) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((Link) source).setText(value == null ? "" : value); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.ControlBackgroundProperty;
import org.eclipse.jface.internal.databinding.swt.ControlBoundsProperty;
import org.eclipse.jface.internal.databinding.swt.ControlEnabledProperty;
import org.eclipse.jface.internal.databinding.swt.ControlFocusedProperty;
import org.eclipse.jface.internal.databinding.swt.ControlFontProperty;
import org.eclipse.jface.internal.databinding.swt.ControlForegroundProperty;
import org.eclipse.jface.internal.databinding.swt.ControlLocationProperty;
import org.eclipse.jface.internal.databinding.swt.ControlSizeProperty;
import org.eclipse.jface.internal.databinding.swt.ControlTooltipTextProperty;
import org.eclipse.jface.internal.databinding.swt.ControlVisibleProperty;

/**
 * A factory for creating properties of SWT controls.
 * 
 * @since 1.3
 */
public class ControlProperties {
	/**
	 * Returns a value property for the enablement state of a SWT Control.
	 * 
	 * @return a value property for the enablement state of a SWT Control.
	 */
	public static IValueProperty enabled() {
		return new ControlEnabledProperty();
	}

	/**
	 * Returns a value property for the visibility state of a SWT Control.
	 * 
	 * @return a value property for the visibility state of a SWT Control.
	 */
	public static IValueProperty visible() {
		return new ControlVisibleProperty();
	}

	/**
	 * Returns a value property for the tooltip text of a SWT Control.
	 * 
	 * @return a value property for the tooltip text of a SWT Control.
	 */
	public static IValueProperty toolTipText() {
		return new ControlTooltipTextProperty();
	}

	/**
	 * Returns a value property for the foreground color of a SWT Control.
	 * 
	 * @return a value property for the foreground color of a SWT Control.
	 */
	public static IValueProperty foreground() {
		return new ControlForegroundProperty();
	}

	/**
	 * Returns a value property for the background color of a SWT Control.
	 * 
	 * @return a value property for the background color of a SWT Control.
	 */
	public static IValueProperty background() {
		return new ControlBackgroundProperty();
	}

	/**
	 * Returns a value property for the font of a SWT Control.
	 * 
	 * @return a value property for the font of a SWT Control.
	 */
	public static IValueProperty font() {
		return new ControlFontProperty();
	}

	/**
	 * Returns a value property for the size of a SWT Control.
	 * 
	 * @return a value property for the size of a SWT Control.
	 */
	public static IValueProperty size() {
		return new ControlSizeProperty();
	}

	/**
	 * Returns a value property for the location of a SWT Control.
	 * 
	 * @return a value property for the location of a SWT Control.
	 */
	public static IValueProperty location() {
		return new ControlLocationProperty();
	}

	/**
	 * Returns a value property for the bounds of a SWT Control.
	 * 
	 * @return a value property for the bounds of a SWT Control.
	 */
	public static IValueProperty bounds() {
		return new ControlBoundsProperty();
	}

	/**
	 * Returns a value property for the focus state of a SWT Control.
	 * 
	 * @return a value property for the focus state of a SWT Control.
	 */
	public static IValueProperty focused() {
		return new ControlFocusedProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.TableColumn;

/**
 * @since 3.3
 * 
 */
public class TableColumnTooltipTextProperty extends WidgetStringValueProperty {
	String doGetStringValue(Object source) {
		return ((TableColumn) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((TableColumn) source).setText(value == null ? "" : value); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Control;

/**
 * @since 3.3
 * 
 */
public class ControlBackgroundProperty extends WidgetValueProperty {
	/**
	 * 
	 */
	public ControlBackgroundProperty() {
		super(Color.class);
	}

	public Object getValue(Object source) {
		return ((Control) source).getBackground();
	}

	public void setValue(Object source, Object value) {
		((Control) source).setBackground((Color) value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Combo;

/**
 * @since 3.3
 * 
 */
public class ComboSelectionProperty extends WidgetStringValueProperty {
	/**
	 * 
	 */
	public ComboSelectionProperty() {
		super(SWT.Modify);
	}

	String doGetStringValue(Object source) {
		return ((Combo) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		Combo combo = (Combo) source;
		String items[] = combo.getItems();
		int index = -1;
		if (items != null && value != null) {
			for (int i = 0; i < items.length; i++) {
				if (value.equals(items[i])) {
					index = i;
					break;
				}
			}
			if (index == -1) {
				combo.setText(value);
			} else {
				combo.select(index); // -1 will not "unselect"
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import java.util.Arrays;
import java.util.Set;

import org.eclipse.core.databinding.observable.set.SetDiff;
import org.eclipse.jface.viewers.CheckboxTreeViewer;
import org.eclipse.jface.viewers.ICheckable;

/**
 * @since 3.3
 * 
 */
public class CheckboxTreeViewerCheckedElementsProperty extends
		CheckableCheckedElementsProperty {
	/**
	 * @param elementType
	 */
	public CheckboxTreeViewerCheckedElementsProperty(Object elementType) {
		super(elementType);
	}

	protected Set createElementSet(ICheckable checkable) {
		return ViewerElementSet.withComparer(((CheckboxTreeViewer) checkable)
				.getComparer());
	}

	protected Set doGetSet(ICheckable checkable) {
		CheckboxTreeViewer viewer = (CheckboxTreeViewer) checkable;
		Set set = createElementSet(viewer);
		set.addAll(Arrays.asList(viewer.getCheckedElements()));
		return set;
	}

	protected void doSetSet(Object source, Set set, SetDiff diff) {
		CheckboxTreeViewer viewer = (CheckboxTreeViewer) source;
		viewer.setCheckedElements(set.toArray());
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;

import org.eclipse.core.databinding.observable.list.ListDiff;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.list.IListPropertyChangeListener;
import org.eclipse.core.databinding.property.list.ListPropertyChangeEvent;
import org.eclipse.core.databinding.property.list.ListPropertyListenerHook;
import org.eclipse.core.databinding.property.list.SimpleListProperty;
import org.eclipse.swt.widgets.Control;

/**
 * @since 3.3
 * 
 */
public abstract class ControlStringListProperty extends SimpleListProperty {
	private Object lock = new Object();
	private Collection propertyListenerHooks = new HashSet();

	protected void setList(Object source, List list, ListDiff diff) {
		String[] strings = (String[]) list.toArray(new String[list.size()]);
		doSetStringList((Control) source, strings);

		ListPropertyChangeEvent event = new ListPropertyChangeEvent(source,
				this, diff);
		IListPropertyChangeListener[] listeners = getListeners(source);
		for (int i = 0; i < listeners.length; i++) {
			listeners[i].handleListPropertyChange(event);
		}
	}

	abstract void doSetStringList(Control control, String[] list);

	public List getList(Object source) {
		String[] list = doGetStringList((Control) source);
		return Arrays.asList(list);
	}

	abstract String[] doGetStringList(Control control);

	private IListPropertyChangeListener[] getListeners(Object source) {
		List listeners = new ArrayList();
		synchronized (lock) {
			for (Iterator it = propertyListenerHooks.iterator(); it.hasNext();) {
				IPropertyListenerHook listenerHook = (IPropertyListenerHook) it
						.next();
				if (listenerHook.getSource() == source)
					listeners.add(listenerHook.getListener());
			}
		}

		return (IListPropertyChangeListener[]) listeners
				.toArray(new IListPropertyChangeListener[listeners.size()]);
	}

	public Object getElementType() {
		return String.class;
	}

	public IPropertyListenerHook hookListener(Object source,
			IListPropertyChangeListener listener) {
		return new PropertyListenerHook(source, this, listener);
	}

	private static class PropertyListenerHook extends ListPropertyListenerHook {
		private PropertyListenerHook(Object source,
				ControlStringListProperty property,
				IListPropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			ControlStringListProperty property = (ControlStringListProperty) getProperty();
			synchronized (property.lock) {
				property.propertyListenerHooks.add(this);
			}
		}

		protected void unhookListener() {
			ControlStringListProperty property = (ControlStringListProperty) getProperty();
			synchronized (property.lock) {
				property.propertyListenerHooks.remove(this);
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.custom.CLabel;

/**
 * @since 3.3
 * 
 */
public class CLabelTextProperty extends WidgetStringValueProperty {
	String doGetStringValue(Object source) {
		return ((CLabel) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((CLabel) source).setText(value == null ? "" : value); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import org.eclipse.core.databinding.observable.set.DecoratingObservableSet;
import org.eclipse.core.databinding.observable.set.IObservableSet;
import org.eclipse.jface.databinding.viewers.IViewerObservableSet;
import org.eclipse.jface.viewers.Viewer;

/**
 * @since 3.3
 * 
 */
public class ViewerObservableSetDecorator extends DecoratingObservableSet
		implements IViewerObservableSet {
	private final Viewer viewer;

	/**
	 * @param decorated
	 * @param viewer
	 */
	public ViewerObservableSetDecorator(IObservableSet decorated, Viewer viewer) {
		super(decorated, true);
		this.viewer = viewer;
	}

	public Viewer getViewer() {
		return viewer;
	}

}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.SpinnerMaximumProperty;
import org.eclipse.jface.internal.databinding.swt.SpinnerMinimumProperty;
import org.eclipse.jface.internal.databinding.swt.SpinnerSelectionProperty;

/**
 * A factory for creating properties of SWT Spinners.
 * 
 * @since 1.3
 */
public class SpinnerProperties {
	/**
	 * Returns a value property for the selected value of a SWT Spinner.
	 * 
	 * @return a value property for the selected value of a SWT Spinner.
	 */
	public static IValueProperty selection() {
		return new SpinnerSelectionProperty();
	}

	/**
	 * Returns a value property for the minimum value of a SWT Spinner.
	 * 
	 * @return a value property for the minimum value of a SWT Spinner.
	 */
	public static IValueProperty minimum() {
		return new SpinnerMinimumProperty();
	}

	/**
	 * Returns a value property for the maximum value of a SWT Spinner.
	 * 
	 * @return a value property for the maximum value of a SWT Spinner.
	 */
	public static IValueProperty maximum() {
		return new SpinnerMaximumProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.widgets.Control;

/**
 * @since 3.3
 * 
 */
public class CComboItemsProperty extends ControlStringListProperty {
	protected void doSetStringList(Control control, String[] list) {
		((CCombo) control).setItems(list);
	}

	public String[] doGetStringList(Control control) {
		return ((CCombo) control).getItems();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Combo;

/**
 * @since 3.3
 * 
 */
public class ComboSingleSelectionIndexProperty extends WidgetIntValueProperty {
	/**
	 * 
	 */
	public ComboSingleSelectionIndexProperty() {
		super(new int[] { SWT.Selection, SWT.DefaultSelection });
	}

	int doGetIntValue(Object source) {
		return ((Combo) source).getSelectionIndex();
	}

	void doSetIntValue(Object source, int value) {
		((Combo) source).select(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.ToolItem;

/**
 * @since 3.3
 * 
 */
public class ToolItemTooltipTextProperty extends WidgetStringValueProperty {
	String doGetStringValue(Object source) {
		return ((ToolItem) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((ToolItem) source).setText(value == null ? "" : value); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.IDecoratingObservable;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.IStaleListener;
import org.eclipse.core.databinding.observable.ObservableTracker;
import org.eclipse.core.databinding.observable.StaleEvent;
import org.eclipse.core.databinding.observable.value.AbstractVetoableValue;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.observable.value.IValueChangeListener;
import org.eclipse.core.databinding.observable.value.ValueChangeEvent;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.databinding.swt.ISWTObservableValue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Widget;

/**
 * @since 3.3
 * 
 */
public class SWTVetoableValueDecorator extends AbstractVetoableValue implements
		ISWTObservableValue, IDecoratingObservable {

	private IObservableValue decorated;
	private Widget widget;

	private IValueChangeListener valueListener = new IValueChangeListener() {
		public void handleValueChange(ValueChangeEvent event) {
			fireValueChange(event.diff);
		}
	};

	private IStaleListener staleListener = new IStaleListener() {
		public void handleStale(StaleEvent staleEvent) {
			fireStale();
		}
	};

	private Listener verifyListener = new Listener() {
		public void handleEvent(Event event) {
			String currentText = (String) decorated.getValue();
			String newText = currentText.substring(0, event.start) + event.text
					+ currentText.substring(event.end);
			if (!fireValueChanging(Diffs.createValueDiff(currentText, newText))) {
				event.doit = false;
			}
		}
	};

	private Listener disposeListener = new Listener() {
		public void handleEvent(Event event) {
			SWTVetoableValueDecorator.this.dispose();
		}
	};

	/**
	 * @param decorated
	 * @param widget
	 */
	public SWTVetoableValueDecorator(IObservableValue decorated, Widget widget) {
		super(decorated.getRealm());
		this.decorated = decorated;
		this.widget = widget;
		Assert
				.isTrue(decorated.getValueType().equals(String.class),
						"SWTVetoableValueDecorator can only decorate observable values of String type"); //$NON-NLS-1$
		widget.addListener(SWT.Dispose, disposeListener);
	}

	private void getterCalled() {
		ObservableTracker.getterCalled(this);
	}

	protected void firstListenerAdded() {
		decorated.addValueChangeListener(valueListener);
		decorated.addStaleListener(staleListener);
		widget.addListener(SWT.Verify, verifyListener);
	}

	protected void lastListenerRemoved() {
		decorated.removeValueChangeListener(valueListener);
		decorated.removeStaleListener(staleListener);
		if (widget != null && !widget.isDisposed())
			widget.removeListener(SWT.Verify, verifyListener);
	}

	protected void doSetApprovedValue(Object value) {
		checkRealm();
		decorated.setValue(value);
	}

	protected Object doGetValue() {
		getterCalled();
		return decorated.getValue();
	}

	public Object getValueType() {
		return decorated.getValueType();
	}

	public boolean isStale() {
		getterCalled();
		return decorated.isStale();
	}

	public void dispose() {
		if (decorated != null) {
			decorated.dispose();
			decorated = null;
		}
		if (widget != null && !widget.isDisposed())
			widget.removeListener(SWT.Verify, verifyListener);
		this.widget = null;
		super.dispose();
	}

	public Widget getWidget() {
		return widget;
	}

	public IObservable getDecorated() {
		return decorated;
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.TextEditableProperty;
import org.eclipse.jface.internal.databinding.swt.TextTextProperty;
import org.eclipse.swt.SWT;

/**
 * A factory for creating properties of SWT Texts.
 * 
 * @since 1.3
 */
public class TextProperties {
	/**
	 * Returns a value property for the text of a SWT Text.
	 * 
	 * @param event
	 *            the SWT event type to register for change events. May be
	 *            {@link SWT#None}, {@link SWT#Modify} or {@link SWT#FocusOut}.
	 * 
	 * @return a value property for the text of a SWT Text.
	 */
	public static IValueProperty text(int event) {
		return new TextTextProperty(event);
	}

	/**
	 * Returns a value property for the editable state of a SWT Text.
	 * @return a value property for the editable state of a SWT Text.
	 */
	public static IValueProperty editable() {
		return new TextEditableProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.ShellTextProperty;

/**
 * A factory for creating properties of SWT Shells.
 * 
 * @since 1.3
 */
public class ShellProperties {
	/**
	 * Returns a value property for the text of a SWT Shell.
	 * 
	 * @return a value property for the text of a SWT Shell.
	 */
	public static IValueProperty text() {
		return new ShellTextProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.TabItemTooltipTextProperty;

/**
 * A factory for creating properties of SWT TabItems
 * 
 * @since 1.3
 */
public class TabItemProperties {
	/**
	 * Returns a value property for the tooltip text of a SWT TabItem.
	 * 
	 * @return a value property for the tooltip text of a SWT TabItem.
	 */
	public static IValueProperty tooltipText() {
		return new TabItemTooltipTextProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.LinkTextProperty;

/**
 * A factory for creating properties of SWT Links.
 * 
 * @since 1.3
 */
public class LinkProperties {
	/**
	 * Returns a value property for the text of a SWT Link.
	 * 
	 * @return a value property for the text of a SWT Link.
	 */
	public static IValueProperty text() {
		return new LinkTextProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

/**
 * @since 3.3
 * 
 */
public abstract class WidgetBooleanValueProperty extends WidgetValueProperty {
	WidgetBooleanValueProperty(int[] events) {
		super(events, Boolean.TYPE);
	}

	WidgetBooleanValueProperty(int event) {
		super(event, Boolean.TYPE);
	}

	WidgetBooleanValueProperty() {
		super(Boolean.TYPE);
	}

	public Object getValue(Object source) {
		return doGetBooleanValue(source) ? Boolean.TRUE : Boolean.FALSE;
	}

	public void setValue(Object source, Object value) {
		if (value == null)
			value = Boolean.FALSE;
		doSetBooleanValue(source, ((Boolean) value).booleanValue());
	}

	abstract boolean doGetBooleanValue(Object source);

	abstract void doSetBooleanValue(Object source, boolean value);
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.set.SetDiff;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.set.ISetPropertyChangeListener;
import org.eclipse.core.databinding.property.set.SetPropertyListenerHook;
import org.eclipse.core.databinding.property.set.SimpleSetProperty;
import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.ICheckable;

/**
 * @since 3.3
 * 
 */
public class CheckableCheckedElementsProperty extends SimpleSetProperty {
	private Object elementType;

	/**
	 * @param elementType
	 */
	public CheckableCheckedElementsProperty(Object elementType) {
		this.elementType = elementType;
	}

	public Object getElementType() {
		return elementType;
	}

	public Set getSet(Object source) {
		ICheckable checkable = (ICheckable) source;

		Set set = doGetSet(checkable);
		if (set == null) {
			set = createElementSet(checkable);
		}

		return set;
	}

	protected Set doGetSet(ICheckable checkable) {
		return null; // overridden by viewer-specific subclasses
	}

	protected Set createElementSet(ICheckable checkable) {
		return new HashSet();
	}

	protected void setSet(Object source, Set set, SetDiff diff) {
		ICheckable checkable = (ICheckable) source;
		for (Iterator it = diff.getAdditions().iterator(); it.hasNext();) {
			checkable.setChecked(it.next(), true);
		}
		for (Iterator it = diff.getRemovals().iterator(); it.hasNext();) {
			checkable.setChecked(it.next(), false);
		}
	}

	public IPropertyListenerHook hookListener(Object source,
			ISetPropertyChangeListener listener) {
		return new PropertyListenerHook(source, listener);
	}

	private class PropertyListenerHook extends SetPropertyListenerHook
			implements ICheckStateListener {
		private Set cachedSet;

		private PropertyListenerHook(Object source,
				ISetPropertyChangeListener listener) {
			super(source, CheckableCheckedElementsProperty.this, listener);
		}

		protected void hookListener() {
			((ICheckable) getSource()).addCheckStateListener(this);
			cachedSet = getSet(getSource());
		}

		protected void unhookListener() {
			cachedSet = null;
			((ICheckable) getSource()).removeCheckStateListener(this);
		}

		public void checkStateChanged(CheckStateChangedEvent event) {
			// ICheckable is documented to not fire events when setChecked() is
			// called, so no need to check whether the element is being updated.

			Object element = event.getElement();
			if (event.getChecked()) {
				if (cachedSet.add(element)) {
					fireSetChange(Diffs.createSetDiff(Collections
							.singleton(element), Collections.EMPTY_SET));
				}
			} else {
				if (cachedSet.remove(element)) {
					fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET,
							Collections.singleton(element)));
				}
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

/**
 * @since 3.3
 * 
 */
public abstract class WidgetIntValueProperty extends WidgetValueProperty {
	WidgetIntValueProperty() {
		super(Integer.TYPE);
	}

	WidgetIntValueProperty(int event) {
		super(event, Integer.TYPE);
	}

	WidgetIntValueProperty(int[] events) {
		super(events, Integer.TYPE);
	}

	public Object getValue(Object source) {
		return new Integer(doGetIntValue(source));
	}

	public void setValue(Object source, Object value) {
		doSetIntValue(source, ((Integer) value).intValue());
	}

	abstract int doGetIntValue(Object source);

	abstract void doSetIntValue(Object source, int intValue);
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation
 *     Tom Schindl - initial API and implementation
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Control;

/**
 * @since 3.3
 * 
 */
public class ControlSizeProperty extends WidgetValueProperty {
	/**
	 * 
	 */
	public ControlSizeProperty() {
		super(SWT.Resize, Point.class);
	}

	public Object getValue(Object source) {
		return ((Control) source).getSize();
	}

	public void setValue(Object source, Object value) {
		((Control) source).setSize((Point) value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.CComboItemsProperty;
import org.eclipse.jface.internal.databinding.swt.CComboSelectionProperty;
import org.eclipse.jface.internal.databinding.swt.CComboSingleSelectionIndexProperty;
import org.eclipse.jface.internal.databinding.swt.CComboTextProperty;

/**
 * A factory for creating properties of SWT CCombos
 * 
 * @since 1.3
 */
public class CComboProperties {
	/**
	 * Returns a value property for the selection text of a SWT CCombo.
	 * 
	 * @return a value property for the selection text of a SWT CCombo.
	 */
	public static IValueProperty selection() {
		return new CComboSelectionProperty();
	}

	/**
	 * Returns a value property for the text of a SWT CCombo.
	 * 
	 * @return a value property for the text of a SWT CCombo.
	 */
	public static IValueProperty text() {
		return new CComboTextProperty();
	}

	/**
	 * Returns a list property for the items of a SWT CCombo.
	 * 
	 * @return a list property for the items of a SWT CCombo.
	 */
	public static IListProperty items() {
		return new CComboItemsProperty();
	}

	/**
	 * Returns a value property for the single selection index of a SWT Combo.
	 * 
	 * @return a value property for the single selection index of a SWT Combo.
	 */
	public static IValueProperty singleSelectionIndex() {
		return new CComboSingleSelectionIndexProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import java.util.Arrays;
import java.util.Set;

import org.eclipse.core.databinding.observable.set.SetDiff;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.ICheckable;

/**
 * @since 3.3
 * 
 */
public class CheckboxTableViewerCheckedElementsProperty extends
		CheckableCheckedElementsProperty {
	/**
	 * @param elementType
	 */
	public CheckboxTableViewerCheckedElementsProperty(Object elementType) {
		super(elementType);
	}

	protected Set createElementSet(ICheckable checkable) {
		return ViewerElementSet.withComparer(((CheckboxTableViewer) checkable)
				.getComparer());
	}

	protected Set doGetSet(ICheckable checkable) {
		CheckboxTableViewer viewer = (CheckboxTableViewer) checkable;
		Set set = createElementSet(viewer);
		set.addAll(Arrays.asList(viewer.getCheckedElements()));
		return set;
	}

	protected void doSetSet(Object source, Set set, SetDiff diff) {
		CheckboxTableViewer viewer = (CheckboxTableViewer) source;
		viewer.setCheckedElements(set.toArray());
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Control;

/**
 * @since 3.3
 *
 */
public class ControlVisibleProperty extends WidgetBooleanValueProperty {
	boolean doGetBooleanValue(Object source) {
		return ((Control) source).getVisible();
	}

	void doSetBooleanValue(Object source, boolean value) {
		((Control) source).setVisible(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Control;

/**
 * @since 3.3
 * 
 */
public class ControlTooltipTextProperty extends WidgetStringValueProperty {
	String doGetStringValue(Object source) {
		return ((Control) source).getToolTipText();
	}

	void doSetStringValue(Object source, String value) {
		((Control) source).setToolTipText(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.viewers;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.viewers.ViewerInputProperty;

/**
 * A factory for creating properties of JFace Viewers
 * 
 * @since 1.3
 */
public class ViewerProperties {
	/**
	 * Returns a value property for the input of a JFace Viewer.
	 * 
	 * @return a value property for the input of a JFace Viewer.
	 */
	public static IValueProperty input() {
		return new ViewerInputProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.TreeItemTooltipTextProperty;

/**
 * A factory for creating properties of SWT TabItems
 * 
 * @since 1.3
 */
public class TreeColumnProperties {
	/**
	 * Returns a value property for the tooltip text of a SWT TreeColumn.
	 * 
	 * @return a value property for the tooltip text of a SWT TreeColumn.
	 */
	public static IValueProperty tooltipText() {
		return new TreeItemTooltipTextProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.CTabItemTooltipTextProperty;

/**
 * A factory for creating properties of SWT CTabItems
 * 
 * @since 1.3
 */
public class CTabItemProperties {
	/**
	 * Returns a value property for the tooltip text of a SWT CTabItem.
	 * 
	 * @return a value property for the tooltip text of a SWT CTabItem.
	 */
	public static IValueProperty tooltipText() {
		return new CTabItemTooltipTextProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.List;

/**
 * @since 3.3
 * 
 */
public class ListSingleSelectionIndexProperty extends WidgetIntValueProperty {
	/**
	 * 
	 */
	public ListSingleSelectionIndexProperty() {
		super(new int[] { SWT.Selection, SWT.DefaultSelection });
	}

	int doGetIntValue(Object source) {
		return ((List) source).getSelectionIndex();
	}

	void doSetIntValue(Object source, int value) {
		((List) source).setSelection(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;

/**
 * @since 3.3
 * 
 */
public class CComboSelectionProperty extends WidgetStringValueProperty {
	/**
	 * 
	 */
	public CComboSelectionProperty() {
		super(SWT.Modify);
	}

	String doGetStringValue(Object source) {
		return ((CCombo) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		CCombo ccombo = (CCombo) source;
		String items[] = ccombo.getItems();
		int index = -1;
		if (value == null) {
			ccombo.select(-1);
		} else if (items != null) {
			for (int i = 0; i < items.length; i++) {
				if (value.equals(items[i])) {
					index = i;
					break;
				}
			}
			if (index == -1) {
				ccombo.setText(value);
			} else {
				ccombo.select(index); // -1 will not "unselect"
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.TableSingleSelectionIndexProperty;

/**
 * A factory for creating properties of SWT Tables.
 * 
 * @since 1.3
 */
public class TableProperties {
	/**
	 * Returns a value property for the single selection index of a SWT Table.
	 * 
	 * @return a value property for the single selection index of a SWT Table.
	 */
	public static IValueProperty singleSelectionIndex() {
		return new TableSingleSelectionIndexProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Spinner;

/**
 * @since 3.3
 * 
 */
public class SpinnerSelectionProperty extends WidgetIntValueProperty {
	/**
	 * 
	 */
	public SpinnerSelectionProperty() {
		super(SWT.Modify);
	}

	int doGetIntValue(Object source) {
		return ((Spinner) source).getSelection();
	}

	void doSetIntValue(Object source, int value) {
		((Spinner) source).setSelection(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation
 *     Tom Schindl - initial API and implementation
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Control;

/**
 * @since 3.3
 * 
 */
public class ControlBoundsProperty extends WidgetValueProperty {
	/**
	 * 
	 */
	public ControlBoundsProperty() {
		super(new int[] { SWT.Resize, SWT.Move }, Rectangle.class);
	}

	public Object getValue(Object source) {
		return ((Control) source).getBounds();
	}

	public void setValue(Object source, Object value) {
		((Control) source).setBounds((Rectangle) value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.ComboItemsProperty;
import org.eclipse.jface.internal.databinding.swt.ComboSelectionProperty;
import org.eclipse.jface.internal.databinding.swt.ComboSingleSelectionIndexProperty;
import org.eclipse.jface.internal.databinding.swt.ComboTextProperty;

/**
 * A factory for creating properties of SWT Combos.
 * 
 * @since 1.3
 */
public class ComboProperties {
	/**
	 * Returns a value property for the selection text of a SWT Combo.
	 * 
	 * @return a value property for the selection text of a SWT Combo.
	 */
	public static IValueProperty selection() {
		return new ComboSelectionProperty();
	}

	/**
	 * Returns a value property for the text of a SWT Combo.
	 * 
	 * @return a value property for the text of a SWT Combo.
	 */
	public static IValueProperty text() {
		return new ComboTextProperty();
	}

	/**
	 * Returns a list property for the items of a SWT Combo.
	 * 
	 * @return a list property for the items of a SWT Combo.
	 */
	public static IListProperty items() {
		return new ComboItemsProperty();
	}

	/**
	 * Returns a value property for the single selection index of a SWT Combo.
	 * 
	 * @return a value property for the single selection index of a SWT Combo.
	 */
	public static IValueProperty singleSelectionIndex() {
		return new ComboSingleSelectionIndexProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.viewers;

import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.jface.internal.databinding.viewers.CheckableCheckedElementsProperty;

/**
 * A factory for creating properties of JFace ICheckables
 * 
 * @since 1.3
 */
public class CheckableProperties {
	/**
	 * Returns a set property for the checked elements of a JFace ICheckable.
	 * 
	 * @param elementType
	 *            the element type of the returned property
	 * 
	 * @return a set property for the checked elements of a JFace ICheckable.
	 */
	public static ISetProperty checkedElements(Object elementType) {
		return new CheckableCheckedElementsProperty(elementType);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Combo;

/**
 * @since 3.3
 * 
 */
public class ComboTextProperty extends WidgetStringValueProperty {
	/**
	 * 
	 */
	public ComboTextProperty() {
		super(SWT.Modify);
	}

	String doGetStringValue(Object source) {
		return ((Combo) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((Combo) source).setText(value != null ? value : ""); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;

/**
 * @since 3.3
 * 
 */
public class StyledTextTextProperty extends WidgetStringValueProperty {
	/**
	 * @param event
	 */
	public StyledTextTextProperty(int event) {
		super(checkEvent(event));
	}

	private static int checkEvent(int event) {
		switch (event) {
		case SWT.None:
		case SWT.Modify:
		case SWT.FocusOut:
			return event;
		default:
			throw new IllegalArgumentException("UpdateEventType [" //$NON-NLS-1$
					+ event + "] is not supported."); //$NON-NLS-1$
		}
	}

	String doGetStringValue(Object source) {
		return ((StyledText) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((StyledText) source).setText(value == null ? "" : value); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Label;

/**
 * @since 3.3
 * 
 */
public class LabelTextProperty extends WidgetStringValueProperty {
	String doGetStringValue(Object source) {
		return ((Label) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((Label) source).setText(value == null ? "" : value); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.LabelTextProperty;

/**
 * A factory for creating properties of SWT Labels.
 * 
 * @since 1.3
 */
public class LabelProperties {
	/**
	 * Returns a value property for the text of a SWT Label.
	 * 
	 * @return a value property for the text of a SWT Label.
	 */
	public static IValueProperty text() {
		return new LabelTextProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Text;

/**
 * @since 3.3
 * 
 */
public class TextTextProperty extends WidgetStringValueProperty {
	/**
	 * @param event
	 */
	public TextTextProperty(int event) {
		super(checkEvent(event));
	}

	private static int checkEvent(int event) {
		switch (event) {
		case SWT.None:
		case SWT.Modify:
		case SWT.FocusOut:
			return event;
		default:
			throw new IllegalArgumentException("UpdateEventType [" //$NON-NLS-1$
					+ event + "] is not supported."); //$NON-NLS-1$
		}
	}

	String doGetStringValue(Object source) {
		return ((Text) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((Text) source).setText(value == null ? "" : value); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Spinner;

/**
 * @since 3.3
 * 
 */
public class SpinnerMaximumProperty extends WidgetIntValueProperty {
	int doGetIntValue(Object source) {
		return ((Spinner) source).getMaximum();
	}

	void doSetIntValue(Object source, int value) {
		((Spinner) source).setMaximum(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import org.eclipse.core.databinding.observable.list.DecoratingObservableList;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.jface.databinding.viewers.IViewerObservableList;
import org.eclipse.jface.viewers.Viewer;

/**
 * @since 3.3
 * 
 */
public class ViewerObservableListDecorator extends DecoratingObservableList
		implements IViewerObservableList {
	private final Viewer viewer;

	/**
	 * @param decorated
	 * @param viewer
	 */
	public ViewerObservableListDecorator(IObservableList decorated,
			Viewer viewer) {
		super(decorated, true);
		this.viewer = viewer;
	}

	public Viewer getViewer() {
		return viewer;
	}

}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.ListItemsProperty;
import org.eclipse.jface.internal.databinding.swt.ListSelectionProperty;
import org.eclipse.jface.internal.databinding.swt.ListSingleSelectionIndexProperty;

/**
 * A factory for creating properties of SWT List controls.
 * 
 * @since 1.3
 */
public class ListProperties {
	/**
	 * Returns a value property for observing the selection text of a SWT List.
	 * 
	 * @return a value property for observing the selection text of a SWT List.
	 */
	public static IValueProperty selection() {
		return new ListSelectionProperty();
	}

	/**
	 * Returns a list property for observing the items in a SWT List.
	 * 
	 * @return a list property for observing the items in a SWT List.
	 */
	public static IListProperty items() {
		return new ListItemsProperty();
	}

	/**
	 * Returns a value property for the single selection index of a SWT List.
	 * 
	 * @return a value property for the single selection index of a SWT List.
	 */
	public static IValueProperty singleSelectionIndex() {
		return new ListSingleSelectionIndexProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValueProperty;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;
import org.eclipse.core.databinding.property.value.ValuePropertyListenerHook;
import org.eclipse.jface.util.Util;
import org.eclipse.jface.viewers.Viewer;

/**
 * @since 3.3
 * 
 */
public class ViewerInputProperty extends ValueProperty {
	private Object lock = new Object();
	private Collection propertyListenerHooks = new HashSet();

	public Object getValueType() {
		return null;
	}

	public Object getValue(Object source) {
		return ((Viewer) source).getInput();
	}

	public void setValue(Object source, Object value) {
		Object oldValue = getValue(source);
		((Viewer) source).setInput(value);
		Object newValue = getValue(source);
		if (!Util.equals(oldValue, newValue)) {
			ValuePropertyChangeEvent event = new ValuePropertyChangeEvent(
					source, this, Diffs.createValueDiff(oldValue, newValue));
			IValuePropertyChangeListener[] listeners = getListeners(source);
			for (int i = 0; i < listeners.length; i++) {
				listeners[i].handleValuePropertyChange(event);
			}
		}
	}

	private IValuePropertyChangeListener[] getListeners(Object source) {
		List listeners = new ArrayList();
		synchronized (lock) {
			for (Iterator it = propertyListenerHooks.iterator(); it.hasNext();) {
				IPropertyListenerHook listenerHook = (IPropertyListenerHook) it
						.next();
				if (listenerHook.getSource() == source)
					listeners.add(listenerHook.getListener());
			}
		}

		return (IValuePropertyChangeListener[]) listeners
				.toArray(new IValuePropertyChangeListener[listeners.size()]);
	}

	public IPropertyListenerHook hookListener(Object source,
			IValuePropertyChangeListener listener) {
		return new PropertyListenerHook(source, this, listener);
	}

	private static class PropertyListenerHook extends ValuePropertyListenerHook {
		private PropertyListenerHook(Object source,
				ViewerInputProperty property,
				IValuePropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			ViewerInputProperty property = (ViewerInputProperty) getProperty();
			synchronized (property.lock) {
				property.propertyListenerHooks.add(this);
			}
		}

		protected void unhookListener() {
			ViewerInputProperty property = (ViewerInputProperty) getProperty();
			synchronized (property.lock) {
				property.propertyListenerHooks.remove(this);
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValueProperty;
import org.eclipse.core.databinding.property.value.ValuePropertyListenerHook;
import org.eclipse.jface.util.Util;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;

/**
 * @since 3.3
 * 
 */
public class SelectionProviderSingleSelectionProperty extends ValueProperty {
	public Object getValueType() {
		return null;
	}

	public Object getValue(Object source) {
		ISelection selection = ((ISelectionProvider) source).getSelection();
		if (selection instanceof IStructuredSelection) {
			return ((IStructuredSelection) selection).getFirstElement();
		}
		return null;
	}

	public void setValue(Object source, Object value) {
		((ISelectionProvider) source)
				.setSelection(value == null ? StructuredSelection.EMPTY
						: new StructuredSelection(value));
	}

	public IPropertyListenerHook hookListener(Object source,
			IValuePropertyChangeListener listener) {
		return new PropertyListenerHook(source, this, listener);
	}

	private static class PropertyListenerHook extends ValuePropertyListenerHook
			implements ISelectionChangedListener {
		Object cachedValue;

		private PropertyListenerHook(Object source,
				SelectionProviderSingleSelectionProperty property,
				IValuePropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			SelectionProviderSingleSelectionProperty property = (SelectionProviderSingleSelectionProperty) getProperty();
			((ISelectionProvider) getSource())
					.addSelectionChangedListener(this);
			cachedValue = property.getValue(getSource());
		}

		protected void unhookListener() {
			cachedValue = null;
			((ISelectionProvider) getSource())
					.removeSelectionChangedListener(this);
		}

		public void selectionChanged(SelectionChangedEvent event) {
			Object oldValue = cachedValue;
			Object newValue = cachedValue = ((IStructuredSelection) event
					.getSelection()).getFirstElement();
			if (!Util.equals(oldValue, newValue)) {
				fireValueChange(Diffs.createValueDiff(oldValue, newValue));
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.TableColumnTooltipTextProperty;

/**
 * A factory for creating properties of SWT TableColumns
 * 
 * @since 1.3
 */
public class TableColumnProperties {
	/**
	 * Returns a value property for the tooltip text of a SWT TableColumns.
	 * 
	 * @return a value property for the tooltip text of a SWT TableColumns.
	 */
	public static IValueProperty tooltipText() {
		return new TableColumnTooltipTextProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Control;

/**
 * @since 3.3
 * 
 */
public class ComboItemsProperty extends ControlStringListProperty {
	protected void doSetStringList(Control control, String[] list) {
		((Combo) control).setItems(list);
	}

	public String[] doGetStringList(Control control) {
		return ((Combo) control).getItems();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.viewers;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import org.eclipse.core.databinding.observable.set.SetDiff;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.set.ISetPropertyChangeListener;
import org.eclipse.core.databinding.property.set.SetPropertyChangeEvent;
import org.eclipse.core.databinding.property.set.SetPropertyListenerHook;
import org.eclipse.core.databinding.property.set.SimpleSetProperty;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.ViewerFilter;

/**
 * @since 3.3
 * 
 */
public class StructuredViewerFiltersProperty extends SimpleSetProperty {
	private Object lock = new Object();
	private Collection propertyListenerHooks = new HashSet();

	private ISetPropertyChangeListener[] getListeners(Object source) {
		List listeners = new ArrayList();
		synchronized (lock) {
			for (Iterator it = propertyListenerHooks.iterator(); it.hasNext();) {
				IPropertyListenerHook listenerHook = (IPropertyListenerHook) it
						.next();
				if (listenerHook.getSource() == source)
					listeners.add(listenerHook.getListener());
			}
		}

		return (ISetPropertyChangeListener[]) listeners
				.toArray(new ISetPropertyChangeListener[listeners.size()]);
	}

	public Object getElementType() {
		return ViewerFilter.class;
	}

	public Set getSet(Object source) {
		return new HashSet(Arrays.asList(((StructuredViewer) source)
				.getFilters()));
	}

	public void setSet(Object source, Set set, SetDiff diff) {
		StructuredViewer viewer = (StructuredViewer) source;
		viewer.getControl().setRedraw(false);
		try {
			viewer.setFilters((ViewerFilter[]) set.toArray(new ViewerFilter[set
					.size()]));
		} finally {
			viewer.getControl().setRedraw(true);
		}

		SetPropertyChangeEvent event = new SetPropertyChangeEvent(source, this,
				diff);
		ISetPropertyChangeListener[] listeners = getListeners(source);
		for (int i = 0; i < listeners.length; i++) {
			listeners[i].handleSetPropertyChange(event);
		}
	}

	public IPropertyListenerHook hookListener(Object source,
			ISetPropertyChangeListener listener) {
		return new PropertyListenerHook(source, listener);
	}

	private class PropertyListenerHook extends SetPropertyListenerHook {
		private PropertyListenerHook(Object source,
				ISetPropertyChangeListener listener) {
			super(source, StructuredViewerFiltersProperty.this, listener);
		}

		protected void hookListener() {
			synchronized (lock) {
				propertyListenerHooks.add(this);
			}
		}

		protected void unhookListener() {
			synchronized (lock) {
				propertyListenerHooks.remove(this);
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;

/**
 * @since 3.3
 * 
 */
public class CComboSingleSelectionIndexProperty extends WidgetIntValueProperty {
	/**
	 * 
	 */
	public CComboSingleSelectionIndexProperty() {
		super(new int[] { SWT.Selection, SWT.DefaultSelection });
	}

	int doGetIntValue(Object source) {
		return ((CCombo) source).getSelectionIndex();
	}

	void doSetIntValue(Object source, int value) {
		((CCombo) source).select(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.List;

/**
 * @since 3.3
 * 
 */
public class ListItemsProperty extends ControlStringListProperty {
	protected void doSetStringList(Control control, String[] list) {
		((List) control).setItems(list);
	}

	public String[] doGetStringList(Control control) {
		return ((List) control).getItems();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Control;

/**
 * @since 3.3
 * 
 */
public class ControlForegroundProperty extends WidgetValueProperty {
	/**
	 * 
	 */
	public ControlForegroundProperty() {
		super(Color.class);
	}

	public Object getValue(Object source) {
		return ((Control) source).getForeground();
	}

	public void setValue(Object source, Object value) {
		((Control) source).setForeground((Color) value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Scale;

/**
 * @since 3.3
 * 
 */
public class ScaleMinimumProperty extends WidgetIntValueProperty {
	int doGetIntValue(Object source) {
		return ((Scale) source).getMinimum();
	}

	void doSetIntValue(Object source, int value) {
		((Scale) source).setMinimum(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

/**
 * @since 3.3
 * 
 */
public abstract class WidgetStringValueProperty extends WidgetValueProperty {
	WidgetStringValueProperty(int event) {
		super(event, String.class);
	}

	WidgetStringValueProperty() {
		super(String.class);
	}

	public Object getValue(Object source) {
		return doGetStringValue(source);
	}

	public void setValue(Object source, Object value) {
		doSetStringValue(source, (String) value);
	}

	abstract String doGetStringValue(Object source);

	abstract void doSetStringValue(Object source, String value);
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Spinner;

/**
 * @since 3.3
 * 
 */
public class SpinnerMinimumProperty extends WidgetIntValueProperty {
	int doGetIntValue(Object source) {
		return ((Spinner) source).getMinimum();
	}

	void doSetIntValue(Object source, int value) {
		((Spinner) source).setMinimum(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.ItemTextProperty;

/**
 * A factory for creating properties of SWT controls.
 * 
 * @since 1.3
 */
public class ItemProperties {
	/**
	 * Returns a value property for the text of a SWT Item.
	 * 
	 * @return a value property for the text of a SWT Item
	 */
	public static IValueProperty text() {
		return new ItemTextProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Scale;

/**
 * @since 3.3
 * 
 */
public class ScaleSelectionProperty extends WidgetIntValueProperty {
	/**
	 * 
	 */
	public ScaleSelectionProperty() {
		super(SWT.Selection);
	}

	int doGetIntValue(Object source) {
		return ((Scale) source).getSelection();
	}

	void doSetIntValue(Object source, int value) {
		((Scale) source).setSelection(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValueProperty;
import org.eclipse.core.databinding.property.value.ValuePropertyListenerHook;
import org.eclipse.jface.util.Util;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Widget;

abstract class WidgetValueProperty extends ValueProperty {
	private int[] events;
	private Object valueType;

	WidgetValueProperty(Object valueType) {
		this(null, valueType);
	}

	WidgetValueProperty(int event, Object valueType) {
		this(new int[] { event }, valueType);
	}

	WidgetValueProperty(int[] events, Object valueType) {
		this.events = events;
		this.valueType = valueType;
	}

	public final Object getValueType() {
		return valueType;
	}

	public IPropertyListenerHook hookListener(Object source,
			IValuePropertyChangeListener listener) {
		return new PropertyListenerHook(source, this, listener);
	}

	static class PropertyListenerHook extends ValuePropertyListenerHook
			implements Listener {
		private Object cachedValue;

		protected PropertyListenerHook(Object source,
				WidgetValueProperty property,
				IValuePropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			WidgetValueProperty property = (WidgetValueProperty) getProperty();
			if (property.events != null) {
				for (int i = 0; i < property.events.length; i++) {
					int event = property.events[i];
					if (event != SWT.None) {
						((Widget) getSource()).addListener(event, this);
					}
				}
			}
			cachedValue = property.getValue(getSource());
		}

		protected void unhookListener() {
			WidgetValueProperty property = (WidgetValueProperty) getProperty();
			cachedValue = null;
			if (property.events != null) {
				Widget widget = (Widget) getSource();
				if (!widget.isDisposed()) {
					for (int i = 0; i < property.events.length; i++) {
						int event = property.events[i];
						if (event != SWT.None)
							widget.removeListener(event, this);
					}
				}
			}
		}

		public void handleEvent(Event event) {
			WidgetValueProperty property = (WidgetValueProperty) getProperty();
			Object oldValue = cachedValue;
			Object newValue = cachedValue = property.getValue(getSource());
			if (!Util.equals(oldValue, newValue)) {
				fireValueChange(Diffs.createValueDiff(oldValue, newValue));
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.swt;

import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.swt.TrayItemTooltipTextProperty;

/**
 * A factory for creating properties of SWT TrayItems
 * 
 * @since 1.3
 */
public class TrayItemProperties {
	/**
	 * Returns a value property for the tooltip text of a SWT TrayItems.
	 * 
	 * @return a value property for the tooltip text of a SWT TrayItems.
	 */
	public static IValueProperty tooltipText() {
		return new TrayItemTooltipTextProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Text;

/**
 * @since 3.3
 * 
 */
public class TextEditableProperty extends WidgetBooleanValueProperty {
	boolean doGetBooleanValue(Object source) {
		return ((Text) source).getEditable();
	}

	void doSetBooleanValue(Object source, boolean value) {
		((Text) source).setEditable(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.databinding.viewers;

import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.internal.databinding.viewers.SelectionProviderMultipleSelectionProperty;
import org.eclipse.jface.internal.databinding.viewers.SelectionProviderSingleSelectionProperty;

/**
 * A factory for creating properties of JFace ISelectionProviders
 * 
 * @since 1.3
 */
public class SelectionProviderProperties {
	/**
	 * Returns a value property for the single selection of a JFace
	 * ISelectionProvider.
	 * 
	 * @return a value property for the single selection of a JFace
	 *         ISelectionProvider.
	 */
	public static IValueProperty singleSelection() {
		return new SelectionProviderSingleSelectionProperty();
	}

	/**
	 * Returns a list property for the multiple selection of a JFace
	 * ISelectionProvider.
	 * 
	 * @return a list property for the multiple selection of a JFace
	 *         ISelectionProvider.
	 */
	public static IListProperty multipleSelection() {
		return new SelectionProviderMultipleSelectionProperty();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.TrayItem;

/**
 * @since 3.3
 * 
 */
public class TrayItemTooltipTextProperty extends WidgetStringValueProperty {
	String doGetStringValue(Object source) {
		return ((TrayItem) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((TrayItem) source).setText(value == null ? "" : value); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.widgets.Shell;

/**
 * @since 3.3
 * 
 */
public class ShellTextProperty extends WidgetStringValueProperty {
	String doGetStringValue(Object source) {
		return ((Shell) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((Shell) source).setText(value == null ? "" : value); //$NON-NLS-1$
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Table;

/**
 * @since 3.3
 * 
 */
public class TableSingleSelectionIndexProperty extends WidgetIntValueProperty {
	/**
	 * 
	 */
	public TableSingleSelectionIndexProperty() {
		super(new int[] { SWT.Selection, SWT.DefaultSelection });
	}

	int doGetIntValue(Object source) {
		return ((Table) source).getSelectionIndex();
	}

	void doSetIntValue(Object source, int value) {
		((Table) source).setSelection(value);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.jface.internal.databinding.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;

/**
 * @since 3.3
 * 
 */
public class CComboTextProperty extends WidgetStringValueProperty {
	/**
	 * 
	 */
	public CComboTextProperty() {
		super(SWT.Modify);
	}

	String doGetStringValue(Object source) {
		return ((CCombo) source).getText();
	}

	void doSetStringValue(Object source, String value) {
		((CCombo) source).setText(value != null ? value : ""); //$NON-NLS-1$
	}
}




import junit.framework.Test;

import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.list.ListDiff;
import org.eclipse.jface.databinding.conformance.delegate.IObservableCollectionContractDelegate;
import org.eclipse.jface.databinding.conformance.util.ChangeEventTracker;
import org.eclipse.jface.databinding.conformance.util.ListChangeEventTracker;
import org.eclipse.jface.databinding.conformance.util.SuiteBuilder;


/**
 * Mutability tests for IObservableList.
 * 

	}

	public void testAdd_ListChangeEvent() throws Exception {
		final Object element = delegate.createElement(list);
		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.add(element);
			}
		}, "List.add(Object)", list, Collections.singletonList(element));
	}

	public void testAdd_ListDiffEntry() throws Exception {
		final Object element0 = delegate.createElement(list);
		list.add(element0);
		final Object element1 = delegate.createElement(list);

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.add(element1);
			}
		}, "List.add(Object)", list, Arrays.asList(new Object[] { element0,
				element1 }));
	}

	public void testAddAtIndex_ChangeEvent() throws Exception {

	}

	public void testAddAtIndex_ListChangeEvent() throws Exception {
		final Object element = delegate.createElement(list);
		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.add(0, element);
			}
		}, "List.add(int, Object)", list, Collections.singletonList(element));
	}

	public void testAddAtIndex_ChangeEventFiredAfterElementIsAdded()

	}

	public void testAddAtIndex_ListDiffEntry() throws Exception {
		Object element0 = delegate.createElement(list);
		list.add(element0);
		final Object element1 = delegate.createElement(list);

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.add(1, element1);
			}
		}, "List.add(int, Object)", list, Arrays.asList(new Object[] {
				element0, element1 }));
	}

	public void testAddAll_ListChangeEvent() throws Exception {
		final Object element = delegate.createElement(list);
		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.addAll(Collections.singletonList(element));
						.createElement(list) }));
			}
		}, "List.addAll(Collection", list, Collections.singletonList(element));
	}

	public void testAddAll_ListDiffEntry() throws Exception {
		final Object element = delegate.createElement(list);

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.addAll(Collections.singletonList(element));
			}
		}, "List.addAll(Collection)", list, Collections.singletonList(element));
	}

	public void testAddAll_ListDiffEntry2() throws Exception {
		final Object element0 = delegate.createElement(list);
		list.add(element0);
		final Object element1 = delegate.createElement(list);

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.addAll(Collections.singletonList(element1));
			}
		}, "List.addAll(Collection)", list, Arrays.asList(new Object[] {
				element0, element1 }));
	}

	public void testAddAllAtIndex_ChangeEvent() throws Exception {

	}

	public void testAddAllAtIndex_ListChangeEvent() throws Exception {
		final Object element = delegate.createElement(list);
		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.addAll(0, Collections.singletonList(element));
						.createElement(list) }));
			}
		}, "List.addAll(int, Collection)", list, Collections
				.singletonList(element));
	}

	public void testAddAllAtIndex_ChangeEventFiredAfterElementIsAdded()

	}

	public void testAddAllAtIndex_ListDiffEntry() throws Exception {
		final Object element0 = delegate.createElement(list);
		list.add(element0);
		final Object element1 = delegate.createElement(list);

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.addAll(1, Collections.singletonList(element1));
			}
		}, "List.addAll(int, Collection)", list, Arrays.asList(new Object[] {
				element0, element1 }));
	}

	public void testSet_ChangeEvent() throws Exception {

	}

	public void testSet_ListChangeEvent() throws Exception {
		final Object element0 = delegate.createElement(list);
		list.add(element0);
		final Object element1 = delegate.createElement(list);

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.set(0, element1);
			}
		}, "List.set(int, Object)", list, Arrays
				.asList(new Object[] { element1 }));
	}

	public void testSet_ChangeEventFiredAfterElementIsSet() throws Exception {
		final Object element1 = delegate.createElement(list);
		list.add(element1);
		final Object element2 = delegate.createElement(list);


		}, "List.set(int, Object)", list, element2);
	}

	public void testSet_ListChangeEvent2() throws Exception {
		Object element0 = delegate.createElement(list);
		list.add(element0);
		Object oldElement1 = delegate.createElement(list);
		list.add(oldElement1);
		final Object newElement1 = delegate.createElement(list);

		Object newElement = delegate.createElement(list);
		list.set(1, newElement);

		ListDiffEntry[] entries = listener.event.diff.getDifferences();
		assertEquals(
				"List.set(int, Object) should result in 2 list diff entries.",
				2, entries.length);

		ListDiffEntry remove = entries[0];
		assertFalse(remove.isAddition());
		assertEquals(
				"List.set(int, Object) removed element should be the old element.",
				oldElement, remove.getElement());
		assertEquals(
				"List.set(int, Object) removed index should be the index the new element was set at.",
				1, remove.getPosition());

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.set(1, newElement1);
			}
		}, "List.set(int, Object)", list, Arrays.asList(new Object[] {
				element0, newElement1 }));
				"List.set(int, Object) add index should be the index the new element was set at.",
				1, add.getPosition());
	}

	public void testMove_ChangeEvent() throws Exception {

	}

	public void testMove_ListChangeEvent() throws Exception {
		final Object element0 = delegate.createElement(list);
		list.add(element0);
		final Object element1 = delegate.createElement(list);
		list.add(element1);

		assertListChangeEventFired(new Runnable() {
			public void run() {
				Object movedElement = list.move(0, 1);
				assertEquals(element0, movedElement);
			}
		}, "IObservableList.move(int, int)", list, Arrays.asList(new Object[] {
				element1, element0 }));
	}

	public void testMove_ChangeEventFiredAfterElementIsMoved() throws Exception {

		assertSame(element0, list.get(1));
	}

	public void testMove_ListChangeEvent2() {
		Object element0 = delegate.createElement(list);
		list.add(element0);
		Object element1 = delegate.createElement(list);
		list.add(element1);
		ListChangeEventTracker listener = ListChangeEventTracker.observe(list);

		list.move(0, 1);

		ListDiffEntry[] entries = listener.event.diff.getDifferences();
		assertEquals(
				"List.set(int, Object) should result in 2 list diff entries.",
				2, entries.length);

		ListDiffEntry remove = entries[0];
		ListDiffEntry add = entries[1];
		assertFalse(
				"IObservableList.move(int, int) removed element should be first in list diff",
				remove.isAddition());
		assertTrue(
				"IObservableList.move(int, int) added element should be second in list diff",
				add.isAddition());

		assertEquals(
				"IObservableList.move(int, int) remove entry contains incorrect element",
				element, remove.getElement());
		assertEquals(
				"IObservableList.move(int, int) add entry contains incorrect element",
				element, add.getElement());

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.move(0, 1);
			}
		}, "IObservableList.move(int, int)", list, Arrays.asList(new Object[] {
				element1, element0 }));
	}

	public void testRemove_ListChangeEvent() throws Exception {

			public void run() {
				list.remove(element);
			}
		}, "List.remove(Object)", list, Collections.EMPTY_LIST);
	}

	public void testRemove_ListDiffEntry() throws Exception {
		final Object element0 = delegate.createElement(list);
		list.add(element0);
		final Object element1 = delegate.createElement(list);
		list.add(element1);

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.remove(element1);
			}
		}, "List.remove(Object)", list, Collections.singletonList(element0));
	}

	public void testRemoveAtIndex_ChangeEvent() throws Exception {

			public void run() {
				list.remove(0);
			}
		}, "List.remove(int)", list, Collections.EMPTY_LIST);
	}

	public void testRemoveAtIndex_ChangeEventFiredAfterElementIsRemoved()

	}

	public void testRemoveAtIndex_ListDiffEntry() throws Exception {
		Object element0 = delegate.createElement(list);
		list.add(element0);
		Object element1 = delegate.createElement(list);
		list.add(element1);

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.remove(1);
			}
		}, "List.remove(int)", list, Collections.singletonList(element0));
	}

	public void testRemoveAll_ListChangeEvent() throws Exception {


		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.removeAll(Collections.singletonList(element));
			}
		}, "List.removeAll(Collection)", list, Collections.EMPTY_LIST);
	}

	public void testRemoveAll_ListDiffEntry() throws Exception {
		final Object element = delegate.createElement(list);
		list.add(element);

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.removeAll(Collections.singletonList(element));
			}
		}, "List.removeAll(Collection)", list, Collections.EMPTY_LIST);
	}

	public void testRemoveAll_ListDiffEntry2() throws Exception {
		final Object element0 = delegate.createElement(list);
		list.add(element0);
		final Object element1 = delegate.createElement(list);
		list.add(element1);

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.removeAll(Arrays.asList(new Object[] { element1 }));
			}
		}, "List.removeAll(Collection)", list, Collections
				.singletonList(element0));
	}

	public void testRetainAll_ListChangeEvent() throws Exception {
		final Object element0 = delegate.createElement(list);
		list.add(element0);
		list.add(delegate.createElement(list));

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.retainAll(Arrays.asList(new Object[] { element0 }));
			}
		}, "List.retainAll(Collection", list, Collections
				.singletonList(element0));
	}

	public void testRetainAll_ListDiffEntry() throws Exception {
		final Object element = delegate.createElement(list);
		list.add(element);
		list.add(delegate.createElement(list));
		list.add(element2);

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.retainAll(Arrays.asList(new Object[] { element }));
			}
		}, "List.retainAll(Collection)", list, Collections
				.singletonList(element));
	}

	public void testClear_ListChangeEvent() throws Exception {

			public void run() {
				list.clear();
			}
		}, "List.clear()", list, Collections.EMPTY_LIST);
	}

	public void testClear_ListDiffEntry() throws Exception {
		list.add(delegate.createElement(list));
		list.add(element);

		assertListChangeEventFired(new Runnable() {
			public void run() {
				list.clear();
			}
		}, "List.clear()", list, Collections.EMPTY_LIST);
	}

	public void testClear_ClearsList() {

		Assert.assertEquals(Collections.EMPTY_LIST, list);
	}

	/**
	 * Asserts standard behaviors of firing list change events.
	 * <ul>
	 * <li>Event fires once.</li>
	 * <li>Source of the event is the provided <code>list</code>.
	 * <li>The list change event is fired after the change event.</li>
	 * </ul>
	 * 
	 * @param runnable
	 * @param methodName
	 * @param list
	 */
	private void assertListChangeEventFired(Runnable runnable,
			String methodName, IObservableList list, List newList) {
		List oldList = new ArrayList(list);

		List queue = new ArrayList();
		ListChangeEventTracker listListener = new ListChangeEventTracker(queue);
		ChangeEventTracker changeListener = new ChangeEventTracker(queue);


		runnable.run();

		assertEquals(formatFail(methodName
				+ " should fire one ListChangeEvent."), 1, listListener.count);
		assertEquals(formatFail(methodName
				+ "'s change event observable should be the created List."),
				list, listListener.event.getObservable());

		assertEquals(
				formatFail("Two notifications should have been received."), 2,
				queue.size());
		assertEquals("ChangeEvent of " + methodName
				+ " should have fired before the ListChangeEvent.",
				changeListener, queue.get(0));
		assertEquals("ListChangeEvent of " + methodName
				+ " should have fired after the ChangeEvent.", listListener,
				queue.get(1));
	}

	/**
	 * Asserts the list diff entry for a remove operation.
	 * 
	 * @param runnable
	 * @param methodName
	 * @param list
	 * @param element
	 * @param index
	 */
	private void assertRemoveDiffEntry(Runnable runnable, String methodName,
			IObservableList list, Object element, int index) {
		ListChangeEventTracker listener = new ListChangeEventTracker();
		list.addListChangeListener(listener);

		assertEquals(formatFail(methodName
				+ " did not leave observable list with the expected contents"),
				newList, list);

		ListDiff diff = listListener.event.diff;
		diff.applyTo(oldList);
				entries.length);

		ListDiffEntry entry = entries[0];
		assertFalse(methodName
				+ " should result in a diff entry that is an removal.", entry
				.isAddition());
		assertEquals(methodName
				+ " remove diff entry should have removed the element.",
				element, entry.getElement());
		assertEquals(
				formatFail(methodName
						+ " fired a diff which does not represent the expected list change"),
				newList, oldList);
	}

	/**
	 * Asserts the list diff entry for an add operation.
	 * 
	 * @param runnable
	 * @param methodName
	 * @param list
	 * @param element
	 * @param index
	 */
	private void assertAddDiffEntry(Runnable runnable, String methodName,
			IObservableList list, Object element, int index) {
		ListChangeEventTracker listener = new ListChangeEventTracker();
		list.addListChangeListener(listener);

		runnable.run();

		ListDiffEntry[] entries = listener.event.diff.getDifferences();
		assertEquals(methodName + " should result in one diff entry.", 1,
				entries.length);

		ListDiffEntry entry = entries[0];
		assertTrue(methodName
				+ " should result in a diff entry that is an addition.", entry
				.isAddition());
		assertEquals(methodName
				+ " add diff entry should have added the element.", element,
				entry.getElement());
		assertEquals(
				methodName
						+ "add diff entry should have added the element at the provided index.",
				index, entry.getPosition());
	}

	public static Test suite(IObservableCollectionContractDelegate delegate) {




 * 
 * @since 3.2
 */
public class MutableObservableValueContractTest extends ObservableDelegateTest {
		ObservableDelegateTest {
	private IObservableValueContractDelegate delegate;

	private IObservableValue observable;


	public void testSetValue_SetsValue() throws Exception {
		Object value = delegate.createValue(observable);

		observable.setValue(value);
		assertEquals(
				formatFail("IObservableValue.setValue(Object) should set the value of the observable."),
				value, observable.getValue());
	}

	public void testSetValue_ChangeEvent() throws Exception {
		ChangeEventTracker listener = ChangeEventTracker.observe(observable);

		observable.setValue(delegate.createValue(observable));

		assertEquals(formatFail("Change event listeners were not notified"), 1,
		assertEquals(formatFail("IObservableValue.setValue(Object) should fire one ChangeEvent."), 1,
				listener.count);
		assertEquals(
				formatFail("IObservableValue.setValue(Object) should fire one ChangeEvent."),
				1, listener.count);
		assertEquals(
				formatFail("IObservableValue.setValue(Object)'s change event observable should be the created observable."),
				observable, listener.event.getObservable());
	}

	public void testSetValue_SameValue() throws Exception {
		// invoke change to ensure observable has a value
		delegate.change(observable);

		ValueChangeEventTracker valueChangeListener = ValueChangeEventTracker
				.observe(observable);
		ChangeEventTracker changeListener = ChangeEventTracker
				.observe(observable);
		Object value = observable.getValue();
		observable.setValue(value);


				formatFail("IObservableValue.setValue() should not fire a change event when the value has not change."),
				0, changeListener.count);
	}

	public void testSetValue_RealmChecks() throws Exception {
		RealmTester.exerciseCurrent(new Runnable() {
			public void run() {




import java.util.Set;

import org.eclipse.core.databinding.observable.AbstractObservable;
import org.eclipse.core.databinding.observable.ChangeSupport;
import org.eclipse.core.databinding.observable.ObservableTracker;
import org.eclipse.core.databinding.observable.Realm;


 * 
 * @since 1.0
 */
public abstract class AbstractObservableSet extends AbstractObservable
		implements IObservableSet {

	private ChangeSupport changeSupport;

	private boolean stale = false;

	protected AbstractObservableSet() {
		this(Realm.getDefault());
	}

	protected void firstListenerAdded() {
		super.firstListenerAdded();
	}

	protected void lastListenerRemoved() {
		super.lastListenerRemoved();
	}

	protected AbstractObservableSet(Realm realm) {
		super(realm);
		changeSupport = new ChangeSupport(realm){
			protected void firstListenerAdded() {
				AbstractObservableSet.this.firstListenerAdded();
			}
			protected void lastListenerRemoved() {
				AbstractObservableSet.this.lastListenerRemoved();
			}
		};
	}

	public synchronized void addSetChangeListener(ISetChangeListener listener) {
		addListener(SetChangeEvent.TYPE, listener);
	}

	public synchronized void removeSetChangeListener(ISetChangeListener listener) {
		removeListener(SetChangeEvent.TYPE, listener);
	}

	protected abstract Set getWrappedSet();

	protected void fireSetChange(SetDiff diff) {
		// fire general change event first
		super.fireChange();

		fireEvent(new SetChangeEvent(this, diff));
	}

	public boolean contains(Object o) {
		getterCalled();
		return getWrappedSet().contains(o);

		}
	}


	protected void fireChange() {
		throw new RuntimeException(
				"fireChange should not be called, use fireSetChange() instead"); //$NON-NLS-1$
	
	/* (non-Javadoc)
	 * @see org.eclipse.jface.provisional.databinding.observable.AbstractObservable#dispose()
	 */
	public synchronized void dispose() {
		super.dispose();
		
		if (changeSupport != null) {
			changeSupport.dispose();
			changeSupport = null;
		}
	}
	
}

Lines 7-13 Link Here

(-)src/org/eclipse/core/databinding/observable/set/SetDiff.java (-1 / +1 lines)
7	*	7	*
8	* Contributors:	8	* Contributors:
9	* IBM Corporation - initial API and implementation	9	* IBM Corporation - initial API and implementation
10	* Matthew Hall - bug 251884	10	* Matthew Hall - bug 251884, 194734
11	*******************************************************************************/	11	*******************************************************************************/
12		12
13	package org.eclipse.core.databinding.observable.set;	13	package org.eclipse.core.databinding.observable.set;

Lines 21-26 Link Here

(-)src/org/eclipse/core/databinding/observable/map/ComputedObservableMap.java (-4 / +18 lines)
21	import java.util.Set;	21	import java.util.Set;
22		22
23	import org.eclipse.core.databinding.observable.Diffs;	23	import org.eclipse.core.databinding.observable.Diffs;
		24	import org.eclipse.core.databinding.observable.IStaleListener;
		25	import org.eclipse.core.databinding.observable.StaleEvent;
24	import org.eclipse.core.databinding.observable.set.IObservableSet;	26	import org.eclipse.core.databinding.observable.set.IObservableSet;
25	import org.eclipse.core.databinding.observable.set.ISetChangeListener;	27	import org.eclipse.core.databinding.observable.set.ISetChangeListener;
26	import org.eclipse.core.databinding.observable.set.SetChangeEvent;	28	import org.eclipse.core.databinding.observable.set.SetChangeEvent;
Lines 32-38 Link Here
32	public abstract class ComputedObservableMap extends AbstractObservableMap {	34	public abstract class ComputedObservableMap extends AbstractObservableMap {
33		35
34	private IObservableSet keySet;	36	private IObservableSet keySet;
35		37
36	private Object valueType;	38	private Object valueType;
37		39
38	private ISetChangeListener setChangeListener = new ISetChangeListener() {	40	private ISetChangeListener setChangeListener = new ISetChangeListener() {
Lines 60-65 Link Here
60	}	62	}
61	};	63	};
62		64
		65	private IStaleListener staleListener = new IStaleListener() {
		66	public void handleStale(StaleEvent staleEvent) {
		67	fireStale();
		68	}
		69	};
		70
63	private Set entrySet = new EntrySet();	71	private Set entrySet = new EntrySet();
64		72
65	private class EntrySet extends AbstractSet {	73	private class EntrySet extends AbstractSet {
Lines 110-117 Link Here
110	}	118	}
111		119
112	/**	120	/**
113	* @param keySet	121	* @param keySet
114	* @param valueType	122	* @param valueType
115	* @since 1.2	123	* @since 1.2
116	*/	124	*/
117	public ComputedObservableMap(IObservableSet keySet, Object valueType) {	125	public ComputedObservableMap(IObservableSet keySet, Object valueType) {
Lines 137-142 Link Here
137	private void hookListeners() {	145	private void hookListeners() {
138	if (keySet != null) {	146	if (keySet != null) {
139	keySet.addSetChangeListener(setChangeListener);	147	keySet.addSetChangeListener(setChangeListener);
		148	keySet.addStaleListener(staleListener);
140	for (Iterator it = this.keySet.iterator(); it.hasNext();) {	149	for (Iterator it = this.keySet.iterator(); it.hasNext();) {
141	Object key = it.next();	150	Object key = it.next();
142	hookListener(key);	151	hookListener(key);
Lines 147-152 Link Here
147	private void unhookListeners() {	156	private void unhookListeners() {
148	if (keySet != null) {	157	if (keySet != null) {
149	keySet.removeSetChangeListener(setChangeListener);	158	keySet.removeSetChangeListener(setChangeListener);
		159	keySet.removeStaleListener(staleListener);
150	Object[] keys = keySet.toArray();	160	Object[] keys = keySet.toArray();
151	for (int i = 0; i < keys.length; i++) {	161	for (int i = 0; i < keys.length; i++) {
152	unhookListener(keys[i]);	162	unhookListener(keys[i]);
Lines 170-176 Link Here
170	public Set entrySet() {	180	public Set entrySet() {
171	return entrySet;	181	return entrySet;
172	}	182	}
173		183
174	public Set keySet() {	184	public Set keySet() {
175	return keySet;	185	return keySet;
176	}	186	}
Lines 210-215 Link Here
210	*/	220	*/
211	protected abstract Object doPut(Object key, Object value);	221	protected abstract Object doPut(Object key, Object value);
212		222
		223	public boolean isStale() {
		224	return super.isStale() \|\| keySet.isStale();
		225	}
		226
213	public synchronized void dispose() {	227	public synchronized void dispose() {
214	unhookListeners();	228	unhookListeners();
215	entrySet = null;	229	entrySet = null;

Lines 7-13 Link Here

(-)src/org/eclipse/core/databinding/observable/map/MapDiff.java (-1 / +1 lines)
7	*	7	*
8	* Contributors:	8	* Contributors:
9	* IBM Corporation - initial API and implementation	9	* IBM Corporation - initial API and implementation
10	* Matthew Hall - bug 251884	10	* Matthew Hall - bug 251884, 194734
11	*******************************************************************************/	11	*******************************************************************************/
12		12
13	package org.eclipse.core.databinding.observable.map;	13	package org.eclipse.core.databinding.observable.map;

Lines 7-13 Link Here

(-)src/org/eclipse/core/databinding/observable/list/ListDiff.java (-1 / +1 lines)
7	*	7	*
8	* Contributors:	8	* Contributors:
9	* IBM Corporation - initial API and implementation	9	* IBM Corporation - initial API and implementation
10	* Matthew Hall - bug 208858, 251884	10	* Matthew Hall - bug 208858, 251884, 194734
11	*******************************************************************************/	11	*******************************************************************************/
12		12
13	package org.eclipse.core.databinding.observable.list;	13	package org.eclipse.core.databinding.observable.list;




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.value;

import org.eclipse.core.databinding.property.IProperty;
import org.eclipse.core.databinding.property.IPropertyListenerHook;

/**
 * Interface for value-typed properties
 * 
 * @since 1.2
 * @noimplement This interface is not intended to be implemented by clients.
 */
public interface IValueProperty extends IProperty {
	/**
	 * Returns the source's value property
	 * 
	 * @param source
	 *            the property source
	 * @return the current value of the source's value property
	 */
	public Object getValue(Object source);

	/**
	 * Sets the source's value property to the specified value
	 * 
	 * @param source
	 *            the property source
	 * @param value
	 *            the new value
	 */
	public void setValue(Object source, Object value);

	/**
	 * Returns the value type of the property, or <code>null</code> if untyped.
	 * 
	 * @return the value type of the property, or <code>null</code> if untyped.
	 */
	public Object getValueType();

	/**
	 * Registers the specified value property change listener to be notified
	 * when a property change event is fired from the given property source.
	 * 
	 * @param source
	 *            the property source
	 * @param listener
	 *            the listener to adapt
	 * @return a listener context for unhooking the change listener when it is
	 *         no longer needed
	 */
	public IPropertyListenerHook hookListener(Object source,
			IValuePropertyChangeListener listener);
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.set;

import org.eclipse.core.databinding.property.IPropertyChangeListener;

/**
 * Listener for changes to set properties on a property source
 * 
 * @since 1.2
 */
public interface ISetPropertyChangeListener extends IPropertyChangeListener {
	/**
	 * Handle a change to a set property on a specific property source.
	 * 
	 * @param event
	 *            an event describing the set change that occured.
	 */
	public void handleSetPropertyChange(SetPropertyChangeEvent event);
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.observable;

import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import java.util.Set;

import org.eclipse.core.databinding.observable.ObservableTracker;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.map.AbstractObservableMap;
import org.eclipse.core.databinding.property.IProperty;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.IPropertyObservable;
import org.eclipse.core.databinding.property.map.IMapProperty;
import org.eclipse.core.databinding.property.map.IMapPropertyChangeListener;
import org.eclipse.core.databinding.property.map.MapPropertyChangeEvent;

/**
 * @since 3.3
 * 
 */
public class PropertyObservableMap extends AbstractObservableMap implements
		IPropertyObservable {
	private Object source;
	private IMapProperty property;

	private volatile boolean updating = false;

	private transient volatile int modCount = 0;

	private IPropertyListenerHook listenerHook;

	/**
	 * @param realm
	 * @param source
	 * @param property
	 */
	public PropertyObservableMap(Realm realm, Object source,
			IMapProperty property) {
		super(realm);
		this.source = source;
		this.property = property;
	}

	private void getterCalled() {
		ObservableTracker.getterCalled(this);
	}

	protected void firstListenerAdded() {
		if (!isDisposed()) {
			IMapPropertyChangeListener listener = new IMapPropertyChangeListener() {
				public void handleMapPropertyChange(
						final MapPropertyChangeEvent event) {
					if (!isDisposed() && !updating) {
						getRealm().exec(new Runnable() {
							public void run() {
								modCount++;
								fireMapChange(event.diff);
							}
						});
					}
				}
			};
			listenerHook = property.hookListener(source, listener);
		}
	}

	protected void lastListenerRemoved() {
		if (listenerHook != null) {
			listenerHook.dispose();
			listenerHook = null;
		}
	}

	public boolean containsKey(Object key) {
		getterCalled();
		return property.containsKey(source, key);
	}

	public boolean containsValue(Object value) {
		getterCalled();
		return property.containsValue(source, value);
	}

	public Set entrySet() {
		getterCalled();
		// unmodifiable for now
		return Collections.unmodifiableSet(property.getMap(source).entrySet());
	}

	public Object get(Object key) {
		getterCalled();
		return property.get(source, key);
	}

	public boolean isEmpty() {
		getterCalled();
		return property.isEmpty(source);
	}

	public Set keySet() {
		getterCalled();
		return Collections.unmodifiableSet(property.getMap(source).keySet());
	}

	public Object put(Object key, Object value) {
		checkRealm();
		return property.put(source, key, value);
	}

	public void putAll(Map m) {
		checkRealm();
		property.putAll(source, m);
	}

	public Object remove(Object key) {
		checkRealm();
		return property.remove(source, key);
	}

	public int size() {
		getterCalled();
		return property.size(source);
	}

	public Collection values() {
		getterCalled();
		return Collections.unmodifiableCollection(property.getMap(source)
				.values());
	}

	public void clear() {
		getterCalled();
		property.clear(source);
	}

	public boolean equals(Object o) {
		getterCalled();
		return property.equals(source, o);
	}

	public int hashCode() {
		getterCalled();
		return property.hashCode(source);
	}

	public Object getObserved() {
		return source;
	}

	public IProperty getProperty() {
		return property;
	}

	public synchronized void dispose() {
		if (listenerHook != null) {
			listenerHook.dispose();
			listenerHook = null;
		}
		property = null;
		source = null;
		super.dispose();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation
 ******************************************************************************/

package org.eclipse.core.databinding.property.set;

import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.set.SetDiff;

/**
 * Simplified abstract implementation of ISetProperty. This class takes care of
 * most of the functional requirements for an ISetProperty implementation,
 * leaving only the property-specific details to subclasses.
 * <p>
 * Subclasses must implement these methods:
 * <ul>
 * <li>{@link #getElementType()}
 * <li>{@link #getSet(Object)}
 * <li>{@link #setSet(Object, Set, SetDiff)}
 * </ul>
 * 
 * @since 1.2
 */
public abstract class SimpleSetProperty extends SetProperty {
	/**
	 * Updates the property on the source with the specified change.
	 * 
	 * @param source
	 *            the property source
	 * @param set
	 *            the new set
	 * @param diff
	 *            a diff describing the change
	 */
	protected abstract void setSet(Object source, Set set, SetDiff diff);

	public boolean add(Object source, Object o) {
		Set set = getSet(source);
		if (!set.contains(o)) {
			set = new HashSet(set);
			boolean added = set.add(o);
			if (added) {
				setSet(source, set, Diffs.createSetDiff(Collections
						.singleton(o), Collections.EMPTY_SET));
			}
			return added;
		}
		return false;
	}

	public boolean addAll(Object source, Collection c) {
		if (c.isEmpty())
			return false;

		Set set = getSet(source);
		Set additions = new HashSet();
		for (Iterator it = c.iterator(); it.hasNext();) {
			Object o = it.next();
			if (!set.contains(o)) {
				additions.add(o);
			}
		}
		boolean changed = !additions.isEmpty();
		if (changed) {
			set = new HashSet(set);
			set.addAll(additions);

			setSet(source, set, Diffs.createSetDiff(additions,
					Collections.EMPTY_SET));
		}
		return changed;
	}

	public void clear(Object source) {
		if (!isEmpty(source)) {
			setSet(source, new HashSet(), Diffs.createSetDiff(
					Collections.EMPTY_SET, getSet(source)));
		}
	}

	public boolean remove(Object source, Object o) {
		Set set = getSet(source);
		if (set.contains(o)) {
			set = new HashSet(set);
			boolean removed = set.remove(o);
			if (removed) {
				setSet(source, set, Diffs.createSetDiff(Collections.EMPTY_SET,
						Collections.singleton(o)));
			}
			return removed;
		}
		return false;
	}

	public boolean removeAll(Object source, Collection c) {
		if (c.isEmpty())
			return false;

		Set set = new HashSet(getSet(source));
		Set removals = new HashSet();
		for (Iterator it = set.iterator(); it.hasNext();) {
			Object o = it.next();
			if (c.contains(o)) {
				removals.add(o);
				it.remove();
			}
		}
		boolean changed = !removals.isEmpty();
		if (changed) {
			setSet(source, set, Diffs.createSetDiff(Collections.EMPTY_SET,
					removals));
		}
		return changed;
	}

	public boolean retainAll(Object source, Collection c) {
		if (isEmpty(source))
			return false;
		if (c.isEmpty()) {
			clear(source);
			return true;
		}

		Set set = new HashSet(getSet(source));
		Set removals = new HashSet();
		for (Iterator it = set.iterator(); it.hasNext();) {
			Object o = it.next();
			if (!c.contains(o)) {
				removals.add(o);
				it.remove();
			}
		}
		boolean changed = !removals.isEmpty();
		if (changed) {
			setSet(source, set, Diffs.createSetDiff(Collections.EMPTY_SET,
					removals));
		}
		return changed;
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.list;

import java.util.Collection;
import java.util.List;

import org.eclipse.core.databinding.property.ICollectionProperty;
import org.eclipse.core.databinding.property.IPropertyListenerHook;

/**
 * Interface for list-typed properties.
 * 
 * @since 1.2
 * @noimplement This interface is not intended to be implemented by clients.
 */
public interface IListProperty extends ICollectionProperty {
	/**
	 * Returns a List with the current contents of the source's list property
	 * 
	 * @param source
	 *            the property source
	 * @return a List with the current contents of the source's list property
	 */
	List getList(Object source);

	/**
	 * Inserts all elements in the specified collection into the source's list
	 * property at the specified index.
	 * 
	 * @param source
	 *            the property source
	 * @param index
	 *            the insertion index
	 * @param c
	 *            the collection of elements to add
	 * @return whether the source's list property was changed
	 */
	boolean addAll(Object source, int index, Collection c);

	/**
	 * Returns the element at the specified position in the source's list
	 * property
	 * 
	 * @param source
	 *            the property source
	 * @param index
	 *            the element position
	 * @return the element at the given position in the source's list property
	 */
	Object get(Object source, int index);

	/**
	 * Replaces the element at the specified position in the source's list
	 * property with the given element.
	 * 
	 * @param source
	 *            the property source
	 * @param index
	 *            the element position
	 * @param element
	 *            the replacement element
	 * @return the element previously at the specified position in the source's
	 *         list property
	 */
	Object set(Object source, int index, Object element);

	/**
	 * Moves the element at the specified old position in the source's list
	 * property to the specified new position
	 * 
	 * @param source
	 *            the property source
	 * @param oldIndex
	 *            the old element position
	 * @param newIndex
	 *            the new element position
	 * @return the element that was moved
	 */
	Object move(Object source, int oldIndex, int newIndex);

	/**
	 * Inserts the element into the source's list property at the specified
	 * position
	 * 
	 * @param source
	 *            the property source
	 * @param index
	 *            the insertion index
	 * @param element
	 *            the element to insert
	 */
	void add(Object source, int index, Object element);

	/**
	 * Removes the element from the source's list property which is located at
	 * the specified position
	 * 
	 * @param source
	 *            the property source
	 * @param index
	 *            the index of the element to remove
	 * @return the element that was removed from the source's list property
	 */
	Object remove(Object source, int index);

	/**
	 * Returns the index of the first location of the given element in the
	 * source's list property, or -1 if the list does not contain the element.
	 * 
	 * @param source
	 *            the property source
	 * @param o
	 *            the element
	 * @return the index of the first location of the given element in the
	 *         source's list property, or -1 if the list does not contain the
	 *         element
	 */
	int indexOf(Object source, Object o);

	/**
	 * Returns the index of the last location of the given element in the
	 * source's list property, or -1 if the list does not contain the given
	 * element.
	 * 
	 * @param source
	 * @param o
	 * @return the index of the last location of the given element in the
	 *         source's list property, or -1 if the list does not contain the
	 *         element
	 */
	int lastIndexOf(Object source, Object o);

	/**
	 * Registers the specified list property change listener to be notified when
	 * a property change event is fired from the given property source.
	 * 
	 * @param source
	 *            the property source
	 * @param listener
	 *            the listener to adapt
	 * @return a listener context for unhooking the change listener when it is
	 *         no longer needed
	 */
	public IPropertyListenerHook hookListener(Object source,
			IListPropertyChangeListener listener);
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.value;

import org.eclipse.core.databinding.observable.value.ValueDiff;
import org.eclipse.core.databinding.property.PropertyListenerHook;

/**
 * @since 1.2
 */
public abstract class ValuePropertyListenerHook extends PropertyListenerHook {
	private final IValueProperty property;
	private final IValuePropertyChangeListener listener;

	/**
	 * @param source
	 * @param property
	 * @param listener
	 */
	protected ValuePropertyListenerHook(Object source, IValueProperty property,
			IValuePropertyChangeListener listener) {
		super(source, property, listener);
		this.property = property;
		this.listener = listener;
	}

	protected final void fireValueChange(ValueDiff diff) {
		listener.handleValuePropertyChange(new ValuePropertyChangeEvent(
				getSource(), property, diff));
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.property;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValueProperty;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;
import org.eclipse.core.databinding.property.value.ValuePropertyListenerHook;

/**
 * @since 1.2
 * 
 */
public class ValuePropertyDetailValue extends ValueProperty implements
		IValueProperty {
	private IValueProperty masterProperty;
	private IValueProperty detailProperty;

	/**
	 * @param masterProperty
	 * @param detailProperty
	 */
	public ValuePropertyDetailValue(IValueProperty masterProperty,
			IValueProperty detailProperty) {
		this.masterProperty = masterProperty;
		this.detailProperty = detailProperty;
	}

	public Object getValue(Object source) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.getValue(masterValue);
	}

	public Object getValueType() {
		return detailProperty.getValueType();
	}

	public void setValue(Object source, Object value) {
		Object masterValue = masterProperty.getValue(source);
		detailProperty.setValue(masterValue, value);
	}

	public IPropertyListenerHook hookListener(Object source,
			IValuePropertyChangeListener listener) {
		return new PropertyListenerHook(source, listener);
	}

	private class PropertyListenerHook extends ValuePropertyListenerHook {
		private IValuePropertyChangeListener masterListener;
		private IValuePropertyChangeListener detailListener;

		private IPropertyListenerHook masterListenerHook;
		private IPropertyListenerHook detailListenerHook;

		private PropertyListenerHook(Object source,
				IValuePropertyChangeListener listener) {
			super(source, ValuePropertyDetailValue.this, listener);
		}

		protected void hookListener() {
			masterListener = new IValuePropertyChangeListener() {
				public void handleValuePropertyChange(
						ValuePropertyChangeEvent event) {
					Object oldDetailSource = event.diff.getOldValue();
					Object newDetailSource = event.diff.getNewValue();

					unhookDetailListener();
					hookDetailListener(newDetailSource);

					Object oldValue = detailProperty.getValue(oldDetailSource);
					Object newValue = detailProperty.getValue(newDetailSource);
					fireValueChange(Diffs.createValueDiff(oldValue, newValue));
				}
			};

			detailListener = new IValuePropertyChangeListener() {
				public void handleValuePropertyChange(
						ValuePropertyChangeEvent event) {
					fireValueChange(event.diff);
				}
			};

			masterListenerHook = masterProperty.hookListener(getSource(),
					masterListener);
			hookDetailListener(masterProperty.getValue(getSource()));
		}

		protected void unhookListener() {
			masterListenerHook.dispose();
			masterListenerHook = null;

			unhookDetailListener();

			masterListener = null;
			detailListener = null;
		}

		private void hookDetailListener(Object detailSource) {
			detailListenerHook = detailProperty.hookListener(detailSource,
					detailListener);
		}

		private void unhookDetailListener() {
			detailListenerHook.dispose();
			detailListenerHook = null;
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.observable;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.ConcurrentModificationException;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;

import org.eclipse.core.databinding.observable.ObservableTracker;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.list.AbstractObservableList;
import org.eclipse.core.databinding.property.IProperty;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.IPropertyObservable;
import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.list.IListPropertyChangeListener;
import org.eclipse.core.databinding.property.list.ListPropertyChangeEvent;

/**
 * @since 3.3
 * 
 */
public class PropertyObservableList extends AbstractObservableList implements
		IPropertyObservable {
	private Object source;
	private IListProperty property;

	private volatile boolean updating = false;

	private transient volatile int modCount = 0;

	private IPropertyListenerHook listenerHook;

	/**
	 * @param realm
	 * @param source
	 * @param property
	 */
	public PropertyObservableList(Realm realm, Object source,
			IListProperty property) {
		super(realm);
		this.source = source;
		this.property = property;
	}

	protected void firstListenerAdded() {
		if (!isDisposed()) {
			IListPropertyChangeListener listener = new IListPropertyChangeListener() {
				public void handleListPropertyChange(
						final ListPropertyChangeEvent event) {
					if (!isDisposed() && !updating) {
						getRealm().exec(new Runnable() {
							public void run() {
								modCount++;
								fireListChange(event.diff);
							}
						});
					}
				}
			};
			listenerHook = property.hookListener(source, listener);
		}
	}

	protected void lastListenerRemoved() {
		if (listenerHook != null) {
			listenerHook.dispose();
			listenerHook = null;
		}
	}

	private void getterCalled() {
		ObservableTracker.getterCalled(this);
	}

	public Object getElementType() {
		return property.getElementType();
	}

	// Queries

	protected int doGetSize() {
		return property.size(source);
	}

	public boolean contains(Object o) {
		getterCalled();
		return property.contains(source, o);
	}

	public boolean containsAll(Collection c) {
		getterCalled();
		return property.containsAll(source, c);
	}

	public Object get(int index) {
		getterCalled();
		return property.get(source, index);
	}

	public int indexOf(Object o) {
		getterCalled();
		return property.indexOf(source, o);
	}

	public boolean isEmpty() {
		getterCalled();
		return property.isEmpty(source);
	}

	public int lastIndexOf(Object o) {
		getterCalled();
		return property.lastIndexOf(source, o);
	}

	public Object[] toArray() {
		getterCalled();
		return property.toArray(source);
	}

	public Object[] toArray(Object[] a) {
		getterCalled();
		return property.toArray(source, a);
	}

	// Single change operations

	public boolean add(Object o) {
		checkRealm();
		return property.add(source, o);
	}

	public Iterator iterator() {
		getterCalled();
		return new Iterator() {
			int lastReturned = -1;
			int expectedModCount = modCount;
			ListIterator delegate = new ArrayList(property.getList(source))
					.listIterator();

			public boolean hasNext() {
				getterCalled();
				checkForComodification();
				return delegate.hasNext();
			}

			public Object next() {
				getterCalled();
				checkForComodification();
				Object next = delegate.next();
				lastReturned = delegate.previousIndex();
				return next;
			}

			public void remove() {
				checkRealm();
				checkForComodification();
				if (lastReturned == -1)
					throw new IllegalStateException();

				delegate.remove(); // stay in sync

				property.remove(source, lastReturned);

				lastReturned = -1;
				expectedModCount = modCount;
			}

			private void checkForComodification() {
				if (expectedModCount != modCount)
					throw new ConcurrentModificationException();
			}
		};
	}

	public Object move(int oldIndex, int newIndex) {
		getterCalled();
		return property.move(source, oldIndex, newIndex);
	}

	public boolean remove(Object o) {
		getterCalled();
		return property.remove(source, o);
	}

	public void add(int index, Object o) {
		getterCalled();
		property.add(source, index, o);
	}

	public ListIterator listIterator() {
		return listIterator(0);
	}

	public ListIterator listIterator(final int index) {
		getterCalled();
		return new ListIterator() {
			int lastReturned = -1;
			int expectedModCount = modCount;
			ListIterator delegate = new ArrayList(property.getList(source))
					.listIterator(index);

			public boolean hasNext() {
				getterCalled();
				checkForComodification();
				return delegate.hasNext();
			}

			public int nextIndex() {
				getterCalled();
				checkForComodification();
				return delegate.nextIndex();
			}

			public Object next() {
				getterCalled();
				checkForComodification();
				Object next = delegate.next();
				lastReturned = delegate.previousIndex();
				return next;
			}

			public boolean hasPrevious() {
				getterCalled();
				checkForComodification();
				return delegate.hasPrevious();
			}

			public int previousIndex() {
				getterCalled();
				checkForComodification();
				return delegate.previousIndex();
			}

			public Object previous() {
				getterCalled();
				checkForComodification();
				Object previous = delegate.previous();
				lastReturned = delegate.nextIndex();
				return previous;
			}

			public void add(Object o) {
				checkRealm();
				checkForComodification();
				int index = delegate.nextIndex();

				delegate.add(o); // keep in sync

				property.add(source, index, o);

				lastReturned = -1;
				expectedModCount = modCount;
			}

			public void set(Object o) {
				checkRealm();
				checkForComodification();

				delegate.set(o);

				property.set(source, lastReturned, o);

				expectedModCount = modCount;
			}

			public void remove() {
				checkRealm();
				checkForComodification();
				if (lastReturned == -1)
					throw new IllegalStateException();

				delegate.remove(); // keep in sync

				property.remove(source, lastReturned);

				lastReturned = -1;
				expectedModCount = modCount;
			}

			private void checkForComodification() {
				if (expectedModCount != modCount)
					throw new ConcurrentModificationException();
			}

		};
	}

	public Object remove(int index) {
		getterCalled();
		return property.remove(source, index);
	}

	public Object set(int index, Object o) {
		getterCalled();
		return property.set(source, index, o);
	}

	public List subList(int fromIndex, int toIndex) {
		getterCalled();
		return Collections.unmodifiableList(property.getList(source).subList(
				fromIndex, toIndex));
	}

	// Bulk change operations

	public boolean addAll(Collection c) {
		getterCalled();
		return property.addAll(source, c);
	}

	public boolean addAll(int index, Collection c) {
		getterCalled();
		return property.addAll(source, index, c);
	}

	public boolean removeAll(Collection c) {
		getterCalled();
		return property.removeAll(source, c);
	}

	public boolean retainAll(Collection c) {
		getterCalled();
		return property.retainAll(source, c);
	}

	public void clear() {
		getterCalled();
		property.clear(source);
	}

	public boolean equals(Object o) {
		getterCalled();
		return property.equals(source, o);
	}

	public int hashCode() {
		getterCalled();
		return property.hashCode(source);
	}

	public Object getObserved() {
		return source;
	}

	public IProperty getProperty() {
		return property;
	}

	public synchronized void dispose() {
		if (listenerHook != null) {
			listenerHook.dispose();
			listenerHook = null;
		}
		property = null;
		source = null;
		super.dispose();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.observable.masterdetail;

import java.util.AbstractSet;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.IObserving;
import org.eclipse.core.databinding.observable.IStaleListener;
import org.eclipse.core.databinding.observable.ObservableTracker;
import org.eclipse.core.databinding.observable.StaleEvent;
import org.eclipse.core.databinding.observable.map.AbstractObservableMap;
import org.eclipse.core.databinding.observable.map.IMapChangeListener;
import org.eclipse.core.databinding.observable.map.IObservableMap;
import org.eclipse.core.databinding.observable.map.MapChangeEvent;
import org.eclipse.core.databinding.observable.map.MapDiff;
import org.eclipse.core.databinding.observable.set.IObservableSet;
import org.eclipse.core.databinding.observable.set.ISetChangeListener;
import org.eclipse.core.databinding.observable.set.SetChangeEvent;
import org.eclipse.core.databinding.observable.set.WritableSet;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;
import org.eclipse.core.internal.databinding.IdentityWrapper;
import org.eclipse.core.internal.databinding.Util;

/**
 * @since 3.3
 * 
 */
public class MapValuePropertyObservableMap extends AbstractObservableMap
		implements IObserving {
	private IObservableMap masterMap;
	private IValueProperty detailProperty;

	private IObservableSet knownMasterValues;
	private Map masterValueListenerHooks;

	private boolean updating = false;

	private IMapChangeListener masterListener = new IMapChangeListener() {
		public void handleMapChange(final MapChangeEvent event) {
			if (!isDisposed()) {
				updateKnownValues();
				if (!updating)
					fireMapChange(convertDiff(event.diff));
			}
		}

		private void updateKnownValues() {
			Set identityKnownValues = new HashSet();
			for (Iterator it = masterMap.values().iterator(); it.hasNext();) {
				identityKnownValues.add(new IdentityWrapper(it.next()));
			}

			knownMasterValues.retainAll(identityKnownValues);
			knownMasterValues.addAll(identityKnownValues);
		}

		private MapDiff convertDiff(MapDiff diff) {
			Map oldValues = new HashMap();
			Map newValues = new HashMap();

			Set addedKeys = diff.getAddedKeys();
			for (Iterator it = addedKeys.iterator(); it.hasNext();) {
				Object key = it.next();
				Object newSource = diff.getNewValue(key);
				Object newValue = detailProperty.getValue(newSource);
				newValues.put(key, newValue);
			}

			Set removedKeys = diff.getRemovedKeys();
			for (Iterator it = removedKeys.iterator(); it.hasNext();) {
				Object key = it.next();
				Object oldSource = diff.getOldValue(key);
				Object oldValue = detailProperty.getValue(oldSource);
				oldValues.put(key, oldValue);
			}

			Set changedKeys = new HashSet(diff.getChangedKeys());
			for (Iterator it = changedKeys.iterator(); it.hasNext();) {
				Object key = it.next();

				Object oldSource = diff.getOldValue(key);
				Object newSource = diff.getNewValue(key);

				Object oldValue = detailProperty.getValue(oldSource);
				Object newValue = detailProperty.getValue(newSource);

				if (Util.equals(oldValue, newValue)) {
					it.remove();
				} else {
					oldValues.put(key, oldValue);
					newValues.put(key, newValue);
				}
			}

			return Diffs.createMapDiff(addedKeys, removedKeys, changedKeys,
					oldValues, newValues);
		}
	};

	private IStaleListener staleListener = new IStaleListener() {
		public void handleStale(StaleEvent staleEvent) {
			fireStale();
		}
	};

	private IValuePropertyChangeListener detailListener = new IValuePropertyChangeListener() {
		public void handleValuePropertyChange(ValuePropertyChangeEvent event) {
			Object masterValue = event.getSource();
			final Set keys = keysFor(masterValue);

			final Object oldDetailValue = event.diff.getOldValue();
			final Object newDetailValue = event.diff.getNewValue();

			if (!Util.equals(oldDetailValue, newDetailValue)) {
				fireMapChange(new MapDiff() {
					public Set getAddedKeys() {
						return Collections.EMPTY_SET;
					}

					public Set getChangedKeys() {
						return keys;
					}

					public Set getRemovedKeys() {
						return Collections.EMPTY_SET;
					}

					public Object getNewValue(Object key) {
						return newDetailValue;
					}

					public Object getOldValue(Object key) {
						return oldDetailValue;
					}
				});
			}
		}

		private Set keysFor(Object value) {
			Set keys = new HashSet();

			for (Iterator it = masterMap.entrySet().iterator(); it.hasNext();) {
				Map.Entry entry = (Entry) it.next();
				if (entry.getValue() == value) {
					keys.add(entry.getKey());
				}
			}

			return keys;
		}
	};

	/**
	 * @param map
	 * @param valueProperty
	 */
	public MapValuePropertyObservableMap(IObservableMap map,
			IValueProperty valueProperty) {
		super(map.getRealm());
		this.masterMap = map;
		this.detailProperty = valueProperty;
	}

	protected void firstListenerAdded() {
		knownMasterValues = new WritableSet(getRealm());
		masterValueListenerHooks = new HashMap();
		knownMasterValues.addSetChangeListener(new ISetChangeListener() {
			public void handleSetChange(SetChangeEvent event) {
				for (Iterator it = event.diff.getRemovals().iterator(); it
						.hasNext();) {
					IdentityWrapper wrapper = (IdentityWrapper) it.next();
					IPropertyListenerHook listenerHook = (IPropertyListenerHook) masterValueListenerHooks
							.remove(wrapper);
					listenerHook.dispose();
				}
				for (Iterator it = event.diff.getAdditions().iterator(); it
						.hasNext();) {
					IdentityWrapper wrapper = (IdentityWrapper) it.next();
					IPropertyListenerHook listenerHook = detailProperty
							.hookListener(wrapper.unwrap(), detailListener);
					masterValueListenerHooks.put(wrapper, listenerHook);
				}
			}
		});
		for (Iterator it = masterMap.values().iterator(); it.hasNext();) {
			knownMasterValues.add(new IdentityWrapper(it.next()));
		}

		masterMap.addMapChangeListener(masterListener);
		masterMap.addStaleListener(staleListener);
	}

	protected void lastListenerRemoved() {
		masterMap.removeMapChangeListener(masterListener);
		masterMap.removeStaleListener(staleListener);
		if (knownMasterValues != null) {
			knownMasterValues.clear(); // removes attached listeners
			knownMasterValues.dispose();
			knownMasterValues = null;
		}
		masterValueListenerHooks = null;
	}

	protected Object doGet(Object key) {
		if (!masterMap.containsKey(key))
			return null;
		return detailProperty.getValue(masterMap.get(key));
	}

	protected Object doPut(Object key, Object value) {
		if (!masterMap.containsKey(key))
			return null;
		Object source = masterMap.get(key);

		Object oldValue = detailProperty.getValue(source);

		updating = true;
		try {
			detailProperty.setValue(source, value);
		} finally {
			updating = false;
		}

		Object newValue = detailProperty.getValue(source);

		if (!Util.equals(oldValue, newValue)) {
			fireMapChange(Diffs.createMapDiffSingleChange(key, oldValue,
					newValue));
		}

		return oldValue;
	}

	private Set entrySet;

	public Set entrySet() {
		getterCalled();
		if (entrySet == null)
			entrySet = new EntrySet();
		return entrySet;
	}

	class EntrySet extends AbstractSet {
		public Iterator iterator() {
			return new Iterator() {
				Iterator it = masterMap.entrySet().iterator();

				public boolean hasNext() {
					getterCalled();
					return it.hasNext();
				}

				public Object next() {
					getterCalled();
					Map.Entry next = (Map.Entry) it.next();
					return new MapEntry(next.getKey());
				}

				public void remove() {
					it.remove();
				}
			};
		}

		public int size() {
			return masterMap.size();
		}
	}

	class MapEntry implements Map.Entry {
		private Object key;

		MapEntry(Object key) {
			this.key = key;
		}

		public Object getKey() {
			getterCalled();
			return key;
		}

		public Object getValue() {
			getterCalled();
			return get(key);
		}

		public Object setValue(Object value) {
			return put(key, value);
		}

		public boolean equals(Object o) {
			getterCalled();
			if (o == this)
				return true;
			if (o == null)
				return false;
			if (!(o instanceof Map.Entry))
				return false;
			Map.Entry that = (Map.Entry) o;
			return Util.equals(this.getKey(), that.getKey())
					&& Util.equals(this.getValue(), that.getValue());
		}

		public int hashCode() {
			getterCalled();
			Object value = getValue();
			return (key == null ? 0 : key.hashCode())
					^ (value == null ? 0 : value.hashCode());
		}
	}

	public boolean isStale() {
		getterCalled();
		return masterMap.isStale();
	}

	private void getterCalled() {
		ObservableTracker.getterCalled(this);
	}

	public Object getObserved() {
		return masterMap;
	}

	public synchronized void dispose() {
		if (masterMap != null) {
			masterMap.removeMapChangeListener(masterListener);
			masterMap = null;
		}
		if (knownMasterValues != null) {
			knownMasterValues.clear(); // detaches listeners
			knownMasterValues.dispose();
			knownMasterValues = null;
		}

		masterListener = null;
		detailListener = null;
		detailProperty = null;
		masterValueListenerHooks = null;

		super.dispose();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.property;

import java.util.Collection;
import java.util.Set;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.core.databinding.property.set.ISetPropertyChangeListener;
import org.eclipse.core.databinding.property.set.SetProperty;
import org.eclipse.core.databinding.property.set.SetPropertyChangeEvent;
import org.eclipse.core.databinding.property.set.SetPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;

/**
 * @since 3.3
 * 
 */
public class ValuePropertyDetailSet extends SetProperty {
	private IValueProperty masterProperty;
	private ISetProperty detailProperty;

	/**
	 * @param masterProperty
	 * @param detailProperty
	 */
	public ValuePropertyDetailSet(IValueProperty masterProperty,
			ISetProperty detailProperty) {
		this.masterProperty = masterProperty;
		this.detailProperty = detailProperty;
	}

	public Set getSet(Object source) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.getSet(masterValue);
	}

	public boolean add(Object source, Object o) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.add(masterValue, o);
	}

	public boolean addAll(Object source, Collection c) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.addAll(masterValue, c);
	}

	public void clear(Object source) {
		Object masterValue = masterProperty.getValue(source);
		detailProperty.clear(masterValue);
	}

	public Object getElementType() {
		return detailProperty.getElementType();
	}

	public boolean remove(Object source, Object o) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.remove(masterValue, o);
	}

	public boolean removeAll(Object source, Collection c) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.removeAll(masterValue, c);
	}

	public boolean retainAll(Object source, Collection c) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.retainAll(masterValue, c);
	}

	public IPropertyListenerHook hookListener(Object source,
			ISetPropertyChangeListener listener) {
		return new PropertyListenerHook(source, listener);
	}

	private class PropertyListenerHook extends SetPropertyListenerHook
			implements IValuePropertyChangeListener, ISetPropertyChangeListener {
		private IPropertyListenerHook masterListenerHook;
		private IPropertyListenerHook detailListenerHook;

		private PropertyListenerHook(Object source,
				ISetPropertyChangeListener listener) {
			super(source, ValuePropertyDetailSet.this, listener);
		}

		public void handleValuePropertyChange(ValuePropertyChangeEvent event) {
			Object oldDetailSource = event.diff.getOldValue();
			Object newDetailSource = event.diff.getNewValue();

			unhookDetailListener();
			hookDetailListener(newDetailSource);

			Set oldSet = detailProperty.getSet(oldDetailSource);
			Set newSet = detailProperty.getSet(newDetailSource);
			fireSetChange(Diffs.computeSetDiff(oldSet, newSet));
		}

		public void handleSetPropertyChange(SetPropertyChangeEvent event) {
			fireSetChange(event.diff);
		}

		protected void hookListener() {
			masterListenerHook = masterProperty.hookListener(getSource(), this);
			hookDetailListener(masterProperty.getValue(getSource()));
		}

		protected void unhookListener() {
			masterListenerHook.dispose();
			masterListenerHook = null;

			unhookDetailListener();
		}

		private void hookDetailListener(Object detailSource) {
			detailListenerHook = detailProperty
					.hookListener(detailSource, this);
		}

		private void unhookDetailListener() {
			detailListenerHook.dispose();
			detailListenerHook = null;
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.value;

import org.eclipse.core.databinding.property.Property;

/**
 * Abstract implementation of IValueProperty.
 * 
 * @since 1.2
 */
public abstract class ValueProperty extends Property implements IValueProperty {
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property;

import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.map.IMapProperty;
import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.internal.databinding.property.ListPropertyDetailValueList;
import org.eclipse.core.internal.databinding.property.MapPropertyDetailValueMap;
import org.eclipse.core.internal.databinding.property.SetPropertyDetailValueMap;
import org.eclipse.core.internal.databinding.property.ValuePropertyDetailList;
import org.eclipse.core.internal.databinding.property.ValuePropertyDetailMap;
import org.eclipse.core.internal.databinding.property.ValuePropertyDetailSet;
import org.eclipse.core.internal.databinding.property.ValuePropertyDetailValue;

/**
 * A factory for chaining properties together to create nested properties.
 * <p>
 * Example: Suppose class <code>A</code> has a property <code>b</code> of type
 * <code>B</code>, and that class <code>B</code> has a property <code>c</code>
 * of type <code>C</code>:
 * 
 * <pre>
 * A a = new A();
 * B b = a.getB();
 * IValueProperty ab = BeanProperties.valueProperty(A.class, &quot;b&quot;);
 * assertTrue(ab.getValue(a) == b);
 * 
 * IValueProperty bc = BeanProperties.valueProperty(B.class, &quot;c&quot;);
 * C c = b.getC();
 * assertTrue(bc.getValue(b) == c);
 * </pre>
 * 
 * Using Properties, the <code>ab</code> and <code>bc</code>
 * properties may be combined to form a nested <code>abc</code> property:
 * 
 * <pre>
 * IValueProperty abc = Properties.detailValue(ab, bc)
 * assertTrue(abc.getValue(a) == c);
 * </pre>
 * 
 * @since 1.2
 */
public class Properties {
	// Properties of IValueProperty properties

	/**
	 * Returns the nested combination of the master value and detail value
	 * properties. Value modifications made through the returned property are
	 * delegated to the detail property, using the value of the master property
	 * as the source.
	 * 
	 * @param masterValue
	 *            the master property
	 * @param detailValue
	 *            the detail property
	 * @return the nested combination of the master and detail properties
	 */
	public static IValueProperty detailValue(IValueProperty masterValue,
			IValueProperty detailValue) {
		return new ValuePropertyDetailValue(masterValue, detailValue);
	}

	/**
	 * Returns the nested combination of the master value and detail list
	 * properties. List modifications made through the returned property are
	 * delegated to the detail property, using the value of the master property
	 * as the source.
	 * 
	 * @param masterValue
	 *            the master property
	 * @param detailList
	 *            the detail property
	 * @return the nested combination of the master value and detail list
	 *         properties
	 */
	public static IListProperty detailList(IValueProperty masterValue,
			IListProperty detailList) {
		return new ValuePropertyDetailList(masterValue, detailList);
	}

	/**
	 * Returns the nested combination of the master value and detail set
	 * properties. Set modifications made through the returned property are
	 * delegated to the detail property, using the value of the master property
	 * as the source.
	 * 
	 * @param masterValue
	 *            the master property
	 * @param detailSet
	 *            the detail property
	 * @return the nested combination of the master value and detail set
	 *         properties
	 */
	public static ISetProperty detailSet(IValueProperty masterValue,
			ISetProperty detailSet) {
		return new ValuePropertyDetailSet(masterValue, detailSet);
	}

	/**
	 * Returns the nested combination of the master value and detail map
	 * properties. Map modifications made through the returned property are
	 * delegated to the detail property, using the value of the master property
	 * as the source.
	 * 
	 * @param masterValue
	 *            the master property
	 * @param detailMap
	 *            the detail property
	 * @return the nested combination of the master value and detial map
	 *         properties
	 */
	public static IMapProperty detailMap(IValueProperty masterValue,
			IMapProperty detailMap) {
		return new ValuePropertyDetailMap(masterValue, detailMap);
	}

	// Properties of IListProperty master properties

	/**
	 * Returns the nested combination of the master list and detail value
	 * properties. Note that because this property is a projection of value
	 * properties over a list, the only modification supported is through the
	 * {@link IValueProperty#setValue(Object, Object)} method. Modifications
	 * made through the returned property are delegated to the detail property,
	 * using the corresponding list element from the master property as the
	 * source.
	 * 
	 * @param masterList
	 *            the master property
	 * @param detailValue
	 *            the detail property
	 * @return the nested combination of the master list and detail value
	 *         properties
	 */
	public static IListProperty detailValues(IListProperty masterList,
			IValueProperty detailValue) {
		return new ListPropertyDetailValueList(masterList, detailValue);
	}

	// Properties of ISetProperty master properties

	/**
	 * Returns the nested combination of the master set and detail value
	 * properties. Note that because this property is a projection of value
	 * properties over a set, the only modifications supported are through the
	 * {@link IMapProperty#put(Object, Object, Object)} and
	 * {@link IMapProperty#putAll(Object, java.util.Map)} methods. In the latter
	 * case, this property does not put entries for keys not already in the
	 * master key set. Modifications made through the returned property are
	 * delegated to the detail property, using the corresponding set element
	 * from the master property as the source.
	 * 
	 * @param masterKeySet
	 *            the master property
	 * @param detailValues
	 *            the detail property
	 * @return the nested combination of the master set and detail value
	 *         properties
	 */
	public static IMapProperty detailValues(ISetProperty masterKeySet,
			IValueProperty detailValues) {
		return new SetPropertyDetailValueMap(masterKeySet, detailValues);
	}

	// Properties of IMapProperty master properties

	/**
	 * Returns the nested combination of the master map and detail value
	 * properties. Note that because this property is a projection of value
	 * properties over a values collection, the only modifications supported are
	 * through the {@link IMapProperty#put(Object, Object, Object)} and
	 * {@link IMapProperty#putAll(Object, java.util.Map)} methods. In the latter
	 * case, this property does not entries for keys not already contained in
	 * the master map's key set. Modifications made through the returned
	 * property are delegated to the detail property, using the corresponding
	 * entry value from the master property as the source.
	 * 
	 * @param masterMap
	 *            the master property
	 * @param detailValues
	 *            the detail property
	 * @return the nested combination of the master map and detail value
	 *         properties.
	 */
	public static IMapProperty detailValues(IMapProperty masterMap,
			IValueProperty detailValues) {
		return new MapPropertyDetailValueMap(masterMap, detailValues);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.map;

import java.util.Map;

import org.eclipse.core.databinding.property.IProperty;
import org.eclipse.core.databinding.property.IPropertyListenerHook;

/**
 * Interface for map-typed properties
 * 
 * @since 1.2
 * @noimplement This interface is not intended to be implemented by clients.
 */
public interface IMapProperty extends IProperty {
	/**
	 * Returns the element type of the map's key set or <code>null</code> if the
	 * key set is untyped.
	 * 
	 * @return the element type of the map's key set or <code>null</code> if the
	 *         key set is untyped.
	 */
	public Object getKeyType();

	/**
	 * Returns the element type of the map's values collection or
	 * <code>null</code> if the collection is untyped.
	 * 
	 * @return the element type of the map's values collection or
	 *         <code>null</code> if the collection is untyped.
	 */
	public Object getValueType();

	/**
	 * Returns a Map with the current contents of the source's map property
	 * 
	 * @param source
	 *            the property source
	 * @return a Map with the current contents of the source's map property
	 */
	Map getMap(Object source);

	/**
	 * Returns the size of the source's map property
	 * 
	 * @param source
	 *            the property source
	 * @return the size of the source's map property
	 */
	int size(Object source);

	/**
	 * Returns whether the source's map property is empty
	 * 
	 * @param source
	 *            the property source
	 * @return whether the source's map property is empty
	 */
	boolean isEmpty(Object source);

	/**
	 * Returns whether the specified key is contained in the key set of the
	 * source's map property
	 * 
	 * @param source
	 *            the property source
	 * @param key
	 *            the key
	 * @return whether the specified key is contained in the key set of the
	 *         source's map property
	 */
	boolean containsKey(Object source, Object key);

	/**
	 * Returns whether the specified value is contains in the values collection
	 * of the source's map property
	 * 
	 * @param source
	 *            the property source
	 * @param value
	 *            the value
	 * @return whether the specified value is contains in the values collection
	 *         of the source's map property
	 */
	boolean containsValue(Object source, Object value);

	/**
	 * Returns the value associated with the specified key in the source's map
	 * property
	 * 
	 * @param source
	 *            the property source
	 * @param key
	 *            the key
	 * @return the value associated with the specified key in the source's map
	 *         property
	 */
	Object get(Object source, Object key);

	/**
	 * Associates the specified value with the specified key in the source's map
	 * property
	 * 
	 * @param source
	 *            the property source
	 * @param key
	 *            the key
	 * @param value
	 *            the value
	 * @return the value that was previously associated with the given key in
	 *         the source's map property
	 */
	Object put(Object source, Object key, Object value);

	/**
	 * Removes the mapping for the specified key from the source's map property
	 * 
	 * @param source
	 *            the property source
	 * @param key
	 *            the key
	 * @return the value that was previously associated with the specified key
	 *         in the source's map property, or null if no such mapping exists
	 */
	Object remove(Object source, Object key);

	/**
	 * Adds all mappings in the specified map to the source's map property.
	 * 
	 * @param source
	 *            the property source
	 * @param t
	 *            the map
	 */
	void putAll(Object source, Map t);

	/**
	 * Removes all mapping from the source's map property
	 * 
	 * @param source
	 *            the property source
	 */
	void clear(Object source);

	/**
	 * Returns whether the source's map property is equal to the argument
	 * 
	 * @param source
	 *            the property source
	 * @param o
	 *            the object to test for equality
	 * @return whether the source's map property is equal to the argument
	 */
	boolean equals(Object source, Object o);

	/**
	 * Returns the hash code of the source's map property
	 * 
	 * @param source
	 *            the property source
	 * @return the hash code of the source's map property
	 */
	int hashCode(Object source);

	/**
	 * Registers the specified map property change listener to be notified when
	 * a property change event is fired from the given property source.
	 * 
	 * @param source
	 *            the property source
	 * @param listener
	 *            the listener to adapt
	 * @return a listener context for unhooking the change listener when it is
	 *         no longer needed
	 */
	public IPropertyListenerHook hookListener(Object source,
			IMapPropertyChangeListener listener);
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.property;

import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.map.MapDiff;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.map.IMapProperty;
import org.eclipse.core.databinding.property.map.IMapPropertyChangeListener;
import org.eclipse.core.databinding.property.map.MapProperty;
import org.eclipse.core.databinding.property.map.MapPropertyChangeEvent;
import org.eclipse.core.databinding.property.map.MapPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;
import org.eclipse.core.internal.databinding.IdentityWrapper;
import org.eclipse.core.internal.databinding.Util;

/**
 * @since 3.3
 * 
 */
public class MapPropertyDetailValueMap extends MapProperty {
	private final IMapProperty masterProperty;
	private final IValueProperty detailProperty;

	/**
	 * @param masterProperty
	 * @param detailProperty
	 */
	public MapPropertyDetailValueMap(IMapProperty masterProperty,
			IValueProperty detailProperty) {
		this.masterProperty = masterProperty;
		this.detailProperty = detailProperty;
	}

	public Map getMap(Object source) {
		Map result = new HashMap();
		for (Iterator it = masterProperty.getMap(source).entrySet().iterator(); it
				.hasNext();) {
			Map.Entry entry = (Map.Entry) it.next();
			result.put(entry.getKey(), detailProperty
					.getValue(entry.getValue()));
		}
		return result;
	}

	public void clear(Object source) {
		throw new UnsupportedOperationException();
	}

	public Object put(Object source, Object key, Object value) {
		if (!masterProperty.containsKey(source, key))
			return null;
		Object masterValue = masterProperty.get(source, key);

		Object result = detailProperty.getValue(masterValue);
		detailProperty.setValue(masterValue, value);
		return result;
	}

	public void putAll(Object source, Map t) {
		for (Iterator it = t.entrySet().iterator(); it.hasNext();) {
			Map.Entry entry = (Map.Entry) it.next();
			Object masterKey = entry.getKey();
			Object detailValue = entry.getValue();
			if (masterProperty.getMap(source).containsKey(masterKey)) {
				detailProperty.setValue(masterKey, detailValue);
			}
		}
	}

	public Object remove(Object source, Object key) {
		throw new UnsupportedOperationException();
	}

	public Object getKeyType() {
		return masterProperty.getKeyType();
	}

	public Object getValueType() {
		return detailProperty.getValueType();
	}

	public IPropertyListenerHook hookListener(Object source,
			IMapPropertyChangeListener listener) {
		return new PropertyListenerHook(source, listener);
	}

	private class PropertyListenerHook extends MapPropertyListenerHook
			implements IMapPropertyChangeListener, IValuePropertyChangeListener {

		private IPropertyListenerHook masterListenerHook;

		// Map <IdentityWrapper, IPropertyListenerHook>
		private Map detailListenerHooks;

		private PropertyListenerHook(Object source,
				IMapPropertyChangeListener listener) {
			super(source, MapPropertyDetailValueMap.this, listener);
		}

		public void handleMapPropertyChange(MapPropertyChangeEvent event) {
			updateDetailListenerHooks();

			Map oldValues = new HashMap();
			Map newValues = new HashMap();

			Set addedKeys = event.diff.getAddedKeys();
			for (Iterator it = addedKeys.iterator(); it.hasNext();) {
				Object key = it.next();
				Object value = event.diff.getNewValue(key);
				Object detailValue = detailProperty.getValue(value);
				newValues.put(key, detailValue);
			}

			Set removedKeys = event.diff.getRemovedKeys();
			for (Iterator it = removedKeys.iterator(); it.hasNext();) {
				Object key = it.next();
				Object value = event.diff.getOldValue(key);
				Object detailValue = detailProperty.getValue(value);
				oldValues.put(key, detailValue);
			}

			Set changedKeys = new HashSet(event.diff.getChangedKeys());
			for (Iterator it = changedKeys.iterator(); it.hasNext();) {
				Object key = it.next();

				Object oldValue = event.diff.getOldValue(key);
				Object newValue = event.diff.getNewValue(key);

				Object oldDetailValue = detailProperty.getValue(oldValue);
				Object newDetailValue = detailProperty.getValue(newValue);

				if (Util.equals(oldDetailValue, newDetailValue)) {
					it.remove();
				} else {
					oldValues.put(key, oldDetailValue);
					newValues.put(key, newDetailValue);
				}
			}

			fireMapChange(Diffs.createMapDiff(addedKeys, removedKeys,
					changedKeys, oldValues, newValues));
		}

		public void handleValuePropertyChange(ValuePropertyChangeEvent event) {
			final Set keys = keysFor(event.getSource());
			final Object oldValue = event.diff.getOldValue();
			final Object newValue = event.diff.getNewValue();

			fireMapChange(new MapDiff() {
				public Set getAddedKeys() {
					return Collections.EMPTY_SET;
				}

				public Set getChangedKeys() {
					return keys;
				}

				public Set getRemovedKeys() {
					return Collections.EMPTY_SET;
				}

				public Object getOldValue(Object key) {
					if (keys.contains(key))
						return oldValue;
					return null;
				}

				public Object getNewValue(Object key) {
					if (keys.contains(key))
						return newValue;
					return null;
				}
			});
		}

		protected void hookListener() {
			masterListenerHook = masterProperty.hookListener(getSource(), this);

			detailListenerHooks = new HashMap();
			updateDetailListenerHooks();
		}

		protected void unhookListener() {
			masterListenerHook.dispose();
			masterListenerHook = null;

			for (Iterator it = detailListenerHooks.values().iterator(); it
					.hasNext();) {
				IPropertyListenerHook listenerHook = (IPropertyListenerHook) it
						.next();
				listenerHook.dispose();
			}
			detailListenerHooks.clear();
			detailListenerHooks = null;
		}

		private void updateDetailListenerHooks() {
			Set uniqueValues = new HashSet();
			for (Iterator it = masterProperty.getMap(getSource()).values()
					.iterator(); it.hasNext();) {
				uniqueValues.add(new IdentityWrapper(it.next()));
			}

			// Iterate the existing hooks, 1) disposing every hook for values
			// no longer in uniqueValues and 2) remove elements from
			// uniqueValues when there is already a hook for that value.
			// The second item ensures that uniqueValues contains only new
			// values by the end of this loop.
			for (Iterator it = detailListenerHooks.entrySet().iterator(); it
					.hasNext();) {
				Map.Entry entry = (Entry) it.next();
				if (!uniqueValues.remove(entry.getKey())) {
					IPropertyListenerHook listenerHook = (IPropertyListenerHook) entry
							.getValue();
					listenerHook.dispose();
					it.remove();
				}
			}

			// Hook listeners for new values
			for (Iterator it = uniqueValues.iterator(); it.hasNext();) {
				IdentityWrapper wrapper = (IdentityWrapper) it.next();
				Object value = wrapper.unwrap();
				detailListenerHooks.put(wrapper, detailProperty.hookListener(
						value, this));
			}
		}

		private Set keysFor(Object value) {
			Set keys = new HashSet();

			for (Iterator it = masterProperty.getMap(getSource()).entrySet()
					.iterator(); it.hasNext();) {
				Map.Entry entry = (Entry) it.next();
				if (entry.getValue() == value) {
					keys.add(entry.getKey());
				}
			}

			return keys;
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.property;

import java.util.Map;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.map.IMapProperty;
import org.eclipse.core.databinding.property.map.IMapPropertyChangeListener;
import org.eclipse.core.databinding.property.map.MapProperty;
import org.eclipse.core.databinding.property.map.MapPropertyChangeEvent;
import org.eclipse.core.databinding.property.map.MapPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;

/**
 * @since 3.3
 * 
 */
public class ValuePropertyDetailMap extends MapProperty {
	private final IValueProperty masterProperty;
	private final IMapProperty detailProperty;

	/**
	 * @param masterProperty
	 * @param detailProperty
	 */
	public ValuePropertyDetailMap(IValueProperty masterProperty,
			IMapProperty detailProperty) {
		this.masterProperty = masterProperty;
		this.detailProperty = detailProperty;
	}

	public Map getMap(Object source) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.getMap(masterValue);
	}

	public void clear(Object source) {
		Object masterValue = masterProperty.getValue(source);
		detailProperty.clear(masterValue);
	}

	public Object put(Object source, Object key, Object value) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.put(masterValue, key, value);
	}

	public void putAll(Object source, Map t) {
		Object masterValue = masterProperty.getValue(source);
		detailProperty.putAll(masterValue, t);
	}

	public Object remove(Object source, Object key) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.remove(masterValue, key);
	}

	public Object getKeyType() {
		return detailProperty.getKeyType();
	}

	public Object getValueType() {
		return detailProperty.getValueType();
	}

	public IPropertyListenerHook hookListener(Object source,
			IMapPropertyChangeListener listener) {
		return new PropertyListenerHook(source, listener);
	}

	private class PropertyListenerHook extends MapPropertyListenerHook
			implements IValuePropertyChangeListener, IMapPropertyChangeListener {
		private IPropertyListenerHook masterListenerHook;
		private IPropertyListenerHook detailListenerHook;

		private PropertyListenerHook(Object source,
				IMapPropertyChangeListener listener) {
			super(source, ValuePropertyDetailMap.this, listener);
		}

		public void handleValuePropertyChange(ValuePropertyChangeEvent event) {
			Object oldDetailSource = event.diff.getOldValue();
			Object newDetailSource = event.diff.getNewValue();

			unhookDetailListener();
			hookDetailListener(newDetailSource);

			Map oldMap = detailProperty.getMap(oldDetailSource);
			Map newMap = detailProperty.getMap(newDetailSource);
			fireMapChange(Diffs.computeMapDiff(oldMap, newMap));
		}

		public void handleMapPropertyChange(MapPropertyChangeEvent event) {
			fireMapChange(event.diff);
		}

		protected void hookListener() {
			masterListenerHook = masterProperty.hookListener(getSource(), this);
			hookDetailListener(masterProperty.getValue(getSource()));
		}

		protected void unhookListener() {
			masterListenerHook.dispose();
			masterListenerHook = null;

			unhookDetailListener();
		}

		private void hookDetailListener(Object detailSource) {
			detailListenerHook = detailProperty
					.hookListener(detailSource, this);
		}

		private void unhookDetailListener() {
			detailListenerHook.dispose();
			detailListenerHook = null;
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.value;

import org.eclipse.core.databinding.observable.value.ValueDiff;
import org.eclipse.core.databinding.property.IPropertyChangeListener;
import org.eclipse.core.databinding.property.PropertyChangeEvent;
import org.eclipse.core.runtime.Assert;

/**
 * Value change event describing a change of a value property on a particular
 * property source.
 * 
 * @since 1.2
 */
public class ValuePropertyChangeEvent extends PropertyChangeEvent {
	private static final long serialVersionUID = 1L;

	/**
	 * The value property that changed
	 */
	public final IValueProperty property;

	/**
	 * ValueDiff with the old and new values of the property.
	 */
	public final ValueDiff diff;

	/**
	 * Constructs a ValuePropertyChangeEvent with the given attributes
	 * 
	 * @param source
	 *            the property source
	 * @param property
	 *            the property that changed on the source
	 * @param diff
	 *            a ValueDiff describing the changes to the value property
	 */
	public ValuePropertyChangeEvent(Object source, IValueProperty property,
			ValueDiff diff) {
		super(source);
		this.property = property;
		Assert.isNotNull(diff, "diff cannot be null"); //$NON-NLS-1$
		this.diff = diff;
	}

	protected void dispatch(IPropertyChangeListener listener) {
		((IValuePropertyChangeListener) listener)
				.handleValuePropertyChange(this);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation
 ******************************************************************************/

package org.eclipse.core.databinding.property;

/**
 * Abstract implementation of {@link IPropertyListenerHook}
 * 
 * @since 1.2
 */
public abstract class PropertyListenerHook implements
		IPropertyListenerHook {
	private Object source;
	private IProperty property;
	private IPropertyChangeListener listener;

	private volatile boolean disposed = false;

	protected PropertyListenerHook(Object source, IProperty property,
			IPropertyChangeListener listener) {
		this.source = source;
		this.property = property;
		this.listener = listener;
		hookListener();
	}

	public final Object getSource() {
		return source;
	}

	public final IProperty getProperty() {
		return property;
	}

	public final IPropertyChangeListener getListener() {
		return listener;
	}

	public final boolean isDisposed() {
		return disposed;
	}

	public final synchronized void dispose() {
		if (!disposed) {
			disposed = true;
			unhookListener();
			source = null;
			property = null;
			listener = null;
		}
	}

	protected abstract void hookListener();

	protected abstract void unhookListener();
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property;

/**
 * Marker interface for all property types in the properties framework.
 * 
 * @since 1.2
 * @noimplement This interface is not intended to be implemented by clients.
 */
public interface IProperty {
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.observable;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.AbstractObservableValue;
import org.eclipse.core.databinding.property.IProperty;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.IPropertyObservable;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;
import org.eclipse.core.internal.databinding.Util;

/**
 * @since 1.2
 * 
 */
public class PropertyObservableValue extends AbstractObservableValue implements
		IPropertyObservable {
	private Object source;
	private IValueProperty property;

	private boolean updating = false;
	private Object cachedValue;

	private IPropertyListenerHook listenerHook;

	/**
	 * @param realm
	 * @param source
	 * @param property
	 */
	public PropertyObservableValue(Realm realm, Object source,
			IValueProperty property) {
		super(realm);
		this.source = source;
		this.property = property;
	}

	protected void firstListenerAdded() {
		if (!isDisposed()) {
			IValuePropertyChangeListener listener = new IValuePropertyChangeListener() {
				public void handleValuePropertyChange(
						final ValuePropertyChangeEvent event) {
					if (!isDisposed() && !updating) {
						getRealm().exec(new Runnable() {
							public void run() {
								Object oldValue = cachedValue;
								Object newValue = cachedValue = event.diff
										.getNewValue();

								fireValueChange(Diffs.createValueDiff(oldValue,
										newValue));
							}
						});
					}
				}
			};
			listenerHook = property.hookListener(source, listener);
			cachedValue = property.getValue(source);
		}
	}

	protected void lastListenerRemoved() {
		cachedValue = null;
		if (listenerHook != null) {
			listenerHook.dispose();
			listenerHook = null;
		}
	}

	protected Object doGetValue() {
		if (hasListeners()) {
			Object oldValue = cachedValue;
			Object newValue = cachedValue = property.getValue(source);

			if (hasListeners() && !Util.equals(oldValue, newValue)) {
				fireValueChange(Diffs.createValueDiff(oldValue, newValue));
			}
			return newValue;
		}
		return property.getValue(source);
	}

	protected void doSetValue(Object value) {
		if (hasListeners()) {
			Object oldValue = cachedValue;

			updating = true;
			try {
				property.setValue(source, value);
			} finally {
				updating = false;
			}

			Object newValue = cachedValue = property.getValue(source);
			if (hasListeners() && !Util.equals(oldValue, newValue)) {
				fireValueChange(Diffs.createValueDiff(oldValue, newValue));
			}
		} else {
			property.setValue(source, value);
		}
	}

	public Object getValueType() {
		return property.getValueType();
	}

	public Object getObserved() {
		return source;
	}

	public IProperty getProperty() {
		return property;
	}

	public synchronized void dispose() {
		if (listenerHook != null) {
			listenerHook.dispose();
			listenerHook = null;
		}
		source = null;
		property = null;
		super.dispose();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation
 ******************************************************************************/

package org.eclipse.core.databinding.property.list;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.list.ListDiff;
import org.eclipse.core.databinding.observable.list.ListDiffEntry;

/**
 * Simplified abstract implementation of IListProperty. This class takes care of
 * most of the functional requirements for an IListProperty implementation,
 * leaving only the property-specific details to subclasses.
 * <p>
 * Subclasses must implement these methods:
 * <ul>
 * <li>{@link #getElementType()}
 * <li>{@link #getList(Object)}
 * <li>{@link #setList(Object, List, ListDiff)}
 * </ul>
 * 
 * @since 1.2
 */
public abstract class SimpleListProperty extends ListProperty {
	/**
	 * Updates the property on the source with the specified change.
	 * 
	 * @param source
	 *            the property source
	 * @param list
	 *            the new list
	 * @param diff
	 *            a diff describing the change
	 */
	protected abstract void setList(Object source, List list, ListDiff diff);

	public boolean add(Object source, Object o) {
		add(source, size(source), o);
		return true;
	}

	public void add(Object source, int index, Object element) {
		List list = new ArrayList(getList(source));
		list.add(index, element);
		setList(source, list, Diffs.createListDiff(Diffs.createListDiffEntry(
				index, true, element)));
	}

	public boolean addAll(Object source, Collection c) {
		if (c.isEmpty())
			return false;
		addAll(source, size(source), c);
		return true;
	}

	public boolean addAll(Object source, int index, Collection c) {
		if (c.isEmpty()) {
			return false;
		}

		List list = new ArrayList(getList(source));
		List entries = new ArrayList();
		int i = index;
		for (Iterator it = c.iterator(); it.hasNext(); i++) {
			Object o = it.next();
			list.add(i, o);
			entries.add(Diffs.createListDiffEntry(i, true, o));
		}
		boolean changed = !entries.isEmpty();
		if (changed) {
			ListDiffEntry[] ea = (ListDiffEntry[]) entries
					.toArray(new ListDiffEntry[entries.size()]);
			setList(source, list, Diffs.createListDiff(ea));
		}
		return changed;
	}

	public void clear(Object source) {
		if (!isEmpty(source)) {
			List list = getList(source);
			ListDiffEntry[] entries = new ListDiffEntry[list.size()];
			int i = 0;
			for (Iterator it = getList(source).iterator(); it.hasNext(); i++) {
				entries[i] = Diffs.createListDiffEntry(0, false, it.next());
			}
			setList(source, new ArrayList(), Diffs.createListDiff(entries));
		}
	}

	public Object move(Object source, int oldIndex, int newIndex) {
		if (oldIndex == newIndex)
			return get(source, oldIndex);
		List list = new ArrayList(getList(source));
		Object result = list.remove(oldIndex);
		list.add(newIndex, result);
		setList(source, list, Diffs.createListDiff(Diffs.createListDiffEntry(
				oldIndex, false, result), Diffs.createListDiffEntry(newIndex,
				true, result)));
		return result;
	}

	public boolean remove(Object source, Object o) {
		int i = indexOf(source, o);
		if (i == -1)
			return false;
		remove(source, i);
		return true;
	}

	public Object remove(Object source, int index) {
		List list = new ArrayList(getList(source));
		Object result = list.remove(index);
		setList(source, list, Diffs.createListDiff(Diffs.createListDiffEntry(
				index, false, result)));
		return result;
	}

	public boolean removeAll(Object source, Collection c) {
		if (isEmpty(source)) {
			return false;
		}
		if (c.isEmpty()) {
			return false;
		}
		List list = new ArrayList(getList(source));
		List entries = new ArrayList();
		for (ListIterator it = list.listIterator(); it.hasNext();) {
			Object o = it.next();
			if (c.contains(o)) {
				entries.add(Diffs.createListDiffEntry(it.previousIndex(),
						false, o));
				it.remove();
			}
		}
		boolean changed = !entries.isEmpty();
		if (changed) {
			ListDiffEntry[] ea = (ListDiffEntry[]) entries
					.toArray(new ListDiffEntry[entries.size()]);
			setList(source, list, Diffs.createListDiff(ea));
		}
		return changed;
	}

	public boolean retainAll(Object source, Collection c) {
		if (isEmpty(source)) {
			return false;
		}
		if (c.isEmpty()) {
			clear(source);
			return true;
		}
		List list = new ArrayList(getList(source));
		List entries = new ArrayList();
		for (ListIterator it = list.listIterator(); it.hasNext();) {
			Object o = it.next();
			if (!c.contains(o)) {
				entries.add(Diffs.createListDiffEntry(it.previousIndex(),
						false, o));
				it.remove();
			}
		}
		boolean changed = !entries.isEmpty();
		if (changed) {
			ListDiffEntry[] ea = (ListDiffEntry[]) entries
					.toArray(new ListDiffEntry[entries.size()]);
			setList(source, list, Diffs.createListDiff(ea));
		}
		return changed;
	}

	public Object set(Object source, int index, Object element) {
		List list = new ArrayList(getList(source));
		Object result = list.set(index, element);
		setList(source, list, Diffs.createListDiff(Diffs.createListDiffEntry(
				index, false, result), Diffs.createListDiffEntry(index, true,
				element)));
		return result;
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property;

import org.eclipse.core.databinding.observable.IObserving;

/**
 * Provides access to the details of property observables
 * 
 * @since 1.2
 */
public interface IPropertyObservable extends IObserving {
	/**
	 * Returns the property being observed
	 * 
	 * @return the property being observed
	 */
	IProperty getProperty();
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.list;

import org.eclipse.core.databinding.observable.list.ListDiff;
import org.eclipse.core.databinding.property.PropertyListenerHook;

/**
 * @since 1.2
 */
public abstract class ListPropertyListenerHook extends PropertyListenerHook {
	private final IListProperty property;
	private final IListPropertyChangeListener listener;

	/**
	 * @param source
	 * @param property
	 * @param listener
	 */
	protected ListPropertyListenerHook(Object source, IListProperty property,
			IListPropertyChangeListener listener) {
		super(source, property, listener);
		this.property = property;
		this.listener = listener;
	}

	protected final void fireListChange(ListDiff diff) {
		listener.handleListPropertyChange(new ListPropertyChangeEvent(
				getSource(), property, diff));
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.set;

import org.eclipse.core.databinding.observable.set.SetDiff;
import org.eclipse.core.databinding.property.IPropertyChangeListener;
import org.eclipse.core.databinding.property.PropertyChangeEvent;
import org.eclipse.core.runtime.Assert;

/**
 * Set change event describing an incremental change of a set property on a
 * particular property source.
 * 
 * @since 1.2
 */
public class SetPropertyChangeEvent extends PropertyChangeEvent {
	private static final long serialVersionUID = 1L;

	/**
	 * The set property that changed
	 */
	public final ISetProperty property;

	/**
	 * SetDiff enumerating the added and removed elements in the set.
	 */
	public final SetDiff diff;

	/**
	 * Constructs a SetPropertyChangeEvent with the given attributes
	 * 
	 * @param source
	 *            the property source
	 * @param property
	 *            the property that changed on the source
	 * @param diff
	 *            a SetDiff describing the changes to the set property
	 */
	public SetPropertyChangeEvent(Object source, ISetProperty property,
			SetDiff diff) {
		super(source);
		this.property = property;
		Assert.isNotNull(diff, "diff cannot be null"); //$NON-NLS-1$
		this.diff = diff;
	}

	protected void dispatch(IPropertyChangeListener listener) {
		((ISetPropertyChangeListener) listener).handleSetPropertyChange(this);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.value;

import org.eclipse.core.databinding.property.IPropertyChangeListener;

/**
 * Listener for changes to value properties on a property source
 * 
 * @since 1.2
 */
public interface IValuePropertyChangeListener extends IPropertyChangeListener {
	/**
	 * Handle a change to a value property on a specific property source.
	 * 
	 * @param event
	 *            an event describing the value change that occured.
	 */
	public void handleValuePropertyChange(ValuePropertyChangeEvent event);
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.list;

import java.util.Collection;

import org.eclipse.core.databinding.property.Property;

/**
 * Abstract implementation of IListProperty.
 * 
 * @since 1.2
 */
public abstract class ListProperty extends Property implements
		IListProperty {
	public boolean contains(Object source, Object o) {
		return getList(source).contains(o);
	}

	public boolean containsAll(Object source, Collection c) {
		return getList(source).containsAll(c);
	}

	public boolean equals(Object source, Object o) {
		return getList(source).equals(o);
	}

	public Object get(Object source, int index) {
		return getList(source).get(index);
	}

	public int hashCode(Object source) {
		return getList(source).hashCode();
	}

	public int indexOf(Object source, Object o) {
		return getList(source).indexOf(o);
	}

	public boolean isEmpty(Object source) {
		return getList(source).isEmpty();
	}

	public int lastIndexOf(Object source, Object o) {
		return getList(source).lastIndexOf(o);
	}

	public int size(Object source) {
		return getList(source).size();
	}

	public Object[] toArray(Object source, Object[] array) {
		return getList(source).toArray(array);
	}

	public Object[] toArray(Object source) {
		return getList(source).toArray();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property;

import java.util.EventObject;

/**
 * Base class for change events in the properties API
 * 
 * @since 1.2
 */
public abstract class PropertyChangeEvent extends EventObject {
	private static final long serialVersionUID = 1L;

	protected PropertyChangeEvent(Object source) {
		super(source);
	}

	protected abstract void dispatch(IPropertyChangeListener listener);

	public boolean equals(Object obj) {
		if (obj == this)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;

		return getSource().equals(((PropertyChangeEvent) obj).getSource());
	}

	public int hashCode() {
		return getSource().hashCode();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property;

import java.util.Collection;

/**
 * Interface for collection-typed properties.
 * 
 * @since 1.2
 * @noimplement This interface is not intended to be implemented by clients.
 */
public interface ICollectionProperty extends IProperty {
	/**
	 * Returns the size of the source's collection property
	 * 
	 * @param source
	 *            the property source
	 * @return the size of the source's collection property
	 */
	int size(Object source);

	/**
	 * Returns whether the source's collection property is empty
	 * 
	 * @param source
	 *            the property source
	 * @return whether the source's collection property is empty
	 */
	boolean isEmpty(Object source);

	/**
	 * Returns whether the source's collection property contains the given
	 * element.
	 * 
	 * @param source
	 *            the property source
	 * @param o
	 *            the element
	 * @return whether the source's collection property contains the given
	 *         element.
	 */
	boolean contains(Object source, Object o);

	/**
	 * Returns an array of all elements in the source's collection property
	 * 
	 * @param source
	 *            the property source
	 * @return an array of all elements in the source's collection property
	 */
	Object[] toArray(Object source);

	/**
	 * Returns an array of all elements in the source's collection property
	 * 
	 * @param source
	 *            the property source
	 * @param array
	 *            the array into which the elements will be copied. If the array
	 *            is not large enough to hold all elements, the elements will be
	 *            returned in a new array of the same runtime type.
	 * @return an array of all elements in the source's collection property
	 */
	Object[] toArray(Object source, Object[] array);

	/**
	 * Adds the element to the source's collection property
	 * 
	 * @param source
	 *            the property source
	 * @param o
	 *            the element to add
	 * @return whether the element was added to the source's collection property
	 */
	boolean add(Object source, Object o);

	/**
	 * Removes the element from the source's collection property
	 * 
	 * @param source
	 *            the property source
	 * @param o
	 *            the element to remove
	 * @return whether the element was removed from the source's collection
	 *         property
	 */
	boolean remove(Object source, Object o);

	/**
	 * Returns whether the source's collection property contains all elements in
	 * the given collection
	 * 
	 * @param source
	 *            the property source
	 * @param c
	 *            the collection of elements to test for
	 * @return whether the source's collection property contains all elements in
	 *         the given collection
	 */
	boolean containsAll(Object source, Collection c);

	/**
	 * Adds all elements in the specified collection to the source's collection
	 * property.
	 * 
	 * @param source
	 *            the property source
	 * @param c
	 *            the collection of elements to add.
	 * @return whether the source's collection property was changed
	 */
	boolean addAll(Object source, Collection c);

	/**
	 * Removes all elements from the source's collection property which are
	 * contained in the specified collection.
	 * 
	 * @param source
	 *            the property source
	 * @param c
	 *            the collection of elements to be removed
	 * @return whether the source's collection property was changed
	 */
	boolean removeAll(Object source, Collection c);

	/**
	 * Removes all elements from the source's collection property which are not
	 * contained in the specified collection.
	 * 
	 * @param source
	 *            the property source
	 * @param c
	 *            the collection of elements to retain
	 * @return whether the source's collection property was changed
	 */
	boolean retainAll(Object source, Collection c);

	/**
	 * Removes all elements from the source's collection property.
	 * 
	 * @param source
	 *            the property source
	 */
	void clear(Object source);

	/**
	 * Returns whether the source's collection property is equal to the
	 * argument.
	 * 
	 * @param source
	 *            the property source
	 * @param o
	 *            the object to test for equality to the source's collection
	 *            property
	 * @return whether the source's collection property is equal to the argument
	 */
	boolean equals(Object source, Object o);

	/**
	 * Returns the hash code of the source's collection property.
	 * 
	 * @param source
	 *            the property source
	 * @return the hash code of the source's collection property
	 */
	int hashCode(Object source);

	/**
	 * Returns the type of the elements in the collection or <code>null</code>
	 * if untyped
	 * 
	 * @return the type of the elements in the collection or <code>null</code>
	 *         if untyped
	 */
	Object getElementType();
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.observable.masterdetail;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.IObserving;
import org.eclipse.core.databinding.observable.map.ComputedObservableMap;
import org.eclipse.core.databinding.observable.set.IObservableSet;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;
import org.eclipse.core.internal.databinding.IdentityWrapper;

/**
 * @since 3.3
 * 
 */
public class SetValuePropertyObservableMap extends ComputedObservableMap
		implements IObserving {
	private IValueProperty detailProperty;

	private Map masterElementListenerHooks;

	private IValuePropertyChangeListener detailListener = new IValuePropertyChangeListener() {
		public void handleValuePropertyChange(
				final ValuePropertyChangeEvent event) {
			if (!isDisposed()) {
				getRealm().exec(new Runnable() {
					public void run() {
						Object key = event.getSource();
						Object oldValue = event.diff.getOldValue();
						Object newValue = event.diff.getNewValue();
						fireMapChange(Diffs.createMapDiffSingleChange(key,
								oldValue, newValue));
					}
				});
			}
		}
	};

	/**
	 * @param keySet
	 * @param valueProperty
	 */
	public SetValuePropertyObservableMap(IObservableSet keySet,
			IValueProperty valueProperty) {
		super(keySet);
		this.detailProperty = valueProperty;
	}

	protected void firstListenerAdded() {
		masterElementListenerHooks = new HashMap();
		super.firstListenerAdded();
	}

	protected void lastListenerRemoved() {
		super.lastListenerRemoved();
		masterElementListenerHooks = null;
	}

	protected void hookListener(Object addedKey) {
		if (masterElementListenerHooks != null) {
			IPropertyListenerHook listenerHook = detailProperty.hookListener(
					addedKey, detailListener);
			masterElementListenerHooks.put(new IdentityWrapper(addedKey),
					listenerHook);
		}
	}

	protected void unhookListener(Object removedKey) {
		if (masterElementListenerHooks != null) {
			IPropertyListenerHook listenerHook = (IPropertyListenerHook) masterElementListenerHooks
					.remove(new IdentityWrapper(removedKey));
			listenerHook.dispose();
		}
	}

	protected Object doGet(Object key) {
		return detailProperty.getValue(key);
	}

	protected Object doPut(Object key, Object value) {
		Object result = detailProperty.getValue(key);
		detailProperty.setValue(key, value);
		return result;
	}

	public Object getObserved() {
		return keySet();
	}

	public synchronized void dispose() {
		if (masterElementListenerHooks != null) {
			for (Iterator it = masterElementListenerHooks.values().iterator(); it
					.hasNext();) {
				IPropertyListenerHook listenerHook = (IPropertyListenerHook) it
						.next();
				listenerHook.dispose();
			}
			masterElementListenerHooks.clear();
			masterElementListenerHooks = null;
		}
		detailProperty = null;
		detailListener = null;
		super.dispose();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.map;

import org.eclipse.core.databinding.property.IPropertyChangeListener;

/**
 * Listener for changes to map properties on a property source
 * 
 * @since 1.2
 */
public interface IMapPropertyChangeListener extends IPropertyChangeListener {
	/**
	 * Handle a change to a map property on a specific property source.
	 * 
	 * @param event
	 *            an event describing the map change that occured.
	 */
	public void handleMapPropertyChange(MapPropertyChangeEvent event);
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property;

/**
 * A registration for notification when a given property changes on a given
 * source object. When property changes are observed, they are sent to a given
 * property change listener. Disposing the context removes the listener from the
 * source object.
 * 
 * @since 1.2
 */
public interface IPropertyListenerHook {
	/**
	 * Returns the source object
	 * 
	 * @return the source object
	 */
	public Object getSource();

	/**
	 * Returns the property being listened to
	 * 
	 * @return the property being listened to
	 */
	public IProperty getProperty();

	/**
	 * Returns the property listener registered on the source object
	 * 
	 * @return the property listener registered on the source object
	 */
	public IPropertyChangeListener getListener();

	/**
	 * Returns whether this property listener hook is disposed.
	 * 
	 * @return whether this property listener hook is disposed.
	 */
	public boolean isDisposed();

	/**
	 * Disposes this property change hook, removing the listener previously
	 * registered on the property source.
	 */
	public void dispose();
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.map;

import org.eclipse.core.databinding.property.Property;

/**
 * Abstract implementation of IMapProperty
 * 
 * @since 1.2
 */
public abstract class MapProperty extends Property implements IMapProperty {
	public boolean containsKey(Object source, Object key) {
		return getMap(source).containsKey(key);
	}

	public boolean containsValue(Object source, Object value) {
		return getMap(source).containsValue(value);
	}

	public boolean equals(Object source, Object o) {
		return getMap(source).equals(o);
	}

	public Object get(Object source, Object key) {
		return getMap(source).get(key);
	}

	public int hashCode(Object source) {
		return getMap(source).hashCode();
	}

	public boolean isEmpty(Object source) {
		return getMap(source).isEmpty();
	}

	public int size(Object source) {
		return getMap(source).size();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.eclipse.core.internal.databinding.IdentityWrapper;
import org.eclipse.core.runtime.ListenerList;

/**
 * Utility class which maintains a listener list per property source object.
 * 
 * @since 1.2
 */
abstract class PropertyChangeSupport {
	private Map changeListeners;

	PropertyChangeSupport() {
		this.changeListeners = null;
	}

	/**
	 * Adds the listener to the list of listeners for the specified source
	 * 
	 * @param source
	 *            the property source
	 * @param listener
	 *            the listener to add
	 */
	synchronized final void addListener(Object source,
			IPropertyChangeListener listener) {
		boolean hadListeners = hasListeners(source);

		if (changeListeners == null) {
			changeListeners = new HashMap();
		}

		ListenerList listeners;
		IdentityWrapper identityWrapper = new IdentityWrapper(source);
		if (changeListeners.containsKey(identityWrapper)) {
			listeners = (ListenerList) changeListeners.get(identityWrapper);
		} else {
			changeListeners
					.put(identityWrapper, listeners = new ListenerList());
		}

		listeners.add(listener);

		if (!hadListeners) {
			addListenerTo(source);
		}
	}

	/**
	 * Removes the listener from the list of listeners for the specified source
	 * 
	 * @param source
	 *            the property source
	 * @param listener
	 *            the listener to remove
	 */
	synchronized final void removeListener(Object source,
			IPropertyChangeListener listener) {
		if (changeListeners != null) {
			IdentityWrapper identityWrapper = new IdentityWrapper(source);
			ListenerList listeners = (ListenerList) changeListeners
					.get(identityWrapper);
			if (listeners != null) {
				listeners.remove(listener);
				if (listeners.isEmpty()) {
					synchronized (listeners) {
						if (listeners.isEmpty()) {
							changeListeners.remove(identityWrapper);
							removeListenerFrom(source);
						}
					}
				}
			}
		}
	}

	/**
	 * Returns whether the change support has listeners registered for the given
	 * property source
	 * 
	 * @param source
	 *            the property source
	 * @return whether the change support has listeners registered for the given
	 *         property source
	 */
	synchronized final boolean hasListeners(Object source) {
		return changeListeners != null
				&& changeListeners.containsKey(new IdentityWrapper(source));
	}

	protected abstract void addListenerTo(Object source);

	protected abstract void removeListenerFrom(Object source);

	private synchronized final Object[] getListeners(Object source) {
		if (changeListeners == null)
			return null;
		ListenerList list = (ListenerList) changeListeners
				.get(new IdentityWrapper(source));
		if (list == null)
			return null;
		return list.getListeners();
	}

	/**
	 * Notifies all registered listeners of the specified property change
	 * 
	 * @param event
	 *            the property change event
	 */
	public final void firePropertyChange(PropertyChangeEvent event) {
		Object[] listeners = getListeners(event.getSource());
		if (listeners != null) {
			for (int i = 0; i < listeners.length; i++) {
				event.dispatch((IPropertyChangeListener) listeners[i]);
			}
		}
	}

	/**
	 * Diposes the change support, removing all registered listeners
	 */
	public synchronized void dispose() {
		if (changeListeners != null) {
			for (Iterator iterator = changeListeners.keySet().iterator(); iterator
					.hasNext();) {
				Object source = ((IdentityWrapper) iterator.next()).unwrap();
				removeListenerFrom(source);
				iterator.remove();
			}
			changeListeners = null;
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.property;

import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.map.IMapPropertyChangeListener;
import org.eclipse.core.databinding.property.map.MapProperty;
import org.eclipse.core.databinding.property.map.MapPropertyListenerHook;
import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.core.databinding.property.set.ISetPropertyChangeListener;
import org.eclipse.core.databinding.property.set.SetPropertyChangeEvent;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;
import org.eclipse.core.internal.databinding.IdentityWrapper;

/**
 * @since 3.3
 * 
 */
public class SetPropertyDetailValueMap extends MapProperty {
	private final ISetProperty masterProperty;
	private final IValueProperty detailProperty;

	/**
	 * @param masterProperty
	 * @param detailProperty
	 */
	public SetPropertyDetailValueMap(ISetProperty masterProperty,
			IValueProperty detailProperty) {
		this.masterProperty = masterProperty;
		this.detailProperty = detailProperty;
	}

	public Map getMap(Object source) {
		Map result = new HashMap();
		for (Iterator it = masterProperty.getSet(source).iterator(); it
				.hasNext();) {
			Object element = it.next();
			result.put(element, detailProperty.getValue(element));
		}
		return result;
	}

	public void clear(Object source) {
		throw new UnsupportedOperationException();
	}

	public Object put(Object source, Object key, Object value) {
		if (!masterProperty.contains(source, key))
			return null;
		Object result = detailProperty.getValue(key);
		detailProperty.setValue(key, value);
		return result;
	}

	public void putAll(Object source, Map t) {
		Set masterSet = masterProperty.getSet(source);
		for (Iterator it = t.entrySet().iterator(); it.hasNext();) {
			Map.Entry entry = (Map.Entry) it.next();
			if (masterSet.contains(entry.getKey())) {
				detailProperty.setValue(entry.getKey(), entry.getValue());
			}
		}
	}

	public Object remove(Object source, Object key) {
		throw new UnsupportedOperationException();
	}

	public Object getKeyType() {
		return masterProperty.getElementType();
	}

	public Object getValueType() {
		return detailProperty.getValueType();
	}

	public IPropertyListenerHook hookListener(Object source,
			IMapPropertyChangeListener listener) {
		return new PropertyListenerHook(source, listener);
	}

	private class PropertyListenerHook extends MapPropertyListenerHook
			implements ISetPropertyChangeListener, IValuePropertyChangeListener {
		private IPropertyListenerHook masterListenerHook;

		// Map <IdentityWrapper, IPropertyListenerHook>
		private Map detailListenerHooks;

		private PropertyListenerHook(Object source,
				IMapPropertyChangeListener listener) {
			super(source, SetPropertyDetailValueMap.this, listener);
		}

		public void handleSetPropertyChange(SetPropertyChangeEvent event) {
			Set removedKeys = event.diff.getRemovals();
			Set addedKeys = event.diff.getAdditions();

			unhookDetailListeners(removedKeys);
			hookDetailListeners(addedKeys);

			Map oldValues = new HashMap();
			for (Iterator it = removedKeys.iterator(); it.hasNext();) {
				Object key = it.next();
				oldValues.put(key, detailProperty.getValue(key));
			}

			Map newValues = new HashMap();
			for (Iterator it = addedKeys.iterator(); it.hasNext();) {
				Object key = it.next();
				newValues.put(key, detailProperty.getValue(key));
			}

			fireMapChange(Diffs.createMapDiff(addedKeys, removedKeys,
					Collections.EMPTY_SET, oldValues, newValues));
		}

		public void handleValuePropertyChange(ValuePropertyChangeEvent event) {
			fireMapChange(Diffs.createMapDiffSingleChange(event.getSource(),
					event.diff.getOldValue(), event.diff.getNewValue()));
		}

		protected void hookListener() {
			masterListenerHook = masterProperty.hookListener(getSource(), this);

			detailListenerHooks = new HashMap();
			hookDetailListeners(masterProperty.getSet(getSource()));
		}

		protected void unhookListener() {
			masterListenerHook.dispose();
			masterListenerHook = null;

			for (Iterator it = detailListenerHooks.values().iterator(); it
					.hasNext();) {
				IPropertyListenerHook listenerHook = (IPropertyListenerHook) it
						.next();
				listenerHook.dispose();
			}
			detailListenerHooks.clear();
			detailListenerHooks = null;
		}

		private void hookDetailListeners(Set keys) {
			for (Iterator it = keys.iterator(); it.hasNext();) {
				Object key = it.next();
				IdentityWrapper wrapper = new IdentityWrapper(key);
				IPropertyListenerHook listenerHook = detailProperty
						.hookListener(key, this);
				detailListenerHooks.put(wrapper, listenerHook);
			}
		}

		private void unhookDetailListeners(Set keys) {
			for (Iterator it = keys.iterator(); it.hasNext();) {
				Object key = it.next();
				IdentityWrapper wrapper = new IdentityWrapper(key);
				IPropertyListenerHook listenerHook = (IPropertyListenerHook) detailListenerHooks
						.remove(wrapper);
				listenerHook.dispose();
			}
		}

	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.set;

import java.util.Collection;

import org.eclipse.core.databinding.property.Property;

/**
 * Abstract implementation of ISetProperty
 * 
 * @since 1.2
 */
public abstract class SetProperty extends Property implements
		ISetProperty {
	public boolean contains(Object source, Object o) {
		return getSet(source).contains(o);
	}

	public boolean containsAll(Object source, Collection c) {
		return getSet(source).containsAll(c);
	}

	public boolean equals(Object source, Object o) {
		return getSet(source).equals(o);
	}

	public int hashCode(Object source) {
		return getSet(source).hashCode();
	}

	public boolean isEmpty(Object source) {
		return getSet(source).isEmpty();
	}

	public int size(Object source) {
		return getSet(source).size();
	}

	public Object[] toArray(Object source, Object[] array) {
		return getSet(source).toArray(array);
	}

	public Object[] toArray(Object source) {
		return getSet(source).toArray();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.map.IObservableMap;
import org.eclipse.core.databinding.observable.masterdetail.IObservableFactory;
import org.eclipse.core.databinding.observable.masterdetail.MasterDetailObservables;
import org.eclipse.core.databinding.observable.set.IObservableSet;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.map.IMapProperty;
import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.internal.databinding.observable.PropertyObservableList;
import org.eclipse.core.internal.databinding.observable.PropertyObservableMap;
import org.eclipse.core.internal.databinding.observable.PropertyObservableSet;
import org.eclipse.core.internal.databinding.observable.PropertyObservableValue;
import org.eclipse.core.internal.databinding.observable.masterdetail.ListValuePropertyObservableList;
import org.eclipse.core.internal.databinding.observable.masterdetail.MapValuePropertyObservableMap;
import org.eclipse.core.internal.databinding.observable.masterdetail.SetValuePropertyObservableMap;

/**
 * A factory for creating observables observing properties of source objects
 * 
 * @since 1.2
 */
public class PropertyObservables {
	/**
	 * Returns an observable value on the default realm that tracks the given
	 * property of the source object.
	 * 
	 * @param source
	 *            the property value
	 * @param property
	 *            the value property to observe
	 * @return an observable value on the default realm that tracks the given
	 *         property of the source object.
	 * @since 1.2
	 */
	public static IObservableValue observeValue(Object source,
			IValueProperty property) {
		return observeValue(Realm.getDefault(), source, property);
	}

	/**
	 * Returns an observable value on the given realm that tracks the given
	 * property of the source object
	 * 
	 * @param realm
	 *            the realm
	 * @param source
	 *            the property source
	 * @param property
	 *            the value property observe
	 * @return an observable value that tracks the given property of the source
	 *         object
	 * @since 1.2
	 */
	public static IObservableValue observeValue(Realm realm, Object source,
			IValueProperty property) {
		return new PropertyObservableValue(realm, source, property);
	}

	/**
	 * Returns a factory for creating observable values on the default realm
	 * tracking the given property of a particular source object
	 * 
	 * @param property
	 *            the property to observe
	 * @return a factory for creating observable values on the default realm
	 *         tracking the given property of a particular source object
	 */
	public static IObservableFactory valueFactory(IValueProperty property) {
		return valueFactory(Realm.getDefault(), property);
	}

	/**
	 * Returns a factory for creating observable values on the given realm
	 * tracking the given property of a particular source object
	 * 
	 * @param realm
	 *            the realm
	 * @param property
	 *            the property to observe
	 * @return a factory for creating observable values on the given realm
	 *         tracking the given property of a particular source object
	 */
	public static IObservableFactory valueFactory(final Realm realm,
			final IValueProperty property) {
		return new IObservableFactory() {
			public IObservable createObservable(Object target) {
				return observeValue(realm, target, property);
			}
		};
	}

	/**
	 * Returns an observable value on the master observable's realm which tracks
	 * the given property of the current value of <code>master</code>.
	 * 
	 * @param master
	 *            the master observable
	 * @param property
	 *            the property to observe
	 * @return an observable value which tracks the given property of the
	 *         current value of <code>master</code>.
	 */
	public static IObservableValue observeDetailValue(IObservableValue master,
			IValueProperty property) {
		return MasterDetailObservables.detailValue(master, valueFactory(master
				.getRealm(), property), property.getValueType());
	}

	/**
	 * Returns an observable set on the default realm that tracks the given
	 * property of the source object
	 * 
	 * @param source
	 *            the property source
	 * @param property
	 *            the property to observe
	 * @return an observable set on the default realm that tracks the given
	 *         property of the source object
	 */
	public static IObservableSet observeSet(Object source, ISetProperty property) {
		return observeSet(Realm.getDefault(), source, property);
	}

	/**
	 * Returns an observable set on the given realm that tracks the given
	 * property of the source object
	 * 
	 * @param realm
	 *            the realm
	 * @param source
	 *            the property source
	 * @param property
	 *            the property to observe
	 * @return an observable set on the given realm that tracks the given
	 *         property of the source object
	 */
	public static IObservableSet observeSet(Realm realm, Object source,
			ISetProperty property) {
		return new PropertyObservableSet(realm, source, property);
	}

	/**
	 * Returns a factory for creating observable sets on the default realm
	 * tracking the given property of a particular source object
	 * 
	 * @param property
	 *            the property to be observed
	 * @return a factory for creating observable sets on the default realm
	 *         tracking the given property of a particular source object
	 */
	public static IObservableFactory setFactory(ISetProperty property) {
		return setFactory(Realm.getDefault(), property);
	}

	/**
	 * Returns a factory for creating obervable sets on the given realm tracking
	 * the given property of a particular source object
	 * 
	 * @param realm
	 *            the realm
	 * @param property
	 *            the property to be observed
	 * @return a factory for creating obervable sets on the given realm tracking
	 *         the given property of a particular source object
	 */
	public static IObservableFactory setFactory(final Realm realm,
			final ISetProperty property) {
		return new IObservableFactory() {
			public IObservable createObservable(Object target) {
				return observeSet(realm, target, property);
			}
		};
	}

	/**
	 * Returns an observable set on the master observable's realm which tracks
	 * the given property of the current value of <code>master</code>.
	 * 
	 * @param master
	 *            the master observable
	 * @param property
	 *            the property to observe
	 * @return an observable set on the given realm which tracks the given
	 *         property of the current value of <code>master</code>.
	 */
	public static IObservableSet observeDetailSet(IObservableValue master,
			ISetProperty property) {
		return MasterDetailObservables.detailSet(master, setFactory(master
				.getRealm(), property), property.getElementType());
	}

	/**
	 * Returns an observable list on the default realm that tracks the given
	 * property of the source object
	 * 
	 * @param source
	 *            the property source
	 * @param property
	 *            the property to observe
	 * @return an observable list on the default realm that tracks the given
	 *         property of the source object
	 */
	public static IObservableList observeList(Object source,
			IListProperty property) {
		return observeList(Realm.getDefault(), source, property);
	}

	/**
	 * Returns an observable list on the given realm that tracks the given
	 * property of the source object
	 * 
	 * @param realm
	 *            the realm
	 * @param source
	 *            the property source
	 * @param property
	 *            the property to observe
	 * @return an observable list on the given realm that tracks the given
	 *         property of the source object
	 */
	public static IObservableList observeList(Realm realm, Object source,
			IListProperty property) {
		return new PropertyObservableList(realm, source, property);
	}

	/**
	 * Returns a factory for creating observable lists on the default realm
	 * tracking the given property of a particular source object
	 * 
	 * @param property
	 *            the property to be observed
	 * @return an observable value factory on
	 */
	public static IObservableFactory listFactory(IListProperty property) {
		return listFactory(Realm.getDefault(), property);
	}

	/**
	 * Returns a factory for creating obervable lists on the given realm
	 * tracking the given property of a particular source object
	 * 
	 * @param realm
	 *            the realm
	 * @param property
	 *            the property to be observed
	 * @return an observable value factory on
	 */
	public static IObservableFactory listFactory(final Realm realm,
			final IListProperty property) {
		return new IObservableFactory() {
			public IObservable createObservable(Object target) {
				return observeList(realm, target, property);
			}
		};
	}

	/**
	 * Returns an observable list on the master observable's realm which tracks
	 * the given property of the current value of <code>master</code>.
	 * 
	 * @param master
	 *            the master observable
	 * @param property
	 *            the property to observe
	 * @return an observable list on the given realm which tracks the given
	 *         property of the current value of <code>master</code>.
	 */
	public static IObservableList observeDetailList(IObservableValue master,
			IListProperty property) {
		return MasterDetailObservables.detailList(master, listFactory(master
				.getRealm(), property), property.getElementType());
	}

	/**
	 * Returns an observable list on the master observable's realm which tracks
	 * the given property of each element of <code>master</code>.
	 * 
	 * @param master
	 *            the master observable
	 * @param property
	 *            the property to observe on each element in the master
	 *            observable
	 * @return an observable
	 */
	public static IObservableList observeDetailValues(IObservableList master,
			IValueProperty property) {
		return new ListValuePropertyObservableList(master, property);
	}

	/**
	 * Returns an observable map on the default realm which tracks the given
	 * property of the source object
	 * 
	 * @param source
	 *            the property source
	 * @param property
	 *            the property to observe
	 * @return an observable map on the default realm which tracks the given
	 *         property of the source object
	 */
	public static IObservableMap observeMap(Object source, IMapProperty property) {
		return observeMap(Realm.getDefault(), source, property);
	}

	/**
	 * Returns an observable map on the given realm which tracks the given
	 * property of the source object
	 * 
	 * @param realm
	 *            the realm
	 * @param source
	 *            the property source
	 * @param property
	 *            the property to observe
	 * @return an observable map on the given realm which tracks the given
	 *         property of the source object
	 */
	public static IObservableMap observeMap(Realm realm, Object source,
			IMapProperty property) {
		return new PropertyObservableMap(realm, source, property);
	}

	/**
	 * Returns an observable map on the master observable's realm tracking the
	 * current values of the given property for the elements in the given set.
	 * 
	 * @param keySet
	 *            the master observable
	 * @param valueProperty
	 *            the property to observe on each element of the master
	 *            observable
	 * @return an observable map that tracks the current value of the given
	 *         property for the elements in the given set.
	 */
	public static IObservableMap observeDetailValues(IObservableSet keySet,
			IValueProperty valueProperty) {
		return new SetValuePropertyObservableMap(keySet, valueProperty);
	}

	/**
	 * Returns an observable map on the master observable's realm which tracks
	 * the current values of the given property for the entry values in the
	 * given map.
	 * 
	 * @param map
	 *            the master observable
	 * @param valueProperty
	 *            the property to observe on each entry value in the master
	 *            observable
	 * @return an observable map on the master observable's realm which tracks
	 *         the current value of the given property for the elements in the
	 *         given map's values collection
	 */
	public static IObservableMap observeDetailValues(IObservableMap map,
			IValueProperty valueProperty) {
		return new MapValuePropertyObservableMap(map, valueProperty);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.property;

import java.util.Collection;
import java.util.List;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.list.IListPropertyChangeListener;
import org.eclipse.core.databinding.property.list.ListProperty;
import org.eclipse.core.databinding.property.list.ListPropertyChangeEvent;
import org.eclipse.core.databinding.property.list.ListPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;

/**
 * @since 3.3
 * 
 */
public class ValuePropertyDetailList extends ListProperty {
	private final IValueProperty masterProperty;
	private final IListProperty detailProperty;

	/**
	 * @param masterProperty
	 * @param detailProperty
	 */
	public ValuePropertyDetailList(IValueProperty masterProperty,
			IListProperty detailProperty) {
		this.masterProperty = masterProperty;
		this.detailProperty = detailProperty;
	}

	public List getList(Object source) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.getList(masterValue);
	}

	public boolean add(Object source, Object o) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.add(masterValue, o);
	}

	public boolean addAll(Object source, Collection c) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.addAll(masterValue, c);
	}

	public void clear(Object source) {
		Object masterValue = masterProperty.getValue(source);
		detailProperty.clear(masterValue);
	}

	public Object getElementType() {
		return detailProperty.getElementType();
	}

	public boolean remove(Object source, Object o) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.remove(masterValue, o);
	}

	public boolean removeAll(Object source, Collection c) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.removeAll(masterValue, c);
	}

	public boolean retainAll(Object source, Collection c) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.retainAll(masterValue, c);
	}

	public void add(Object source, int index, Object element) {
		Object masterValue = masterProperty.getValue(source);
		detailProperty.add(masterValue, index, element);
	}

	public boolean addAll(Object source, int index, Collection c) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.addAll(masterValue, index, c);
	}

	public Object move(Object source, int oldIndex, int newIndex) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.move(masterValue, oldIndex, newIndex);
	}

	public Object remove(Object source, int index) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.remove(masterValue, index);
	}

	public Object set(Object source, int index, Object element) {
		Object masterValue = masterProperty.getValue(source);
		return detailProperty.set(masterValue, index, element);
	}

	public IPropertyListenerHook hookListener(Object source,
			IListPropertyChangeListener listener) {
		return new PropertyListenerHook(source, listener);
	}

	private class PropertyListenerHook extends ListPropertyListenerHook
			implements IValuePropertyChangeListener,
			IListPropertyChangeListener {
		private IPropertyListenerHook masterListenerHook;
		private IPropertyListenerHook detailListenerHook;

		private PropertyListenerHook(Object source,
				IListPropertyChangeListener listener) {
			super(source, ValuePropertyDetailList.this, listener);
		}

		public void handleValuePropertyChange(ValuePropertyChangeEvent event) {
			Object oldDetailSource = event.diff.getOldValue();
			Object newDetailSource = event.diff.getNewValue();

			unhookDetailListener();
			hookDetailListener(newDetailSource);

			List oldList = detailProperty.getList(oldDetailSource);
			List newList = detailProperty.getList(newDetailSource);
			fireListChange(Diffs.computeListDiff(oldList, newList));
		}

		public void handleListPropertyChange(ListPropertyChangeEvent event) {
			fireListChange(event.diff);
		}

		protected void hookListener() {
			masterListenerHook = masterProperty.hookListener(getSource(), this);
			hookDetailListener(masterProperty.getValue(getSource()));
		}

		protected void unhookListener() {
			masterListenerHook.dispose();
			masterListenerHook = null;

			unhookDetailListener();
		}

		private void hookDetailListener(Object detailSource) {
			detailListenerHook = detailProperty
					.hookListener(detailSource, this);
		}

		private void unhookDetailListener() {
			detailListenerHook.dispose();
			detailListenerHook = null;
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.property;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.list.ListDiffEntry;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.list.IListPropertyChangeListener;
import org.eclipse.core.databinding.property.list.ListProperty;
import org.eclipse.core.databinding.property.list.ListPropertyChangeEvent;
import org.eclipse.core.databinding.property.list.ListPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;
import org.eclipse.core.internal.databinding.IdentityWrapper;

/**
 * @since 3.3
 * 
 */
public class ListPropertyDetailValueList extends ListProperty {
	private final IListProperty masterProperty;
	private final IValueProperty detailProperty;

	/**
	 * @param masterProperty
	 * @param detailProperty
	 */
	public ListPropertyDetailValueList(IListProperty masterProperty,
			IValueProperty detailProperty) {
		this.masterProperty = masterProperty;
		this.detailProperty = detailProperty;
	}

	public List getList(Object source) {
		List result = new ArrayList();
		for (Iterator it = masterProperty.getList(source).iterator(); it
				.hasNext();) {
			result.add(detailProperty.getValue(it.next()));
		}
		return result;
	}

	public boolean add(Object source, Object o) {
		throw new UnsupportedOperationException();
	}

	public boolean addAll(Object source, Collection c) {
		throw new UnsupportedOperationException();
	}

	public void clear(Object source) {
		throw new UnsupportedOperationException();
	}

	public Object getElementType() {
		return detailProperty.getValueType();
	}

	public boolean remove(Object source, Object o) {
		throw new UnsupportedOperationException();
	}

	public boolean removeAll(Object source, Collection c) {
		throw new UnsupportedOperationException();
	}

	public boolean retainAll(Object source, Collection c) {
		throw new UnsupportedOperationException();
	}

	public void add(Object source, int index, Object element) {
		throw new UnsupportedOperationException();
	}

	public boolean addAll(Object source, int index, Collection c) {
		throw new UnsupportedOperationException();
	}

	public Object move(Object source, int oldIndex, int newIndex) {
		throw new UnsupportedOperationException();
	}

	public Object remove(Object source, int index) {
		throw new UnsupportedOperationException();
	}

	public Object set(Object source, int index, Object element) {
		Object masterElement = masterProperty.get(source, index);
		Object result = detailProperty.getValue(masterElement);
		detailProperty.setValue(masterElement, element);
		return result;
	}

	public IPropertyListenerHook hookListener(Object source,
			IListPropertyChangeListener listener) {
		return new PropertyListenerHook(source, listener);
	}

	private class PropertyListenerHook extends ListPropertyListenerHook
			implements IListPropertyChangeListener,
			IValuePropertyChangeListener {

		private IPropertyListenerHook masterListenerHook;

		// Map <IdentityWrapper, IPropertyListenerHook>
		private Map detailListenerHooks;

		private PropertyListenerHook(Object source,
				IListPropertyChangeListener listener) {
			super(source, ListPropertyDetailValueList.this, listener);
		}

		public void handleListPropertyChange(ListPropertyChangeEvent event) {
			updateDetailListenerHooks();

			ListDiffEntry[] masterEntries = event.diff.getDifferences();
			ListDiffEntry[] detailEntries = new ListDiffEntry[masterEntries.length];
			Set masterElementsAdded = new HashSet();
			Set masterElementsRemoved = new HashSet();
			for (int i = 0; i < masterEntries.length; i++) {
				ListDiffEntry masterDifference = masterEntries[i];
				int index = masterDifference.getPosition();
				boolean addition = masterDifference.isAddition();
				Object masterElement = masterDifference.getElement();
				Object elementDetailValue = detailProperty
						.getValue(masterElement);
				detailEntries[i] = Diffs.createListDiffEntry(index, addition,
						elementDetailValue);
				if (addition)
					masterElementsAdded.add(masterElement);
				else
					masterElementsRemoved.add(masterElement);
			}

			fireListChange(Diffs.createListDiff(detailEntries));
		}

		public void handleValuePropertyChange(ValuePropertyChangeEvent event) {
			int[] indices = indicesOf(event.getSource());
			Object oldValue = event.diff.getOldValue();
			Object newValue = event.diff.getNewValue();

			ListDiffEntry[] entries = new ListDiffEntry[indices.length * 2];
			for (int i = 0; i < indices.length; i++) {
				int index = indices[i];
				entries[i * 2] = Diffs.createListDiffEntry(index, false,
						oldValue);
				entries[i * 2 + 1] = Diffs.createListDiffEntry(index, true,
						newValue);
			}

			fireListChange(Diffs.createListDiff(entries));
		}

		protected void hookListener() {
			masterListenerHook = masterProperty.hookListener(getSource(), this);

			detailListenerHooks = new HashMap();
			updateDetailListenerHooks();
		}

		protected void unhookListener() {
			masterListenerHook.dispose();
			masterListenerHook = null;

			for (Iterator it = detailListenerHooks.values().iterator(); it
					.hasNext();) {
				IPropertyListenerHook listenerHook = (IPropertyListenerHook) it
						.next();
				listenerHook.dispose();
			}
			detailListenerHooks.clear();
			detailListenerHooks = null;
		}

		private void updateDetailListenerHooks() {
			Set uniqueElements = new HashSet();
			for (Iterator it = masterProperty.getList(getSource()).iterator(); it
					.hasNext();) {
				uniqueElements.add(new IdentityWrapper(it.next()));
			}

			// Iterate the existing hooks, 1) disposing every hook for elements
			// no longer in uniqueElements and 2) remove elements from
			// uniqueElements when there is already a hook for that element.
			// The second item ensures that uniqueElements contains only new
			// elements by the end of this loop.
			for (Iterator it = detailListenerHooks.entrySet().iterator(); it
					.hasNext();) {
				Map.Entry entry = (Entry) it.next();
				if (!uniqueElements.remove(entry.getKey())) {
					IPropertyListenerHook listenerHook = (IPropertyListenerHook) entry
							.getValue();
					listenerHook.dispose();
					it.remove();
				}
			}

			// Hook listeners for new elements
			for (Iterator it = uniqueElements.iterator(); it.hasNext();) {
				IdentityWrapper wrapper = (IdentityWrapper) it.next();
				Object element = wrapper.unwrap();
				detailListenerHooks.put(wrapper, detailProperty.hookListener(
						element, this));
			}
		}

		private int[] indicesOf(Object masterElement) {
			int[] indices = new int[0];

			List list = masterProperty.getList(getSource());
			for (ListIterator it = list.listIterator(); it.hasNext();) {
				if (masterElement == it.next()) {
					int[] newIndices = new int[indices.length + 1];
					System.arraycopy(indices, 0, newIndices, 0, indices.length);
					newIndices[indices.length] = it.previousIndex();
					indices = newIndices;
				}
			}

			return indices;
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.set;

import org.eclipse.core.databinding.observable.set.SetDiff;
import org.eclipse.core.databinding.property.PropertyListenerHook;

/**
 * @since 1.2
 */
public abstract class SetPropertyListenerHook extends PropertyListenerHook {
	private final ISetProperty property;
	private final ISetPropertyChangeListener listener;

	/**
	 * @param source
	 * @param property
	 * @param listener
	 */
	protected SetPropertyListenerHook(Object source, ISetProperty property,
			ISetPropertyChangeListener listener) {
		super(source, property, listener);
		this.property = property;
		this.listener = listener;
	}

	protected final void fireSetChange(SetDiff diff) {
		listener.handleSetPropertyChange(new SetPropertyChangeEvent(
				getSource(), property, diff));
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.observable.masterdetail;

import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.Set;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.IObserving;
import org.eclipse.core.databinding.observable.IStaleListener;
import org.eclipse.core.databinding.observable.ObservableTracker;
import org.eclipse.core.databinding.observable.StaleEvent;
import org.eclipse.core.databinding.observable.list.AbstractObservableList;
import org.eclipse.core.databinding.observable.list.IListChangeListener;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.list.ListChangeEvent;
import org.eclipse.core.databinding.observable.list.ListDiff;
import org.eclipse.core.databinding.observable.list.ListDiffEntry;
import org.eclipse.core.databinding.observable.set.IObservableSet;
import org.eclipse.core.databinding.observable.set.ISetChangeListener;
import org.eclipse.core.databinding.observable.set.SetChangeEvent;
import org.eclipse.core.databinding.observable.set.WritableSet;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;
import org.eclipse.core.internal.databinding.IdentityWrapper;
import org.eclipse.core.internal.databinding.Util;

/**
 * @since 3.3
 */
public class ListValuePropertyObservableList extends AbstractObservableList
		implements IObserving {
	private IObservableList masterList;
	private IValueProperty detailProperty;

	private IObservableSet knownMasterElements;
	private Map masterElementListenerHooks;

	private IListChangeListener masterListener = new IListChangeListener() {
		public void handleListChange(ListChangeEvent event) {
			if (!isDisposed()) {
				updateKnownElements();
				fireListChange(convertDiff(event.diff));
			}
		}

		private void updateKnownElements() {
			Set identityKnownElements = new HashSet();
			for (Iterator it = masterList.iterator(); it.hasNext();) {
				identityKnownElements.add(new IdentityWrapper(it.next()));
			}

			knownMasterElements.retainAll(identityKnownElements);
			knownMasterElements.addAll(identityKnownElements);
		}

		private ListDiff convertDiff(ListDiff diff) {
			// Convert diff to detail value
			ListDiffEntry[] masterEntries = diff.getDifferences();
			ListDiffEntry[] detailEntries = new ListDiffEntry[masterEntries.length];
			for (int i = 0; i < masterEntries.length; i++) {
				ListDiffEntry masterDifference = masterEntries[i];
				int index = masterDifference.getPosition();
				boolean addition = masterDifference.isAddition();
				Object masterElement = masterDifference.getElement();
				Object elementDetailValue = detailProperty
						.getValue(masterElement);
				detailEntries[i] = Diffs.createListDiffEntry(index, addition,
						elementDetailValue);
			}
			return Diffs.createListDiff(detailEntries);
		}
	};

	private IStaleListener staleListener = new IStaleListener() {
		public void handleStale(StaleEvent staleEvent) {
			fireStale();
		}
	};

	private IValuePropertyChangeListener detailListener = new IValuePropertyChangeListener() {
		public void handleValuePropertyChange(
				final ValuePropertyChangeEvent event) {
			if (!isDisposed()) {
				Object masterElement = event.getSource();
				int[] indices = indicesOf(masterElement);
				Object oldValue = event.diff.getOldValue();
				Object newValue = event.diff.getNewValue();
				ListDiffEntry[] entries = new ListDiffEntry[indices.length * 2];
				for (int i = 0; i < indices.length; i++) {
					int index = indices[i];
					entries[i * 2] = Diffs.createListDiffEntry(index, false,
							oldValue);
					entries[i * 2 + 1] = Diffs.createListDiffEntry(index, true,
							newValue);
				}

				ListDiff diff = Diffs.createListDiff(entries);
				fireListChange(diff);
			}
		}

		private int[] indicesOf(Object element) {
			List indices = new ArrayList();

			for (ListIterator it = masterList.listIterator(); it.hasNext();) {
				if (element == it.next())
					indices.add(new Integer(it.previousIndex()));
			}

			int[] result = new int[indices.size()];
			for (int i = 0; i < result.length; i++) {
				result[i] = ((Integer) indices.get(i)).intValue();
			}
			return result;
		}
	};

	/**
	 * @param masterList
	 * @param valueProperty
	 */
	public ListValuePropertyObservableList(IObservableList masterList,
			IValueProperty valueProperty) {
		super(masterList.getRealm());
		this.masterList = masterList;
		this.detailProperty = valueProperty;
	}

	protected void firstListenerAdded() {
		knownMasterElements = new WritableSet(getRealm());
		masterElementListenerHooks = new HashMap();
		knownMasterElements.addSetChangeListener(new ISetChangeListener() {
			public void handleSetChange(SetChangeEvent event) {
				for (Iterator it = event.diff.getRemovals().iterator(); it
						.hasNext();) {
					IdentityWrapper wrapper = (IdentityWrapper) it.next();
					IPropertyListenerHook listenerHook = (IPropertyListenerHook) masterElementListenerHooks
							.remove(wrapper);
					listenerHook.dispose();
				}
				for (Iterator it = event.diff.getAdditions().iterator(); it
						.hasNext();) {
					IdentityWrapper wrapper = (IdentityWrapper) it.next();
					IPropertyListenerHook listenerHook = detailProperty
							.hookListener(wrapper.unwrap(), detailListener);
					masterElementListenerHooks.put(wrapper, listenerHook);
				}
			}
		});
		for (Iterator it = masterList.iterator(); it.hasNext();) {
			knownMasterElements.add(new IdentityWrapper(it.next()));
		}

		masterList.addListChangeListener(masterListener);
		masterList.addStaleListener(staleListener);
	}

	protected void lastListenerRemoved() {
		masterList.removeListChangeListener(masterListener);
		masterList.removeStaleListener(staleListener);
		if (knownMasterElements != null) {
			knownMasterElements.clear();
			knownMasterElements.dispose();
			knownMasterElements = null;
		}
		masterElementListenerHooks = null;
	}

	protected int doGetSize() {
		getterCalled();
		return masterList.size();
	}

	private void getterCalled() {
		ObservableTracker.getterCalled(this);
	}

	public Object getElementType() {
		return detailProperty.getValueType();
	}

	public Object get(int index) {
		getterCalled();
		Object masterElement = masterList.get(index);
		return detailProperty.getValue(masterElement);
	}

	public boolean add(Object o) {
		throw new UnsupportedOperationException();
	}

	public boolean addAll(Collection c) {
		throw new UnsupportedOperationException();
	}

	public boolean addAll(int index, Collection c) {
		throw new UnsupportedOperationException();
	}

	public boolean contains(Object o) {
		getterCalled();

		for (Iterator it = masterList.iterator(); it.hasNext();) {
			if (Util.equals(detailProperty.getValue(it.next()), o))
				return true;
		}
		return false;
	}

	public boolean isEmpty() {
		getterCalled();
		return masterList.isEmpty();
	}

	public boolean isStale() {
		getterCalled();
		return masterList.isStale();
	}

	public Iterator iterator() {
		getterCalled();
		return new Iterator() {
			Iterator it = masterList.iterator();

			public boolean hasNext() {
				getterCalled();
				return it.hasNext();
			}

			public Object next() {
				getterCalled();
				Object masterElement = it.next();
				return detailProperty.getValue(masterElement);
			}

			public void remove() {
				throw new UnsupportedOperationException();
			}
		};
	}

	public Object move(int oldIndex, int newIndex) {
		throw new UnsupportedOperationException();
	}

	public boolean remove(Object o) {
		throw new UnsupportedOperationException();
	}

	public boolean removeAll(Collection c) {
		throw new UnsupportedOperationException();
	}

	public boolean retainAll(Collection c) {
		throw new UnsupportedOperationException();
	}

	public Object[] toArray() {
		getterCalled();
		Object[] masterElements = masterList.toArray();
		Object[] result = new Object[masterElements.length];
		for (int i = 0; i < result.length; i++) {
			result[i] = detailProperty.getValue(masterElements[i]);
		}
		return result;
	}

	public Object[] toArray(Object[] a) {
		getterCalled();
		Object[] masterElements = masterList.toArray();
		if (a.length < masterElements.length)
			a = (Object[]) Array.newInstance(a.getClass().getComponentType(),
					masterElements.length);
		for (int i = 0; i < masterElements.length; i++) {
			a[i] = detailProperty.getValue(masterElements[i]);
		}
		return a;
	}

	public void add(int index, Object o) {
		throw new UnsupportedOperationException();
	}

	public void clear() {
		throw new UnsupportedOperationException();
	}

	public ListIterator listIterator() {
		return listIterator(0);
	}

	public ListIterator listIterator(final int index) {
		getterCalled();
		return new ListIterator() {
			ListIterator it = masterList.listIterator(index);
			Object lastReturned;
			boolean haveIterated = false;

			public void add(Object arg0) {
				throw new UnsupportedOperationException();
			}

			public boolean hasNext() {
				getterCalled();
				return it.hasNext();
			}

			public boolean hasPrevious() {
				getterCalled();
				return it.hasPrevious();
			}

			public Object next() {
				getterCalled();
				Object result = lastReturned = detailProperty.getValue(it
						.next());
				haveIterated = true;
				return result;
			}

			public int nextIndex() {
				getterCalled();
				return it.nextIndex();
			}

			public Object previous() {
				getterCalled();
				Object result = lastReturned = detailProperty.getValue(it
						.previous());
				haveIterated = true;
				return result;
			}

			public int previousIndex() {
				getterCalled();
				return it.previousIndex();
			}

			public void remove() {
				throw new UnsupportedOperationException();
			}

			public void set(Object o) {
				checkRealm();
				if (!haveIterated)
					throw new IllegalStateException();
				// if listeners are registered, the value property listener will
				// cause the list change event to fire. otherwise it doesn't
				// matter because noone is listening
				detailProperty.setValue(lastReturned, o);
			}
		};
	}

	public Object remove(int index) {
		throw new UnsupportedOperationException();
	}

	public Object set(int index, Object o) {
		checkRealm();
		Object masterElement = masterList.get(index);
		Object oldValue = detailProperty.getValue(masterElement);
		detailProperty.setValue(masterElement, o);
		return oldValue;
	}

	public Object getObserved() {
		return masterList;
	}

	public synchronized void dispose() {
		if (masterList != null) {
			masterList.removeListChangeListener(masterListener);
			masterList = null;
		}
		if (knownMasterElements != null) {
			knownMasterElements.clear(); // detaches listeners
			knownMasterElements.dispose();
			knownMasterElements = null;
		}

		masterListener = null;
		detailListener = null;
		detailProperty = null;
		masterElementListenerHooks = null;

		super.dispose();
	}
}

/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.list;

import org.eclipse.core.databinding.property.IPropertyChangeListener;

/**
 * Listener for changes to list properties on a property source
 * 
 * @since 1.2
 */
public interface IListPropertyChangeListener extends IPropertyChangeListener {
	/**
	 * Handle a change to a list property on a specific property source.
	 * 
	 * @param event
	 *            an event describing the list change that occured.
	 */
	public void handleListPropertyChange(ListPropertyChangeEvent event);
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation
 ******************************************************************************/

package org.eclipse.core.databinding.property.map;

import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.map.MapDiff;
import org.eclipse.core.internal.databinding.Util;

/**
 * Simplified abstract implementation of IMapProperty. This class takes care of
 * most of the functional requirements for an IMapProperty implementation,
 * leaving only the property-specific details to subclasses.
 * <p>
 * Subclasses must implement these methods:
 * <ul>
 * <li>{@link #getKeyType()}
 * <li>{@link #getValueType()}
 * </ul>
 * 
 * @since 1.2
 */
public abstract class SimpleMapProperty extends MapProperty {
	/**
	 * Updates the property on the source with the specified change.
	 * 
	 * @param source
	 *            the property source
	 * @param map
	 *            the new map
	 * @param diff
	 *            a diff describing the change
	 */
	protected abstract void setMap(Object source, Map map, MapDiff diff);

	public void clear(Object source) {
		if (!isEmpty(source)) {
			setMap(source, new HashMap(), Diffs
					.createMapDiffRemoveAll(new HashMap(getMap(source))));
		}
	}

	public Object put(Object source, Object key, Object value) {
		Map map = new HashMap(getMap(source));
		boolean addition = !map.containsKey(key);
		Object result = map.put(key, value);
		MapDiff diff;
		if (addition) {
			diff = Diffs.createMapDiffSingleAdd(key, value);
		} else {
			diff = Diffs.createMapDiffSingleChange(key, result, value);
		}
		setMap(source, map, diff);
		return result;
	}

	public void putAll(Object source, Map t) {
		if (t.isEmpty())
			return;

		Map map = new HashMap(getMap(source));
		Set addedKeys = new HashSet();
		Set changedKeys = new HashSet();
		Map oldValues = new HashMap();
		Map newValues = new HashMap();
		for (Iterator it = t.entrySet().iterator(); it.hasNext();) {
			Map.Entry entry = (Map.Entry) it.next();
			Object key = entry.getKey();
			Object newValue = entry.getValue();
			boolean addition = !map.containsKey(key);
			Object oldValue = map.put(key, newValue);
			if (addition) {
				addedKeys.add(key);
			} else if (!Util.equals(oldValue, newValue)) {
				changedKeys.add(key);
				oldValues.put(key, oldValue);
			}
			newValues.put(key, newValue);
		}
		setMap(source, map, Diffs.createMapDiff(addedKeys,
				Collections.EMPTY_SET, changedKeys, oldValues, newValues));
	}

	public Object remove(Object source, Object key) {
		Map map = getMap(source);
		if (map.containsKey(key)) {
			map = new HashMap(map);
			Object result = map.remove(key);
			setMap(source, map, Diffs.createMapDiffSingleRemove(key, result));
			return result;
		}
		return null;
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property;

/**
 * Marker interface for all listener types in the properties framework.
 * 
 * @noimplement This interface is not intended to be implemented by clients.
 * 
 * @since 1.2
 */
public interface IPropertyChangeListener {
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.set;

import java.util.Set;

import org.eclipse.core.databinding.property.ICollectionProperty;
import org.eclipse.core.databinding.property.IPropertyListenerHook;

/**
 * Interface for set-typed properties
 * 
 * @since 1.2
 * @noimplement This interface is not intended to be implemented by clients.
 */
public interface ISetProperty extends ICollectionProperty {
	/**
	 * Returns a Set with the current contents of the source's set property
	 * 
	 * @param source
	 *            the property source
	 * @return a Set with the current contents of the source's set property
	 */
	public Set getSet(Object source);

	/**
	 * Registers the specified set property change listener to be notified when
	 * a property change event is fired from the given property source.
	 * 
	 * @param source
	 *            the property source
	 * @param listener
	 *            the listener to adapt
	 * @return a listener context for unhooking the change listener when it is
	 *         no longer needed
	 */
	public IPropertyListenerHook hookListener(Object source,
			ISetPropertyChangeListener listener);
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.list;

import org.eclipse.core.databinding.observable.list.ListDiff;
import org.eclipse.core.databinding.property.IPropertyChangeListener;
import org.eclipse.core.databinding.property.PropertyChangeEvent;
import org.eclipse.core.runtime.Assert;

/**
 * List change event describing an incremental change of a list property on a
 * particular property source.
 * 
 * @since 1.2
 */
public class ListPropertyChangeEvent extends PropertyChangeEvent {
	private static final long serialVersionUID = 1L;

	/**
	 * The list property that changed
	 */
	public final IListProperty property;

	/**
	 * ListDiff enumerating the added and removed elements in the list.
	 */
	public final ListDiff diff;

	/**
	 * Constructs a ListPropertyChangeEvent with the given attributes
	 * 
	 * @param source
	 *            the property source
	 * @param property
	 *            the property that changed on the source
	 * @param diff
	 *            a ListDiff describing the changes to the list property
	 */
	public ListPropertyChangeEvent(Object source, IListProperty property,
			ListDiff diff) {
		super(source);
		this.property = property;
		Assert.isNotNull(diff, "diff cannot be null"); //$NON-NLS-1$
		this.diff = diff;
	}

	protected void dispatch(IPropertyChangeListener listener) {
		((IListPropertyChangeListener) listener).handleListPropertyChange(this);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.map;

import org.eclipse.core.databinding.observable.map.MapDiff;
import org.eclipse.core.databinding.property.PropertyListenerHook;

/**
 * @since 1.2
 */
public abstract class MapPropertyListenerHook extends PropertyListenerHook {
	private final IMapProperty property;
	private final IMapPropertyChangeListener listener;

	/**
	 * @param source
	 * @param property
	 * @param listener
	 */
	protected MapPropertyListenerHook(Object source, IMapProperty property,
			IMapPropertyChangeListener listener) {
		super(source, property, listener);
		this.property = property;
		this.listener = listener;
	}

	protected final void fireMapChange(MapDiff diff) {
		listener.handleMapPropertyChange(new MapPropertyChangeEvent(
				getSource(), property, diff));
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.observable;

import java.util.Collection;
import java.util.ConcurrentModificationException;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.set.AbstractObservableSet;
import org.eclipse.core.databinding.property.IProperty;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.IPropertyObservable;
import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.core.databinding.property.set.ISetPropertyChangeListener;
import org.eclipse.core.databinding.property.set.SetPropertyChangeEvent;

/**
 * @since 3.3
 * 
 */
public class PropertyObservableSet extends AbstractObservableSet implements
		IPropertyObservable {
	private Object source;
	private ISetProperty property;

	private boolean updating = false;

	private transient volatile int modCount = 0;

	private IPropertyListenerHook listenerHook;

	/**
	 * @param realm
	 * @param source
	 * @param property
	 */
	public PropertyObservableSet(Realm realm, Object source,
			ISetProperty property) {
		super(realm);
		this.source = source;
		this.property = property;
	}

	protected void firstListenerAdded() {
		if (!isDisposed()) {
			ISetPropertyChangeListener listener = new ISetPropertyChangeListener() {
				public void handleSetPropertyChange(
						final SetPropertyChangeEvent event) {
					if (!isDisposed() && !updating) {
						getRealm().exec(new Runnable() {
							public void run() {
								modCount++;
								fireSetChange(event.diff);
							}
						});
					}
				}
			};
			listenerHook = property.hookListener(source, listener);
		}
	}

	protected void lastListenerRemoved() {
		if (listenerHook != null) {
			listenerHook.dispose();
			listenerHook = null;
		}
	}

	protected Set getWrappedSet() {
		return property.getSet(source);
	}

	public Object getElementType() {
		return property.getElementType();
	}

	// Queries

	protected int doGetSize() {
		return property.size(source);
	}

	// Single change operations

	public boolean add(Object o) {
		checkRealm();
		return property.add(source, o);
	}

	public Iterator iterator() {
		getterCalled();
		return new Iterator() {
			int expectedModCount = modCount;
			Iterator delegate = new HashSet(property.getSet(source)).iterator();
			Object last = null;

			public boolean hasNext() {
				getterCalled();
				checkForComodification();
				return delegate.hasNext();
			}

			public Object next() {
				getterCalled();
				checkForComodification();
				Object next = delegate.next();
				last = next;
				return next;
			}

			public void remove() {
				checkRealm();
				checkForComodification();

				delegate.remove(); // stay in sync

				property.remove(source, last);

				last = null;
				expectedModCount = modCount;
			}

			private void checkForComodification() {
				if (expectedModCount != modCount)
					throw new ConcurrentModificationException();
			}
		};
	}

	public boolean remove(Object o) {
		getterCalled();
		return property.remove(source, o);
	}

	// Bulk change operations

	public boolean addAll(Collection c) {
		getterCalled();
		return property.addAll(source, c);
	}

	public boolean removeAll(Collection c) {
		getterCalled();
		return property.removeAll(source, c);
	}

	public boolean retainAll(Collection c) {
		getterCalled();
		return property.retainAll(source, c);
	}

	public void clear() {
		getterCalled();
		property.clear(source);
	}

	public boolean equals(Object o) {
		return property.equals(source, o);
	}

	public int hashCode() {
		return property.hashCode(source);
	}

	public Object getObserved() {
		return source;
	}

	public IProperty getProperty() {
		return property;
	}

	public synchronized void dispose() {
		if (listenerHook != null) {
			listenerHook.dispose();
			listenerHook = null;
		}
		property = null;
		source = null;
		super.dispose();
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property.map;

import org.eclipse.core.databinding.observable.map.MapDiff;
import org.eclipse.core.databinding.property.IPropertyChangeListener;
import org.eclipse.core.databinding.property.PropertyChangeEvent;
import org.eclipse.core.runtime.Assert;

/**
 * Map change event describing an incremental change of a map property on a
 * particular property source.
 * 
 * @since 1.2
 */
public class MapPropertyChangeEvent extends PropertyChangeEvent {
	private static final long serialVersionUID = 1L;

	/**
	 * The map property that changed
	 */
	public final IMapProperty property;

	/**
	 * MapDiff enumerating the added, changed, and removed entries in the map.
	 */
	public final MapDiff diff;

	/**
	 * Constructs a MapPropertyChangeEvent with the given attributes
	 * 
	 * @param source
	 *            the property source
	 * @param property
	 *            the property that changed on the source
	 * @param diff
	 *            a MapDiff describing the changes to the map property
	 */
	public MapPropertyChangeEvent(Object source, IMapProperty property,
			MapDiff diff) {
		super(source);
		this.property = property;
		Assert.isNotNull(diff, "diff cannot be null"); //$NON-NLS-1$
		this.diff = diff;
	}

	protected void dispatch(IPropertyChangeListener listener) {
		((IMapPropertyChangeListener) listener).handleMapPropertyChange(this);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.property;

/**
 * Abstract implementation of IProperty
 * 
 * @since 1.2
 */
public abstract class Property implements IProperty {
}




/*******************************************************************************
 * Copyright (c) 2006, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 171616
 *     Matthew hall - bugs 223164, 241585, 226289, 246103
 *******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;

import org.eclipse.core.databinding.beans.IBeanObservable;
import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.map.ComputedObservableMap;
import org.eclipse.core.databinding.observable.set.IObservableSet;
import org.eclipse.core.databinding.util.Policy;
import org.eclipse.core.internal.databinding.Util;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;

/**
 * @since 1.0
 * 
 */
public class JavaBeanObservableMap extends ComputedObservableMap implements
		IBeanObservable {

	private PropertyDescriptor propertyDescriptor;
	
	private PropertyChangeListener elementListener = new PropertyChangeListener() {
		public void propertyChange(final java.beans.PropertyChangeEvent event) {
			if (!updating) {
				getRealm().exec(new Runnable() {
					public void run() {
						Object source = event.getSource();
						Object oldValue = event.getOldValue();
						Object newValue = event.getNewValue();
						if (oldValue == null && newValue == null) {
							oldValue = cachedValues.get(new IdentityWrapper(
									source));
							newValue = doGet(source);
						}
						cachedValues.put(new IdentityWrapper(source), newValue);
						if (!Util.equals(oldValue, newValue)) {
							fireMapChange(Diffs.createMapDiffSingleChange(
									source, oldValue, newValue));
						}
					}
				});
			}
		}
	};

	private ListenerSupport listenerSupport;

	private boolean updating = false;

	private boolean attachListeners;

	// Applicable only while hasListeners() == true
	private Map cachedValues;

	/**
	 * @param domain
	 * @param propertyDescriptor
	 */
	public JavaBeanObservableMap(IObservableSet domain,
			PropertyDescriptor propertyDescriptor) {
		this(domain, propertyDescriptor, true);
	}

	/**
	 * @param domain
	 * @param propertyDescriptor
	 * @param attachListeners
	 */
	public JavaBeanObservableMap(IObservableSet domain,
			PropertyDescriptor propertyDescriptor, boolean attachListeners) {
		super(domain, propertyDescriptor.getPropertyType());

		this.propertyDescriptor = propertyDescriptor;
		this.attachListeners = attachListeners;
		if (attachListeners) {
			this.listenerSupport = new ListenerSupport(elementListener,
					propertyDescriptor.getName());
		}
	}

	protected void firstListenerAdded() {
		if (attachListeners) {
			cachedValues = new HashMap();
		}
		super.firstListenerAdded();
	}

	protected void lastListenerRemoved() {
		super.lastListenerRemoved();
		if (attachListeners) {
			cachedValues = null;
		}
	}

	protected void hookListener(Object domainElement) {
		if (attachListeners && domainElement != null) {
			listenerSupport.hookListener(domainElement);
			cachedValues.put(new IdentityWrapper(domainElement),
					doGet(domainElement));
		}
	}

	protected void unhookListener(Object domainElement) {
		if (attachListeners && domainElement != null) {
			cachedValues.remove(new IdentityWrapper(domainElement));
			listenerSupport.unhookListener(domainElement);
		}
	}

	protected Object doGet(Object key) {
		if (key == null) {
			return null;
		}
		try {
			Method readMethod = propertyDescriptor.getReadMethod();
			if (!readMethod.isAccessible()) {
				readMethod.setAccessible(true);
			}
			return readMethod.invoke(key, new Object[0]);
		} catch (Exception e) {
			Policy.getLog().log(
					new Status(IStatus.ERROR, Policy.JFACE_DATABINDING,
							IStatus.ERROR, "cannot get value", e)); //$NON-NLS-1$
			throw new RuntimeException(e);
		}
	}

	protected Object doPut(Object key, Object value) {
		try {
			Object oldValue = get(key);
			if (!Util.equals(oldValue, value)) {
				Method writeMethod = propertyDescriptor.getWriteMethod();
				if (!writeMethod.isAccessible()) {
					writeMethod.setAccessible(true);
				}
				writeMethod.invoke(key, new Object[] { value });
			}

			if (hasListeners()) {
				// oldValue contains the live value which may be different from
				// the cached value if the bean does not have listener API or
				// does not fire events properly. For consistency we want to
				// provide the cached value as the old value, rather than the
				// live value so that consumers that hook/unhook listeners can
				// do so without maintaining caches of their own.
				Object newValue = doGet(key);
				oldValue = cachedValues.put(new IdentityWrapper(key), newValue);

				if (!Util.equals(oldValue, newValue)) {
					fireSingleChange(key, oldValue, newValue);
				}
			}
			return oldValue;
		} catch (Exception e) {
			Policy.getLog().log(
					new Status(IStatus.ERROR, Policy.JFACE_DATABINDING,
							IStatus.ERROR, "cannot set value", e)); //$NON-NLS-1$
			throw new RuntimeException(e);
		}
	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.databinding.beans.IBeanObservable#getObserved()
	 */
	public Object getObserved() {
		return keySet();
	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.databinding.beans.IBeanObservable#getPropertyDescriptor()
	 */
	public PropertyDescriptor getPropertyDescriptor() {
		return propertyDescriptor;
	}
}




/*******************************************************************************
 * Copyright (c) 2006-2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 171616
 *     Matthew Hall - bugs 208858, 221351, 213145, 223164, 244098
 *     Mike Evans - bug 217558
 *******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Array;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

import org.eclipse.core.databinding.BindingException;
import org.eclipse.core.databinding.beans.IBeanObservable;
import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.list.ListDiffEntry;
import org.eclipse.core.databinding.observable.list.ObservableList;

/**
 * @since 1.0
 * 
 */
public class JavaBeanObservableList extends ObservableList implements
		IBeanObservable {

	private final Object object;

	private boolean updating = false;

	private PropertyDescriptor descriptor;

	private ListenerSupport listenerSupport;

	/**
	 * @param realm
	 * @param object
	 * @param descriptor
	 * @param elementType
	 */
	public JavaBeanObservableList(Realm realm, Object object,
			PropertyDescriptor descriptor, Class elementType) {
		this(realm, object, descriptor, elementType, true);
	}

	/**
	 * @param realm
	 * @param object
	 * @param descriptor
	 * @param elementType
	 * @param attachListeners
	 */
	public JavaBeanObservableList(Realm realm, Object object,
			PropertyDescriptor descriptor, Class elementType,
			boolean attachListeners) {

		super(realm, new ArrayList(), elementType);
		this.object = object;
		this.descriptor = descriptor;

		if (attachListeners) {
			PropertyChangeListener listener = new PropertyChangeListener() {
				public void propertyChange(java.beans.PropertyChangeEvent event) {
					if (!updating) {
						getRealm().exec(new Runnable() {
							public void run() {
								updateWrappedList(new ArrayList(Arrays
										.asList(getValues())));
							}
						});
					}
				}
			};
			this.listenerSupport = new ListenerSupport(listener,
					descriptor.getName());
			listenerSupport.hookListener(this.object);
		}

		// initialize list without firing events
		wrappedList.addAll(Arrays.asList(getValues()));
	}

	public void dispose() {
		if (listenerSupport != null) {
			listenerSupport.dispose();
			listenerSupport = null;
		}
		super.dispose();
	}

	private Object primGetValues() {
		Exception ex = null;
		try {
			Method readMethod = descriptor.getReadMethod();
			if (!readMethod.isAccessible()) {
				readMethod.setAccessible(true);
			}
			return readMethod.invoke(object, new Object[0]);
		} catch (IllegalArgumentException e) {
			ex = e;
		} catch (IllegalAccessException e) {
			ex = e;
		} catch (InvocationTargetException e) {
			ex = e;
		}
		throw new BindingException("Could not read collection values", ex); //$NON-NLS-1$
	}

	private Object[] getValues() {
		Object[] values = null;

		Object result = primGetValues();
		if (descriptor.getPropertyType().isArray())
			values = (Object[]) result;
		else {
			// TODO add jUnit for POJO (var. SettableValue) collections
			Collection list = (Collection) result;
			if (list != null) {
				values = list.toArray();
			}
		}
		if (values == null)
			values = new Object[0];
		return values;
	}

	public Object getObserved() {
		return object;
	}

	public PropertyDescriptor getPropertyDescriptor() {
		return descriptor;
	}

	private void setValues() {
		if (descriptor.getPropertyType().isArray()) {
			Class componentType = descriptor.getPropertyType()
					.getComponentType();
			Object[] newArray = (Object[]) Array.newInstance(componentType,
					wrappedList.size());
			wrappedList.toArray(newArray);
			primSetValues(newArray);
		} else {
			// assume that it is a java.util.List
			primSetValues(new ArrayList(wrappedList));
		}
	}

	private void primSetValues(Object newValue) {
		Exception ex = null;
		try {
			Method writeMethod = descriptor.getWriteMethod();
			if (!writeMethod.isAccessible()) {
				writeMethod.setAccessible(true);
			}
			writeMethod.invoke(object, new Object[] { newValue });
			return;
		} catch (IllegalArgumentException e) {
			ex = e;
		} catch (IllegalAccessException e) {
			ex = e;
		} catch (InvocationTargetException e) {
			ex = e;
		}
		throw new BindingException("Could not write collection values", ex); //$NON-NLS-1$
	}

	public Object set(int index, Object element) {
		getterCalled();
		updating = true;
		try {
			Object oldElement = wrappedList.set(index, element);
			setValues();
			fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
					index, false, oldElement), Diffs.createListDiffEntry(index,
					true, element)));
			return oldElement;
		} finally {
			updating = false;
		}
	}

	public Object move(int oldIndex, int newIndex) {
		getterCalled();
		updating = true;
		try {
			int size = wrappedList.size();
			if (oldIndex < 0 || oldIndex >= size)
				throw new IndexOutOfBoundsException(
						"oldIndex: " + oldIndex + ", size:" + size); //$NON-NLS-1$ //$NON-NLS-2$
			if (newIndex < 0 || newIndex >= size)
				throw new IndexOutOfBoundsException(
						"newIndex: " + newIndex + ", size:" + size); //$NON-NLS-1$ //$NON-NLS-2$
			if (oldIndex == newIndex)
				return wrappedList.get(oldIndex);
			Object element = wrappedList.remove(oldIndex);
			wrappedList.add(newIndex, element);
			setValues();
			fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
					oldIndex, false, element), Diffs.createListDiffEntry(
					newIndex, true, element)));
			return element;
		} finally {
			updating = false;
		}
	}

	public Object remove(int index) {
		getterCalled();
		updating = true;
		try {
			Object oldElement = wrappedList.remove(index);
			setValues();
			fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
					index, false, oldElement)));
			return oldElement;
		} finally {
			updating = false;
		}
	}

	public boolean add(Object element) {
		updating = true;
		try {
			int index = wrappedList.size();
			boolean result = wrappedList.add(element);
			setValues();
			fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
					index, true, element)));
			return result;
		} finally {
			updating = false;
		}
	}

	public void add(int index, Object element) {
		updating = true;
		try {
			wrappedList.add(index, element);
			setValues();
			fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
					index, true, element)));
		} finally {
			updating = false;
		}
	}

	public boolean addAll(Collection c) {
		if (c.isEmpty()) {
			return false;
		}
		updating = true;
		try {
			int index = wrappedList.size();
			boolean result = wrappedList.addAll(c);
			setValues();
			ListDiffEntry[] entries = new ListDiffEntry[c.size()];
			int i = 0;
			for (Iterator it = c.iterator(); it.hasNext();) {
				Object o = it.next();
				entries[i++] = Diffs.createListDiffEntry(index++, true, o);
			}
			fireListChange(Diffs.createListDiff(entries));
			return result;
		} finally {
			updating = false;
		}
	}

	public boolean addAll(int index, Collection c) {
		if (c.isEmpty()) {
			return false;
		}
		updating = true;
		try {
			boolean result = wrappedList.addAll(index, c);
			setValues();
			ListDiffEntry[] entries = new ListDiffEntry[c.size()];
			int i = 0;
			for (Iterator it = c.iterator(); it.hasNext();) {
				Object o = it.next();
				entries[i++] = Diffs.createListDiffEntry(index++, true, o);
			}
			fireListChange(Diffs.createListDiff(entries));
			return result;
		} finally {
			updating = false;
		}
	}

	public boolean remove(Object o) {
		getterCalled();
		int index = wrappedList.indexOf(o);
		if (index == -1) {
			return false;
		}
		updating = true;
		try {
			Object oldElement = wrappedList.remove(index);
			setValues();
			fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
					index, false, oldElement)));
			return true;
		} finally {
			updating = false;
		}
	}

	public boolean removeAll(Collection c) {
		getterCalled();
		boolean changed = false;
		updating = true;
		try {
			List diffEntries = new ArrayList();
			for (Iterator it = c.iterator(); it.hasNext();) {
				Object o = it.next();
				int index = wrappedList.indexOf(o);
				if (index != -1) {
					changed = true;
					Object oldElement = wrappedList.remove(index);
					diffEntries.add(Diffs.createListDiffEntry(index, false,
							oldElement));
				}
			}
			if (changed) {
				setValues();
				fireListChange(Diffs
						.createListDiff((ListDiffEntry[]) diffEntries
								.toArray(new ListDiffEntry[diffEntries.size()])));
			}
			return changed;
		} finally {
			updating = false;
		}
	}

	public boolean retainAll(Collection c) {
		getterCalled();
		boolean changed = false;
		updating = true;
		try {
			List diffEntries = new ArrayList();
			int index = 0;
			for (Iterator it = wrappedList.iterator(); it.hasNext();) {
				Object o = it.next();
				boolean retain = c.contains(o);
				if (retain) {
					index++;
				} else {
					changed = true;
					it.remove();
					diffEntries.add(Diffs.createListDiffEntry(index, false, o));
				}
			}
			if (changed) {
				setValues();
				fireListChange(Diffs
						.createListDiff((ListDiffEntry[]) diffEntries
								.toArray(new ListDiffEntry[diffEntries.size()])));
			}
			return changed;
		} finally {
			updating = false;
		}
	}

	public void clear() {
		updating = true;
		try {
			List diffEntries = new ArrayList();
			for (Iterator it = wrappedList.iterator(); it.hasNext();) {
				Object o = it.next();
				diffEntries.add(Diffs.createListDiffEntry(0, false, o));
			}
			wrappedList.clear();
			setValues();
			fireListChange(Diffs.createListDiff((ListDiffEntry[]) diffEntries
					.toArray(new ListDiffEntry[diffEntries.size()])));
		} finally {
			updating = false;
		}
	}

}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 118516
 *******************************************************************************/
package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.util.Policy;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;

/**
 * This is a helper that will hook up and listen for <code>PropertyChangeEvent</code> events
 * for a set of target JavaBeans
 * 
 * @since 1.0
 */
public class ListenerSupport {

	private Set elementsListenedTo = new HashSet();
	
	private PropertyChangeListener listener;

	private String propertyName;

	/**
	 * Constructs a new instance.
	 * 
	 * @param listener is the callback that will be called
	 * 		when a <code>PropertyChangeEvent</code> is fired on any
	 * 		of the target objects.  Will only receive change events 
	 * 		when the provided <code>propertyName</code> changes.
	 * @param propertyName
	 */
	public ListenerSupport(final PropertyChangeListener listener,
			final String propertyName) {
		Assert.isNotNull(listener, "Listener cannot be null"); //$NON-NLS-1$
		Assert.isNotNull(propertyName, "Property name cannot be null"); //$NON-NLS-1$

		this.propertyName = propertyName;
		this.listener = new PropertyChangeListener() {
			public void propertyChange(PropertyChangeEvent evt) {
				if (propertyName.equals(evt.getPropertyName())) {
					listener.propertyChange(evt);
				}
			}
		};
	}

	/**
	 * Start listen to target (if it supports the JavaBean property change listener pattern)
	 * 
	 * @param target
	 */
	public void hookListener(Object target) {
		if (processListener(
				"addPropertyChangeListener", "Could not attach listener to ", target)) { //$NON-NLS-1$ //$NON-NLS-2$
			elementsListenedTo.add(new IdentityWrapper(target));
		}
	}
		
	/**
	 * Add listeners for new targets (those this instance of<code>ListenerSupport</code> does not 
	 * already listen to),
	 * Stop to listen to those object that this instance listen to and is one of the object in targets 
	 * 
	 * @param targets 
	 */
	public void setHookTargets(Object[] targets) {		
		Set elementsToUnhook = new HashSet(elementsListenedTo);
		if (targets!=null) {
			for (int i = 0; i < targets.length; i++) {
				Object newValue = targets[i];
				IdentityWrapper identityWrapper = new IdentityWrapper(newValue);
				if(!elementsToUnhook.remove(identityWrapper)) 				
					hookListener(newValue);
			}
		}
			
		for (Iterator it = elementsToUnhook.iterator(); it.hasNext();) {
			Object o = it.next();
			if (o.getClass()!=IdentityWrapper.class)
				o = new IdentityWrapper(o);
			elementsListenedTo.remove(o);
			unhookListener(o);
		}							
	}
	
	/**
	 * Stop listen to target
	 * 
	 * @param target
	 */
	public void unhookListener(Object target) {
		if (target.getClass() == IdentityWrapper.class)
			target = ((IdentityWrapper) target).unwrap();

		if (processListener(
				"removePropertyChangeListener", "Cound not remove listener from ", target)) { //$NON-NLS-1$//$NON-NLS-2$
			elementsListenedTo.remove(new IdentityWrapper(target));
		}
	}
	
	
	/**
	 * 
	 */
	public void dispose() {
		if (elementsListenedTo!=null) {
			Object[] targets = elementsListenedTo.toArray();		
			for (int i = 0; i < targets.length; i++) {		
				unhookListener(targets[i]);
			}			
			elementsListenedTo=null;
			listener=null;
		}
	}
	
	/**
	 * @return elements that were registred to
	 */
	public Object[] getHookedTargets() {
		Object[] targets = null;
		if (elementsListenedTo!=null && elementsListenedTo.size()>0) {
			Object[] identityList = elementsListenedTo.toArray();
			targets = new Object[identityList.length];
			for (int i = 0; i < identityList.length; i++) 
				targets[i]=((IdentityWrapper)identityList[i]).unwrap();							
		}
		return targets;
	}

	/**
	 * Invokes the method for the provided <code>methodName</code> attempting
	 * to first use the method with the property name and then the unnamed
	 * version.
	 * 
	 * @param methodName
	 *            either addPropertyChangeListener or
	 *            removePropertyChangeListener
	 * @param message
	 *            string that will be prefixed to the target in an error message
	 * @param target
	 *            object to invoke the method on
	 * @return <code>true</code> if the method was invoked successfully
	 */
	private boolean processListener(String methodName, String message,
			Object target) {
		Method method = null;
		Object[] parameters = null;

		try {
			try {
				method = target.getClass().getMethod(
						methodName,
						new Class[] { String.class,
								PropertyChangeListener.class });

				parameters = new Object[] { propertyName, listener };
			} catch (NoSuchMethodException e) {
				method = target.getClass().getMethod(methodName,
						new Class[] { PropertyChangeListener.class });

				parameters = new Object[] { listener };
			}
		} catch (SecurityException e) {
			// ignore
		} catch (NoSuchMethodException e) {
			log(IStatus.WARNING, message + target, e);
		}

		if (method != null) {
			if (!method.isAccessible()) {
				method.setAccessible(true);
			}
			try {
				method.invoke(target, parameters);
				return true;
			} catch (IllegalArgumentException e) {
				log(IStatus.WARNING, message + target, e);
			} catch (IllegalAccessException e) {
				log(IStatus.WARNING, message + target, e);
			} catch (InvocationTargetException e) {
				log(IStatus.WARNING, message + target, e);
			}
		}
		return false;
	}

	/**
	 * Logs a message to the Data Binding logger.
	 */
	private void log(int severity, String message, Throwable throwable) {
		if (BeansObservables.DEBUG) {
			Policy.getLog().log(
					new Status(severity, Policy.JFACE_DATABINDING, IStatus.OK,
							message, throwable));
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 221704)
 *     Matthew Hall - bug 223164, 226289, 244098, 246103
 *******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import org.eclipse.core.databinding.BindingException;
import org.eclipse.core.databinding.beans.IBeanObservable;
import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.map.ObservableMap;
import org.eclipse.core.internal.databinding.Util;
import org.eclipse.core.runtime.Assert;

/**
 * @since 1.0
 * 
 */
public class JavaBeanPropertyObservableMap extends ObservableMap implements
		IBeanObservable {

	private final Object object;

	private Object keyType;
	private Object valueType;

	private boolean updating = false;

	private PropertyDescriptor descriptor;

	private ListenerSupport listenerSupport;

	/**
	 * @param realm
	 * @param object
	 * @param descriptor
	 * @param keyType
	 * @param valueType
	 */
	public JavaBeanPropertyObservableMap(Realm realm, Object object,
			PropertyDescriptor descriptor, Object keyType, Object valueType) {
		this(realm, object, descriptor, keyType, valueType, true);
	}

	/**
	 * @param realm
	 * @param object
	 * @param descriptor
	 * @param keyType
	 * @param valueType
	 * @param attachListeners
	 */
	public JavaBeanPropertyObservableMap(Realm realm, Object object,
			PropertyDescriptor descriptor, Object keyType, Object valueType,
			boolean attachListeners) {
		super(realm, new HashMap());
		this.object = object;
		this.descriptor = descriptor;
		this.keyType = keyType;
		this.valueType = valueType;
		if (attachListeners) {
			PropertyChangeListener listener = new PropertyChangeListener() {
				public void propertyChange(final PropertyChangeEvent event) {
					if (!updating) {
						getRealm().exec(new Runnable() {
							public void run() {
								Map oldMap = (Map) event.getOldValue();
								Map newMap = (Map) event.getNewValue();
								if (oldMap == null && newMap == null) {
									oldMap = wrappedMap;
									newMap = getMap();
								}

								if (!Util.equals(oldMap, newMap)) {
									wrappedMap = new HashMap(newMap);
									fireMapChange(Diffs.computeMapDiff(oldMap,
											newMap));
								}
							}
						});
					}
				}
			};

			listenerSupport = new ListenerSupport(listener,
					descriptor.getName());
			listenerSupport.hookListener(this.object);
		}

		wrappedMap.putAll(getMap());
	}

	public Object getKeyType() {
		return keyType;
	}

	public Object getValueType() {
		return valueType;
	}

	private Object primGetMap() {
		try {
			Method readMethod = descriptor.getReadMethod();
			if (!readMethod.isAccessible()) {
				readMethod.setAccessible(true);
			}
			return readMethod.invoke(object, new Object[0]);
		} catch (IllegalArgumentException e) {
		} catch (IllegalAccessException e) {
		} catch (InvocationTargetException e) {
		}
		Assert.isTrue(false, "Could not read collection values"); //$NON-NLS-1$
		return null;
	}

	private void primSetMap(Object newValue) {
		Exception ex = null;
		try {
			Method writeMethod = descriptor.getWriteMethod();
			if (!writeMethod.isAccessible()) {
				writeMethod.setAccessible(true);
			}
			writeMethod.invoke(object, new Object[] { newValue });
			return;
		} catch (IllegalArgumentException e) {
			ex = e;
		} catch (IllegalAccessException e) {
			ex = e;
		} catch (InvocationTargetException e) {
			ex = e;
		}
		throw new BindingException("Could not write collection values", ex); //$NON-NLS-1$
	}

	private Map getMap() {
		Map result = (Map) primGetMap();

		if (result == null)
			result = new HashMap();
		return result;
	}

	private void setMap() {
		primSetMap(new HashMap(wrappedMap));
	}

	public Object put(Object key, Object value) {
		checkRealm();
		updating = true;
		try {
			boolean add = !wrappedMap.containsKey(key);
			Object result = wrappedMap.put(key, value);
			if (!Util.equals(result, value)) {
				setMap();
				if (add) {
					fireMapChange(Diffs.createMapDiffSingleAdd(key, value));
				} else {
					fireMapChange(Diffs.createMapDiffSingleChange(key, result,
							value));
				}
			}
			return result;
		} finally {
			updating = false;
		}
	}

	public void putAll(Map map) {
		checkRealm();
		updating = true;
		try {
			Set addedKeys = new HashSet(map.size());
			Map changes = new HashMap(map.size());
			for (Iterator it = map.entrySet().iterator(); it.hasNext();) {
				Map.Entry entry = (Entry) it.next();
				Object key = entry.getKey();
				Object newValue = entry.getValue();
				boolean add = !wrappedMap.containsKey(key);
				Object oldValue = wrappedMap.put(key, newValue);
				if (add) {
					addedKeys.add(key);
				} else if (!Util.equals(oldValue, newValue)) {
					changes.put(key, oldValue);
				}
			}
			if (!addedKeys.isEmpty() || !changes.isEmpty()) {
				setMap();
				fireMapChange(Diffs.createMapDiff(addedKeys,
						Collections.EMPTY_SET, changes.keySet(), changes,
						wrappedMap));
			}
		} finally {
			updating = false;
		}
	}

	public Object remove(Object key) {
		checkRealm();
		if (!wrappedMap.containsKey(key)) {
			return null;
		}
		updating = true;
		try {
			Object result = wrappedMap.remove(key);
			setMap();
			fireMapChange(Diffs.createMapDiffSingleRemove(key, result));
			return result;
		} finally {
			updating = false;
		}
	}

	public void clear() {
		checkRealm();
		if (wrappedMap.isEmpty())
			return;
		updating = true;
		try {
			Map oldMap = wrappedMap;
			wrappedMap = new HashMap();
			setMap();
			fireMapChange(Diffs.computeMapDiff(oldMap, Collections.EMPTY_MAP));
		} finally {
			updating = false;
		}
	}

	public Object getObserved() {
		return object;
	}

	public PropertyDescriptor getPropertyDescriptor() {
		return descriptor;
	}

	public synchronized void dispose() {
		if (listenerSupport != null) {
			listenerSupport.dispose();
			listenerSupport = null;
		}
		super.dispose();
	}
}




/*******************************************************************************
 * Copyright (c) 2006-2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 171616
 *     Matthew Hall - bugs 221351, 223164, 244098
 *******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Array;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

import org.eclipse.core.databinding.BindingException;
import org.eclipse.core.databinding.beans.IBeanObservable;
import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.set.ObservableSet;
import org.eclipse.core.runtime.Assert;

/**
 * @since 1.0
 * 
 */
public class JavaBeanObservableSet extends ObservableSet implements IBeanObservable {

	private final Object object;

	private boolean updating = false;

	private PropertyDescriptor descriptor;

	private ListenerSupport listenerSupport;

	/**
	 * @param realm
	 * @param object
	 * @param descriptor
	 * @param elementType
	 */
	public JavaBeanObservableSet(Realm realm, Object object,
			PropertyDescriptor descriptor, Class elementType) {
		this(realm, object, descriptor, elementType, true);
	}

	/**
	 * @param realm
	 * @param object
	 * @param descriptor
	 * @param elementType
	 * @param attachListeners
	 */
	public JavaBeanObservableSet(Realm realm, Object object,
			PropertyDescriptor descriptor, Class elementType,
			boolean attachListeners) {
		super(realm, new HashSet(), elementType);
		this.object = object;
		this.descriptor = descriptor;
		if (attachListeners) {
			PropertyChangeListener listener = new PropertyChangeListener() {
				public void propertyChange(java.beans.PropertyChangeEvent event) {
					if (!updating) {
						getRealm().exec(new Runnable() {
							public void run() {
								Set newElements = new HashSet(Arrays
										.asList(getValues()));
								Set addedElements = new HashSet(newElements);
								Set removedElements = new HashSet(wrappedSet);
								// remove all new elements from old elements to
								// compute
								// the removed elements
								removedElements.removeAll(newElements);
								addedElements.removeAll(wrappedSet);
								wrappedSet = newElements;
								fireSetChange(Diffs.createSetDiff(
										addedElements, removedElements));
							}
						});
					}
				}
			};
			this.listenerSupport = new ListenerSupport(listener, descriptor
					.getName());
			listenerSupport.hookListener(this.object);
		}

		wrappedSet.addAll(Arrays.asList(getValues()));
	}

	private Object primGetValues() {
		try {
			Method readMethod = descriptor.getReadMethod();
			if (!readMethod.isAccessible()) {
				readMethod.setAccessible(true);
			}
			return readMethod.invoke(object, new Object[0]);
		} catch (IllegalArgumentException e) {
		} catch (IllegalAccessException e) {
		} catch (InvocationTargetException e) {
		}
		Assert.isTrue(false, "Could not read collection values"); //$NON-NLS-1$
		return null;
	}

	private Object[] getValues() {
		Object[] values = null;

		Object result = primGetValues();
		if (descriptor.getPropertyType().isArray())
			values = (Object[]) result;
		else {
			// TODO add jUnit for POJO (var. SettableValue) collections
			Collection list = (Collection) result;
			if (list != null)
				values = list.toArray();
		}
		if (values == null)
			values = new Object[0];
		return values;
	}

	private void setValues() {
		if (descriptor.getPropertyType().isArray()) {
			Class componentType = descriptor.getPropertyType()
					.getComponentType();
			Object[] newArray = (Object[]) Array.newInstance(componentType,
					wrappedSet.size());
			wrappedSet.toArray(newArray);
			primSetValues(newArray);
		} else {
			// assume that it is a java.util.Set
			primSetValues(new HashSet(wrappedSet));
		}
	}

	public boolean add(Object o) {
		getterCalled();
		updating = true;
		try {
			boolean added = wrappedSet.add(o);
			if (added) {
				setValues();
				fireSetChange(Diffs.createSetDiff(Collections.singleton(o),
						Collections.EMPTY_SET));
			}
			return added;
		} finally {
			updating = false;
		}
	}

	public boolean remove(Object o) {
		getterCalled();
		updating = true;
		try {
			boolean removed = wrappedSet.remove(o);
			if (removed) {
				setValues();
				fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET,
						Collections.singleton(o)));
			}
			return removed;
		} finally {
			updating = false;
		}
	}

	public boolean addAll(Collection c) {
		getterCalled();
		updating = true;
		try {
			Set additions = new HashSet();
			for (Iterator iterator = c.iterator(); iterator.hasNext();) {
				Object element = iterator.next();
				if (wrappedSet.add(element))
					additions.add(element);
			}
			boolean changed = !additions.isEmpty();
			if (changed) {
				setValues();
				fireSetChange(Diffs.createSetDiff(additions,
						Collections.EMPTY_SET));
			}
			return changed;
		} finally {
			updating = false;
		}
	}

	public boolean removeAll(Collection c) {
		getterCalled();
		updating = true;
		try {
			Set removals = new HashSet();
			for (Iterator iterator = c.iterator(); iterator.hasNext();) {
				Object element = iterator.next();
				if (wrappedSet.remove(element))
					removals.add(element);
			}
			boolean changed = !removals.isEmpty();
			if (changed) {
				setValues();
				fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET,
						removals));
			}
			return changed;
		} finally {
			updating = false;
		}
	}

	public boolean retainAll(Collection c) {
		getterCalled();
		updating = true;
		try {
			Set removals = new HashSet();
			for (Iterator iterator = wrappedSet.iterator(); iterator.hasNext();) {
				Object element = iterator.next();
				if (!c.contains(element)) {
					iterator.remove();
					removals.add(element);
				}
			}
			boolean changed = !removals.isEmpty();
			if (changed) {
				setValues();
				fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET,
						removals));
			}
			return changed;
		} finally {
			updating = false;
		}
	}

	public void clear() {
		getterCalled();
		if (wrappedSet.isEmpty())
			return;

		updating = true;
		try {
			Set removals = new HashSet(wrappedSet);
			wrappedSet.clear();
			setValues();
			fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET, removals));
		} finally {
			updating = false;
		}
	}

	private void primSetValues(Object newValue) {
		Exception ex = null;
		try {
			Method writeMethod = descriptor.getWriteMethod();
			if (!writeMethod.isAccessible()) {
				writeMethod.setAccessible(true);
			}
			writeMethod.invoke(object, new Object[] { newValue });
			return;
		} catch (IllegalArgumentException e) {
			ex = e;
		} catch (IllegalAccessException e) {
			ex = e;
		} catch (InvocationTargetException e) {
			ex = e;
		}
		throw new BindingException("Could not write collection values", ex); //$NON-NLS-1$
	}

	public Object getObserved() {
		return object;
	}

	public PropertyDescriptor getPropertyDescriptor() {
		return descriptor;
	}

	public synchronized void dispose() {
		if (listenerSupport != null) {
			listenerSupport.dispose();
			listenerSupport = null;
		}

		super.dispose();
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bug 164653
 *     Brad Reynolds - bug 164134, 171616
 *     Matthew Hall - bug 246103
 *******************************************************************************/
package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import org.eclipse.core.databinding.BindingException;
import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.beans.IBeanObservable;
import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.AbstractObservableValue;
import org.eclipse.core.databinding.util.Policy;
import org.eclipse.core.internal.databinding.Util;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;

/**
 * @since 1.0
 * 
 */
public class JavaBeanObservableValue extends AbstractObservableValue implements IBeanObservable {
	private final Object object;
	private boolean updating = false;

	private final PropertyDescriptor propertyDescriptor;
	private ListenerSupport listenerSupport;

	private boolean attachListeners;

	// Applicable only while hasListeners() == true
	private Object cachedValue;

	/**
	 * @param realm
	 * @param object
	 * @param descriptor
	 */
	public JavaBeanObservableValue(Realm realm, Object object,
			PropertyDescriptor descriptor) {
		this(realm, object, descriptor, true);
	}

	/**
	 * @param realm
	 * @param object
	 * @param descriptor
	 * @param attachListeners
	 */
	public JavaBeanObservableValue(Realm realm, Object object,
			PropertyDescriptor descriptor, boolean attachListeners) {
		super(realm);
		this.object = object;
		this.propertyDescriptor = descriptor;
		this.attachListeners = attachListeners;
	}

	protected void firstListenerAdded() {
		if (!attachListeners) {
			return;
		}

		if (listenerSupport == null) {
			PropertyChangeListener listener = new PropertyChangeListener() {
				public void propertyChange(
						final java.beans.PropertyChangeEvent event) {
					if (!updating) {
						getRealm().exec(new Runnable() {
							public void run() {
								Object oldValue = event.getOldValue();
								Object newValue = event.getNewValue();
								if (oldValue == null && newValue == null) {
									// this condition is provided for in the
									// bean spec, and indicates that an 
									// unknown change occured.

									oldValue = cachedValue;
									newValue = doGetValue();
								}
								cachedValue = newValue;
								if (!Util.equals(oldValue, newValue)) {
									fireValueChange(Diffs.createValueDiff(
											oldValue, newValue));
								}
							}
						});
					}
				}
			};
			listenerSupport = new ListenerSupport(listener, propertyDescriptor
					.getName());
		}
		
		listenerSupport.hookListener(object);
		cachedValue = doGetValue();
	}

	public void doSetValue(Object value) {
		updating = true;
		try {
			Object oldValue = doGetValue();
			
			if (!Util.equals(oldValue, value)) {
				Method writeMethod = propertyDescriptor.getWriteMethod();
				if (!writeMethod.isAccessible()) {
					writeMethod.setAccessible(true);
				}
				writeMethod.invoke(object, new Object[] { value });
			}
			
			if (hasListeners()) {
				// oldValue contains the live value which may be different from
				// the cached value if the bean does not have listener API or
				// does not fire events properly. For consistency we want to
				// provide the cached value as the old value, rather than the
				// live value so that consumers that hook/unhook listeners can
				// do so without maintaining caches of their own.
				oldValue = cachedValue;
				cachedValue = doGetValue();
				if (!Util.equals(oldValue, cachedValue)) {
					fireValueChange(Diffs
							.createValueDiff(oldValue, cachedValue));
				}
			}
		} catch (InvocationTargetException e) {
			/*
			 * InvocationTargetException wraps any exception thrown by the
			 * invoked method.
			 */
			throw new RuntimeException(e.getCause());
		} catch (Exception e) {
			if (BeansObservables.DEBUG) {
				Policy
						.getLog()
						.log(
								new Status(
										IStatus.WARNING,
										Policy.JFACE_DATABINDING,
										IStatus.OK,
										"Could not change value of " + object + "." + propertyDescriptor.getName(), e)); //$NON-NLS-1$ //$NON-NLS-2$
			}
		} finally {
			updating = false;
		}
	}

	public Object doGetValue() {
		try {
			Method readMethod = propertyDescriptor.getReadMethod();
			if (readMethod == null) {
				throw new BindingException(propertyDescriptor.getName()
						+ " property does not have a read method."); //$NON-NLS-1$
			}
			if (!readMethod.isAccessible()) {
				readMethod.setAccessible(true);
			}
			return readMethod.invoke(object, null);
		} catch (InvocationTargetException e) {
			/*
			 * InvocationTargetException wraps any exception thrown by the
			 * invoked method.
			 */
			throw new RuntimeException(e.getCause());
		} catch (Exception e) {
			if (BeansObservables.DEBUG) {
				Policy
						.getLog()
						.log(
								new Status(
										IStatus.WARNING,
										Policy.JFACE_DATABINDING,
										IStatus.OK,
										"Could not read value of " + object + "." + propertyDescriptor.getName(), e)); //$NON-NLS-1$ //$NON-NLS-2$
			}
			return null;
		}
	}

	protected void lastListenerRemoved() {
		unhookListener();
	}

	private void unhookListener() {
		cachedValue = null;
		if (listenerSupport != null) {
			listenerSupport.dispose();
			listenerSupport = null;
		}
	}

	public Object getValueType() {
		return propertyDescriptor.getPropertyType();
	}

	public Object getObserved() {
		return object;
	}

	public PropertyDescriptor getPropertyDescriptor() {
		return propertyDescriptor;
	}

	public synchronized void dispose() {
		unhookListener();
		super.dispose();
	}
}




 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Brad Reynolds - bugs 164268, 171616, 147515
 *     Matthew Hall - bug 221704, 234686, 246625, 226289, 246782, 194734
 *     Thomas Kratz - bug 213787
 *******************************************************************************/
package org.eclipse.core.databinding.beans;

import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;

import org.eclipse.core.databinding.BindingException;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.list.IObservableList;

import org.eclipse.core.databinding.observable.masterdetail.MasterDetailObservables;
import org.eclipse.core.databinding.observable.set.IObservableSet;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.map.IMapProperty;
import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.databinding.util.Policy;
import org.eclipse.core.internal.databinding.Util;
import org.eclipse.core.internal.databinding.beans.BeanObservableListDecorator;
import org.eclipse.core.internal.databinding.beans.BeanObservableMapDecorator;
import org.eclipse.core.internal.databinding.beans.BeanObservableSetDecorator;
import org.eclipse.core.internal.databinding.beans.BeanObservableValueDecorator;
import org.eclipse.core.internal.databinding.beans.BeanPropertyHelper;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableMap;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableSet;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableValue;
import org.eclipse.core.internal.databinding.beans.JavaBeanPropertyObservableMap;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;

	 */
	public static IObservableValue observeValue(Realm realm, Object bean,
			String propertyName) {
		IValueProperty property = BeanProperties.valueProperty(bean.getClass(),
				propertyName);
		PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
				.getPropertyDescriptor();
		return new BeanObservableValueDecorator(PropertyObservables
				.observeValue(realm, bean, property), propertyDescriptor);
	}

	/**

	 */
	public static IObservableMap observeMap(IObservableSet domain,
			Class beanClass, String propertyName) {
		IValueProperty property = BeanProperties.valueProperty(beanClass,
				propertyName);
		PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
				.getPropertyDescriptor();
		return new BeanObservableMapDecorator(PropertyObservables.observeDetailValues(
				domain, property), propertyDescriptor);
	}

	/**

	 */
	public static IObservableMap observeMap(Realm realm, Object bean,
			String propertyName, Class keyType, Class valueType) {
		IMapProperty property = BeanProperties.mapProperty(bean.getClass(),
				propertyName, keyType, valueType);
		PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
				.getPropertyDescriptor();
		return new BeanObservableMapDecorator(PropertyObservables.observeMap(
				bean, property), propertyDescriptor);
	}

	/**

		return observeMap(Realm.getDefault(), bean, propertyName, keyType, valueType);
	}

	/*package*/ static PropertyDescriptor getPropertyDescriptor(Class beanClass,
			String propertyName) {
		BeanInfo beanInfo;
		try {
			beanInfo = Introspector.getBeanInfo(beanClass);
		} catch (IntrospectionException e) {
			// cannot introspect, give up
			return null;
		}
		PropertyDescriptor[] propertyDescriptors = beanInfo
				.getPropertyDescriptors();
		for (int i = 0; i < propertyDescriptors.length; i++) {
			PropertyDescriptor descriptor = propertyDescriptors[i];
			if (descriptor.getName().equals(propertyName)) {
				return descriptor;
			}
		}
		throw new BindingException(
				"Could not find property with name " + propertyName + " in class " + beanClass); //$NON-NLS-1$ //$NON-NLS-2$
	}

	/**
	 * Returns an array of observable maps in the default realm tracking the
	 * current values of the named propertys for the beans in the given set.

	 */
	public static IObservableList observeList(Realm realm, Object bean,
			String propertyName, Class elementType) {
		IListProperty property = BeanProperties.listProperty(bean.getClass(),
				propertyName, elementType);
		PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
				.getPropertyDescriptor();
		return new BeanObservableListDecorator(PropertyObservables.observeList(
				realm, bean, property), propertyDescriptor);
	}

	/**


		IObservableValue value = MasterDetailObservables.detailValue(master,
				valueFactory(realm, propertyName), propertyType);
		return new BeanObservableValueDecorator(value, BeanPropertyHelper
				.getValueTypePropertyDescriptor(master, propertyName));

		return decorator;
	}

	/* package */static void warnIfDifferentRealms(Realm detailRealm,

		Assert.isNotNull(masterType, "masterType cannot be null"); //$NON-NLS-1$
		IObservableValue value = MasterDetailObservables.detailValue(master,
				valueFactory(realm, propertyName), propertyType);
		return new BeanObservableValueDecorator(value, BeanPropertyHelper
				.getPropertyDescriptor(masterType, propertyName));

		return decorator;
	}

	/**

		IObservableList observableList = MasterDetailObservables.detailList(
				master, listFactory(realm, propertyName, propertyType),
				propertyType);
		return new BeanObservableListDecorator(observableList,
				BeanPropertyHelper.getValueTypePropertyDescriptor(master,
						propertyName));

		return decorator;
	}

	/**

		IObservableSet observableSet = MasterDetailObservables.detailSet(
				master, setFactory(realm, propertyName, propertyType),
				propertyType);
		return new BeanObservableSetDecorator(observableSet, BeanPropertyHelper
				.getValueTypePropertyDescriptor(master, propertyName));
						propertyName));

		return decorator;
	}

	/**

		warnIfDifferentRealms(realm, master.getRealm());
		IObservableMap observableMap = MasterDetailObservables.detailMap(
				master, mapPropertyFactory(realm, propertyName));
		return new BeanObservableMapDecorator(observableMap, BeanPropertyHelper
				.getValueTypePropertyDescriptor(master, propertyName));
						propertyName));
		return decorator;
	}

	/**

	 */
	public static IObservableSet observeSet(Realm realm, Object bean,
			String propertyName, Class elementType) {
		ISetProperty property = BeanProperties.setProperty(bean.getClass(),
				propertyName, elementType);
		PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
				.getPropertyDescriptor();
		return new BeanObservableSetDecorator(PropertyObservables.observeSet(
				realm, bean, property), propertyDescriptor);
	}

	/**

	public static IObservableFactory mapPropertyFactory(String propertyName) {
		return mapPropertyFactory(Realm.getDefault(), propertyName);
	}

	/**
	 * @param elementType
	 *            can be <code>null</code>
	 * @param propertyDescriptor
	 * @return type of the items in a collection/array property
	 */
	/*package*/ static Class getCollectionElementType(Class elementType,
			PropertyDescriptor propertyDescriptor) {
		if (elementType == null) {
			Class propertyType = propertyDescriptor.getPropertyType();
			elementType = propertyType.isArray() ? propertyType
					.getComponentType() : Object.class;
		}

		return elementType;
	}

	/**
	 * @param observable
	 * @param propertyName
	 * @return property descriptor or <code>null</code>
	 */
	/* package*/ static PropertyDescriptor getValueTypePropertyDescriptor(
			IObservableValue observable, String propertyName) {
		return (observable.getValueType() != null) ? getPropertyDescriptor(
				(Class) observable.getValueType(), propertyName) : null;
	}
}




 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bugs 221704, 234686, 246625, 226289, 246782, 194734
 *******************************************************************************/

package org.eclipse.core.databinding.beans;

import org.eclipse.core.databinding.observable.masterdetail.MasterDetailObservables;
import org.eclipse.core.databinding.observable.set.IObservableSet;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.map.IMapProperty;
import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.internal.databinding.beans.BeanObservableListDecorator;
import org.eclipse.core.internal.databinding.beans.BeanObservableMapDecorator;
import org.eclipse.core.internal.databinding.beans.BeanObservableSetDecorator;
import org.eclipse.core.internal.databinding.beans.BeanObservableValueDecorator;
import org.eclipse.core.internal.databinding.beans.BeanPropertyHelper;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableMap;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableSet;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableValue;
import org.eclipse.core.internal.databinding.beans.JavaBeanPropertyObservableMap;

/**
 * A factory for creating observable objects for POJOs (plain old java objects)

	 */
	public static IObservableValue observeValue(Realm realm, Object pojo,
			String propertyName) {
		IValueProperty property = PojoProperties.valueProperty(pojo.getClass(),
				propertyName);
		PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
				.getPropertyDescriptor();
		return new BeanObservableValueDecorator(PropertyObservables
				.observeValue(realm, pojo, property), propertyDescriptor);
	}

	/**

	 */
	public static IObservableMap observeMap(IObservableSet domain,
			Class pojoClass, String propertyName) {
		IValueProperty property = PojoProperties.valueProperty(pojoClass,
				propertyName);
		PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
				.getPropertyDescriptor();
		return new BeanObservableMapDecorator(PropertyObservables.observeDetailValues(
				domain, property), propertyDescriptor);
	}

	/**

	 */
	public static IObservableMap observeMap(Realm realm, Object pojo,
			String propertyName, Class keyType, Class valueType) {
		IMapProperty property = PojoProperties.mapProperty(pojo.getClass(),
				propertyName, keyType, valueType);
		PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
				.getPropertyDescriptor();
		return new BeanObservableMapDecorator(PropertyObservables.observeMap(
				pojo, property), propertyDescriptor);
	}

	/**

	 */
	public static IObservableList observeList(Realm realm, Object pojo,
			String propertyName, Class elementType) {
		IListProperty property = PojoProperties.listProperty(pojo.getClass(),
				propertyName, elementType);
		PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
				.getPropertyDescriptor();
		return new BeanObservableListDecorator(PropertyObservables.observeList(
				realm, pojo, property), propertyDescriptor);
				elementType, false);
	}

	/**

	 */
	public static IObservableSet observeSet(Realm realm, Object pojo,
			String propertyName, Class elementType) {
		ISetProperty property = PojoProperties.setProperty(pojo.getClass(),
				propertyName, elementType);
		PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
				.getPropertyDescriptor();
		return new BeanObservableSetDecorator(PropertyObservables.observeSet(
				realm, pojo, property), propertyDescriptor);
				elementType, false);
	}

	/**


		IObservableValue value = MasterDetailObservables.detailValue(master,
				valueFactory(realm, propertyName), propertyType);
		return new BeanObservableValueDecorator(value, BeanPropertyHelper
				.getValueTypePropertyDescriptor(master, propertyName));
						propertyName));

		return decorator;
	}

	/**

		IObservableList observableList = MasterDetailObservables.detailList(
				master, listFactory(realm, propertyName, propertyType),
				propertyType);
		return new BeanObservableListDecorator(observableList,
				BeanPropertyHelper.getValueTypePropertyDescriptor(master,
						propertyName));

		return decorator;
	}

	/**

		IObservableSet observableSet = MasterDetailObservables.detailSet(
				master, setFactory(realm, propertyName, propertyType),
				propertyType);
		return new BeanObservableSetDecorator(observableSet, BeanPropertyHelper
				.getValueTypePropertyDescriptor(master, propertyName));
						master, propertyName));

		return decorator;
	}

	/**

		BeansObservables.warnIfDifferentRealms(realm, master.getRealm());
		IObservableMap observableMap = MasterDetailObservables.detailMap(
				master, mapPropertyFactory(realm, propertyName));
		return new BeanObservableMapDecorator(observableMap, BeanPropertyHelper
				.getValueTypePropertyDescriptor(master, propertyName));
						master, propertyName));
		return decorator;
	}

	/**




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyDescriptor;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.observable.map.MapDiff;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.map.IMapPropertyChangeListener;
import org.eclipse.core.databinding.property.map.MapPropertyChangeEvent;
import org.eclipse.core.databinding.property.map.MapPropertyListenerHook;
import org.eclipse.core.databinding.property.map.SimpleMapProperty;

/**
 * @since 3.3
 * 
 */
public class PojoMapProperty extends SimpleMapProperty implements IBeanProperty {
	private PropertyDescriptor propertyDescriptor;
	private Object keyType;
	private Object valueType;

	private Object lock = new Object();
	private Collection propertyListenerHooks;

	/**
	 * @param propertyDescriptor
	 * @param keyType
	 * @param valueType
	 */
	public PojoMapProperty(PropertyDescriptor propertyDescriptor,
			Object keyType, Object valueType) {
		this.propertyDescriptor = propertyDescriptor;
		this.keyType = keyType;
		this.valueType = valueType;
		this.propertyListenerHooks = new HashSet();
	}

	public Map getMap(Object source) {
		if (source == null)
			return Collections.EMPTY_MAP;
		Object propertyValue = BeanPropertyHelper.readProperty(source,
				propertyDescriptor);
		return asMap(propertyValue);
	}

	private Map asMap(Object propertyValue) {
		if (propertyValue == null)
			return new HashMap();
		return (Map) propertyValue;
	}

	protected void setMap(Object source, Map map, MapDiff diff) {
		if (source != null) {
			BeanPropertyHelper.writeProperty(source, propertyDescriptor, map);

			MapPropertyChangeEvent event = new MapPropertyChangeEvent(source,
					this, diff);
			IMapPropertyChangeListener[] listeners = getListeners(source);
			for (int i = 0; i < listeners.length; i++) {
				listeners[i].handleMapPropertyChange(event);
			}
		}
	}

	private IMapPropertyChangeListener[] getListeners(Object source) {
		List listeners = new ArrayList();
		synchronized (lock) {
			for (Iterator it = propertyListenerHooks.iterator(); it.hasNext();) {
				IPropertyListenerHook listenerHook = (IPropertyListenerHook) it
						.next();
				if (listenerHook.getSource() == source)
					listeners.add(listenerHook.getListener());
			}
		}

		return (IMapPropertyChangeListener[]) listeners
				.toArray(new IMapPropertyChangeListener[listeners.size()]);
	}

	public PropertyDescriptor getPropertyDescriptor() {
		return propertyDescriptor;
	}

	public Object getKeyType() {
		return keyType;
	}

	public Object getValueType() {
		return valueType;
	}

	public IPropertyListenerHook hookListener(Object source,
			IMapPropertyChangeListener listener) {
		return new PropertyListenerHook(source, this, listener);
	}

	private static class PropertyListenerHook extends MapPropertyListenerHook {
		private PropertyListenerHook(Object source, PojoMapProperty property,
				IMapPropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			PojoMapProperty property = (PojoMapProperty) getProperty();
			synchronized (property.lock) {
				property.propertyListenerHooks.add(this);
			}
		}

		protected void unhookListener() {
			PojoMapProperty property = (PojoMapProperty) getProperty();
			synchronized (property.lock) {
				property.propertyListenerHooks.remove(this);
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.map.MapDiff;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.map.IMapPropertyChangeListener;
import org.eclipse.core.databinding.property.map.MapPropertyListenerHook;
import org.eclipse.core.databinding.property.map.SimpleMapProperty;

/**
 * @since 3.3
 * 
 */
public class BeanMapProperty extends SimpleMapProperty implements IBeanProperty {
	private PropertyDescriptor propertyDescriptor;
	private Object keyType;
	private Object valueType;

	/**
	 * @param propertyDescriptor
	 * @param keyType
	 * @param valueType
	 */
	public BeanMapProperty(PropertyDescriptor propertyDescriptor,
			Object keyType, Object valueType) {
		this.propertyDescriptor = propertyDescriptor;
		this.keyType = keyType;
		this.valueType = valueType;
	}

	public Map getMap(Object source) {
		if (source == null)
			return Collections.EMPTY_MAP;
		Object propertyValue = BeanPropertyHelper.readProperty(source,
				propertyDescriptor);
		return asMap(propertyValue);
	}

	private Map asMap(Object propertyValue) {
		if (propertyValue == null)
			return new HashMap();
		return (Map) propertyValue;
	}

	protected void setMap(Object source, Map map, MapDiff diff) {
		if (source != null) {
			BeanPropertyHelper.writeProperty(source, propertyDescriptor, map);
		}
	}

	public PropertyDescriptor getPropertyDescriptor() {
		return propertyDescriptor;
	}

	public Object getKeyType() {
		return keyType;
	}

	public Object getValueType() {
		return valueType;
	}

	public IPropertyListenerHook hookListener(Object source,
			IMapPropertyChangeListener listener) {
		return new PropertyListenerHook(source, this, listener);
	}

	private static class PropertyListenerHook extends MapPropertyListenerHook
			implements PropertyChangeListener {
		private Map cachedMap;

		private PropertyListenerHook(Object source, BeanMapProperty property,
				IMapPropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			BeanMapProperty property = (BeanMapProperty) getProperty();
			BeanPropertyListenerSupport.hookListener(getSource(),
					property.propertyDescriptor.getName(), this);
			cachedMap = property.getMap(getSource());
		}

		protected void unhookListener() {
			BeanMapProperty property = (BeanMapProperty) getProperty();
			cachedMap = null;
			BeanPropertyListenerSupport.unhookListener(getSource(),
					property.propertyDescriptor.getName(), this);
		}

		public void propertyChange(PropertyChangeEvent evt) {
			BeanMapProperty property = (BeanMapProperty) getProperty();
			if (property.propertyDescriptor.getName().equals(
					evt.getPropertyName())) {
				Object oldValue = evt.getOldValue();
				Object newValue = evt.getNewValue();

				Map oldMap;
				Map newMap;
				if (oldValue == null && newValue == null) {
					oldMap = cachedMap;
					newMap = property.getMap(getSource());
				} else {
					oldMap = property.asMap(oldValue);
					newMap = property.asMap(newValue);
				}
				cachedMap = newMap;

				fireMapChange(Diffs.computeMapDiff(oldMap, newMap));
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.beans;

import java.beans.PropertyChangeEvent;

import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.map.IMapProperty;
import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.internal.databinding.beans.BeanPropertyHelper;
import org.eclipse.core.internal.databinding.beans.PojoListProperty;
import org.eclipse.core.internal.databinding.beans.PojoMapProperty;
import org.eclipse.core.internal.databinding.beans.PojoSetProperty;
import org.eclipse.core.internal.databinding.beans.PojoValueProperty;

/**
 * A factory for creating properties for POJOs (plain old java objects) that
 * conform to idea of an object with getters and setters but does not provide
 * {@link PropertyChangeEvent property change events} on change. This factory is
 * identical to {@link BeanProperties} except for this fact.
 * 
 * @since 1.2
 */
public class PojoProperties {
	/**
	 * Returns a value property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @return a value property for the given property name of the given bean
	 *         class.
	 */
	public static IValueProperty valueProperty(Class beanClass,
			String propertyName) {
		return valueProperty(beanClass, propertyName, null);
	}

	/**
	 * Returns a value property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @param valueType
	 *            the value type of the returned value property
	 * @return a value property for the given property name of the given bean
	 *         class.
	 */
	public static IValueProperty valueProperty(Class beanClass,
			String propertyName, Class valueType) {
		return new PojoValueProperty(BeanPropertyHelper.getPropertyDescriptor(
				beanClass, propertyName), valueType);
	}

	/**
	 * Returns a set property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @return a set property for the given property name of the given bean
	 *         class.
	 */
	public static ISetProperty setProperty(Class beanClass, String propertyName) {
		return setProperty(beanClass, propertyName, null);
	}

	/**
	 * Returns a set property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @param elementType
	 *            the element type of the returned set property
	 * @return a set property for the given property name of the given bean
	 *         class.
	 */
	public static ISetProperty setProperty(Class beanClass,
			String propertyName, Class elementType) {
		return new PojoSetProperty(BeanPropertyHelper.getPropertyDescriptor(
				beanClass, propertyName), elementType);
	}

	/**
	 * Returns a list property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @return a list property for the given property name of the given bean
	 *         class.
	 */
	public static IListProperty listProperty(Class beanClass,
			String propertyName) {
		return listProperty(beanClass, propertyName, null);
	}

	/**
	 * Returns a list property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @param elementType
	 *            the element type of the returned list property
	 * @return a list property for the given property name of the given bean
	 *         class.
	 */
	public static IListProperty listProperty(Class beanClass,
			String propertyName, Class elementType) {
		return new PojoListProperty(BeanPropertyHelper.getPropertyDescriptor(
				beanClass, propertyName), elementType);
	}

	/**
	 * Returns a map property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @param keyType
	 *            the key type of the returned map property
	 * @param valueType
	 *            the value type of the returned map property
	 * @return a map property for the given property name of the given bean
	 *         class.
	 */
	public static IMapProperty mapProperty(Class beanClass,
			String propertyName, Object keyType, Object valueType) {
		return new PojoMapProperty(BeanPropertyHelper.getPropertyDescriptor(
				beanClass, propertyName), keyType, valueType);
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Array;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.set.SetDiff;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.set.ISetPropertyChangeListener;
import org.eclipse.core.databinding.property.set.SetPropertyListenerHook;
import org.eclipse.core.databinding.property.set.SimpleSetProperty;

/**
 * @since 3.3
 * 
 */
public class BeanSetProperty extends SimpleSetProperty implements IBeanProperty {
	private PropertyDescriptor propertyDescriptor;
	private Class elementType;

	/**
	 * @param propertyDescriptor
	 * @param elementType
	 */
	public BeanSetProperty(PropertyDescriptor propertyDescriptor,
			Class elementType) {
		this.propertyDescriptor = propertyDescriptor;
		this.elementType = elementType == null ? BeanPropertyHelper
				.getCollectionPropertyElementType(propertyDescriptor)
				: elementType;
	}

	public Object getElementType() {
		return elementType;
	}

	public Set getSet(Object source) {
		if (source == null)
			return Collections.EMPTY_SET;
		Object propertyValue = BeanPropertyHelper.readProperty(source,
				propertyDescriptor);
		return asSet(propertyValue);
	}

	private Set asSet(Object propertyValue) {
		if (propertyValue == null)
			return Collections.EMPTY_SET;
		if (propertyDescriptor.getPropertyType().isArray())
			return new HashSet(Arrays.asList((Object[]) propertyValue));
		return (Set) propertyValue;
	}

	protected void setSet(Object source, Set set, SetDiff diff) {
		if (source != null) {
			BeanPropertyHelper.writeProperty(source, propertyDescriptor,
					convertSetToBeanPropertyType(set));
		}
	}

	private Object convertSetToBeanPropertyType(Set set) {
		Object propertyValue = set;
		if (propertyDescriptor.getPropertyType().isArray()) {
			Class componentType = propertyDescriptor.getPropertyType()
					.getComponentType();
			Object[] array = (Object[]) Array.newInstance(componentType, set
					.size());
			propertyValue = set.toArray(array);
		}
		return propertyValue;
	}

	public PropertyDescriptor getPropertyDescriptor() {
		return propertyDescriptor;
	}

	public IPropertyListenerHook hookListener(Object source,
			ISetPropertyChangeListener listener) {
		return new PropertyListenerHook(source, this, listener);
	}

	private static class PropertyListenerHook extends SetPropertyListenerHook
			implements PropertyChangeListener {
		private Set cachedSet;

		private PropertyListenerHook(Object source, BeanSetProperty property,
				ISetPropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			BeanSetProperty property = (BeanSetProperty) getProperty();
			BeanPropertyListenerSupport.hookListener(getSource(),
					property.propertyDescriptor.getName(), this);
			cachedSet = property.getSet(getSource());
		}

		protected void unhookListener() {
			BeanSetProperty property = (BeanSetProperty) getProperty();
			cachedSet = null;
			BeanPropertyListenerSupport.unhookListener(getSource(),
					property.propertyDescriptor.getName(), this);
		}

		public void propertyChange(PropertyChangeEvent evt) {
			BeanSetProperty property = (BeanSetProperty) getProperty();
			if (property.propertyDescriptor.getName().equals(
					evt.getPropertyName())) {
				Object oldValue = evt.getOldValue();
				Object newValue = evt.getNewValue();

				Set oldSet;
				Set newSet;
				if (oldValue == null && newValue == null) {
					oldSet = cachedSet;
					newSet = property.getSet(getSource());
				} else {
					oldSet = property.asSet(oldValue);
					newSet = property.asSet(newValue);
				}
				cachedSet = newSet;

				fireSetChange(Diffs.computeSetDiff(oldSet, newSet));
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyDescriptor;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;

import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.observable.list.ListDiff;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.list.IListPropertyChangeListener;
import org.eclipse.core.databinding.property.list.ListPropertyChangeEvent;
import org.eclipse.core.databinding.property.list.ListPropertyListenerHook;
import org.eclipse.core.databinding.property.list.SimpleListProperty;

/**
 * @since 3.3
 * 
 */
public class PojoListProperty extends SimpleListProperty implements
		IBeanProperty {
	private PropertyDescriptor propertyDescriptor;
	private Class elementType;

	private Object lock = new Object();
	private Collection propertyListenerHooks;

	/**
	 * @param propertyDescriptor
	 * @param elementType
	 */
	public PojoListProperty(PropertyDescriptor propertyDescriptor,
			Class elementType) {
		this.propertyDescriptor = propertyDescriptor;
		this.elementType = elementType == null ? BeanPropertyHelper
				.getCollectionPropertyElementType(propertyDescriptor)
				: elementType;
		this.propertyListenerHooks = new HashSet();
	}

	public Object getElementType() {
		return elementType;
	}

	public List getList(Object source) {
		if (source == null)
			return Collections.EMPTY_LIST;
		Object propertyValue = BeanPropertyHelper.readProperty(source,
				propertyDescriptor);
		return asList(propertyValue);
	}

	private List asList(Object propertyValue) {
		if (propertyValue == null)
			return new ArrayList();
		if (propertyDescriptor.getPropertyType().isArray())
			return new ArrayList(Arrays.asList((Object[]) propertyValue));
		return (List) propertyValue;
	}

	protected void setList(Object source, List list, ListDiff diff) {
		if (source != null) {
			BeanPropertyHelper.writeProperty(source, propertyDescriptor,
					convertListToBeanPropertyType(list));

			ListPropertyChangeEvent event = new ListPropertyChangeEvent(source,
					this, diff);
			IListPropertyChangeListener[] listeners = getListeners(source);
			for (int i = 0; i < listeners.length; i++) {
				listeners[i].handleListPropertyChange(event);
			}
		}
	}

	private IListPropertyChangeListener[] getListeners(Object source) {
		List listeners = new ArrayList();
		synchronized (lock) {
			for (Iterator it = propertyListenerHooks.iterator(); it.hasNext();) {
				IPropertyListenerHook listenerHook = (IPropertyListenerHook) it
						.next();
				if (listenerHook.getSource() == source)
					listeners.add(listenerHook.getListener());
			}
		}

		return (IListPropertyChangeListener[]) listeners
				.toArray(new IListPropertyChangeListener[listeners.size()]);
	}

	private Object convertListToBeanPropertyType(List list) {
		Object propertyValue = list;
		if (propertyDescriptor.getPropertyType().isArray()) {
			Class componentType = propertyDescriptor.getPropertyType()
					.getComponentType();
			Object[] array = (Object[]) Array.newInstance(componentType, list
					.size());
			list.toArray(array);
			propertyValue = array;
		}
		return propertyValue;
	}

	public PropertyDescriptor getPropertyDescriptor() {
		return propertyDescriptor;
	}

	public IPropertyListenerHook hookListener(Object source,
			IListPropertyChangeListener listener) {
		return new PropertyListenerHook(source, this, listener);
	}

	private static class PropertyListenerHook extends ListPropertyListenerHook {
		private PropertyListenerHook(Object source, PojoListProperty property,
				IListPropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			PojoListProperty property = (PojoListProperty) getProperty();
			synchronized (property.lock) {
				property.propertyListenerHooks.add(this);
			}
		}

		protected void unhookListener() {
			PojoListProperty property = (PojoListProperty) getProperty();
			synchronized (property.lock) {
				property.propertyListenerHooks.remove(this);
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import org.eclipse.core.databinding.BindingException;
import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.util.Policy;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;

/**
 * @since 1.2
 * 
 */
public class BeanPropertyHelper {
	/**
	 * Sets the contents of the given property on the given source object to the
	 * given value.
	 * 
	 * @param source
	 *            the source object which has the property being updated
	 * @param propertyDescriptor
	 *            the property being changed
	 * @param value
	 *            the new value of the property
	 */
	public static void writeProperty(Object source,
			PropertyDescriptor propertyDescriptor, Object value) {
		try {
			Method writeMethod = propertyDescriptor.getWriteMethod();
			if (!writeMethod.isAccessible()) {
				writeMethod.setAccessible(true);
			}
			writeMethod.invoke(source, new Object[] { value });
		} catch (InvocationTargetException e) {
			/*
			 * InvocationTargetException wraps any exception thrown by the
			 * invoked method.
			 */
			throw new RuntimeException(e.getCause());
		} catch (Exception e) {
			if (BeansObservables.DEBUG) {
				Policy
						.getLog()
						.log(
								new Status(
										IStatus.WARNING,
										Policy.JFACE_DATABINDING,
										IStatus.OK,
										"Could not change value of " + source + "." + propertyDescriptor.getName(), e)); //$NON-NLS-1$ //$NON-NLS-2$
			}
		}
	}

	/**
	 * Returns the contents of the given property for the given bean.
	 * 
	 * @param source
	 *            the source bean
	 * @param propertyDescriptor
	 *            the property to retrieve
	 * @return the contents of the given property for the given bean.
	 */
	public static Object readProperty(Object source,
			PropertyDescriptor propertyDescriptor) {
		try {
			Method readMethod = propertyDescriptor.getReadMethod();
			if (readMethod == null) {
				throw new BindingException(propertyDescriptor.getName()
						+ " property does not have a read method."); //$NON-NLS-1$
			}
			if (!readMethod.isAccessible()) {
				readMethod.setAccessible(true);
			}
			return readMethod.invoke(source, null);
		} catch (InvocationTargetException e) {
			/*
			 * InvocationTargetException wraps any exception thrown by the
			 * invoked method.
			 */
			throw new RuntimeException(e.getCause());
		} catch (Exception e) {
			if (BeansObservables.DEBUG) {
				Policy
						.getLog()
						.log(
								new Status(
										IStatus.WARNING,
										Policy.JFACE_DATABINDING,
										IStatus.OK,
										"Could not read value of " + source + "." + propertyDescriptor.getName(), e)); //$NON-NLS-1$ //$NON-NLS-2$
			}
			return null;
		}
	}

	/**
	 * Returns the element type of the given collection-typed property for the
	 * given bean.
	 * 
	 * @param descriptor
	 *            the property being inspected
	 * @return the element type of the given collection-typed property if it is
	 *         an array property, or Object.class otherwise.
	 */
	public static Class getCollectionPropertyElementType(
			PropertyDescriptor descriptor) {
		Class propertyType = descriptor.getPropertyType();
		return propertyType.isArray() ? propertyType.getComponentType()
				: Object.class;
	}

	/**
	 * @param beanClass
	 * @param propertyName
	 * @return the PropertyDescriptor for the named property on the given bean
	 *         class
	 */
	public static PropertyDescriptor getPropertyDescriptor(Class beanClass,
			String propertyName) {
		BeanInfo beanInfo;
		try {
			beanInfo = Introspector.getBeanInfo(beanClass);
		} catch (IntrospectionException e) {
			// cannot introspect, give up
			return null;
		}
		PropertyDescriptor[] propertyDescriptors = beanInfo
				.getPropertyDescriptors();
		for (int i = 0; i < propertyDescriptors.length; i++) {
			PropertyDescriptor descriptor = propertyDescriptors[i];
			if (descriptor.getName().equals(propertyName)) {
				return descriptor;
			}
		}
		throw new BindingException(
				"Could not find property with name " + propertyName + " in class " + beanClass); //$NON-NLS-1$ //$NON-NLS-2$
	}

	/**
	 * @param observable
	 * @param propertyName
	 * @return property descriptor or <code>null</code>
	 */
	/* package */public static PropertyDescriptor getValueTypePropertyDescriptor(
			IObservableValue observable, String propertyName) {
		if (observable.getValueType() != null)
			return getPropertyDescriptor((Class) observable.getValueType(),
					propertyName);
		return null;
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyDescriptor;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.observable.set.SetDiff;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.set.ISetPropertyChangeListener;
import org.eclipse.core.databinding.property.set.SetPropertyChangeEvent;
import org.eclipse.core.databinding.property.set.SetPropertyListenerHook;
import org.eclipse.core.databinding.property.set.SimpleSetProperty;

/**
 * @since 3.3
 * 
 */
public class PojoSetProperty extends SimpleSetProperty implements IBeanProperty {
	private PropertyDescriptor propertyDescriptor;
	private Class elementType;

	private Object lock = new Object();
	private Collection propertyListenerHooks;

	/**
	 * @param propertyDescriptor
	 * @param elementType
	 */
	public PojoSetProperty(PropertyDescriptor propertyDescriptor,
			Class elementType) {
		this.propertyDescriptor = propertyDescriptor;
		this.elementType = elementType == null ? BeanPropertyHelper
				.getCollectionPropertyElementType(propertyDescriptor)
				: elementType;
		this.propertyListenerHooks = new HashSet();
	}

	public Object getElementType() {
		return elementType;
	}

	public Set getSet(Object source) {
		if (source == null)
			return Collections.EMPTY_SET;
		Object propertyValue = BeanPropertyHelper.readProperty(source,
				propertyDescriptor);
		return asSet(propertyValue);
	}

	private Set asSet(Object propertyValue) {
		if (propertyValue == null)
			return Collections.EMPTY_SET;
		if (propertyDescriptor.getPropertyType().isArray())
			return new HashSet(Arrays.asList((Object[]) propertyValue));
		return (Set) propertyValue;
	}

	protected void setSet(Object source, Set set, SetDiff diff) {
		if (source != null) {
			BeanPropertyHelper.writeProperty(source, propertyDescriptor,
					convertSetToBeanPropertyType(set));

			SetPropertyChangeEvent event = new SetPropertyChangeEvent(source,
					this, diff);
			ISetPropertyChangeListener[] listeners = getListeners(source);
			for (int i = 0; i < listeners.length; i++) {
				listeners[i].handleSetPropertyChange(event);
			}
		}
	}

	private ISetPropertyChangeListener[] getListeners(Object source) {
		List listeners = new ArrayList();
		synchronized (lock) {
			for (Iterator it = propertyListenerHooks.iterator(); it.hasNext();) {
				IPropertyListenerHook listenerHook = (IPropertyListenerHook) it
						.next();
				if (listenerHook.getSource() == source)
					listeners.add(listenerHook.getListener());
			}
		}

		return (ISetPropertyChangeListener[]) listeners
				.toArray(new ISetPropertyChangeListener[listeners.size()]);
	}

	private Object convertSetToBeanPropertyType(Set set) {
		Object propertyValue = set;
		if (propertyDescriptor.getPropertyType().isArray()) {
			Class componentType = propertyDescriptor.getPropertyType()
					.getComponentType();
			Object[] array = (Object[]) Array.newInstance(componentType, set
					.size());
			propertyValue = set.toArray(array);
		}
		return propertyValue;
	}

	public PropertyDescriptor getPropertyDescriptor() {
		return propertyDescriptor;
	}

	public IPropertyListenerHook hookListener(Object source,
			ISetPropertyChangeListener listener) {
		return new PropertyListenerHook(source, this, listener);
	}

	private static class PropertyListenerHook extends SetPropertyListenerHook {
		private PropertyListenerHook(Object source, PojoSetProperty property,
				ISetPropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			PojoSetProperty property = (PojoSetProperty) getProperty();
			synchronized (property.lock) {
				property.propertyListenerHooks.add(this);
			}
		}

		protected void unhookListener() {
			PojoSetProperty property = (PojoSetProperty) getProperty();
			synchronized (property.lock) {
				property.propertyListenerHooks.remove(this);
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyDescriptor;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;

import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValueProperty;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;
import org.eclipse.core.databinding.property.value.ValuePropertyListenerHook;
import org.eclipse.core.internal.databinding.Util;

/**
 * @since 3.3
 * 
 */
public class PojoValueProperty extends ValueProperty implements IBeanProperty {
	private PropertyDescriptor propertyDescriptor;
	private Class valueType;

	private Object lock = new Object();
	private Collection propertyListenerHooks;

	/**
	 * @param propertyDescriptor
	 * @param valueType
	 */
	public PojoValueProperty(PropertyDescriptor propertyDescriptor,
			Class valueType) {
		this.propertyDescriptor = propertyDescriptor;
		this.valueType = valueType == null ? propertyDescriptor
				.getPropertyType() : valueType;
		this.propertyListenerHooks = new HashSet();
	}

	public Object getValueType() {
		return valueType;
	}

	public Object getValue(Object source) {
		if (source == null)
			return null;
		return BeanPropertyHelper.readProperty(source, propertyDescriptor);
	}

	public void setValue(Object source, Object value) {
		if (source != null) {
			Object oldValue = BeanPropertyHelper.readProperty(source,
					propertyDescriptor);
			BeanPropertyHelper.writeProperty(source, propertyDescriptor, value);
			Object newValue = BeanPropertyHelper.readProperty(source,
					propertyDescriptor);

			if (!Util.equals(oldValue, newValue)) {
				ValuePropertyChangeEvent event = new ValuePropertyChangeEvent(
						source, this, Diffs.createValueDiff(oldValue, newValue));
				IValuePropertyChangeListener[] listeners = getListeners(source);
				for (int i = 0; i < listeners.length; i++) {
					listeners[i].handleValuePropertyChange(event);
				}
			}
		}
	}

	private IValuePropertyChangeListener[] getListeners(Object source) {
		List listeners = new ArrayList();
		synchronized (lock) {
			for (Iterator it = propertyListenerHooks.iterator(); it.hasNext();) {
				IPropertyListenerHook listenerHook = (IPropertyListenerHook) it
						.next();
				if (listenerHook.getSource() == source)
					listeners.add(listenerHook.getListener());
			}
		}

		return (IValuePropertyChangeListener[]) listeners
				.toArray(new IValuePropertyChangeListener[listeners.size()]);
	}

	public PropertyDescriptor getPropertyDescriptor() {
		return propertyDescriptor;
	}

	public IPropertyListenerHook hookListener(Object source,
			IValuePropertyChangeListener listener) {
		return new PropertyListenerHook(source, this, listener);
	}

	private static class PropertyListenerHook extends ValuePropertyListenerHook {
		private PropertyListenerHook(Object source, PojoValueProperty property,
				IValuePropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			PojoValueProperty property = (PojoValueProperty) getProperty();
			synchronized (property.lock) {
				property.propertyListenerHooks.add(this);
			}
		}

		protected void unhookListener() {
			PojoValueProperty property = (PojoValueProperty) getProperty();
			synchronized (property.lock) {
				property.propertyListenerHooks.remove(this);
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.beans;

import java.beans.PropertyDescriptor;

import org.eclipse.core.databinding.property.IProperty;

/**
 * Provides access to details of bean properties.
 * 
 * @since 1.2
 */
public interface IBeanProperty extends IProperty {
	/**
	 * Returns the property descriptor of the bean property being observed
	 * 
	 * @return the property descriptor of the bean property being observed
	 */
	public PropertyDescriptor getPropertyDescriptor();
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;

import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValueProperty;
import org.eclipse.core.databinding.property.value.ValuePropertyListenerHook;

/**
 * @since 3.3
 * 
 */
public class BeanValueProperty extends ValueProperty implements IBeanProperty {
	private PropertyDescriptor propertyDescriptor;
	private Class valueType;

	/**
	 * @param propertyDescriptor
	 * @param valueType
	 */
	public BeanValueProperty(PropertyDescriptor propertyDescriptor,
			Class valueType) {
		this.propertyDescriptor = propertyDescriptor;
		this.valueType = valueType == null ? propertyDescriptor
				.getPropertyType() : valueType;
	}

	public Object getValueType() {
		return valueType;
	}

	public Object getValue(Object source) {
		if (source == null)
			return null;
		return BeanPropertyHelper.readProperty(source, propertyDescriptor);
	}

	public void setValue(Object source, Object value) {
		if (source != null) {
			BeanPropertyHelper.writeProperty(source, propertyDescriptor, value);
		}
	}

	public PropertyDescriptor getPropertyDescriptor() {
		return propertyDescriptor;
	}

	public IPropertyListenerHook hookListener(Object source,
			IValuePropertyChangeListener listener) {
		return new PropertyListenerHook(source, this, listener);
	}

	private static class PropertyListenerHook extends ValuePropertyListenerHook
			implements PropertyChangeListener {
		private Object cachedValue;

		private PropertyListenerHook(Object source, BeanValueProperty property,
				IValuePropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			BeanValueProperty property = (BeanValueProperty) getProperty();
			BeanPropertyListenerSupport.hookListener(getSource(),
					property.propertyDescriptor.getName(), this);
			cachedValue = property.getValue(getSource());
		}

		protected void unhookListener() {
			cachedValue = null;
			BeanValueProperty property = (BeanValueProperty) getProperty();
			BeanPropertyListenerSupport.unhookListener(getSource(),
					property.propertyDescriptor.getName(), this);
		}

		public void propertyChange(PropertyChangeEvent evt) {
			BeanValueProperty property = (BeanValueProperty) getProperty();
			if (property.propertyDescriptor.getName().equals(
					evt.getPropertyName())) {
				Object oldValue = evt.getOldValue();
				Object newValue = evt.getNewValue();
				if (oldValue == null && newValue == null) {
					oldValue = cachedValue;
					newValue = property.getValue(getSource());
				}
				cachedValue = newValue;
				fireValueChange(Diffs.createValueDiff(oldValue, newValue));
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 118516
 *******************************************************************************/
package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyChangeListener;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.util.Policy;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;

/**
 * This is a helper that will hook up and listen for
 * <code>PropertyChangeEvent</code> events for a set of target JavaBeans
 * 
 * @since 1.0
 */
public class BeanPropertyListenerSupport {
	/**
	 * Start listen to target (if it supports the JavaBean property change
	 * listener pattern)
	 * 
	 * @param bean
	 * @param propertyName
	 * @param listener
	 */
	public static void hookListener(Object bean, String propertyName,
			PropertyChangeListener listener) {
		Assert.isNotNull(listener, "Listener cannot be null"); //$NON-NLS-1$
		Assert.isNotNull(propertyName, "Property name cannot be null"); //$NON-NLS-1$
		processListener(bean, propertyName, listener,
				"addPropertyChangeListener", "Could not attach listener to ");//$NON-NLS-1$ //$NON-NLS-2$
	}

	/**
	 * Stop listen to target
	 * 
	 * @param bean
	 * @param propertyName
	 * @param listener
	 */
	public static void unhookListener(Object bean, String propertyName,
			PropertyChangeListener listener) {
		Assert.isNotNull(listener, "Listener cannot be null"); //$NON-NLS-1$
		Assert.isNotNull(propertyName, "Property name cannot be null"); //$NON-NLS-1$

		processListener(
				bean,
				propertyName,
				listener,
				"removePropertyChangeListener", "Cound not remove listener from "); //$NON-NLS-1$ //$NON-NLS-2$
	}

	/**
	 * Invokes the method for the provided <code>methodName</code> attempting to
	 * first use the method with the property name and then the unnamed version.
	 * 
	 * @param bean
	 *            object to invoke the method on
	 * @param methodName
	 *            either addPropertyChangeListener or
	 *            removePropertyChangeListener
	 * @param message
	 *            string that will be prefixed to the target in an error message
	 * 
	 * @return <code>true</code> if the method was invoked successfully
	 */
	private static boolean processListener(Object bean, String propertyName,
			PropertyChangeListener listener, String methodName, String message) {
		Method method = null;
		Object[] parameters = null;

		try {
			try {
				method = bean.getClass().getMethod(
						methodName,
						new Class[] { String.class,
								PropertyChangeListener.class });

				parameters = new Object[] { propertyName, listener };
			} catch (NoSuchMethodException e) {
				method = bean.getClass().getMethod(methodName,
						new Class[] { PropertyChangeListener.class });

				parameters = new Object[] { listener };
			}
		} catch (SecurityException e) {
			// ignore
		} catch (NoSuchMethodException e) {
			log(IStatus.WARNING, message + bean, e);
		}

		if (method != null) {
			if (!method.isAccessible()) {
				method.setAccessible(true);
			}
			try {
				method.invoke(bean, parameters);
				return true;
			} catch (IllegalArgumentException e) {
				log(IStatus.WARNING, message + bean, e);
			} catch (IllegalAccessException e) {
				log(IStatus.WARNING, message + bean, e);
			} catch (InvocationTargetException e) {
				log(IStatus.WARNING, message + bean, e);
			}
		}
		return false;
	}

	/**
	 * Logs a message to the Data Binding logger.
	 */
	private static void log(int severity, String message, Throwable throwable) {
		if (BeansObservables.DEBUG) {
			Policy.getLog().log(
					new Status(severity, Policy.JFACE_DATABINDING, IStatus.OK,
							message, throwable));
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.internal.databinding.beans;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.list.ListDiff;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.list.IListPropertyChangeListener;
import org.eclipse.core.databinding.property.list.ListPropertyListenerHook;
import org.eclipse.core.databinding.property.list.SimpleListProperty;

/**
 * @since 3.3
 * 
 */
public class BeanListProperty extends SimpleListProperty implements
		IBeanProperty {
	private final PropertyDescriptor propertyDescriptor;
	private final Class elementType;

	/**
	 * @param propertyDescriptor
	 * @param elementType
	 */
	public BeanListProperty(PropertyDescriptor propertyDescriptor,
			Class elementType) {
		this.propertyDescriptor = propertyDescriptor;
		this.elementType = elementType == null ? BeanPropertyHelper
				.getCollectionPropertyElementType(propertyDescriptor)
				: elementType;
	}

	public Object getElementType() {
		return elementType;
	}

	public List getList(Object source) {
		if (source == null)
			return Collections.EMPTY_LIST;
		Object propertyValue = BeanPropertyHelper.readProperty(source,
				propertyDescriptor);
		return asList(propertyValue);
	}

	private List asList(Object propertyValue) {
		if (propertyValue == null)
			return new ArrayList();
		if (propertyDescriptor.getPropertyType().isArray())
			return new ArrayList(Arrays.asList((Object[]) propertyValue));
		return (List) propertyValue;
	}

	protected void setList(Object source, List list, ListDiff diff) {
		if (source != null) {
			BeanPropertyHelper.writeProperty(source, propertyDescriptor,
					convertListToBeanPropertyType(list));
		}
	}

	private Object convertListToBeanPropertyType(List list) {
		Object propertyValue = list;
		if (propertyDescriptor.getPropertyType().isArray()) {
			Class componentType = propertyDescriptor.getPropertyType()
					.getComponentType();
			Object[] array = (Object[]) Array.newInstance(componentType, list
					.size());
			list.toArray(array);
			propertyValue = array;
		}
		return propertyValue;
	}

	public PropertyDescriptor getPropertyDescriptor() {
		return propertyDescriptor;
	}

	public IPropertyListenerHook hookListener(Object source,
			IListPropertyChangeListener listener) {
		return new PropertyListenerHook(source, this, listener);
	}

	private static class PropertyListenerHook extends ListPropertyListenerHook
			implements PropertyChangeListener {
		private List cachedList;

		private PropertyListenerHook(Object source, BeanListProperty property,
				IListPropertyChangeListener listener) {
			super(source, property, listener);
		}

		protected void hookListener() {
			BeanListProperty property = (BeanListProperty) getProperty();
			BeanPropertyListenerSupport.hookListener(getSource(),
					property.propertyDescriptor.getName(), this);
			cachedList = property.getList(getSource());
		}

		protected void unhookListener() {
			cachedList = null;
			BeanListProperty property = (BeanListProperty) getProperty();
			BeanPropertyListenerSupport.unhookListener(getSource(),
					property.propertyDescriptor.getName(), this);
		}

		public void propertyChange(PropertyChangeEvent evt) {
			BeanListProperty property = (BeanListProperty) getProperty();
			if (property.propertyDescriptor.getName().equals(
					evt.getPropertyName())) {
				Object oldValue = evt.getOldValue();
				Object newValue = evt.getNewValue();

				List oldList;
				List newList;
				if (oldValue == null && newValue == null) {
					oldList = cachedList;
					newList = property.getList(getSource());
				} else {
					oldList = property.asList(oldValue);
					newList = property.asList(newValue);
				}
				cachedList = newList;

				fireListChange(Diffs.computeListDiff(oldList, newList));
			}
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.databinding.beans;

import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.core.databinding.property.map.IMapProperty;
import org.eclipse.core.databinding.property.set.ISetProperty;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.internal.databinding.beans.BeanListProperty;
import org.eclipse.core.internal.databinding.beans.BeanMapProperty;
import org.eclipse.core.internal.databinding.beans.BeanPropertyHelper;
import org.eclipse.core.internal.databinding.beans.BeanSetProperty;
import org.eclipse.core.internal.databinding.beans.BeanValueProperty;

/**
 * A factory for creating properties for Java objects that conform to the <a
 * href="http://java.sun.com/products/javabeans/docs/spec.html">JavaBean
 * specification</a> for bound properties.
 * 
 * @since 1.2
 */
public class BeanProperties {
	/**
	 * Returns a value property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @return a value property for the given property name of the given bean
	 *         class.
	 */
	public static IValueProperty valueProperty(Class beanClass,
			String propertyName) {
		return valueProperty(beanClass, propertyName, null);
	}

	/**
	 * Returns a value property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @param valueType
	 *            the value type of the returned value property
	 * @return a value property for the given property name of the given bean
	 *         class.
	 */
	public static IValueProperty valueProperty(Class beanClass,
			String propertyName, Class valueType) {
		return new BeanValueProperty(BeanPropertyHelper.getPropertyDescriptor(
				beanClass, propertyName), valueType);
	}

	/**
	 * Returns a set property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @return a set property for the given property name of the given bean
	 *         class.
	 */
	public static ISetProperty setProperty(Class beanClass, String propertyName) {
		return setProperty(beanClass, propertyName, null);
	}

	/**
	 * Returns a set property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @param elementType
	 *            the element type of the returned set property
	 * @return a set property for the given property name of the given bean
	 *         class.
	 */
	public static ISetProperty setProperty(Class beanClass,
			String propertyName, Class elementType) {
		return new BeanSetProperty(BeanPropertyHelper.getPropertyDescriptor(
				beanClass, propertyName), elementType);
	}

	/**
	 * Returns a list property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @return a list property for the given property name of the given bean
	 *         class.
	 */
	public static IListProperty listProperty(Class beanClass,
			String propertyName) {
		return listProperty(beanClass, propertyName, null);
	}

	/**
	 * Returns a list property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @param elementType
	 *            the element type of the returned list property
	 * @return a list property for the given property name of the given bean
	 *         class.
	 */
	public static IListProperty listProperty(Class beanClass,
			String propertyName, Class elementType) {
		return new BeanListProperty(BeanPropertyHelper.getPropertyDescriptor(
				beanClass, propertyName), elementType);
	}

	/**
	 * Returns a map property for the given property name of the given bean
	 * class.
	 * 
	 * @param beanClass
	 *            the bean class
	 * @param propertyName
	 *            the property name
	 * @param keyType
	 *            the key type for the returned map property
	 * @param valueType
	 *            the value type for the returned map property
	 * @return a map property for the given property name of the given bean
	 *         class.
	 */
	public static IMapProperty mapProperty(Class beanClass,
			String propertyName, Object keyType, Object valueType) {
		return new BeanMapProperty(BeanPropertyHelper.getPropertyDescriptor(
				beanClass, propertyName), keyType, valueType);
	}
}




 *
 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Chris Aniszczyk <zx@code9.com> - bug 131435
 *     Matthew Hall - bug 248621
 ******************************************************************************/

package org.eclipse.jface.tests.databinding.swt;

import org.eclipse.core.databinding.observable.IDecoratingObservable;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.property.IPropertyObservable;
import org.eclipse.jface.databinding.conformance.util.ChangeEventTracker;
import org.eclipse.jface.databinding.conformance.util.RealmTester;
import org.eclipse.jface.databinding.swt.ISWTObservable;
import org.eclipse.jface.databinding.swt.ISWTObservableValue;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.internal.databinding.swt.CComboSelectionProperty;
import org.eclipse.jface.internal.databinding.swt.CComboTextProperty;
import org.eclipse.jface.internal.databinding.swt.CLabelTextProperty;
import org.eclipse.jface.internal.databinding.swt.CTabItemTooltipTextProperty;
import org.eclipse.jface.internal.databinding.swt.ComboSelectionProperty;
import org.eclipse.jface.internal.databinding.swt.ComboTextProperty;
import org.eclipse.jface.internal.databinding.swt.ControlTooltipTextProperty;
import org.eclipse.jface.internal.databinding.swt.ItemTextProperty;
import org.eclipse.jface.internal.databinding.swt.LabelTextProperty;
import org.eclipse.jface.internal.databinding.swt.ScaleMaximumProperty;
import org.eclipse.jface.internal.databinding.swt.ScaleMinimumProperty;
import org.eclipse.jface.internal.databinding.swt.ScaleSelectionProperty;
import org.eclipse.jface.internal.databinding.swt.SpinnerMaximumProperty;
import org.eclipse.jface.internal.databinding.swt.SpinnerMinimumProperty;
import org.eclipse.jface.internal.databinding.swt.SpinnerSelectionProperty;
import org.eclipse.jface.internal.databinding.swt.StyledTextTextProperty;
import org.eclipse.jface.internal.databinding.swt.TableSingleSelectionIndexProperty;
import org.eclipse.jface.internal.databinding.swt.TextEditableProperty;
import org.eclipse.jface.internal.databinding.swt.TextTextProperty;
import org.eclipse.jface.tests.databinding.AbstractSWTTestCase;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.widgets.Button;

		Spinner spinner = new Spinner(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeSelection(spinner);
		assertNotNull(value);
		assertTrue(value.getWidget() == spinner);

		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof SpinnerSelectionProperty);
	}

	public void testObserveSelectionOfButton() throws Exception {
		Button button = new Button(shell, SWT.PUSH);
		ISWTObservableValue value = SWTObservables.observeSelection(button);
		assertNotNull(value);
		assertTrue(value.getWidget() == button);
	}

	public void testObserveSelectionOfCombo() throws Exception {
		Combo combo = new Combo(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeSelection(combo);
		assertNotNull(value);
		assertTrue(value.getWidget() == combo);

		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof ComboSelectionProperty);
	}

	public void testObserveSelectionOfCCombo() throws Exception {
		CCombo combo = new CCombo(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeSelection(combo);
		assertNotNull(value);
		assertTrue(value.getWidget() == combo);

		IPropertyObservable property = getPropertyObservable(value);
		assertTrue(property.getProperty() instanceof CComboSelectionProperty);
	}

	public void testObserveSelectionOfList() throws Exception {
		List list = new List(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeSelection(list);
		assertNotNull(value);
		assertTrue(value.getWidget() == list);
	}
	
	public void testObserveSelectionOfScale() throws Exception {
		Scale scale = new Scale(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeSelection(scale);
		assertNotNull(value);
		assertTrue(value.getWidget() == scale);
		
		IPropertyObservable property = getPropertyObservable(value);
		assertTrue(property.getProperty() instanceof ScaleSelectionProperty);
	}

	public void testObserveSelectionOfUnsupportedControl() throws Exception {

		ISWTObservableValue value = SWTObservables.observeText(text,
				SWT.FocusOut);
		assertNotNull(value);
		assertTrue(value.getWidget() == text);
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof TextTextProperty);

		assertFalse(text.isListening(SWT.FocusOut));
		ChangeEventTracker.observe(value);
		assertTrue(text.isListening(SWT.FocusOut));
	}

	public void testObserveTextOfStyledText() throws Exception {
		StyledText text = new StyledText(shell, SWT.NONE);
		assertFalse(text.isListening(SWT.FocusOut));

		ISWTObservableValue value = SWTObservables.observeText(text,
				SWT.FocusOut);
		assertNotNull(value);
		assertTrue(value.getWidget() == text);
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof StyledTextTextProperty);

		assertFalse(text.isListening(SWT.FocusOut));
		ChangeEventTracker.observe(value);
		assertTrue(text.isListening(SWT.FocusOut));
	}


		Label label = new Label(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeText(label);
		assertNotNull(label);
		assertTrue(value.getWidget() == label);
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof LabelTextProperty);
	}

	public void testObserveTextOfCLabel() throws Exception {
		CLabel label = new CLabel(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeText(label);
		assertNotNull(label);
		assertTrue(value.getWidget() == label);
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof CLabelTextProperty);
	}

	public void testObserveTextOfCombo() throws Exception {
		Combo combo = new Combo(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeText(combo);
		assertNotNull(value);
		assertTrue(value.getWidget() == combo);

		assertTrue(getPropertyObservable(value).getProperty() instanceof ComboTextProperty);
	}

	/**
	 * @param observable
	 * @return
	 */
	private IPropertyObservable getPropertyObservable(
			ISWTObservableValue observable) {
		IDecoratingObservable decoratingObservable = (IDecoratingObservable) observable;
		IPropertyObservable propertyObservable = (IPropertyObservable) decoratingObservable
				.getDecorated();
		return propertyObservable;
	}

	public void testObserveTextOfCCombo() throws Exception {
		CCombo combo = new CCombo(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeText(combo);
		assertNotNull(value);
		assertTrue(value.getWidget() == combo);

		IDecoratingObservable decorating = (IDecoratingObservable) value;
		IPropertyObservable property = (IPropertyObservable) decorating
				.getDecorated();
		assertTrue(property.getProperty() instanceof CComboTextProperty);
	}

	public void testObserveTextOfText() throws Exception {
		Text text = new Text(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeText(text);
		assertNotNull(value);

		assertTrue(value.getWidget() == text);
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof TextTextProperty);
		
		assertFalse(text.isListening(SWT.Modify));
		assertFalse(text.isListening(SWT.FocusOut));
	}

		Item item = new CTabItem(ctf, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeText(item);
		assertNotNull(value);
		assertTrue(value.getWidget() == item);
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof ItemTextProperty);
	}

	public void testObserveTextOfUnsupportedControl() throws Exception {

		Item item = new CTabItem(ctf, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeTooltipText(item);
		assertNotNull(value);
		assertTrue(value.getWidget() == item);
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof CTabItemTooltipTextProperty);
	}

	public void testObserveTooltipOfUnsupportedControl() throws Exception {

		Label label = new Label(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeTooltipText(label);
		assertNotNull(value);
		assertTrue(value.getWidget() == label);
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof ControlTooltipTextProperty);
	}

	public void testObserveItemsOfCombo() throws Exception {
		Combo combo = new Combo(shell, SWT.NONE);
		IObservableList list = SWTObservables.observeItems(combo);
		assertNotNull(list);
		assertTrue(list instanceof ISWTObservable);
		assertTrue(((ISWTObservable) list).getWidget() == combo);
	}

	public void testObserveItemsOfCCombo() throws Exception {
		CCombo ccombo = new CCombo(shell, SWT.NONE);
		IObservableList list = SWTObservables.observeItems(ccombo);
		assertNotNull(list);
		ISWTObservable swtObservable = (ISWTObservable) list;
		assertTrue(swtObservable.getWidget() == ccombo);
	}

	public void testObserveItemsOfList() throws Exception {
		List list = new List(shell, SWT.NONE);
		IObservableList observableList = SWTObservables.observeItems(list);
		assertNotNull(observableList);
		ISWTObservable swtObservable = (ISWTObservable) observableList;
		assertTrue(swtObservable.getWidget() == list);
	}

	public void testObserveItemsOfUnsupportedControl() throws Exception {

		ISWTObservableValue value = SWTObservables
				.observeSingleSelectionIndex(table);
		assertNotNull(value);
		assertTrue(value.getWidget() == table);
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof TableSingleSelectionIndexProperty);
	}

	public void testObserveSingleSelectionIndexOfUnsupportedControl()

		Spinner spinner = new Spinner(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeMin(spinner);
		assertNotNull(value);
		assertTrue(value.getWidget() == spinner);
		
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof SpinnerMinimumProperty);
	}
	
	public void testObserveMinOfScale() throws Exception {
		Scale scale = new Scale(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeMin(scale);
		assertNotNull(value);
		assertTrue(value.getWidget() == scale);
		
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof ScaleMinimumProperty);
	}

	public void testObserveMinOfUnsupportedControl() throws Exception {

		Spinner spinner = new Spinner(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeMax(spinner);
		assertNotNull(value);
		assertTrue(value.getWidget() == spinner);
		
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof SpinnerMaximumProperty);
	}
	
	public void testObserveMaxOfScale() throws Exception {
		Scale scale = new Scale(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeMax(scale);
		assertNotNull(value);
		assertTrue(value.getWidget() == scale);
		
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof ScaleMaximumProperty);
	}
	
	public void testObserveMaxOfUnsupportedControl() throws Exception {

		Text text = new Text(shell, SWT.NONE);
		ISWTObservableValue value = SWTObservables.observeEditable(text);
		assertNotNull(value);
		assertTrue(value.getWidget() == text);
		IPropertyObservable propertyObservable = getPropertyObservable(value);
		assertTrue(propertyObservable.getProperty() instanceof TextEditableProperty);
	}
	
	public void testObserveEditableOfUnsupportedControl() throws Exception {




 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.ObservableDelegateTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.databinding.swt.ScaleProperties;
import org.eclipse.jface.internal.databinding.swt.ScaleObservableValue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Scale;

		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, scale,
					ScaleProperties.maximum());
		}

		public void change(IObservable observable) {




 *
 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Matthew Hall - bugs 118516, 213145, 194734
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.databinding.conformance.ObservableDelegateTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.databinding.swt.TableProperties;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, table,
					TableProperties.singleSelectionIndex());
		}

		public Object getValueType(IObservableValue observable) {




 *
 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.CLabelProperties;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.internal.databinding.swt.CLabelObservableValue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.widgets.Display;

		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, label,
					CLabelProperties.text());
		}

		public void change(IObservable observable) {




 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Ashley Cambrell - bug 198904
 *     Matthew Hall - bug 194734
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
import org.eclipse.jface.databinding.swt.ISWTObservableValue;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.tests.databinding.AbstractSWTTestCase;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Spinner;

public class SpinnerObservableValueTest extends AbstractSWTTestCase {
	public void testDispose() throws Exception {
		Spinner spinner = new Spinner(getShell(), SWT.NONE);
		ISWTObservableValue observableValue = SWTObservables.observeSelection(spinner);
				spinner, SWTProperties.SELECTION);
		ValueChangeEventTracker testCounterValueChangeListener = new ValueChangeEventTracker();
		observableValue.addValueChangeListener(testCounterValueChangeListener);





 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.ObservableDelegateTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.databinding.swt.ScaleProperties;
import org.eclipse.jface.internal.databinding.swt.ScaleObservableValue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Scale;

	}

	protected IObservable doCreateObservable() {
		return getObservableContractDelegate().createObservable(
				SWTObservables.getRealm(Display.getDefault()));
	}

	public void testGetValue() throws Exception {

		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, scale,
					ScaleProperties.selection());
		}

		public void change(IObservable observable) {




/*******************************************************************************
 * Copyright (c) 2007 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 208858)
 *     Matthew Hall - bug 213145
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import junit.framework.Test;
import junit.framework.TestSuite;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.IObservableCollection;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.jface.databinding.conformance.MutableObservableListContractTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableCollectionContractDelegate;
import org.eclipse.jface.internal.databinding.swt.SWTObservableList;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;

/**
 * @since 3.3
 */
public class SWTObservableListTest extends AbstractDefaultRealmTestCase {
	SWTObservableListStub list;

	protected void setUp() throws Exception {
		super.setUp();
		list = new SWTObservableListStub(Realm.getDefault(), 0);
	}

	public void testMove_ForwardAndBackward() {
		String element0 = "element0";
		String element1 = "element1";

		list.add(element0);
		list.add(element1);

		// move forward
		assertEquals(element0, list.move(0, 1));
		assertEquals(element1, list.move(0, 1));

		// move backward
		assertEquals(element1, list.move(1, 0));
		assertEquals(element0, list.move(1, 0));
	}

	public static Test suite() {
		TestSuite suite = new TestSuite(SWTObservableListTest.class.toString());
		suite.addTestSuite(SWTObservableListTest.class);
		suite.addTest(MutableObservableListContractTest.suite(new Delegate()));
		return suite;
	}

	static class Delegate extends AbstractObservableCollectionContractDelegate {
		public IObservableCollection createObservableCollection(Realm realm,
				int elementCount) {
			return new SWTObservableListStub(realm, elementCount);
		}

		private int counter;

		public Object createElement(IObservableCollection collection) {
			return "Item" + counter++;
		}

		public Object getElementType(IObservableCollection collection) {
			return String.class;
		}

		public void change(IObservable observable) {
			((SWTObservableListStub) observable).fireChange();
		}
	}

	static class SWTObservableListStub extends SWTObservableList {
		String[] items;

		public SWTObservableListStub(Realm realm, int elementCount) {
			super(realm);
			items = new String[elementCount];
			for (int i = 0; i < items.length; i++)
				items[i] = Integer.toString(i);
		}

		protected String getItem(int index) {
			return items[index];
		}

		protected int getItemCount() {
			return items.length;
		}

		protected String[] getItems() {
			return items;
		}

		protected void setItem(int index, String string) {
			items[index] = string;
		}

		protected void setItems(String[] newItems) {
			items = newItems;
		}

		protected void fireChange() {
			super.fireChange();
		}
	}
}




 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Ashley Cambrell - bug 198904
 *     Matthew Hall - bug 194734
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.tests.databinding.AbstractSWTTestCase;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Table;

public class TableObservableValueTest extends AbstractSWTTestCase {
	public void testDispose() throws Exception {
		Table table = new Table(getShell(), SWT.NONE);
		IObservableValue observableValue = SWTObservables
				.observeSingleSelectionIndex(table);

		TableItem item1 = new TableItem(table, SWT.NONE);
		item1.setText("Item1");




 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.TextProperties;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, text, TextProperties
					.text(SWT.FocusOut));
		}

		public Object getValueType(IObservableValue observable) {




 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.ObservableDelegateTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.TextProperties;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

		}
		
		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, text, TextProperties
					.editable());
		}
		
		public Object getValueType(IObservableValue observable) {




 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Brad Reynolds - bug 170848
 *     Matthew Hall - bug 194734
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.jface.databinding.swt.ISWTObservableValue;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;
import org.eclipse.swt.SWT;

	}

	public void testSetValueEnabled() throws Exception {
		ISWTObservableValue observableValue = SWTObservables
				.observeEnabled(shell);
		Boolean value = Boolean.FALSE;
		observableValue.setValue(value);
		assertFalse(shell.isEnabled());
	}

	public void testGetValueEnabled() throws Exception {
		ISWTObservableValue value = SWTObservables.observeEnabled(shell);
				SWTProperties.ENABLED);
		shell.setEnabled(false);
		assertEquals(Boolean.FALSE, value.getValue());
	}

	public void testGetValueTypeEnabled() throws Exception {
		ISWTObservableValue value = SWTObservables.observeEnabled(shell);
				SWTProperties.ENABLED);
		assertEquals(boolean.class, value.getValueType());
	}

	public void testSetValueVisible() throws Exception {
		ISWTObservableValue value = SWTObservables.observeVisible(shell);
				SWTProperties.VISIBLE);
		value.setValue(Boolean.FALSE);
		assertFalse(shell.isVisible());
	}

	public void testGetValueVisible() throws Exception {
		ISWTObservableValue value = SWTObservables.observeVisible(shell);
				SWTProperties.VISIBLE);
		shell.setVisible(false);
		assertEquals(Boolean.FALSE, value.getValue());
	}

	public void testGetValueTypeVisible() throws Exception {
		ISWTObservableValue value = SWTObservables.observeVisible(shell);
				SWTProperties.VISIBLE);
		assertEquals(Boolean.TYPE, value.getValueType());
	}

	public void testSetValueForeground() throws Exception {
		ISWTObservableValue value = SWTObservables.observeForeground(shell);
				SWTProperties.FOREGROUND);

		Color color = shell.getDisplay().getSystemColor(SWT.COLOR_BLACK);


	}

	public void testGetValueForeground() throws Exception {
		ISWTObservableValue value = SWTObservables.observeForeground(shell);
				SWTProperties.FOREGROUND);

		Color color = shell.getDisplay().getSystemColor(SWT.COLOR_BLACK);
		shell.setForeground(color);

	}

	public void testGetValueTypeForgroundColor() throws Exception {
		ISWTObservableValue value = SWTObservables.observeForeground(shell);
				SWTProperties.FOREGROUND);
		assertEquals(Color.class, value.getValueType());
	}

	public void testGetValueBackground() throws Exception {
		ISWTObservableValue value = SWTObservables.observeBackground(shell);
				SWTProperties.BACKGROUND);

		Color color = shell.getDisplay().getSystemColor(SWT.COLOR_BLACK);
		shell.setBackground(color);

	}

	public void testSetValueBackground() throws Exception {
		ISWTObservableValue value = SWTObservables.observeBackground(shell);
				SWTProperties.BACKGROUND);

		Color color = shell.getDisplay().getSystemColor(SWT.COLOR_BLACK);


	}

	public void testGetValueTypeBackgroundColor() throws Exception {
		ISWTObservableValue value = SWTObservables.observeBackground(shell);
				SWTProperties.BACKGROUND);
		assertEquals(Color.class, value.getValueType());
	}

	public void testGetValueTypeTooltip() throws Exception {
		ISWTObservableValue value = SWTObservables.observeTooltipText(shell);
				SWTProperties.TOOLTIP_TEXT);
		assertEquals(String.class, value.getValueType());
	}

	public void testSetValueFont() throws Exception {
		ISWTObservableValue value = SWTObservables.observeFont(shell);
				SWTProperties.FONT);

		Font font = JFaceResources.getDialogFont();


	}

	public void testGetValueFont() throws Exception {
		ISWTObservableValue value = SWTObservables.observeFont(shell);
				SWTProperties.FONT);

		Font font = JFaceResources.getDialogFont();
		shell.setFont(font);

	}

	public void testGetValueTypeFont() throws Exception {
		ISWTObservableValue value = SWTObservables.observeFont(shell);
				SWTProperties.FONT);
		assertEquals(Font.class, value.getValueType());
	}

	public void testSetValueTooltipText() throws Exception {
		ISWTObservableValue value = SWTObservables.observeTooltipText(shell);
				SWTProperties.TOOLTIP_TEXT);
		String text = "text";
		value.setValue(text);
		assertEquals(text, shell.getToolTipText());
	}

	public void testGetValueTooltipText() throws Exception {
		ISWTObservableValue value = SWTObservables.observeTooltipText(shell);
				SWTProperties.TOOLTIP_TEXT);
		String text = "text";
		shell.setToolTipText(text);
		assertEquals(text, value.getValue());
	}

	public void testGetValueTypeTooltipText() throws Exception {
		ISWTObservableValue value = SWTObservables.observeTooltipText(shell);
				SWTProperties.TOOLTIP_TEXT);
		assertEquals(String.class, value.getValueType());
	}
}




 *
 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.ObservableDelegateTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.LabelProperties;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.internal.databinding.swt.LabelObservableValue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;

	}
	
	protected IObservable doCreateObservable() {
		return getObservableContractDelegate().createObservable(
				SWTObservables.getRealm(Display.getDefault()));
	}

	public void testSetValue() throws Exception {
		// preconditions
		assertEquals("", label.getText());
		assertEquals("", observable.getValue());

		String value = "value";
		observable.setValue(value);
		assertEquals("label text", value, label.getText());
		assertEquals("observable value", value, observable.getValue());
	}
	
    public void testSetValue() throws Exception {
    	//preconditions
        assertEquals("", label.getText());
        assertEquals("", observable.getValue());
        
        String value = "value";
        observable.setValue(value);
        assertEquals("label text", value, label.getText());
        assertEquals("observable value", value, observable.getValue());
    }
    
    public static Test suite() {
    	TestSuite suite = new TestSuite(LabelObservableValueTest.class.toString());
    	suite.addTestSuite(LabelObservableValueTest.class);

		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, label,
					LabelProperties.text());
		}

		public void change(IObservable observable) {




 *     Brad Reynolds - bug 116920
 *     Brad Reynolds - bug 164653
 *     Ashley Cambrell - bug 198904
 *     Matthew Hall - bug 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
import org.eclipse.jface.databinding.swt.TextProperties;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Shell;

	 */
	public void testConstructorUpdateEventTypes() {
		try {
			TextProperties.text(SWT.None);
			TextProperties.text(SWT.FocusOut);
			TextProperties.text(SWT.Modify);
			assertTrue(true);
		} catch (IllegalArgumentException e) {
			fail();
		}

		try {
			TextProperties.text(SWT.Verify);
			fail();
		} catch (IllegalArgumentException e) {
			assertTrue(true);

	 * @throws Exception
	 */
	public void testGetValueBeforeFocusOutChangeEventsFire() throws Exception {
		IObservableValue observableValue = PropertyObservables.observeValue(
				text, TextProperties.text(SWT.FocusOut));
		observableValue.addValueChangeListener(listener);
		
		String a = "a";
		String b = "b";
		
		text.setText(a);

		assertEquals(0, listener.count);

		// fetching the value updates the buffered value
		assertEquals(a, observableValue.getValue()); 
		assertEquals(1, listener.count);

		text.setText(b);

		assertEquals(1, listener.count);

		text.notifyListeners(SWT.FocusOut, null);
		
		assertEquals(2, listener.count);
		assertEquals(a, listener.event.diff.getOldValue());
		assertEquals(b, listener.event.diff.getNewValue());
	}

	public void testDispose() throws Exception {
		IObservableValue observableValue = PropertyObservables.observeValue(
				text, TextProperties.text(SWT.Modify));
		ValueChangeEventTracker testCounterValueChangeListener = new ValueChangeEventTracker();
		observableValue.addValueChangeListener(testCounterValueChangeListener);





 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Ashley Cambrell - bug 198903
 *     Matthew Hall - bug 213145, 194734
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.CComboProperties;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.tests.databinding.AbstractSWTTestCase;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;

public class CComboSingleSelectionObservableValueTest extends AbstractSWTTestCase {
	public void testSetValue() throws Exception {
		CCombo combo = new CCombo(getShell(), SWT.NONE);
		IObservableValue observableValue = SWTObservables
				.observeSingleSelectionIndex(combo);
		combo.add("Item1");
		combo.add("Item2");


		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, combo,
					CComboProperties.singleSelectionIndex());
		}

		public void change(IObservable observable) {
			IObservableValue value = (IObservableValue)observable;
			value.setValue(createValue(value));
			combo.notifyListeners(SWT.Selection, null);
		}

		public Object getValueType(IObservableValue observable) {

		}
		
		private int _createValue(IObservableValue observable) {
			CCombo combo = ((CCombo) ((ISWTObservable) observable).getWidget());
			int value = Math.max(0, combo.getSelectionIndex());
			
			//returns either 0 or 1 depending upon current value




 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 212223)
 *     Matthew Hall - bug 213145, 245647, 194734
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import junit.framework.Test;
import junit.framework.TestSuite;

import org.eclipse.core.databinding.observable.Diffs;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.observable.value.WritableValue;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
import org.eclipse.jface.databinding.swt.ISWTObservableValue;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.internal.databinding.swt.SWTObservableValueDecorator;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Widget;

/**
 * Tests for DelayedObservableValue

	private Shell shell;
	private Object oldValue;
	private Object newValue;
	private ISWTObservableValue target;
	private ISWTObservableValue delayed;

	protected void setUp() throws Exception {
		super.setUp();
		display = Display.getCurrent();
		shell = new Shell(display);
		target = new SWTObservableValueDecorator(new WritableValue(
				SWTObservables.getRealm(display)), shell);
		oldValue = new Object();
		newValue = new Object();
		target.setValue(oldValue);

		assertEquals(newValue, tracker.event.diff.getNewValue());
	}

	static class SWTObservableValueStub extends AbstractSWTObservableValue {
		private Object value;
		private boolean stale;

		Object overrideValue;

		public SWTObservableValueStub(Realm realm, Widget widget) {
			super(realm, widget);
		}

		protected Object doGetValue() {
			return value;
		}

		protected void doSetValue(Object value) {
			Object oldValue = this.value;
			if (overrideValue != null)
				value = overrideValue;
			this.value = value;
			stale = false;
			fireValueChange(Diffs.createValueDiff(oldValue, value));
		}

		public Object getValueType() {
			return Object.class;
		}

		protected void fireStale() {
			stale = true;
			super.fireStale();
		}

		public boolean isStale() {
			return stale;
		}
	}

	public static Test suite() {
		TestSuite suite = new TestSuite(
				SWTDelayedObservableValueDecoratorTest.class.getName());


		public IObservableValue createObservableValue(Realm realm) {
			return SWTObservables.observeDelayedValue(0,
					new SWTObservableValueDecorator(new WritableValue(realm,
							null, Object.class), shell));
		}

		public Object getValueType(IObservableValue observable) {




 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.ObservableDelegateTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.databinding.swt.SpinnerProperties;
import org.eclipse.jface.internal.databinding.swt.SpinnerObservableValue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

	}
	
	protected IObservable doCreateObservable() {
		return getObservableContractDelegate().createObservable(
				SWTObservables.getRealm(Display.getDefault()));
	}

	public void testGetValue() throws Exception {

		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, spinner,
					SpinnerProperties.minimum());
		}

		public void change(IObservable observable) {




 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.ObservableDelegateTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.databinding.swt.SpinnerProperties;
import org.eclipse.jface.internal.databinding.swt.SpinnerObservableValue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

	}
	
	protected IObservable doCreateObservable() {
		return getObservableContractDelegate().createObservable(
				SWTObservables.getRealm(Display.getDefault()));
	}

	public void testGetValue() throws Exception {

		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, spinner,
					SpinnerProperties.maximum());
		}

		public void change(IObservable observable) {

Lines 8-14 Link Here

(-)src/org/eclipse/jface/tests/internal/databinding/swt/ButtonObservableValueTest.java (-11 / +11 lines)
8	* Contributors:	8	* Contributors:
9	* Brad Reynolds - initial API and implementation	9	* Brad Reynolds - initial API and implementation
10	* Ashley Cambrell - bug 198904	10	* Ashley Cambrell - bug 198904
11	* Matthew Hall - bug 213145	11	* Matthew Hall - bug 213145, 194734
12	******************************************************************************/	12	******************************************************************************/
13		13
14	package org.eclipse.jface.tests.internal.databinding.swt;	14	package org.eclipse.jface.tests.internal.databinding.swt;
Lines 19-28 Link Here
19	import org.eclipse.core.databinding.observable.IObservable;	19	import org.eclipse.core.databinding.observable.IObservable;
20	import org.eclipse.core.databinding.observable.Realm;	20	import org.eclipse.core.databinding.observable.Realm;
21	import org.eclipse.core.databinding.observable.value.IObservableValue;	21	import org.eclipse.core.databinding.observable.value.IObservableValue;
		22	import org.eclipse.core.databinding.property.PropertyObservables;
22	import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;	23	import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
23	import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;	24	import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
24	import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;	25	import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
25	import org.eclipse.jface.internal.databinding.swt.ButtonObservableValue;	26	import org.eclipse.jface.databinding.swt.ButtonProperties;
		27	import org.eclipse.jface.databinding.swt.ISWTObservableValue;
		28	import org.eclipse.jface.databinding.swt.SWTObservables;
26	import org.eclipse.jface.tests.databinding.AbstractSWTTestCase;	29	import org.eclipse.jface.tests.databinding.AbstractSWTTestCase;
27	import org.eclipse.swt.SWT;	30	import org.eclipse.swt.SWT;
28	import org.eclipse.swt.widgets.Button;	31	import org.eclipse.swt.widgets.Button;
Lines 33-51 Link Here
33	*/	36	*/
34	public class ButtonObservableValueTest extends AbstractSWTTestCase {	37	public class ButtonObservableValueTest extends AbstractSWTTestCase {
35	private Button button;	38	private Button button;
36	private ButtonObservableValue observableValue;	39	private ISWTObservableValue observableValue;
37	private ValueChangeEventTracker listener;	40	private ValueChangeEventTracker listener;
38		41
39	/* (non-Javadoc)
40	* @see junit.framework.TestCase#setUp()
41	*/
42	protected void setUp() throws Exception {	42	protected void setUp() throws Exception {
43	super.setUp();	43	super.setUp();
44		44
45	Shell shell = getShell();	45	Shell shell = getShell();
46	button = new Button(shell, SWT.CHECK);	46	button = new Button(shell, SWT.CHECK);
47	observableValue = new ButtonObservableValue(	47	observableValue = SWTObservables.observeSelection(button);
48	button);
49	listener = new ValueChangeEventTracker();	48	listener = new ValueChangeEventTracker();
50	}	49	}
51		50
Lines 130-136 Link Here
130	}	129	}
131		130
132	public IObservableValue createObservableValue(Realm realm) {	131	public IObservableValue createObservableValue(Realm realm) {
133	return new ButtonObservableValue(realm, button);	132	return PropertyObservables.observeValue(realm, button,
		133	ButtonProperties.selection());
134	}	134	}
135		135
136	public Object getValueType(IObservableValue observable) {	136	public Object getValueType(IObservableValue observable) {
Lines 138-145 Link Here
138	}	138	}
139		139
140	public void change(IObservable observable) {	140	public void change(IObservable observable) {
141	button.setSelection(changeValue(button));	141	((IObservableValue) observable).setValue(Boolean
142	button.notifyListeners(SWT.Selection, null);	142	.valueOf(changeValue(button)));
143	}	143	}
144		144
145	public Object createValue(IObservableValue observable) {	145	public Object createValue(IObservableValue observable) {




 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.ObservableDelegateTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.databinding.swt.ScaleProperties;
import org.eclipse.jface.internal.databinding.swt.ScaleObservableValue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Scale;

		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, scale, ScaleProperties.minimum());
		}

		public void change(IObservable observable) {




 *
 * Contributors:
 *     Ashley Cambrell - initial API and implementation
 *     Matthew Hall - bug 194734
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.tests.databinding.AbstractSWTTestCase;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.List;

public class ListSingleSelectionObservableValueTest extends AbstractSWTTestCase {
	public void testSetValue() throws Exception {
		List list = new List(getShell(), SWT.NONE);
		IObservableValue observableValue = SWTObservables
				.observeSingleSelectionIndex(list);
		list.add("Item1");

		assertEquals(-1, list.getSelectionIndex());


	public void testDispose() throws Exception {
		List list = new List(getShell(), SWT.NONE);
		IObservableValue observableValue = SWTObservables
				.observeSingleSelectionIndex(list);
		list.add("Item1");
		list.add("Item2");





 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 212235)
 *     Matthew Hall - bug 213145, 194734
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.databinding.swt.ShellProperties;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;
import org.eclipse.swt.widgets.Shell;


	String oldValue;
	String newValue;
	Shell shell;
	IObservableValue observable;
	ValueChangeEventTracker tracker;

	protected void setUp() throws Exception {
		super.setUp();
		shell = new Shell();
		observable = SWTObservables.observeText(shell);
		oldValue = "old";
		newValue = "new";
		shell.setText(oldValue);

		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, shell,
					ShellProperties.text());
		}

		public Object getValueType(IObservableValue observable) {




 *
 * Contributors:
 *     Ashley Cambrell - initial API and implementation (bug 198903)
 *     Matthew Hall - bug 194734
 ******************************************************************************/
package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.tests.databinding.AbstractSWTTestCase;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Combo;

		AbstractSWTTestCase {
	public void testSetValue() throws Exception {
		Combo combo = new Combo(getShell(), SWT.NONE);
		IObservableValue observableValue = SWTObservables
				.observeSingleSelectionIndex(combo);
		combo.add("Item1");
		combo.add("Item2");





 *
 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
import org.eclipse.jface.databinding.swt.CComboProperties;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.internal.databinding.swt.SWTObservableValueDecorator;
import org.eclipse.jface.internal.databinding.swt.SWTProperties;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.widgets.Display;

		}

		public IObservableValue createObservableValue(Realm realm) {
			return new SWTObservableValueDecorator(
					PropertyObservables.observeValue(realm, combo,
							CComboProperties.text()), combo);
		}

		public void change(IObservable observable) {
			IObservableValue ov = (IObservableValue) observable;
			ov.setValue(createValue(ov));
		}

		public Object getValueType(IObservableValue observable) {




 *
 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
import org.eclipse.jface.databinding.swt.ComboProperties;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.internal.databinding.swt.SWTObservableValueDecorator;
import org.eclipse.jface.internal.databinding.swt.SWTProperties;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Display;

		}

		public IObservableValue createObservableValue(Realm realm) {
			return new SWTObservableValueDecorator(
					PropertyObservables.observeValue(realm, combo,
							ComboProperties.text()), combo);
		}

		public void change(IObservable observable) {
			((IObservableValue) observable)
					.setValue(createValue((IObservableValue) observable));
		}

		public Object getValueType(IObservableValue observable) {




 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.ObservableDelegateTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.databinding.swt.SpinnerProperties;
import org.eclipse.jface.internal.databinding.swt.SpinnerObservableValue;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

	}

	protected IObservable doCreateObservable() {
		return getObservableContractDelegate().createObservable(
				SWTObservables.getRealm(Display.getDefault()));
	}

	public void testGetValue() throws Exception {

		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, spinner,
					SpinnerProperties.selection());
		}

		public void change(IObservable observable) {

Lines 8-20 Link Here

(-)src/org/eclipse/jface/tests/internal/databinding/swt/ComboObservableValueTest.java (-16 / +22 lines)
8	* Contributors:	8	* Contributors:
9	* Brad Reynolds - initial API and implementation	9	* Brad Reynolds - initial API and implementation
10	* Ashley Cambrell - bug 198904	10	* Ashley Cambrell - bug 198904
		11	* Matthew Hall - bug 194734
11	******************************************************************************/	12	******************************************************************************/
12		13
13	package org.eclipse.jface.tests.internal.databinding.swt;	14	package org.eclipse.jface.tests.internal.databinding.swt;
14		15
		16	import org.eclipse.core.databinding.observable.value.IObservableValue;
		17	import org.eclipse.core.databinding.property.PropertyObservables;
		18	import org.eclipse.core.databinding.property.value.IValueProperty;
15	import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;	19	import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
16	import org.eclipse.jface.internal.databinding.swt.ComboObservableValue;	20	import org.eclipse.jface.databinding.swt.ComboProperties;
17	import org.eclipse.jface.internal.databinding.swt.SWTProperties;	21	import org.eclipse.jface.databinding.swt.SWTObservables;
		22	import org.eclipse.jface.internal.databinding.swt.ComboSelectionProperty;
		23	import org.eclipse.jface.internal.databinding.swt.ComboTextProperty;
18	import org.eclipse.jface.tests.databinding.AbstractSWTTestCase;	24	import org.eclipse.jface.tests.databinding.AbstractSWTTestCase;
19	import org.eclipse.swt.SWT;	25	import org.eclipse.swt.SWT;
20	import org.eclipse.swt.widgets.Combo;	26	import org.eclipse.swt.widgets.Combo;
Lines 26-33 Link Here
26	public class ComboObservableValueTest extends AbstractSWTTestCase {	32	public class ComboObservableValueTest extends AbstractSWTTestCase {
27	public void testDispose() throws Exception {	33	public void testDispose() throws Exception {
28	Combo combo = new Combo(getShell(), SWT.NONE);	34	Combo combo = new Combo(getShell(), SWT.NONE);
29	ComboObservableValue observableValue = new ComboObservableValue(combo,	35	IObservableValue observableValue = SWTObservables.observeText(combo);
30	SWTProperties.TEXT);
31	ValueChangeEventTracker testCounterValueChangeListener = new ValueChangeEventTracker();	36	ValueChangeEventTracker testCounterValueChangeListener = new ValueChangeEventTracker();
32	observableValue.addValueChangeListener(testCounterValueChangeListener);	37	observableValue.addValueChangeListener(testCounterValueChangeListener);
33		38
Lines 51-75 Link Here
51	}	56	}
52		57
53	public void testSetValueWithNull() {	58	public void testSetValueWithNull() {
54	testSetValueWithNull(SWTProperties.TEXT);	59	testSetValueWithNull(ComboProperties.text());
55	testSetValueWithNull(SWTProperties.SELECTION);	60	testSetValueWithNull(ComboProperties.selection());
56	}	61	}
57		62
58	protected void testSetValueWithNull(String observableMode) {	63	protected void testSetValueWithNull(IValueProperty property) {
59	Combo combo = new Combo(getShell(), SWT.NONE);	64	Combo combo = new Combo(getShell(), SWT.NONE);
60	combo.setItems(new String[] {"one", "two", "three"});	65	combo.setItems(new String[] { "one", "two", "three" });
61	ComboObservableValue observable = new ComboObservableValue(	66	IObservableValue observable = PropertyObservables.observeValue(combo,
62	combo, observableMode);	67	property);
63		68
64	observable.doSetValue("two");	69	observable.setValue("two");
65	assertEquals("two", combo.getText());	70	assertEquals("two", combo.getText());
66	if (observableMode.equals(SWTProperties.SELECTION)) {	71	if (property instanceof ComboSelectionProperty) {
67	assertEquals("expect selection at index 1 in mode " + observableMode, 1, combo.getSelectionIndex());	72	assertEquals("expect selection at index 1 in selection mode", 1,
		73	combo.getSelectionIndex());
68	}	74	}
69		75
70	if (observableMode.equals(SWTProperties.TEXT)) {	76	if (property instanceof ComboTextProperty) {
71	observable.doSetValue(null);	77	observable.setValue(null);
72	assertEquals("expect empty text in mode " + observableMode, "", combo.getText());	78	assertEquals("expect empty text in text mode", "", combo.getText());
73	}	79	}
74	}	80	}
75	}	81	}




import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
import org.eclipse.jface.databinding.swt.CComboProperties;
import org.eclipse.jface.databinding.swt.ISWTObservable;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.internal.databinding.swt.SWTObservableValueDecorator;
import org.eclipse.jface.internal.databinding.swt.SWTProperties;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.widgets.Display;

		IObservableValue observable = (IObservableValue) delegate
				.createObservable(SWTObservables.getRealm(Display.getDefault()));

		ValueChangeEventTracker listener = ValueChangeEventTracker
				.observe(observable);
		combo.select(0);

		assertEquals("Observable was not notified.", 1, listener.count);

		}

		public IObservableValue createObservableValue(Realm realm) {
			return new SWTObservableValueDecorator(PropertyObservables
					.observeValue(realm, combo, CComboProperties
							.selection()), combo);
		}

		public void change(IObservable observable) {
			IObservableValue ov = (IObservableValue) observable;
			ov.setValue(createValue(ov));

			combo.select(index);
		}

		public Object getValueType(IObservableValue observable) {




 *     Brad Reynolds - initial API and implementation
 *     Ashley Cambrell - bug 198904
 *     Eric Rizzo - bug 134884
 *     Matthew Hall - bug 194734
 ******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
import org.eclipse.jface.databinding.swt.CComboProperties;
import org.eclipse.jface.databinding.swt.ISWTObservableValue;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.tests.databinding.AbstractSWTTestCase;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;

public class CComboObservableValueTest extends AbstractSWTTestCase {
	public void testDispose() throws Exception {
		CCombo combo = new CCombo(getShell(), SWT.NONE);
		ISWTObservableValue observableValue = SWTObservables.observeText(combo);
				combo, SWTProperties.TEXT);

		ValueChangeEventTracker testCounterValueChangeListener = new ValueChangeEventTracker();
		observableValue.addValueChangeListener(testCounterValueChangeListener);

	}

	public void testSetValueWithNull() {
		testSetValueWithNull(CComboProperties.text());
		testSetValueWithNull(CComboProperties.selection());
	}

	protected void testSetValueWithNull(IValueProperty property) {
		CCombo combo = new CCombo(getShell(), SWT.NONE);
		combo.setItems(new String[] { "one", "two", "three" });
		IObservableValue observable = PropertyObservables.observeValue(
				combo, property);

		observable.setValue("two");
		assertEquals("two", combo.getText());
		assertEquals(1, combo.getSelectionIndex());

		observable.setValue(null);
		assertEquals("", combo.getText());
		assertEquals(-1, combo.getSelectionIndex());
	}




 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.TextProperties;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, text, TextProperties
					.text(SWT.Modify));
		}

		public Object getValueType(IObservableValue observable) {




 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 213145, 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
import org.eclipse.jface.databinding.swt.ComboProperties;
import org.eclipse.jface.databinding.swt.ISWTObservable;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.internal.databinding.swt.SWTObservableValueDecorator;
import org.eclipse.jface.internal.databinding.swt.SWTProperties;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Display;

		}

		public IObservableValue createObservableValue(Realm realm) {
			return new SWTObservableValueDecorator(PropertyObservables
					.observeValue(realm, combo, ComboProperties
							.selection()), combo);
		}

		public void change(IObservable observable) {
			int index = combo
					.indexOf((String) createValue((IObservableValue) observable));

			((IObservableValue) observable).setValue(combo.getItem(index));
			combo.notifyListeners(SWT.Selection, null);
		}

		public Object getValueType(IObservableValue observable) {




 *
 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Matthew Hall - bugs 221351, 213145, 244098, 246103, 194734
 ******************************************************************************/

package org.eclipse.core.tests.internal.databinding.beans;

import java.beans.IntrospectionException;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;

import junit.framework.Test;
import junit.framework.TestSuite;

import org.eclipse.core.databinding.beans.BeanProperties;
import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.beans.IBeanObservable;
import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.IObservableCollection;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.list.ListChangeEvent;
import org.eclipse.core.databinding.observable.list.ListDiff;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableList;
import org.eclipse.jface.databinding.conformance.MutableObservableListContractTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableCollectionContractDelegate;
import org.eclipse.jface.databinding.conformance.util.CurrentRealm;

 */
public class JavaBeanObservableArrayBasedListTest extends
		AbstractDefaultRealmTestCase {
	private IObservableList list;
	private IBeanObservable beanObservable;

	private PropertyDescriptor propertyDescriptor;


		super.setUp();

		propertyName = "array";
		propertyDescriptor = ((IBeanProperty) BeanProperties.listProperty(
				Bean.class, propertyName)).getPropertyDescriptor();
		bean = new Bean(new Object[0]);

		list = BeansObservables.observeList(SWTObservables.getRealm(Display
				.getDefault()), bean, propertyName);
		beanObservable = (IBeanObservable) list;
	}

	public void testGetObserved() throws Exception {
		assertSame(bean, beanObservable.getObserved());
	}

	public void testGetPropertyDescriptor() throws Exception {
		assertEquals(propertyDescriptor, beanObservable.getPropertyDescriptor());
	}

	public void testRegistersListenerAfterFirstListenerIsAdded()
			throws Exception {
		assertFalse(bean.changeSupport.hasListeners(propertyName));
		list.addListChangeListener(new ListChangeEventTracker());
		assertTrue(bean.changeSupport.hasListeners(propertyName));
	}

	public void testRemovesListenerAfterLastListenerIsRemoved()
			throws Exception {
		ListChangeEventTracker listener = new ListChangeEventTracker();
		list.addListChangeListener(listener);

		assertTrue(bean.changeSupport.hasListeners(propertyName));
		list.removeListChangeListener(listener);
		assertFalse(bean.changeSupport.hasListeners(propertyName));
	}


		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;

		assertSame(list, event.getObservableList());
		assertDiff(event.diff, Collections.EMPTY_LIST, Collections
				.singletonList("1"));
	}

	public void testAdd_FiresPropertyChangeEvent() throws Exception {

		list.add(0, element);

		ListChangeEvent event = listener.event;
		assertDiff(event.diff, Collections.EMPTY_LIST, Collections
				.singletonList("1"));
	}

	public void testAddAtIndexPropertyChangeEvent() throws Exception {


		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Collections.singletonList("1"),
				Collections.EMPTY_LIST);
	}

	public void testRemovePropertyChangeEvent() throws Exception {


		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Collections.singletonList(element),
				Collections.EMPTY_LIST);
	}

	public void testRemoveAtIndexPropertyChangeEvent() throws Exception {


		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Collections.EMPTY_LIST, Arrays
				.asList(new String[] { "1", "2" }));
	}

	public void testAddAllPropertyChangeEvent() throws Exception {


		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Arrays.asList(new Object[] { "1", "2" }), Arrays
				.asList(new Object[] { "1", "2", "1", "2" }));
	}

	public void testAddAllAtIndexPropertyChangeEvent() throws Exception {

	}

	public void testRemoveAll() throws Exception {
		list.addAll(Arrays.asList(new String[] { "1", "2", "3", "4" }));
		list.addAll(elements);
		list.addAll(elements);

		assertEquals(4, bean.getArray().length);

		list.removeAll(Arrays.asList(new String[] { "2", "4" }));

		assertEquals(2, bean.getArray().length);
		assertEquals("1", bean.getArray()[0]);
		assertEquals("3", bean.getArray()[1]);
	}

	public void testRemoveAllListChangeEvent() throws Exception {

		list.removeAll(elements);

		ListChangeEvent event = listener.event;
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Arrays
				.asList(new Object[] { "1", "2", "1", "2" }),
				Collections.EMPTY_LIST);
	}

	public void testRemoveAllPropertyChangeEvent() throws Exception {


		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Arrays
				.asList(new Object[] { "0", "1", "2", "3" }), Arrays
				.asList(new Object[] { "0", "1" }));
	}

	public void testRetainAllPropertyChangeEvent() throws Exception {


		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Collections.singletonList(oldElement),
				Collections.singletonList(newElement));
	}

	public void testSetPropertyChangeEvent() throws Exception {

		assertEquals(Collections.singletonList("new"), list);
	}

	private static void assertDiff(ListDiff diff, List oldList, List newList) {
		oldList = new ArrayList(oldList); // defensive copy in case arg is
		// unmodifiable
		diff.applyTo(oldList);
		assertEquals("applying diff to list did not produce expected result",
				newList, oldList);
	}

	private static void assertPropertyChangeEvent(Bean bean, Runnable runnable) {

		PropertyChangeEvent event = listener.evt;
		assertEquals("event did not fire", 1, listener.count);
		assertEquals("array", event.getPropertyName());
		assertTrue("old value", Arrays.equals(old, (Object[]) event
				.getOldValue()));
		assertTrue("new value", Arrays.equals(bean.getArray(), (Object[]) event
				.getNewValue()));
		assertFalse("lists are equal", Arrays.equals(bean.getArray(), old));
	}



		PropertyChangeEvent evt;

		/*
		 * (non-Javadoc)
		 * 
		 * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
		 */
		public void propertyChange(PropertyChangeEvent evt) {
			count++;
			this.evt = evt;

	}

	public static Test suite() {
		TestSuite suite = new TestSuite(
				JavaBeanObservableArrayBasedListTest.class.getName());
		suite.addTestSuite(JavaBeanObservableArrayBasedListTest.class);
		suite.addTest(MutableObservableListContractTest.suite(new Delegate()));
		return suite;

		public IObservableCollection createObservableCollection(Realm realm,
				int elementCount) {
			String propertyName = "array";
			PropertyDescriptor propertyDescriptor;
			try {
				propertyDescriptor = new PropertyDescriptor(propertyName,
						Bean.class);
			} catch (IntrospectionException e) {
				throw new RuntimeException(e);
			}
			Object bean = new Bean(new Object[0]);

			IObservableList list = BeansObservables.observeList(realm, bean,
					propertyName, String.class);
			for (int i = 0; i < elementCount; i++)
				list.add(createElement(list));
			return list;




 *
 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Matthew Hall - bugs 208858, 213145, 246625, 194734
 ******************************************************************************/

package org.eclipse.core.tests.internal.databinding.beans;

import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.IObservableCollection;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.list.WritableList;
import org.eclipse.core.internal.databinding.beans.BeanObservableListDecorator;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableList;
import org.eclipse.jface.databinding.conformance.MutableObservableListContractTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableCollectionContractDelegate;
import org.eclipse.jface.databinding.swt.SWTObservables;

public class BeanObservableListDecoratorTest extends TestCase {
	private Bean bean;
	private PropertyDescriptor propertyDescriptor;
	private IObservableList observableList;
	private BeanObservableListDecorator decorator;

	/*
	 * (non-Javadoc)
	 * 
	 * @see junit.framework.TestCase#setUp()
	 */
	protected void setUp() throws Exception {
		super.setUp();
		
		bean = new Bean();
		propertyDescriptor = new PropertyDescriptor(
				"list", Bean.class,"getList","setList");
		observableList = BeansObservables.observeList(
				SWTObservables.getRealm(Display.getDefault()), bean, "list");
				propertyDescriptor, Bean.class);
		decorator = new BeanObservableListDecorator(observableList, propertyDescriptor);
	}

	public void testGetDelegate() throws Exception {
		assertSame(observableList, decorator.getDecorated());
	}

	public void testGetObserved() throws Exception {
		assertSame(bean, decorator.getObserved());
	}

	public void testGetPropertyDescriptor() throws Exception {
		assertSame(propertyDescriptor, decorator.getPropertyDescriptor());
	}

	public static Test suite() {




 *
 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Matthew Hall - bugs 221351, 213145, 244098, 246103, 194734
 ******************************************************************************/

package org.eclipse.core.tests.internal.databinding.beans;

import java.beans.IntrospectionException;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;

import junit.framework.Test;
import junit.framework.TestSuite;

import org.eclipse.core.databinding.beans.BeanProperties;
import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.beans.IBeanObservable;
import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.beans.PojoObservables;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.IObservableCollection;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.list.ListChangeEvent;
import org.eclipse.core.databinding.observable.list.ListDiff;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableList;
import org.eclipse.jface.databinding.conformance.MutableObservableListContractTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableCollectionContractDelegate;
import org.eclipse.jface.databinding.conformance.util.ChangeEventTracker;

 * @since 1.1
 */
public class JavaBeanObservableListTest extends AbstractDefaultRealmTestCase {
	private IObservableList list;
	private IBeanObservable beanObservable;

	private PropertyDescriptor propertyDescriptor;


		super.setUp();

		propertyName = "list";
		propertyDescriptor = ((IBeanProperty) BeanProperties.listProperty(
				Bean.class, propertyName)).getPropertyDescriptor();
		bean = new Bean(new ArrayList());

		list = BeansObservables.observeList(SWTObservables.getRealm(Display
				.getDefault()), bean, propertyName);
		beanObservable = (IBeanObservable) list;
	}

	public void testGetObserved() throws Exception {
		assertEquals(bean, beanObservable.getObserved());
	}

	public void testGetPropertyDescriptor() throws Exception {
		assertEquals(propertyDescriptor, beanObservable.getPropertyDescriptor());
	}

	public void testRegistersListenerAfterFirstListenerIsAdded()
			throws Exception {
		assertFalse(bean.changeSupport.hasListeners(propertyName));
		list.addListChangeListener(new ListChangeEventTracker());
		assertTrue(bean.changeSupport.hasListeners(propertyName));
	}

	public void testRemovesListenerAfterLastListenerIsRemoved()
			throws Exception {
		ListChangeEventTracker listener = new ListChangeEventTracker();
		list.addListChangeListener(listener);

		assertTrue(bean.changeSupport.hasListeners(propertyName));
		list.removeListChangeListener(listener);
		assertFalse(bean.changeSupport.hasListeners(propertyName));
	}


		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;

		assertSame(list, event.getObservableList());
		assertDiff(event.diff, Collections.EMPTY_LIST, Collections
				.singletonList("1"));
	}

	public void testAddFiresPropertyChangeEvent() throws Exception {
		assertPropertyChangeEvent(bean, new Runnable() {
			public void run() {
				list.add("0");
			}
		});
	}


		list.add(0, element);

		ListChangeEvent event = listener.event;
		assertDiff(event.diff, Collections.EMPTY_LIST, Collections
				.singletonList("1"));
	}

	public void testAddAtIndexPropertyChangeEvent() throws Exception {
		assertPropertyChangeEvent(bean, new Runnable() {
			public void run() {
				list.add(0, "0");
			}
		});
	}


		list.add(element);

		assertEquals(1, bean.getList().size());
		assertPropertyChangeEvent(bean, new Runnable() {
			public void run() {
				list.clear();
			}

	public void testRemove() throws Exception {
		String element = "1";
		list.add(element);

		assertEquals(1, bean.getList().size());
		list.remove(element);
		assertEquals(0, bean.getList().size());
	}

	public void testRemoveListChangeEvent() throws Exception {
		String element = "1";
		list.add(element);


		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Collections.singletonList("1"),
				Collections.EMPTY_LIST);
	}

	public void testRemovePropertyChangeEvent() throws Exception {
		list.add("0");

		assertPropertyChangeEvent(bean, new Runnable() {
			public void run() {
				list.remove("0");
			}
		});
	}



		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Collections.singletonList(element),
				Collections.EMPTY_LIST);
	}

	public void testRemoveAtIndexPropertyChangeEvent() throws Exception {
		list.add("0");
		assertPropertyChangeEvent(bean, new Runnable() {
			public void run() {
				list.remove(0);
			}
		});
	}



		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Collections.EMPTY_LIST, Arrays
				.asList(new String[] { "1", "2" }));
	}

	public void testAddAllPropertyChangeEvent() throws Exception {
		assertPropertyChangeEvent(bean, new Runnable() {
			public void run() {
				list.addAll(Arrays.asList(new String[] { "0", "1" }));
			}
		});
	}



		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Arrays.asList(new Object[] { "1", "2" }), Arrays
				.asList(new Object[] { "1", "2", "1", "2" }));
	}

	public void testAddAllAtIndexPropertyChangeEvent() throws Exception {
		assertPropertyChangeEvent(bean, new Runnable() {
			public void run() {
				list.addAll(0, Arrays.asList(new String[] { "1", "2" }));
			}
		});
	}

	public void testRemoveAll() throws Exception {
		list.addAll(Arrays.asList(new String[] { "1", "2", "3", "4" }));
		list.addAll(elements);
		list.addAll(elements);

		assertEquals(4, bean.getList().size());

		list.removeAll(Arrays.asList(new String[] { "2", "4" }));

		assertEquals(2, bean.getList().size());
		assertEquals("1", bean.getList().get(0));
		assertEquals("3", bean.getList().get(1));
	}

	public void testRemoveAllListChangeEvent() throws Exception {


		ListChangeEvent event = listener.event;
		assertEquals(list, event.getObservableList());
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Arrays
				.asList(new Object[] { "1", "2", "1", "2" }),
				Collections.EMPTY_LIST);
	}

	public void testRemoveAllPropertyChangeEvent() throws Exception {
		list.add("0");
		assertPropertyChangeEvent(bean, new Runnable() {
			public void run() {
				list.removeAll(Arrays.asList(new String[] { "0" }));
			}
		});
	}



		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Arrays
				.asList(new Object[] { "0", "1", "2", "3" }), Arrays
				.asList(new Object[] { "0", "1" }));
	}

	public void testRetainAllPropertyChangeEvent() throws Exception {
		list.addAll(Arrays.asList(new String[] { "0", "1" }));

		assertPropertyChangeEvent(bean, new Runnable() {
			public void run() {
				list.retainAll(Arrays.asList(new String[] { "0" }));
			}
		});
	}



		assertEquals(1, listener.count);
		ListChangeEvent event = listener.event;
		assertSame(list, event.getObservableList());

		assertDiff(event.diff, Collections.singletonList(oldElement),
				Collections.singletonList(newElement));
	}

	public void testSetPropertyChangeEvent() throws Exception {

		assertPropertyChangeEvent(bean, new Runnable() {
			public void run() {
				list.set(0, "1");
			}
		});
	}



	public void testConstructor_RegistersListener() throws Exception {
		Bean bean = new Bean();
		IObservableList observable = BeansObservables.observeList(Realm
				.getDefault(), bean, "list");

		assertFalse(bean.hasListeners("list"));
		ChangeEventTracker.observe(observable);
		assertTrue(bean.hasListeners("list"));
	}

	public void testConstructor_SkipsRegisterListener() throws Exception {
		Bean bean = new Bean();
		IObservableList observable = PojoObservables.observeList(Realm
				.getDefault(), bean, "list");
				new PropertyDescriptor("list", Bean.class), Bean.class, false);

		assertFalse(bean.hasListeners("list"));
		ChangeEventTracker.observe(observable);

		bean.setList(Collections.singletonList("new"));

		assertEquals(1, tracker.count);

		List list = new ArrayList();
		list.add("old");
		tracker.event.diff.applyTo(list);
		assertEquals(Collections.singletonList("new"), list);
	}

	private static void assertDiff(ListDiff diff, List oldList, List newList) {
		oldList = new ArrayList(oldList); // defensive copy in case arg is
		// unmodifiable
		diff.applyTo(oldList);
		assertEquals("applying diff to list did not produce expected result",
				newList, oldList);
	}

	private static void assertPropertyChangeEvent(Bean bean, Runnable runnable) {
		PropertyChangeTracker listener = new PropertyChangeTracker();
		bean.addPropertyChangeListener(listener);

		List old = bean.getList();
		assertEquals(0, listener.count);

		runnable.run();

		PropertyChangeEvent event = listener.evt;
		assertEquals("event did not fire", 1, listener.count);
		assertEquals("list", event.getPropertyName());

		assertEquals("new value", bean.getList(), event.getNewValue());
		assertFalse("lists are equal", bean.getList().equals(old));
	}

	private static class PropertyChangeTracker implements
			PropertyChangeListener {
		int count;

		PropertyChangeEvent evt;

		/*
		 * (non-Javadoc)
		 * 
		 * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
		 */
		public void propertyChange(PropertyChangeEvent evt) {
			count++;
			this.evt = evt;

	}

	public static Test suite() {
		TestSuite suite = new TestSuite(JavaBeanObservableListTest.class
				.getName());
		suite.addTestSuite(JavaBeanObservableListTest.class);
		suite.addTest(MutableObservableListContractTest.suite(new Delegate()));
		return suite;

		public IObservableCollection createObservableCollection(Realm realm,
				int elementCount) {
			String propertyName = "list";
			PropertyDescriptor propertyDescriptor;
			try {
				propertyDescriptor = new PropertyDescriptor(propertyName,
						Bean.class);
			} catch (IntrospectionException e) {
				throw new RuntimeException(e);
			}
			Object bean = new Bean(new ArrayList());

			IObservableList list = BeansObservables.observeList(realm, bean,
					propertyName, String.class);
			for (int i = 0; i < elementCount; i++)
				list.add(createElement(list));
			return list;




 *
 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Matthew Hall - bug 246625, 194734
 ******************************************************************************/

package org.eclipse.core.tests.internal.databinding.beans;

import java.beans.PropertyDescriptor;

import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.internal.databinding.beans.BeanObservableValueDecorator;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableValue;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;
import org.eclipse.swt.widgets.Display;

 */
public class BeanObservableValueDecoratorTest extends AbstractDefaultRealmTestCase {
	private Bean bean;
	private IObservableValue observableValue;
	private BeanObservableValueDecorator decorator;
	private PropertyDescriptor propertyDescriptor;
	
	/*
	 * (non-Javadoc)
	 * 
	 * @see junit.framework.TestCase#setUp()
	 */
	protected void setUp() throws Exception {
		super.setUp();
		
		bean = new Bean();
		propertyDescriptor = new PropertyDescriptor("value", Bean.class);
		observableValue = BeansObservables.observeValue(SWTObservables
				.getRealm(Display.getDefault()), bean, "value");
		decorator = new BeanObservableValueDecorator(observableValue,
				propertyDescriptor);
		decorator = new BeanObservableValueDecorator(
				observableValue, observableValue
						.getPropertyDescriptor());
	}

	public void testGetDelegate() throws Exception {
		assertSame(observableValue, decorator.getDecorated());
	}
	
	public void testGetObserved() throws Exception {
		assertSame(bean, decorator.getObserved());
	}

	public void testGetPropertyDescriptor() throws Exception {
		assertSame(propertyDescriptor, decorator.getPropertyDescriptor());
	}
}




 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bugs 213145, 241585, 246103, 194734
 *******************************************************************************/

package org.eclipse.core.tests.internal.databinding.beans;

import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.eclipse.core.databinding.beans.BeanProperties;
import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.beans.IBeanObservable;
import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.beans.PojoObservables;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.map.IMapChangeListener;
import org.eclipse.core.databinding.observable.map.IObservableMap;
import org.eclipse.core.databinding.observable.map.MapChangeEvent;
import org.eclipse.core.databinding.observable.map.MapDiff;
import org.eclipse.core.databinding.observable.set.WritableSet;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableMap;
import org.eclipse.core.tests.databinding.observable.ThreadRealm;
import org.eclipse.jface.databinding.conformance.util.ChangeEventTracker;
import org.eclipse.jface.databinding.conformance.util.CurrentRealm;


	private PropertyDescriptor propertyDescriptor;

	private IObservableMap map;
	private IBeanObservable beanObservable;

	protected void setUp() throws Exception {
		ThreadRealm realm = new ThreadRealm();

		set.add(model1);
		set.add(model2);

		String propertyName = "value";
		propertyDescriptor = ((IBeanProperty) BeanProperties.valueProperty(
				Bean.class, propertyName)).getPropertyDescriptor();
		map = BeansObservables.observeMap(set, Bean.class, propertyName);
		beanObservable = (IBeanObservable) map;
	}

	public void testGetValue() throws Exception {

	}
	
	public void testGetObserved() throws Exception {
		assertEquals(set, beanObservable.getObserved());
	}
	
	public void testGetPropertyDescriptor() throws Exception {
		assertEquals(propertyDescriptor, beanObservable.getPropertyDescriptor());
	}
	
	public void testConstructor_SkipRegisterListeners() throws Exception {

		Bean bean = new Bean();
		set.add(bean);
		
		IObservableMap observable = PojoObservables.observeMap(set, Bean.class,
				"value");
		assertFalse(bean.hasListeners("value"));
		ChangeEventTracker.observe(observable);

		assertFalse(bean.hasListeners("value"));

		Bean bean = new Bean();
		set.add(bean);
		
		IObservableMap observable = BeansObservables.observeMap(set,
				Bean.class, "value");
		assertFalse(bean.hasListeners("value"));
		ChangeEventTracker.observe(observable);

		assertTrue(bean.hasListeners("value"));




 *     Brad Reynolds - initial API and implementation
 *     Brad Reynolds - bug 171616
 *     Katarzyna Marszalek - test case for bug 198519
 *     Matthew Hall - bug 213145, 246103, 194734
 ******************************************************************************/

package org.eclipse.core.tests.internal.databinding.beans;

import java.beans.IntrospectionException;
import java.beans.PropertyDescriptor;

import junit.framework.Test;
import junit.framework.TestSuite;

import org.eclipse.core.databinding.beans.BeanProperties;
import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.beans.IBeanObservable;
import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.beans.PojoObservables;
import org.eclipse.core.databinding.observable.ChangeEvent;
import org.eclipse.core.databinding.observable.IChangeListener;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.ComputedValue;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableValue;
import org.eclipse.jface.databinding.conformance.MutableObservableValueContractTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.util.ChangeEventTracker;

 */
public class JavaBeanObservableValueTest extends AbstractDefaultRealmTestCase {
	private Bean bean;
	private IObservableValue observableValue;
	private IBeanObservable beanObservable;
	private PropertyDescriptor propertyDescriptor;
	private String propertyName;

	/* (non-Javadoc)
	 * @see junit.framework.TestCase#setUp()
	 */
	protected void setUp() throws Exception {
		super.setUp();
		
		bean = new Bean();
		propertyName = "value";
		propertyDescriptor = ((IBeanProperty) BeanProperties.valueProperty(
				Bean.class, propertyName)).getPropertyDescriptor();
		observableValue = BeansObservables.observeValue(bean, propertyName);
		beanObservable = (IBeanObservable) observableValue;
	}

	public void testGetObserved() throws Exception {
		assertEquals(bean, beanObservable.getObserved());
	}

	public void testGetPropertyDescriptor() throws Exception {
    	assertEquals(propertyDescriptor, beanObservable.getPropertyDescriptor());
	}

	public void testSetValueThrowsExceptionThrownByBean() throws Exception {
		ThrowsSetException temp = new ThrowsSetException();
		IObservableValue observable = BeansObservables.observeValue(temp,
				"value");
				new PropertyDescriptor("value", ThrowsSetException.class));

		try {
			observable.setValue("");

	
	public void testGetValueThrowsExceptionThrownByBean() throws Exception {
		ThrowsGetException temp = new ThrowsGetException();
		IObservableValue observable = BeansObservables.observeValue(temp,
				"value");
				new PropertyDescriptor("value", ThrowsGetException.class));

		try {
			observable.getValue();

	}

	public void testConstructor_RegistersListeners() throws Exception {
		IObservableValue observable = BeansObservables.observeValue(bean,
				propertyName);
		ChangeEventTracker.observe(observable);
		
		assertTrue(bean.hasListeners(propertyName));
	}
	
	public void testConstructor_SkipRegisterListeners() throws Exception {
		IObservableValue observable = PojoObservables.observeValue(bean,
				propertyName);
		ChangeEventTracker.observe(observable);
		
		assertFalse(bean.hasListeners(propertyName));

		}
		
		public IObservableValue createObservableValue(Realm realm) {
			return BeansObservables.observeValue(realm, bean, "value");
				PropertyDescriptor propertyDescriptor = new PropertyDescriptor("value", Bean.class);
				return new JavaBeanObservableValue(realm, bean,
						propertyDescriptor);					
			} catch (IntrospectionException e) {
				throw new RuntimeException(e);
			}
		}
		
		public void change(IObservable observable) {




 *
 * Contributors:
 *     Brad Reynolds - initial API and implementation
 *     Matthew Hall - bugs 221351, 213145, 244098, 246103, 194734
 ******************************************************************************/

package org.eclipse.core.tests.internal.databinding.beans;

import java.beans.IntrospectionException;
import java.beans.PropertyDescriptor;
import java.util.Arrays;
import java.util.Collections;

import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.eclipse.core.databinding.beans.BeanProperties;
import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.beans.IBeanObservable;
import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.beans.PojoObservables;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.IObservableCollection;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.set.IObservableSet;
import org.eclipse.core.databinding.observable.set.ISetChangeListener;
import org.eclipse.core.databinding.observable.set.SetChangeEvent;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableSet;
import org.eclipse.jface.databinding.conformance.MutableObservableSetContractTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableCollectionContractDelegate;
import org.eclipse.jface.databinding.conformance.util.ChangeEventTracker;

 * @since 3.3
 */
public class JavaBeanObservableSetTest extends TestCase {
	private IObservableSet observableSet;
	private IBeanObservable beanObservable;
	private Bean bean;
	private PropertyDescriptor propertyDescriptor;
	private String propertyName;
	private SetChangeListener listener;

	/*
	 * (non-Javadoc)
	 * 
	 * @see junit.framework.TestCase#setUp()
	 */
	protected void setUp() throws Exception {
		bean = new Bean();
		propertyName = "set";
		propertyDescriptor = ((IBeanProperty) BeanProperties.setProperty(
				Bean.class, propertyName)).getPropertyDescriptor();

		observableSet = BeansObservables
				.observeSet(SWTObservables.getRealm(Display.getDefault()),
						bean, propertyName, Bean.class);
		beanObservable = (IBeanObservable) observableSet;
		listener = new SetChangeListener();
	}

	public void testGetObserved() throws Exception {
		assertEquals(bean, beanObservable.getObserved());
	}

	public void testGetPropertyDescriptor() throws Exception {
		assertEquals(propertyDescriptor, beanObservable.getPropertyDescriptor());
	}
	
	public void testGetElementType() throws Exception {
		assertEquals(Bean.class, observableSet.getElementType());
	}
	
	public void testRegistersListenerAfterFirstListenerIsAdded() throws Exception {
		assertFalse(bean.changeSupport.hasListeners(propertyName));
		observableSet.addSetChangeListener(new SetChangeListener());
		assertTrue(bean.changeSupport.hasListeners(propertyName));
	}
		
    public void testRemovesListenerAfterLastListenerIsRemoved() throws Exception {
		observableSet.addSetChangeListener(listener);
		
		assertTrue(bean.changeSupport.hasListeners(propertyName));
		observableSet.removeSetChangeListener(listener);
		assertFalse(bean.changeSupport.hasListeners(propertyName));
	}
	


	public void testConstructor_RegisterListeners() throws Exception {
		bean = new Bean();
		observableSet = BeansObservables.observeSet(new CurrentRealm(true), bean,
				propertyName);
		assertFalse(bean.hasListeners(propertyName));
		ChangeEventTracker.observe(observableSet);
		assertTrue(bean.hasListeners(propertyName));
	}

	public void testConstructor_SkipsRegisterListeners() throws Exception {
		bean = new Bean();

		observableSet = PojoObservables.observeSet(new CurrentRealm(true),
				bean, propertyName);
		assertFalse(bean.hasListeners(propertyName));
		ChangeEventTracker.observe(observableSet);
		assertFalse(bean.hasListeners(propertyName));

				int elementCount) {
			Bean bean = new Bean();
			String propertyName = "set";
			PropertyDescriptor propertyDescriptor;
			try {
				propertyDescriptor = new PropertyDescriptor(propertyName,
						Bean.class);
			} catch (IntrospectionException e) {
				throw new RuntimeException(e);
			}

			IObservableSet set = BeansObservables.observeSet(realm, bean,
					propertyName, String.class);
			for (int i = 0; i < elementCount; i++)
				set.add(createElement(set));
			return set;

Lines 7-13 Link Here

(-)src/org/eclipse/core/tests/internal/databinding/beans/BeanObservableSetDecoratorTest.java (-19 / +13 lines)
7	*	7	*
8	* Contributors:	8	* Contributors:
9	* Brad Reynolds - initial API and implementation	9	* Brad Reynolds - initial API and implementation
10	* Matthew Hall - bug 246625	10	* Matthew Hall - bug 246625, 194734
11	******************************************************************************/	11	******************************************************************************/
12		12
13	package org.eclipse.core.tests.internal.databinding.beans;	13	package org.eclipse.core.tests.internal.databinding.beans;
Lines 16-23 Link Here
16		16
17	import junit.framework.TestCase;	17	import junit.framework.TestCase;
18		18
		19	import org.eclipse.core.databinding.beans.BeansObservables;
		20	import org.eclipse.core.databinding.observable.set.IObservableSet;
19	import org.eclipse.core.internal.databinding.beans.BeanObservableSetDecorator;	21	import org.eclipse.core.internal.databinding.beans.BeanObservableSetDecorator;
20	import org.eclipse.core.internal.databinding.beans.JavaBeanObservableSet;
21	import org.eclipse.jface.databinding.swt.SWTObservables;	22	import org.eclipse.jface.databinding.swt.SWTObservables;
22	import org.eclipse.swt.widgets.Display;	23	import org.eclipse.swt.widgets.Display;
23		24
Lines 26-62 Link Here
26	*/	27	*/
27	public class BeanObservableSetDecoratorTest extends TestCase {	28	public class BeanObservableSetDecoratorTest extends TestCase {
28	private PropertyDescriptor propertyDescriptor;	29	private PropertyDescriptor propertyDescriptor;
29	private JavaBeanObservableSet observableSet;	30	private IObservableSet observableSet;
30	private BeanObservableSetDecorator decorator;	31	private BeanObservableSetDecorator decorator;
31	private Bean bean;	32	private Bean bean;
32		33
33	/*
34	* (non-Javadoc)
35	*
36	* @see junit.framework.TestCase#setUp()
37	*/
38	protected void setUp() throws Exception {	34	protected void setUp() throws Exception {
39	super.setUp();	35	super.setUp();
40		36
41	bean = new Bean();	37	bean = new Bean();
42	propertyDescriptor = new PropertyDescriptor("set",	38	propertyDescriptor = new PropertyDescriptor("set", Bean.class);
43	Bean.class);	39	observableSet = BeansObservables.observeSet(SWTObservables
44	observableSet = new JavaBeanObservableSet(	40	.getRealm(Display.getDefault()), bean, "set");
45	SWTObservables.getRealm(Display.getDefault()), bean,	41	decorator = new BeanObservableSetDecorator(observableSet,
46	propertyDescriptor, String.class);	42	propertyDescriptor);
47	decorator = new BeanObservableSetDecorator(
48	observableSet, propertyDescriptor);
49	}	43	}
50		44
51	public void testGetDelegate() throws Exception {	45	public void testGetDecorated() throws Exception {
52	assertEquals(observableSet, decorator.getDecorated());	46	assertSame(observableSet, decorator.getDecorated());
53	}	47	}
54		48
55	public void testGetObserved() throws Exception {	49	public void testGetObserved() throws Exception {
56	assertEquals(bean, decorator.getObserved());	50	assertSame(bean, decorator.getObserved());
57	}	51	}
58		52
59	public void testGetPropertyDescriptor() throws Exception {	53	public void testGetPropertyDescriptor() throws Exception {
60	assertEquals(propertyDescriptor, decorator.getPropertyDescriptor());	54	assertSame(propertyDescriptor, decorator.getPropertyDescriptor());
61	}	55	}
62	}	56	}




 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 221351)
 *     Brad Reynolds - through JavaBeanObservableArrayBasedListTest.java
 *     Matthew Hall - bug 213145, 244098, 246103, 194734
 ******************************************************************************/

package org.eclipse.core.tests.internal.databinding.beans;

import java.beans.IntrospectionException;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;

import junit.framework.Test;
import junit.framework.TestSuite;

import org.eclipse.core.databinding.beans.BeanProperties;
import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.beans.IBeanObservable;
import org.eclipse.core.databinding.beans.IBeanProperty;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.IObservableCollection;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.set.IObservableSet;
import org.eclipse.core.databinding.observable.set.SetChangeEvent;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableSet;
import org.eclipse.jface.databinding.conformance.MutableObservableSetContractTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableCollectionContractDelegate;
import org.eclipse.jface.databinding.conformance.util.CurrentRealm;

 */
public class JavaBeanObservableArrayBasedSetTest extends
		AbstractDefaultRealmTestCase {
	private IObservableSet set;
	private IBeanObservable beanObservable;

	private PropertyDescriptor propertyDescriptor;


		super.setUp();

		propertyName = "array";
		propertyDescriptor = ((IBeanProperty) BeanProperties.setProperty(
				Bean.class, propertyName)).getPropertyDescriptor();
		bean = new Bean(new HashSet());

		set = BeansObservables.observeSet(SWTObservables.getRealm(Display
				.getDefault()), bean, propertyName);
		beanObservable = (IBeanObservable) set;
	}

	public void testGetObserved() throws Exception {
		assertEquals(bean, beanObservable.getObserved());
	}

	public void testGetPropertyDescriptor() throws Exception {
		assertEquals(propertyDescriptor, beanObservable.getPropertyDescriptor());
	}

	public void testRegistersListenerAfterFirstListenerIsAdded()
			throws Exception {
		assertFalse(bean.changeSupport.hasListeners(propertyName));
		SetChangeEventTracker.observe(set);
		assertTrue(bean.changeSupport.hasListeners(propertyName));
	}

	public void testRemovesListenerAfterLastListenerIsRemoved()
			throws Exception {
		SetChangeEventTracker listener = SetChangeEventTracker.observe(set);

		assertTrue(bean.changeSupport.hasListeners(propertyName));
		set.removeSetChangeListener(listener);
		assertFalse(bean.changeSupport.hasListeners(propertyName));
	}


		assertEquals("array", event.getPropertyName());
		assertTrue("old value", Arrays.equals(old, (Object[]) event
				.getOldValue()));
		assertTrue("new value", Arrays.equals(bean.getArray(), (Object[]) event
				.getNewValue()));
		assertFalse("sets are equal", Arrays.equals(bean.getArray(), old));
	}



		PropertyChangeEvent evt;

		/*
		 * (non-Javadoc)
		 * 
		 * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
		 */
		public void propertyChange(PropertyChangeEvent evt) {
			count++;
			this.evt = evt;

	}

	public static Test suite() {
		TestSuite suite = new TestSuite(
				JavaBeanObservableArrayBasedSetTest.class.getName());
		suite.addTestSuite(JavaBeanObservableArrayBasedSetTest.class);
		suite.addTest(MutableObservableSetContractTest.suite(new Delegate()));
		return suite;

		public IObservableCollection createObservableCollection(Realm realm,
				int elementCount) {
			String propertyName = "array";
			PropertyDescriptor propertyDescriptor;
			try {
				propertyDescriptor = new PropertyDescriptor(propertyName,
						Bean.class);
			} catch (IntrospectionException e) {
				throw new RuntimeException(e);
			}
			Object bean = new Bean(new Object[0]);

			IObservableSet set = BeansObservables.observeSet(realm, bean,
					propertyName, String.class);
			for (int i = 0; i < elementCount; i++)
				set.add(createElement(set));
			return set;




/*******************************************************************************
 * Copyright (c) 2007, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.core.tests.internal.databinding.beans;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.util.Arrays;

import org.eclipse.core.databinding.util.ILogger;
import org.eclipse.core.databinding.util.Policy;
import org.eclipse.core.internal.databinding.beans.ListenerSupport;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;

/**
 * @since 1.1
 */
public class ListenerSupportTest extends AbstractDefaultRealmTestCase {
	private PropertyChangeListenerStub listener;
	private String propertyName;

	protected void setUp() throws Exception {
		super.setUp();

		listener = new PropertyChangeListenerStub();
		propertyName = "value";
	}

	public void testAddPropertyChangeListenerWithPropertyName()
			throws Exception {
		SpecificListenerBean bean = new SpecificListenerBean();

		ListenerSupport support = new ListenerSupport(listener, propertyName);
		assertFalse(bean.changeSupport.hasListeners(propertyName));
		assertNull(support.getHookedTargets());
		
		support.hookListener(bean);
		assertTrue("has listeners", bean.changeSupport.hasListeners(propertyName));
		assertTrue("hooked target", Arrays.asList(support.getHookedTargets()).contains(bean));
	}

	public void testAddPropertyChangeListenerWithoutPropertyName()
			throws Exception {
		GenericListenerBean bean = new GenericListenerBean();

		ListenerSupport support = new ListenerSupport(listener, propertyName);
		assertFalse(bean.changeSupport.hasListeners(propertyName));
		assertNull(support.getHookedTargets());
		
		support.hookListener(bean);
		assertTrue("has listeners", bean.changeSupport.hasListeners(propertyName));
		assertTrue("hooked target", Arrays.asList(support.getHookedTargets()).contains(bean));
	}

	public void testChangeListenerIsOnlyNotifiedWhenWatchedPropertyChanges()
			throws Exception {
		GenericListenerBean bean = new GenericListenerBean();
		ListenerSupport support = new ListenerSupport(listener, propertyName);
		support.hookListener(bean);

		assertEquals(0, listener.count);
		bean.setValue("1");
		assertEquals(1, listener.count);
		assertEquals("value", listener.event.getPropertyName());

		bean.setOther("2");
		assertEquals(1, listener.count);
	}

	public void testLogStatusWhenAddPropertyChangeListenerMethodIsNotFound()
			throws Exception {
		class BeanStub {
		}

		class Log implements ILogger {
			int count;
			IStatus status;

			public void log(IStatus status) {
				count++;
				this.status = status;
			}
		}

		Log log = new Log();
		Policy.setLog(log);

		ListenerSupport support = new ListenerSupport(listener, "value");
		BeanStub bean = new BeanStub();

		assertEquals(0, log.count);
		support.hookListener(bean);
		assertEquals(1, log.count);
		assertEquals(IStatus.WARNING, log.status.getSeverity());
	}

	public void testRemovePropertyChangeListenerWithPropertyName()
			throws Exception {
		SpecificListenerBean bean = new SpecificListenerBean();
		ListenerSupport support = new ListenerSupport(listener, propertyName);
		support.hookListener(bean);

		assertTrue(bean.changeSupport.hasListeners(propertyName));
		assertTrue(Arrays.asList(support.getHookedTargets()).contains(bean));
		
		support.unhookListener(bean);
		assertFalse("has listeners", bean.changeSupport.hasListeners(propertyName));
		assertNull("unhooked target", support.getHookedTargets());
	}

	public void testRemovePropertyChangeListenerWithoutPropertyName()
			throws Exception {
		GenericListenerBean bean = new GenericListenerBean();
		ListenerSupport support = new ListenerSupport(listener, propertyName);
		support.hookListener(bean);

		assertTrue(bean.changeSupport.hasListeners(propertyName));
		assertTrue(Arrays.asList(support.getHookedTargets()).contains(bean));
		
		support.unhookListener(bean);
		assertFalse("has listeners", bean.changeSupport.hasListeners(propertyName));
		assertNull("unhooked target", support.getHookedTargets());
	}

	public void testLogStatusWhenRemovePropertyChangeListenerMethodIsNotFound()
			throws Exception {
		class InvalidBean {
		}

		class Log implements ILogger {
			int count;
			IStatus status;

			public void log(IStatus status) {
				count++;
				this.status = status;
			}
		}

		Log log = new Log();
		Policy.setLog(log);

		ListenerSupport support = new ListenerSupport(listener, "value");
		InvalidBean bean = new InvalidBean();

		support.hookListener(bean);
		log.count = 0;
		log.status = null;
		assertEquals(0, log.count);
		support.unhookListener(bean);
		assertEquals(1, log.count);
		assertEquals(IStatus.WARNING, log.status.getSeverity());
	}

	static class GenericListenerBean {
		private String other;
		PropertyChangeSupport changeSupport = new PropertyChangeSupport(this);
		private String value;

		public String getValue() {
			return value;
		}

		public void setValue(String value) {
			changeSupport.firePropertyChange("value", this.value,
					this.value = value);
		}

		public String getOther() {
			return other;
		}

		public void setOther(String other) {
			changeSupport.firePropertyChange("other", this.other,
					this.other = other);
		}

		public void addPropertyChangeListener(PropertyChangeListener listener) {
			changeSupport.addPropertyChangeListener(listener);
		}

		public void removePropertyChangeListener(PropertyChangeListener listener) {
			changeSupport.removePropertyChangeListener(listener);
		}
	}

	static class SpecificListenerBean {
		PropertyChangeSupport changeSupport = new PropertyChangeSupport(this);
		String propertyName;
		String value;

		public void addPropertyChangeListener(String name,
				PropertyChangeListener listener) {
			this.propertyName = name;
			changeSupport.addPropertyChangeListener(name, listener);
		}

		public void removePropertyChangeListener(String name,
				PropertyChangeListener listener) {
			changeSupport.removePropertyChangeListener(name, listener);
		}

		public String getValue() {
			return value;
		}

		public void setValue(String value) {
			this.value = value;
		}
	}

	static class PropertyChangeListenerStub implements PropertyChangeListener {
		PropertyChangeEvent event;
		int count;

		public void propertyChange(PropertyChangeEvent evt) {
			count++;
			this.event = evt;
		}
	}
}




 *     Ashley Cambrell - bugs 198903, 198904
 *     Matthew Hall - bugs 210115, 212468, 212223, 206839, 208858, 208322,
 *                    212518, 215531, 221351, 184830, 213145, 218269, 239015,
 *                    237703, 237718, 222289, 247394, 233306, 247647, 246103,
 *                    194734
 *     Ovidio Mallo - bug 237163, bug 235195
 *******************************************************************************/
package org.eclipse.jface.tests.databinding;

import org.eclipse.core.tests.databinding.observable.value.ComputedValueTest;
import org.eclipse.core.tests.databinding.observable.value.DecoratingObservableValueTest;
import org.eclipse.core.tests.databinding.observable.value.WritableValueTest;
import org.eclipse.core.tests.databinding.property.PropertyTest;
import org.eclipse.core.tests.databinding.util.PolicyTest;
import org.eclipse.core.tests.databinding.validation.MultiValidatorTest;
import org.eclipse.core.tests.databinding.validation.ValidationStatusTest;

import org.eclipse.core.tests.internal.databinding.beans.BeanObservableListDecoratorTest;
import org.eclipse.core.tests.internal.databinding.beans.BeanObservableSetDecoratorTest;
import org.eclipse.core.tests.internal.databinding.beans.BeanObservableValueDecoratorTest;
import org.eclipse.core.tests.internal.databinding.beans.BeanValuePropertyTest;
import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableArrayBasedListTest;
import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableArrayBasedSetTest;
import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableListTest;

import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableSetTest;
import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableValueTest;
import org.eclipse.core.tests.internal.databinding.beans.JavaBeanPropertyObservableMapTest;
import org.eclipse.core.tests.internal.databinding.beans.BeanPropertyListenerSupportTest;
import org.eclipse.core.tests.internal.databinding.conversion.DateConversionSupportTest;
import org.eclipse.core.tests.internal.databinding.conversion.IdentityConverterTest;
import org.eclipse.core.tests.internal.databinding.conversion.IntegerToStringConverterTest;

import org.eclipse.jface.tests.internal.databinding.swt.LabelObservableValueTest;
import org.eclipse.jface.tests.internal.databinding.swt.ListSingleSelectionObservableValueTest;
import org.eclipse.jface.tests.internal.databinding.swt.SWTDelayedObservableValueDecoratorTest;
import org.eclipse.jface.tests.internal.databinding.swt.SWTObservableListTest;
import org.eclipse.jface.tests.internal.databinding.swt.ScaleObservableValueMaxTest;
import org.eclipse.jface.tests.internal.databinding.swt.ScaleObservableValueMinTest;
import org.eclipse.jface.tests.internal.databinding.swt.ScaleObservableValueSelectionTest;

import org.eclipse.jface.tests.internal.databinding.swt.SpinnerObservableValueMinTest;
import org.eclipse.jface.tests.internal.databinding.swt.SpinnerObservableValueSelectionTest;
import org.eclipse.jface.tests.internal.databinding.swt.SpinnerObservableValueTest;
import org.eclipse.jface.tests.internal.databinding.swt.StyledTextObservableValueFocusOutTest;
import org.eclipse.jface.tests.internal.databinding.swt.StyledTextObservableValueModifyTest;
import org.eclipse.jface.tests.internal.databinding.swt.StyledTextObservableValueTest;
import org.eclipse.jface.tests.internal.databinding.swt.TableObservableValueTest;
import org.eclipse.jface.tests.internal.databinding.swt.TableSingleSelectionObservableValueTest;
import org.eclipse.jface.tests.internal.databinding.swt.TextEditableObservableValueTest;

	}

	public BindingTestSuite() {

		// org.eclipse.core.tests.databinding
		addTestSuite(AggregateValidationStatusTest.class);
		addTestSuite(DatabindingContextTest.class);

		addTest(ObservableSetTest.suite());
		addTest(UnionSetTest.suite());
		addTest(WritableSetTest.suite());

		// org.eclipse.core.tests.databinding.observable.value
		addTestSuite(AbstractObservableValueTest.class);
		addTestSuite(AbstractVetoableValueTest.class);
		addTestSuite(ComputedValueTest.class);
		addTest(DecoratingObservableValueTest.suite());
		addTest(WritableValueTest.suite());

		// org.eclipse.core.tests.databinding.property
		addTestSuite(PropertyTest.class);

		// org.eclipse.core.tests.databinding.validation
		addTestSuite(MultiValidatorTest.class);
		addTestSuite(ValidationStatusTest.class);

		// org.eclipse.core.tests.internal.databinding
		addTestSuite(BindingMessagesTest.class);
		addTestSuite(BindingStatusTest.class);

		addTestSuite(StringToNumberParserTest.class);
		addTestSuite(StringToShortConverterTest.class);

		// org.eclipse.core.tests.internal.databinding.internal.beans
		addTest(BeanObservableListDecoratorTest.suite());
		addTestSuite(BeanObservableSetDecoratorTest.class);
		addTestSuite(BeanObservableValueDecoratorTest.class);
		addTestSuite(BeanObservableListDecoratorTest.class);
		addTestSuite(BeanValuePropertyTest.class);
		addTest(JavaBeanObservableArrayBasedListTest.suite());
		addTest(JavaBeanObservableArrayBasedSetTest.suite());
		addTest(JavaBeanObservableListTest.suite());

		addTest(JavaBeanObservableSetTest.suite());
		addTest(JavaBeanObservableValueTest.suite());
		addTestSuite(JavaBeanPropertyObservableMapTest.class);
		addTestSuite(BeanPropertyListenerSupportTest.class);

		// org.eclipse.core.tests.internal.databinding.observable
		addTest(ConstantObservableValueTest.suite());
		addTest(DelayedObservableValueTest.suite());
		addTest(EmptyObservableListTest.suite());

		addTest(ValidatedObservableValueTest.suite());
		addTest(ValidatedObservableListTest.suite());
		addTest(ValidatedObservableSetTest.suite());
		// addTest(ValidatedObservableMapTest.suite());

		// org.eclipse.core.tests.internal.databinding.observable.masterdetail
		addTest(DetailObservableListTest.suite());
		addTest(DetailObservableSetTest.suite());

		addTest(BindingScenariosTestSuite.suite());
		// The files in this package are in the above test suite

		// org.eclipse.jface.tests.databinding.swt
		addTestSuite(SWTObservablesTest.class);

		// org.eclipse.jface.tests.databinding.viewers
		addTestSuite(ObservableListTreeContentProviderTest.class);
		addTestSuite(ObservableMapLabelProviderTest.class);
		addTestSuite(ObservableSetContentProviderTest.class);
		addTestSuite(ObservableSetTreeContentProviderTest.class);
		addTestSuite(ViewersObservablesTest.class);

		// org.eclipse.jface.tests.databinding.wizard
		addTestSuite(WizardPageSupportTest.class);

		// org.eclipse.jface.tests.example.databinding.mask.internal
		addTestSuite(EditMaskLexerAndTokenTest.class);
		addTestSuite(EditMaskParserTest.class);

		// org.eclipse.jface.tests.internal.databinding.internal.swt
		addTest(ButtonObservableValueTest.suite());
		addTestSuite(CComboObservableValueTest.class);
		addTest(CComboObservableValueSelectionTest.suite());

		addTest(ComboObservableValueTextTest.suite());
		addTestSuite(ComboSingleSelectionObservableValueTest.class);
		addTest(SWTDelayedObservableValueDecoratorTest.suite());

		addTest(SWTObservableListTest.suite());
		
		addTestSuite(ControlObservableValueTest.class);
		addTest(LabelObservableValueTest.suite());
		addTestSuite(ListSingleSelectionObservableValueTest.class);
		addTest(ScaleObservableValueMinTest.suite());
		addTest(ScaleObservableValueMaxTest.suite());
		addTest(ScaleObservableValueSelectionTest.suite());

		addTest(ShellObservableValueTest.suite());

		addTestSuite(SpinnerObservableValueTest.class);
		addTest(SpinnerObservableValueMinTest.suite());
		addTest(SpinnerObservableValueMaxTest.suite());
		addTest(SpinnerObservableValueSelectionTest.suite());

		addTestSuite(TableObservableValueTest.class);
		addTest(TableSingleSelectionObservableValueTest.suite());
		addTest(TextEditableObservableValueTest.suite());
		addTest(TextObservableValueFocusOutTest.suite());
		addTest(TextObservableValueModifyTest.suite());
		addTestSuite(TextObservableValueTest.class);
		addTest(StyledTextObservableValueFocusOutTest.suite());
		addTest(StyledTextObservableValueModifyTest.suite());
		addTestSuite(StyledTextObservableValueTest.class);

		// org.eclipse.jface.tests.internal.databinding.internal.viewers
		addTest(ObservableViewerElementSetTest.suite());
		addTestSuite(ObservableCollectionTreeContentProviderTest.class);
		addTestSuite(SelectionProviderMultiSelectionObservableListTest.class);




 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Matthew Hall - bug 194734
 *******************************************************************************/

package org.eclipse.core.tests.databinding.beans;

import org.eclipse.core.databinding.beans.IBeanObservable;
import org.eclipse.core.databinding.beans.PojoObservables;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.list.IObservableList;

import org.eclipse.core.databinding.observable.set.IObservableSet;
import org.eclipse.core.databinding.observable.set.WritableSet;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableList;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableMap;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableSet;
import org.eclipse.core.internal.databinding.beans.JavaBeanObservableValue;
import org.eclipse.core.tests.internal.databinding.beans.Bean;
import org.eclipse.jface.databinding.conformance.util.ChangeEventTracker;
import org.eclipse.jface.databinding.conformance.util.CurrentRealm;

		propertyName = "value";
	}

	public void testObserveValue_ReturnsIBeanObservable()
			throws Exception {
		IObservableValue value = PojoObservables.observeValue(pojo, propertyName);

		assertNotNull(value);
		assertTrue(value instanceof IBeanObservable);
	}

	public void testObserveValue_DoesNotAttachListeners() throws Exception {

		assertFalse(pojo.hasListeners(propertyName));
	}

	public void testObservableValueWithRealm_ReturnsIBeanObservable()
			throws Exception {
		CurrentRealm realm = new CurrentRealm(true);
		IObservableValue value = PojoObservables.observeValue(realm, pojo,
				propertyName);

		assertNotNull(value);
		assertTrue(value instanceof IBeanObservable);
	}

	public void testObservableMap_ReturnsIBeanObservable()
			throws Exception {
		IObservableSet set = new WritableSet();
		set.add(new Bean());

		IObservableMap map = PojoObservables.observeMap(set, Bean.class,
				propertyName);
		assertNotNull(map);
		assertTrue(map instanceof IBeanObservable);
	}
	
	public void testObservableMap_DoesNotAttachListeners() throws Exception {

		assertEquals(2, maps.length);
	}
	
	public void testObserveListWithElementType_ReturnsIBeanObservable() throws Exception {
		IObservableList list = PojoObservables.observeList(Realm.getDefault(), pojo, "list", String.class);
		assertTrue(list instanceof IBeanObservable);
	}
	
	public void testObserveListWithElementType_DoesNotAttachListeners() throws Exception {

		assertFalse(pojo.hasListeners("list"));
	}
	
	public void testObserveList_ReturnsIBeanObservable() throws Exception {
		IObservableList observable = PojoObservables.observeList(Realm.getDefault(), pojo, "list");
		assertTrue(observable instanceof IBeanObservable);
	}
	
	public void testObserveList_DoesNotAttachListeners() throws Exception {

		assertFalse(pojo.hasListeners("list"));
	}
	
	public void testObserveSetWithElementType_ReturnsIBeanObservable() throws Exception {
		IObservableSet list = PojoObservables.observeSet(Realm.getDefault(), pojo, "set", String.class);
		assertTrue(list instanceof IBeanObservable);
	}
	
	public void testObserveSetWithElementType_DoesNotAttachListeners() throws Exception {

		assertFalse(pojo.hasListeners("set"));
	}
	
	public void testObserveSet_ReturnsIBeanObservable() throws Exception {
		IObservableSet list = PojoObservables.observeSet(Realm.getDefault(), pojo, "set");
		assertTrue(list instanceof IBeanObservable);
	}
	
	public void testObserveSet_DoesNotAttachListeners() throws Exception {




 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 206839)
 *     Matthew Hall - bug 194734
 ******************************************************************************/

package org.eclipse.jface.tests.databinding.viewers;

import org.eclipse.core.databinding.observable.IDecoratingObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.property.IPropertyObservable;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.databinding.viewers.IViewerObservableValue;
import org.eclipse.jface.databinding.viewers.ViewersObservables;
import org.eclipse.jface.internal.databinding.viewers.ViewerInputProperty;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;

	}

	public void testObserveInput_InstanceOfViewerInputObservableValue() {
		IViewerObservableValue observable = (IViewerObservableValue) ViewersObservables
				.observeInput(viewer);
		assertTrue(observable.getViewer() == viewer);
		IPropertyObservable propertyObservable = (IPropertyObservable) ((IDecoratingObservable) observable)
				.getDecorated();
		assertTrue(propertyObservable.getProperty() instanceof ViewerInputProperty);
	}
}




 *
 * Contributors:
 *    Matthew Hall - initial API and implementation (bug 206839)
 *     Matthew Hall - bug 213145, 194734
 *******************************************************************************/
package org.eclipse.jface.tests.internal.databinding.viewers;


import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.observable.value.ValueChangeEvent;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.MutableObservableValueContractTest;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
import org.eclipse.jface.databinding.viewers.ViewerProperties;
import org.eclipse.jface.databinding.viewers.ViewersObservables;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.TableViewer;


	public void testConstructor_IllegalArgumentException() {
		try {
			ViewersObservables.observeInput(null);
			fail("Expected IllegalArgumentException for null argument");
		} catch (IllegalArgumentException expected) {
		}
	}

	public void testSetInputOnViewer_FiresChangeEventOnGetValue() {
		IObservableValue observable = ViewersObservables.observeInput(viewer);
		ValueChangeEventTracker listener = ValueChangeEventTracker
				.observe(observable);

		assertNull(viewer.getInput());
		assertEquals(0, listener.count);

		viewer.setInput(model);

		assertEquals(model, viewer.getInput());
		assertEquals(0, listener.count);

		// Call to getValue() causes observable to discover change
		assertEquals(model, observable.getValue());
		assertEquals(1, listener.count);

		viewer.setInput(null);
		assertEquals(null, viewer.getInput());

		assertEquals(null, observable.getValue());
		assertEquals(2, listener.count);
	}

	public void testGetSetValue_FiresChangeEvents() {
		IObservableValue observable = ViewersObservables.observeInput(viewer);
				.getDefault(), viewer);
		ValueChangeEventTracker listener = new ValueChangeEventTracker();
		observable.addValueChangeListener(listener);


	}

	public void testGetValueType_AlwaysNull() throws Exception {
		IObservableValue observable = ViewersObservables.observeInput(viewer);
				.getDefault(), viewer);
		assertEquals(null, observable.getValueType());
	}

	public void testDispose() throws Exception {
		IObservableValue observable = ViewersObservables.observeInput(viewer);
				.getDefault(), viewer);
		observable.dispose();
		assertNull(observable.getRealm());
		try {

		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, viewer,
					ViewerProperties.input());
		}

		public void change(IObservable observable) {




 * Contributors:
 *    Brad Reynolds - initial API and implementation
 *     Brad Reynolds - bug 116920
 *     Matthew Hall - bug 194734
 *******************************************************************************/
package org.eclipse.jface.tests.internal.databinding.viewers;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import junit.framework.TestCase;

import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.list.ListDiff;
import org.eclipse.jface.databinding.conformance.util.ListChangeEventTracker;
import org.eclipse.jface.databinding.viewers.ViewersObservables;
import org.eclipse.jface.internal.databinding.viewers.SelectionProviderMultipleSelectionObservableList;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;

import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

/**


	private TableViewer viewer;

	private static String[] model = new String[] { "element0", "element1",
			"element2", "element3" };

	protected void setUp() throws Exception {
		Shell shell = new Shell();


	public void testConstructorIllegalArgumentException() {
		try {
			ViewersObservables.observeMultiSelection(null);
					.getRealm(Display.getDefault()), null, Object.class);
			fail();
		} catch (IllegalArgumentException e) {
		}

	 * </ul>
	 */
	public void testAddRemove() {
		IObservableList observable = ViewersObservables
				.observeMultiSelection(selectionProvider);
				selectionProvider, Object.class);
		ListChangeEventTracker listener = new ListChangeEventTracker();
		observable.addListChangeListener(listener);
		assertEquals(0, observable.size());

		selectionProvider.setSelection(new StructuredSelection(model[0]));
		assertEquals(1, listener.count);
		assertDiff(listener.event.diff, Collections.EMPTY_LIST, Collections
				.singletonList(model[0]));
		assertEquals(observable, listener.event.getObservableList());
		assertEquals(1, observable.size());
		assertEquals(model[0], observable.get(0));

		selectionProvider.setSelection(new StructuredSelection(model[1]));
		assertEquals(2, listener.count);
		assertEquals(2, listener.event.diff.getDifferences().length);
		assertDiff(listener.event.diff, Collections.singletonList(model[0]),
				Collections.singletonList(model[1]));
		assertEquals(observable, listener.event.getObservableList());
		assertEquals(1, observable.size());
		assertEquals(model[1], observable.get(0));

		selectionProvider.setSelection(new StructuredSelection(new Object[] {
				model[2], model[3] }));
		assertEquals(3, listener.count);
		assertEquals(3, listener.event.diff.getDifferences().length);
		assertDiff(listener.event.diff, Collections.singletonList(model[1]),
				Arrays.asList(new Object[] { model[2], model[3] }));
		assertDiffEntry(listener.event.diff.getDifferences()[2], 2, model[1], false);
		assertEquals(observable, listener.event.getObservableList());
		assertEquals(2, observable.size());
		assertEquals(model[2], observable.get(0));
		assertEquals(model[3], observable.get(1));

		selectionProvider.setSelection(StructuredSelection.EMPTY);
		assertEquals(4, listener.count);
		assertEquals(2, listener.event.diff.getDifferences().length);
		assertDiff(listener.event.diff, Arrays.asList(new Object[] { model[2],
				model[3] }), Collections.EMPTY_LIST);
		assertEquals(observable, listener.event.getObservableList());
		assertEquals(0, observable.size());

		observable.add(model[1]);
		assertEquals(5, listener.count);
		assertEquals(1, listener.event.diff.getDifferences().length);
		assertDiff(listener.event.diff, Collections.EMPTY_LIST, Collections
				.singletonList(model[1]));
		assertEquals(observable, listener.event.getObservableList());
		assertEquals(1, ((IStructuredSelection) viewer.getSelection()).size());

		observable.add(0, model[2]);
		assertEquals(6, listener.count);
		assertEquals(1, listener.event.diff.getDifferences().length);
		// This is a bit surprising (we added at index 0 but the event says
		// index 1).
		// It is to the fact that the observable list tracks the underlying
		// selection
		// provider's notion of which element is at which index.
		assertDiff(listener.event.diff, Collections.singletonList(model[1]),
				Arrays.asList(new Object[] { model[1], model[2] }));
		assertEquals(observable, listener.event.getObservableList());
		assertEquals(2, ((IStructuredSelection) viewer.getSelection()).size());

		observable.clear();
		assertEquals(7, listener.count);
		assertEquals(2, listener.event.diff.getDifferences().length);
		assertDiff(listener.event.diff, Arrays.asList(new Object[] { model[1],
				model[2] }), Collections.EMPTY_LIST);
		assertEquals(observable, listener.event.getObservableList());
		assertEquals(0, ((IStructuredSelection) viewer.getSelection()).size());
	}

	private void assertDiff(ListDiff diff, List oldList, List newList) {
		// defensive copy in case arg is unmodifiable
		oldList = new ArrayList(oldList);
		diff.applyTo(oldList);
		assertEquals("applying diff to list did not produce expected result",
				newList, oldList);
	private void assertDiffEntry(ListDiffEntry diffEntry, int position,
			String element, boolean isAddition) {
		assertEquals(isAddition, diffEntry.isAddition());
		assertEquals(position, diffEntry.getPosition());
		assertEquals(element, diffEntry.getElement());
	}

	private class ContentProvider implements IStructuredContentProvider {




 *    Brad Reynolds - initial API and implementation
 *    Brad Reynolds - bug 116920
 *    Ashley Cambrell - bug 198906
 *    Matthew Hall - bug 194734
 *******************************************************************************/
package org.eclipse.jface.tests.internal.databinding.viewers;

import junit.framework.TestCase;

import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
import org.eclipse.jface.databinding.viewers.ViewersObservables;
import org.eclipse.jface.internal.databinding.viewers.SelectionProviderSingleSelectionObservableValue;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

/**


	public void testConstructorIllegalArgumentException() {
		try {
			ViewersObservables.observeSingleSelection(null);
					.getRealm(Display.getDefault()), null);
			fail();
		} catch (IllegalArgumentException e) {
		}

	 * </ul>
	 */
	public void testGetSetValue() {
		IObservableValue observable = ViewersObservables
				.observeSingleSelection(selectionProvider);
				selectionProvider);
		ValueChangeEventTracker listener = new ValueChangeEventTracker();
		observable.addValueChangeListener(listener);
		assertNull(observable.getValue());

	}

	public void testDispose() throws Exception {
		IObservableValue observable = ViewersObservables
				.observeSingleSelection(selectionProvider);
				selectionProvider);
		ValueChangeEventTracker listener = new ValueChangeEventTracker();
		observable.addValueChangeListener(listener);





/*******************************************************************************
 * Copyright (c) 2008 Code 9 Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Code 9 Corporation - initial API and implementation
 *     Chris Aniszczyk <zx@code9.com> - bug 131435
 *     Matthew Hall - bug 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.StyledTextProperties;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.widgets.Shell;

/**
 * Tests for the FocusOut version of StyledTextObservableValue.
 */
public class StyledTextObservableValueFocusOutTest extends TestCase {
	public static Test suite() {
		TestSuite suite = new TestSuite(
				StyledTextObservableValueFocusOutTest.class.toString());
		suite.addTest(SWTMutableObservableValueContractTest
				.suite(new Delegate()));
		return suite;
	}

	/* package */static class Delegate extends
			AbstractObservableValueContractDelegate {
		private Shell shell;

		private StyledText text;

		public void setUp() {
			shell = new Shell();
			text = new StyledText(shell, SWT.NONE);
		}

		public void tearDown() {
			shell.dispose();
		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, text,
					StyledTextProperties.text(SWT.FocusOut));
		}

		public Object getValueType(IObservableValue observable) {
			return String.class;
		}

		public void change(IObservable observable) {
			text.setFocus();

			IObservableValue observableValue = (IObservableValue) observable;
			text.setText((String) createValue(observableValue));

			text.notifyListeners(SWT.FocusOut, null);
		}

		public Object createValue(IObservableValue observable) {
			String value = (String) observable.getValue();
			return value + "a";
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Code 9 Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Code 9 Corporation - initial API and implementation
 *     Chris Aniszczyk <zx@code9.com> - bug 131435
 *     Matthew Hall - bug 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.internal.databinding.swt.StyledTextTextProperty;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.widgets.Shell;

/**
 * Tests to assert the inputs of the StyledTextObservableValue constructor.
 */
public class StyledTextObservableValueTest extends AbstractDefaultRealmTestCase {
	private StyledText text;
	private ValueChangeEventTracker listener;

	protected void setUp() throws Exception {
		super.setUp();

		Shell shell = new Shell();
		text = new StyledText(shell, SWT.NONE);

		listener = new ValueChangeEventTracker();
	}

	/**
	 * Asserts that only valid SWT event types are accepted on construction of
	 * StyledTextObservableValue.
	 */
	public void testConstructorUpdateEventTypes() {
		try {
			new StyledTextTextProperty(SWT.NONE);
			new StyledTextTextProperty(SWT.FocusOut);
			new StyledTextTextProperty(SWT.Modify);
			assertTrue(true);
		} catch (IllegalArgumentException e) {
			fail();
		}

		try {
			new StyledTextTextProperty(SWT.Verify);
			fail();
		} catch (IllegalArgumentException e) {
			assertTrue(true);
		}
	}

	/**
	 * s
	 * 
	 * @throws Exception
	 */
	public void testGetValueBeforeFocusOutChangeEventsFire() throws Exception {
		IObservableValue observableValue = SWTObservables.observeText(text,
				SWT.FocusOut);
		observableValue.addValueChangeListener(listener);

		String a = "a";
		String b = "b";

		text.setText(a);
		
		// fetching the value updates the buffered value
		assertEquals(a, observableValue.getValue()); 
		assertEquals(1, listener.count);

		text.setText(b);

		text.notifyListeners(SWT.FocusOut, null);

		assertEquals(2, listener.count);
		assertEquals(a, listener.event.diff.getOldValue());
		assertEquals(b, listener.event.diff.getNewValue());
	}

	public void testDispose() throws Exception {
		IObservableValue observableValue = SWTObservables.observeText(text,
				SWT.Modify);
		ValueChangeEventTracker testCounterValueChangeListener = new ValueChangeEventTracker();
		observableValue.addValueChangeListener(testCounterValueChangeListener);

		String expected1 = "Test123";
		text.setText(expected1);

		assertEquals(1, testCounterValueChangeListener.count);
		assertEquals(expected1, text.getText());
		assertEquals(expected1, observableValue.getValue());

		observableValue.dispose();

		String expected2 = "NewValue123";
		text.setText(expected2);

		assertEquals(1, testCounterValueChangeListener.count);
		assertEquals(expected2, text.getText());
	}
}




/*******************************************************************************
 * Copyright (c) 2008 Matthew Hall and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Matthew Hall - initial API and implementation (bug 194734)
 ******************************************************************************/

package org.eclipse.core.tests.databinding.property;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import junit.framework.TestCase;

import org.eclipse.core.databinding.property.IPropertyChangeListener;
import org.eclipse.core.databinding.property.IPropertyListenerHook;
import org.eclipse.core.databinding.property.Property;
import org.eclipse.core.databinding.property.PropertyChangeEvent;

/**
 * @since 3.2
 * 
 */
public class PropertyTest extends TestCase {
	private Source source;
	private SourceProperty property;
	private ChangeListener listener;

	protected void setUp() throws Exception {
		source = new Source();
		property = new SourceProperty();
		listener = new ChangeListener();
	}

	public void testAddListenerTo() {
		assertFalse(source.hasListeners());
		property.hookListener(source, listener);
		assertTrue(source.hasListeners());

		assertEquals(0, listener.count);

		source.change();

		assertEquals(1, listener.count);
		assertEquals(new ChangeEvent(source, "Version 1"), listener.event);
	}

	public void testAddListenerTo_MultipleListeners() {
		assertFalse(source.hasListeners());

		IPropertyListenerHook hook1 = property.hookListener(source, listener);

		assertTrue(source.hasListeners());

		ChangeListener listener2 = new ChangeListener();
		IPropertyListenerHook hook2 = property.hookListener(source, listener2);

		assertTrue(source.hasListeners());

		hook1.dispose();

		assertTrue(source.hasListeners());

		hook2.dispose();

		assertFalse(source.hasListeners());
	}

	public void testRemoveListenerFrom() {
		IPropertyListenerHook hook = property.hookListener(source, listener);
		assertTrue(source.hasListeners());
		hook.dispose();
		assertFalse(source.hasListeners());

		source.change();

		assertEquals(0, listener.count);
	}

	static class Source {
		private int version = 0;

		private List listeners = new ArrayList();

		void change() {
			++version;
			for (Iterator it = listeners.iterator(); it.hasNext();) {
				ISourceListener listener = (ISourceListener) it.next();
				listener.notify(this, "Version " + version);
			}
		}

		boolean hasListeners() {
			return !listeners.isEmpty();
		}
	}

	interface ISourceListener {
		void notify(Object source, String message);
	}

	static class SourceProperty extends Property {
		protected void addListenerTo(Object source) {
		}

		protected void removeListenerFrom(Object source) {
		}

		void change(Object source) {
			((Source) source).change();
		}

		IPropertyListenerHook hookListener(Object source,
				IChangeListener listener) {
			return new PropertyListenerHook(source, listener);
		}

		private class PropertyListenerHook extends
				org.eclipse.core.databinding.property.PropertyListenerHook
				implements ISourceListener {
			private PropertyListenerHook(Object source, IChangeListener listener) {
				super(source, SourceProperty.this, listener);
			}

			protected void hookListener() {
				((Source) getSource()).listeners.add(this);
			}

			protected void unhookListener() {
				((Source) getSource()).listeners.remove(this);
			}

			public void notify(Object source, String message) {
				((IChangeListener) getListener())
						.handlePropertyStubChange(new ChangeEvent(source,
								message));
			}
		}
	}

	static interface IChangeListener extends IPropertyChangeListener {
		void handlePropertyStubChange(ChangeEvent event);
	}

	static class ChangeListener implements IChangeListener {
		int count = 0;
		ChangeEvent event;

		public void handlePropertyStubChange(ChangeEvent event) {
			count++;
			this.event = event;
		}
	}

	static class ChangeEvent extends PropertyChangeEvent {
		private static final long serialVersionUID = 1L;

		final String message;

		ChangeEvent(Object source, String message) {
			super(source);
			this.message = message;
		}

		protected void dispatch(IPropertyChangeListener listener) {
			((IChangeListener) listener).handlePropertyStubChange(this);
		}

		public boolean equals(Object obj) {
			if (obj == this)
				return true;
			if (!super.equals(obj))
				return false;

			ChangeEvent that = (ChangeEvent) obj;
			return message.equals(that.message);
		}

		public int hashCode() {
			int hash = super.hashCode();
			hash = hash * 37 + message.hashCode();
			return hash;
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 ******************************************************************************/

package org.eclipse.core.tests.internal.databinding.beans;

import org.eclipse.core.databinding.beans.BeanProperties;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;
import org.eclipse.core.tests.internal.databinding.beans.BeanPropertyListenerSupportTest.GenericListenerBean;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;

/**
 * @since 3.2
 * 
 */
public class BeanValuePropertyTest extends AbstractDefaultRealmTestCase {
	public void testChangeListenerIsOnlyNotifiedWhenWatchedPropertyChanges()
			throws Exception {
		GenericListenerBean bean = new GenericListenerBean();
		IValueProperty property = BeanProperties.valueProperty(
				GenericListenerBean.class, "value");
		class Listener implements IValuePropertyChangeListener {
			private int count = 0;

			public void handleValuePropertyChange(ValuePropertyChangeEvent event) {
				count++;
			}
		}
		Listener listener = new Listener();
		property.hookListener(bean, listener);

		assertEquals(0, listener.count);
		bean.setValue("1");
		assertEquals(1, listener.count);

		bean.setOther("2");
		assertEquals(1, listener.count);
	}

}




/*******************************************************************************
 * Copyright (c) 2008 Code 9 Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Code 9 Corporation - initial API and implementation
 *     Chris Aniszczyk <zx@code9.com> - bug 131435
 *     Matthew Hall - bug 194734
 *******************************************************************************/

package org.eclipse.jface.tests.internal.databinding.swt;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.PropertyObservables;
import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
import org.eclipse.jface.databinding.swt.StyledTextProperties;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.widgets.Shell;

/**
 * Tests for the Modify version of StyledTextObservableValue.
 */
public class StyledTextObservableValueModifyTest extends TestCase {
	public static Test suite() {
		TestSuite suite = new TestSuite(
				StyledTextObservableValueModifyTest.class.toString());
		suite.addTest(SWTMutableObservableValueContractTest
				.suite(new Delegate()));
		return suite;
	}

	/* package */static class Delegate extends
			AbstractObservableValueContractDelegate {
		private Shell shell;

		private StyledText text;

		public void setUp() {
			shell = new Shell();
			text = new StyledText(shell, SWT.NONE);
		}

		public void tearDown() {
			shell.dispose();
		}

		public IObservableValue createObservableValue(Realm realm) {
			return PropertyObservables.observeValue(realm, text,
					StyledTextProperties.text(SWT.Modify));
		}

		public Object getValueType(IObservableValue observable) {
			return String.class;
		}

		public void change(IObservable observable) {
			text.setFocus();

			IObservableValue observableValue = (IObservableValue) observable;
			text.setText((String) createValue(observableValue));
		}

		public Object createValue(IObservableValue observable) {
			String value = (String) observable.getValue();
			return value + "a";
		}
	}
}




/*******************************************************************************
 * Copyright (c) 2007, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.core.tests.internal.databinding.beans;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;

import org.eclipse.core.databinding.util.ILogger;
import org.eclipse.core.databinding.util.Policy;
import org.eclipse.core.internal.databinding.beans.BeanPropertyListenerSupport;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;

/**
 * @since 1.1
 */
public class BeanPropertyListenerSupportTest extends
		AbstractDefaultRealmTestCase {
	private PropertyChangeListenerStub listener;
	private String propertyName;

	protected void setUp() throws Exception {
		super.setUp();

		listener = new PropertyChangeListenerStub();
		propertyName = "value";
	}

	public void testAddPropertyChangeListenerWithPropertyName()
			throws Exception {
		SpecificListenerBean bean = new SpecificListenerBean();

		assertFalse(bean.changeSupport.hasListeners(propertyName));

		BeanPropertyListenerSupport.hookListener(bean, propertyName, listener);
		assertTrue("has listeners", bean.changeSupport
				.hasListeners(propertyName));
	}

	public void testAddPropertyChangeListenerWithoutPropertyName()
			throws Exception {
		GenericListenerBean bean = new GenericListenerBean();

		assertFalse(bean.changeSupport.hasListeners(propertyName));

		BeanPropertyListenerSupport.hookListener(bean, propertyName, listener);
		assertTrue("has listeners", bean.changeSupport
				.hasListeners(propertyName));
	}

	public void testLogStatusWhenAddPropertyChangeListenerMethodIsNotFound()
			throws Exception {
		class BeanStub {
		}

		class Log implements ILogger {
			int count;
			IStatus status;

			public void log(IStatus status) {
				count++;
				this.status = status;
			}
		}

		Log log = new Log();
		Policy.setLog(log);

		BeanStub bean = new BeanStub();

		assertEquals(0, log.count);
		BeanPropertyListenerSupport.hookListener(bean, "value", listener);
		assertEquals(1, log.count);
		assertEquals(IStatus.WARNING, log.status.getSeverity());
	}

	public void testRemovePropertyChangeListenerWithPropertyName()
			throws Exception {
		SpecificListenerBean bean = new SpecificListenerBean();
		BeanPropertyListenerSupport.hookListener(bean, propertyName, listener);

		assertTrue(bean.changeSupport.hasListeners(propertyName));

		BeanPropertyListenerSupport
				.unhookListener(bean, propertyName, listener);
		assertFalse("has listeners", bean.changeSupport
				.hasListeners(propertyName));
	}

	public void testRemovePropertyChangeListenerWithoutPropertyName()
			throws Exception {
		GenericListenerBean bean = new GenericListenerBean();
		BeanPropertyListenerSupport.hookListener(bean, propertyName, listener);

		assertTrue(bean.changeSupport.hasListeners(propertyName));

		BeanPropertyListenerSupport
				.unhookListener(bean, propertyName, listener);
		assertFalse("has listeners", bean.changeSupport
				.hasListeners(propertyName));
	}

	public void testLogStatusWhenRemovePropertyChangeListenerMethodIsNotFound()
			throws Exception {
		class InvalidBean {
		}

		class Log implements ILogger {
			int count;
			IStatus status;

			public void log(IStatus status) {
				count++;
				this.status = status;
			}
		}

		Log log = new Log();
		Policy.setLog(log);

		InvalidBean bean = new InvalidBean();

		BeanPropertyListenerSupport.hookListener(bean, "value", listener);
		log.count = 0;
		log.status = null;
		assertEquals(0, log.count);
		BeanPropertyListenerSupport.unhookListener(bean, "value", listener);
		assertEquals(1, log.count);
		assertEquals(IStatus.WARNING, log.status.getSeverity());
	}

	static class GenericListenerBean {
		private String other;
		PropertyChangeSupport changeSupport = new PropertyChangeSupport(this);
		private String value;

		public String getValue() {
			return value;
		}

		public void setValue(String value) {
			changeSupport.firePropertyChange("value", this.value,
					this.value = value);
		}

		public String getOther() {
			return other;
		}

		public void setOther(String other) {
			changeSupport.firePropertyChange("other", this.other,
					this.other = other);
		}

		public void addPropertyChangeListener(PropertyChangeListener listener) {
			changeSupport.addPropertyChangeListener(listener);
		}

		public void removePropertyChangeListener(PropertyChangeListener listener) {
			changeSupport.removePropertyChangeListener(listener);
		}
	}

	static class SpecificListenerBean {
		PropertyChangeSupport changeSupport = new PropertyChangeSupport(this);
		String propertyName;
		String value;

		public void addPropertyChangeListener(String name,
				PropertyChangeListener listener) {
			this.propertyName = name;
			changeSupport.addPropertyChangeListener(name, listener);
		}

		public void removePropertyChangeListener(String name,
				PropertyChangeListener listener) {
			changeSupport.removePropertyChangeListener(name, listener);
		}

		public String getValue() {
			return value;
		}

		public void setValue(String value) {
			this.value = value;
		}
	}

	static class PropertyChangeListenerStub implements PropertyChangeListener {
		PropertyChangeEvent event;
		int count;

		public void propertyChange(PropertyChangeEvent evt) {
			count++;
			this.event = evt;
		}
	}
}

Return to bug 194734

Removed Link Here

(-)src/org/eclipse/jface/internal/databinding/swt/ListObservableValue.java (-109 lines)
1	/*******************************************************************************
2	* Copyright (c) 2005, 2008 IBM Corporation and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* IBM Corporation - initial API and implementation
10	* Brad Reynolds - bug 164653
11	* Ashley Cambrell - bug 198904
12	*******************************************************************************/
13	package org.eclipse.jface.internal.databinding.swt;
14
15	import org.eclipse.core.databinding.observable.Diffs;
16	import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
17	import org.eclipse.swt.SWT;
18	import org.eclipse.swt.widgets.Event;
19	import org.eclipse.swt.widgets.List;
20	import org.eclipse.swt.widgets.Listener;
21
22	/**
23	* @since 3.2
24	*
25	*/
26	public class ListObservableValue extends AbstractSWTObservableValue {
27
28	private final List list;
29
30	private boolean updating = false;
31
32	private String currentValue;
33
34	private Listener listener;
35
36	/**
37	* @param list
38	*/
39	public ListObservableValue(List list) {
40	super(list);
41	this.list = list;
42	this.currentValue = (String) doGetValue();
43
44	if ((list.getStyle() & SWT.MULTI) > 0)
45	throw new IllegalArgumentException(
46	"SWT.SINGLE support only for a List selection"); //$NON-NLS-1$
47
48	listener = new Listener() {
49
50	public void handleEvent(Event event) {
51	if (!updating) {
52	Object oldValue = currentValue;
53	currentValue = (String) doGetValue();
54	fireValueChange(Diffs.createValueDiff(oldValue,
55	currentValue));
56	}
57	}
58
59	};
60	list.addListener(SWT.Selection, listener);
61	}
62
63	public void doSetValue(Object value) {
64	String oldValue = null;
65	if (list.getSelection() != null && list.getSelection().length > 0)
66	oldValue = list.getSelection()[0];
67	try {
68	updating = true;
69	String items[] = list.getItems();
70	int index = -1;
71	if (items != null && value != null) {
72	for (int i = 0; i < items.length; i++) {
73	if (value.equals(items[i])) {
74	index = i;
75	break;
76	}
77	}
78	list.select(index); // -1 will not "unselect"
79	}
80	currentValue = (String) value;
81	} finally {
82	updating = false;
83	}
84	fireValueChange(Diffs.createValueDiff(oldValue, value));
85	}
86
87	public Object doGetValue() {
88	int index = list.getSelectionIndex();
89	if (index >= 0)
90	return list.getItem(index);
91	return null;
92	}
93
94	public Object getValueType() {
95	return String.class;
96	}
97
98	/*
99	* (non-Javadoc)
100	*
101	* @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose()
102	*/
103	public synchronized void dispose() {
104	super.dispose();
105	if (listener != null && !list.isDisposed()) {
106	list.removeListener(SWT.Selection, listener);
107	}
108	}
109	}

Removed Link Here

(-)src/org/eclipse/jface/internal/databinding/swt/ShellObservableValue.java (-74 lines)
1	/*******************************************************************************
2	* Copyright (c) 2007 Matthew Hall and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* Matthew Hall - initial API and implementation (bug 207844)
10	* IBM Corporation - initial API and implementation
11	* Brad Reynolds - initial API and implementation
12	* Matthew Hall - bug 212235
13	*******************************************************************************/
14	package org.eclipse.jface.internal.databinding.swt;
15
16	import org.eclipse.core.databinding.observable.Diffs;
17	import org.eclipse.core.databinding.observable.Realm;
18	import org.eclipse.core.databinding.observable.value.IObservableValue;
19	import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
20	import org.eclipse.swt.widgets.Shell;
21
22	/**
23	* An {@link IObservableValue} that tracks the text of a Shell.
24	*
25	* @since 1.2
26	*/
27	public class ShellObservableValue extends AbstractSWTObservableValue {
28
29	private final Shell shell;
30
31	/**
32	* Constructs a ShellObservableValue which tracks the text of the given
33	* Shell.
34	*
35	* @param shell
36	* the shell to track
37	*/
38	public ShellObservableValue(Shell shell) {
39	super(shell);
40	this.shell = shell;
41	}
42
43	/**
44	* Constructs a ShellObservableValue belonging to the given realm, which
45	* tracks the text of the given shell.
46	*
47	* @param realm
48	* the realm of the constructed observable
49	* @param shell
50	* the shell to track
51	*/
52	public ShellObservableValue(Realm realm, Shell shell) {
53	super(realm, shell);
54	this.shell = shell;
55	}
56
57	protected void doSetValue(final Object value) {
58	String oldValue = shell.getText();
59	String newValue = value == null ? "" : value.toString(); //$NON-NLS-1$
60	shell.setText(newValue);
61
62	if (!newValue.equals(oldValue)) {
63	fireValueChange(Diffs.createValueDiff(oldValue, newValue));
64	}
65	}
66
67	protected Object doGetValue() {
68	return shell.getText();
69	}
70
71	public Object getValueType() {
72	return String.class;
73	}
74	}

Removed Link Here

(-)src/org/eclipse/jface/internal/databinding/swt/TextEditableObservableValue.java (-75 lines)
1	/*******************************************************************************
2	* Copyright (c) 2007, 2008 IBM Corporation and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* IBM Corporation - initial API and implementation
10	*******************************************************************************/
11
12	package org.eclipse.jface.internal.databinding.swt;
13
14	import org.eclipse.core.databinding.observable.Diffs;
15	import org.eclipse.core.databinding.observable.Realm;
16	import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
17	import org.eclipse.swt.widgets.Text;
18
19	/**
20	* Observable value for the editable property of a Text.
21	*
22	* @since 1.1
23	*/
24	public class TextEditableObservableValue extends AbstractSWTObservableValue {
25	private Text text;
26
27	/**
28	* @param text
29	*/
30	public TextEditableObservableValue(Text text) {
31	super(text);
32	this.text = text;
33	}
34
35	/**
36	* @param realm
37	* @param text
38	*/
39	public TextEditableObservableValue(Realm realm, Text text) {
40	super(realm, text);
41	this.text = text;
42	}
43
44	/* (non-Javadoc)
45	* @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#doGetValue()
46	*/
47	protected Object doGetValue() {
48	return (text.getEditable()) ? Boolean.TRUE : Boolean.FALSE;
49	}
50
51	/* (non-Javadoc)
52	* @see org.eclipse.core.databinding.observable.value.IObservableValue#getValueType()
53	*/
54	public Object getValueType() {
55	return Boolean.TYPE;
56	}
57
58	/* (non-Javadoc)
59	* @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#doSetValue(java.lang.Object)
60	*/
61	protected void doSetValue(Object value) {
62	if (value == null) {
63	throw new IllegalArgumentException("Parameter value was null."); //$NON-NLS-1$
64	}
65
66	Boolean oldValue = new Boolean(text.getEditable());
67	Boolean newValue = (Boolean) value;
68
69	text.setEditable(newValue.booleanValue());
70
71	if (!oldValue.equals(newValue)) {
72	fireValueChange(Diffs.createValueDiff(oldValue, newValue));
73	}
74	}
75	}

Lines 7-32 Link Here

(-)src/org/eclipse/jface/databinding/viewers/ViewersObservables.java (-41 / +91 lines)
7	*	7	*
8	* Contributors:	8	* Contributors:
9	* IBM Corporation - initial API and implementation	9	* IBM Corporation - initial API and implementation
10	* Matthew Hall - bug 206839, 124684, 239302, 245647	10	* Matthew Hall - bug 206839, 124684, 239302, 245647, 194734
11	*******************************************************************************/	11	*******************************************************************************/
12		12
13	package org.eclipse.jface.databinding.viewers;	13	package org.eclipse.jface.databinding.viewers;
14		14
15	import org.eclipse.core.databinding.observable.Observables;	15	import org.eclipse.core.databinding.observable.Observables;
		16	import org.eclipse.core.databinding.observable.Realm;
16	import org.eclipse.core.databinding.observable.list.IObservableList;	17	import org.eclipse.core.databinding.observable.list.IObservableList;
17	import org.eclipse.core.databinding.observable.set.IObservableSet;	18	import org.eclipse.core.databinding.observable.set.IObservableSet;
18	import org.eclipse.core.databinding.observable.value.IObservableValue;	19	import org.eclipse.core.databinding.observable.value.IObservableValue;
		20	import org.eclipse.core.databinding.property.PropertyObservables;
		21	import org.eclipse.core.databinding.property.list.IListProperty;
		22	import org.eclipse.core.databinding.property.set.ISetProperty;
		23	import org.eclipse.core.databinding.property.value.IValueProperty;
19	import org.eclipse.jface.databinding.swt.SWTObservables;	24	import org.eclipse.jface.databinding.swt.SWTObservables;
20	import org.eclipse.jface.internal.databinding.swt.SWTDelayedObservableValueDecorator;	25	import org.eclipse.jface.internal.databinding.swt.SWTDelayedObservableValueDecorator;
21	import org.eclipse.jface.internal.databinding.viewers.CheckableCheckedElementsObservableSet;	26	import org.eclipse.jface.internal.databinding.viewers.ViewerObservableListDecorator;
22	import org.eclipse.jface.internal.databinding.viewers.CheckboxViewerCheckedElementsObservableSet;	27	import org.eclipse.jface.internal.databinding.viewers.ViewerObservableSetDecorator;
23	import org.eclipse.jface.internal.databinding.viewers.SelectionProviderMultipleSelectionObservableList;
24	import org.eclipse.jface.internal.databinding.viewers.SelectionProviderSingleSelectionObservableValue;
25	import org.eclipse.jface.internal.databinding.viewers.ViewerFiltersObservableSet;
26	import org.eclipse.jface.internal.databinding.viewers.ViewerInputObservableValue;
27	import org.eclipse.jface.internal.databinding.viewers.ViewerMultipleSelectionObservableList;
28	import org.eclipse.jface.internal.databinding.viewers.ViewerObservableValueDecorator;	28	import org.eclipse.jface.internal.databinding.viewers.ViewerObservableValueDecorator;
29	import org.eclipse.jface.internal.databinding.viewers.ViewerSingleSelectionObservableValue;
30	import org.eclipse.jface.viewers.CheckboxTableViewer;	29	import org.eclipse.jface.viewers.CheckboxTableViewer;
31	import org.eclipse.jface.viewers.CheckboxTreeViewer;	30	import org.eclipse.jface.viewers.CheckboxTreeViewer;
32	import org.eclipse.jface.viewers.ICheckable;	31	import org.eclipse.jface.viewers.ICheckable;
Lines 42-47 Link Here
42	* @since 1.1	41	* @since 1.1
43	*/	42	*/
44	public class ViewersObservables {	43	public class ViewersObservables {
		44	private static Realm getDefaultRealm() {
		45	return SWTObservables.getRealm(Display.getDefault());
		46	}
		47
		48	private static Realm getRealm(Viewer viewer) {
		49	return SWTObservables.getRealm(viewer.getControl().getDisplay());
		50	}
		51
		52	private static void checkNull(Object obj) {
		53	if (obj == null)
		54	throw new IllegalArgumentException();
		55	}
		56
		57	private static IObservableValue observeProperty(Object source,
		58	IValueProperty property) {
		59	checkNull(source);
		60	if (source instanceof Viewer) {
		61	return observeViewerProperty((Viewer) source, property);
		62	}
		63	return PropertyObservables.observeValue(getDefaultRealm(), source,
		64	property);
		65	}
		66
		67	private static IViewerObservableValue observeViewerProperty(Viewer viewer,
		68	IValueProperty property) {
		69	checkNull(viewer);
		70	return new ViewerObservableValueDecorator(PropertyObservables
		71	.observeValue(getRealm(viewer), viewer, property), viewer);
		72	}
		73
		74	private static IObservableSet observeProperty(Object source,
		75	ISetProperty property) {
		76	checkNull(source);
		77	if (source instanceof Viewer) {
		78	return observeViewerProperty((Viewer) source, property);
		79	}
		80	return PropertyObservables.observeSet(getDefaultRealm(), source,
		81	property);
		82	}
		83
		84	private static IViewerObservableSet observeViewerProperty(Viewer viewer,
		85	ISetProperty property) {
		86	checkNull(viewer);
		87	return new ViewerObservableSetDecorator(PropertyObservables.observeSet(
		88	getRealm(viewer), viewer, property), viewer);
		89	}
		90
		91	private static IObservableList observeProperty(Object source,
		92	IListProperty property) {
		93	checkNull(source);
		94	if (source instanceof Viewer) {
		95	return observeViewerProperty((Viewer) source, property);
		96	}
		97	Realm realm = getDefaultRealm();
		98	return PropertyObservables.observeList(realm, source, property);
		99	}
		100
		101	private static IViewerObservableList observeViewerProperty(Viewer viewer,
		102	IListProperty property) {
		103	checkNull(viewer);
		104	Realm realm = getRealm(viewer);
		105	return new ViewerObservableListDecorator(PropertyObservables
		106	.observeList(realm, viewer, property), viewer);
		107	}
108
45	/**	109	/**
46	* Returns an observable which delays notification of value change events	110	* Returns an observable which delays notification of value change events
47	* from <code>observable</code> until <code>delay</code> milliseconds have	111	* from <code>observable</code> until <code>delay</code> milliseconds have
Lines 85-96 Link Here
85	*/	149	*/
86	public static IObservableValue observeSingleSelection(	150	public static IObservableValue observeSingleSelection(
87	ISelectionProvider selectionProvider) {	151	ISelectionProvider selectionProvider) {
88	if (selectionProvider instanceof Viewer) {	152	return observeProperty(selectionProvider, SelectionProviderProperties
89	return observeSingleSelection((Viewer) selectionProvider);	153	.singleSelection());
90	}
91	return new SelectionProviderSingleSelectionObservableValue(
92	SWTObservables.getRealm(Display.getDefault()),
93	selectionProvider);
94	}	154	}
95		155
96	/**	156	/**
Lines 114-125 Link Here
114	*/	174	*/
115	public static IObservableList observeMultiSelection(	175	public static IObservableList observeMultiSelection(
116	ISelectionProvider selectionProvider) {	176	ISelectionProvider selectionProvider) {
117	if (selectionProvider instanceof Viewer) {	177	return observeProperty(selectionProvider, SelectionProviderProperties
118	return observeMultiSelection((Viewer) selectionProvider);	178	.multipleSelection());
119	}
120	return new SelectionProviderMultipleSelectionObservableList(
121	SWTObservables.getRealm(Display.getDefault()),
122	selectionProvider, Object.class);
123	}	179	}
124		180
125	/**	181	/**
Lines 136-144 Link Here
136	* @since 1.2	192	* @since 1.2
137	*/	193	*/
138	public static IViewerObservableValue observeSingleSelection(Viewer viewer) {	194	public static IViewerObservableValue observeSingleSelection(Viewer viewer) {
139	return new ViewerSingleSelectionObservableValue(	195	return observeViewerProperty(viewer, SelectionProviderProperties
140	SWTObservables.getRealm(Display.getDefault()),	196	.singleSelection());
141	viewer);
142	}	197	}
143		198
144	/**	199	/**
Lines 160-170 Link Here
160	*	215	*
161	* @since 1.2	216	* @since 1.2
162	*/	217	*/
163	public static IViewerObservableList observeMultiSelection(	218	public static IViewerObservableList observeMultiSelection(Viewer viewer) {
164	Viewer viewer) {	219	return observeViewerProperty(viewer, SelectionProviderProperties
165	return new ViewerMultipleSelectionObservableList(	220	.multipleSelection());
166	SWTObservables.getRealm(Display.getDefault()),
167	viewer, Object.class);
168	}	221	}
169		222
170	/**	223	/**
Lines 179-186 Link Here
179	* @since 1.2	232	* @since 1.2
180	*/	233	*/
181	public static IObservableValue observeInput(Viewer viewer) {	234	public static IObservableValue observeInput(Viewer viewer) {
182	return new ViewerInputObservableValue(SWTObservables.getRealm(viewer	235	return observeViewerProperty(viewer, ViewerProperties.input());
183	.getControl().getDisplay()), viewer);
184	}	236	}
185		237
186	/**	238	/**
Lines 205-212 Link Here
205	return observeCheckedElements((CheckboxTreeViewer) checkable,	257	return observeCheckedElements((CheckboxTreeViewer) checkable,
206	elementType);	258	elementType);
207	}	259	}
208	return new CheckableCheckedElementsObservableSet(SWTObservables	260	return observeProperty(checkable, CheckableProperties
209	.getRealm(Display.getDefault()), checkable, elementType);	261	.checkedElements(elementType));
210	}	262	}
211		263
212	/**	264	/**
Lines 224-232 Link Here
224	*/	276	*/
225	public static IViewerObservableSet observeCheckedElements(	277	public static IViewerObservableSet observeCheckedElements(
226	CheckboxTableViewer viewer, Object elementType) {	278	CheckboxTableViewer viewer, Object elementType) {
227	return new CheckboxViewerCheckedElementsObservableSet(SWTObservables	279	return observeViewerProperty(viewer, CheckboxTableViewerProperties
228	.getRealm(viewer.getControl().getDisplay()), viewer,	280	.checkedElements(elementType));
229	elementType);
230	}	281	}
231		282
232	/**	283	/**
Lines 244-252 Link Here
244	*/	295	*/
245	public static IViewerObservableSet observeCheckedElements(	296	public static IViewerObservableSet observeCheckedElements(
246	CheckboxTreeViewer viewer, Object elementType) {	297	CheckboxTreeViewer viewer, Object elementType) {
247	return new CheckboxViewerCheckedElementsObservableSet(SWTObservables	298	return observeViewerProperty(viewer, CheckboxTreeViewerProperties
248	.getRealm(viewer.getControl().getDisplay()), viewer,	299	.checkedElements(elementType));
249	elementType);
250	}	300	}
251		301
252	/**	302	/**
Lines 267-273 Link Here
267	* @since 1.3	317	* @since 1.3
268	*/	318	*/
269	public static IViewerObservableSet observeFilters(StructuredViewer viewer) {	319	public static IViewerObservableSet observeFilters(StructuredViewer viewer) {
270	return new ViewerFiltersObservableSet(SWTObservables.getRealm(viewer	320	return observeViewerProperty(viewer, StructuredViewerProperties
271	.getControl().getDisplay()), viewer);	321	.filters());
272	}	322	}
273	}	323	}

Removed Link Here

(-)src/org/eclipse/jface/internal/databinding/internal/swt/LinkObservableValue.java (-47 lines)
1	/*******************************************************************************
2	* Copyright (c) 2008 Michael Krauter, Catuno GmbH and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* Michael Krauter, Catuno GmbH - initial API and implementation (bug 180223)
10	*******************************************************************************/
11	package org.eclipse.jface.internal.databinding.internal.swt;
12
13	import org.eclipse.core.databinding.observable.Diffs;
14	import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
15	import org.eclipse.swt.widgets.Link;
16
17	/**
18	* @since 1.2
19	*
20	*/
21	public class LinkObservableValue extends AbstractSWTObservableValue {
22
23	private final Link link;
24
25	/**
26	* @param link
27	*/
28	public LinkObservableValue(Link link) {
29	super(link);
30	this.link = link;
31	}
32
33	public void doSetValue(final Object value) {
34	String oldValue = link.getText();
35	link.setText(value == null ? "" : value.toString()); //$NON-NLS-1$
36	fireValueChange(Diffs.createValueDiff(oldValue, link.getText()));
37	}
38
39	public Object doGetValue() {
40	return link.getText();
41	}
42
43	public Object getValueType() {
44	return String.class;
45	}
46
47	}

Removed Link Here

(-)src/org/eclipse/jface/internal/databinding/viewers/SelectionProviderMultipleSelectionObservableList.java (-111 lines)
1	/*******************************************************************************
2	* Copyright (c) 2007 Peter Centgraf and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* Peter Centgraf - initial API and implementation, bug 124683
10	* Boris Bokowski, IBM Corporation - initial API and implementation
11	*******************************************************************************/
12	package org.eclipse.jface.internal.databinding.viewers;
13
14	import java.util.ArrayList;
15	import java.util.Collections;
16	import java.util.List;
17
18	import org.eclipse.core.databinding.observable.Diffs;
19	import org.eclipse.core.databinding.observable.Realm;
20	import org.eclipse.core.databinding.observable.list.ListDiff;
21	import org.eclipse.core.databinding.observable.list.WritableList;
22	import org.eclipse.jface.viewers.ISelection;
23	import org.eclipse.jface.viewers.ISelectionChangedListener;
24	import org.eclipse.jface.viewers.ISelectionProvider;
25	import org.eclipse.jface.viewers.IStructuredSelection;
26	import org.eclipse.jface.viewers.SelectionChangedEvent;
27	import org.eclipse.jface.viewers.StructuredSelection;
28
29	/**
30	* Observes multiple-selection of an {@link ISelectionProvider}.
31	*
32	* @since 1.2
33	*/
34	public class SelectionProviderMultipleSelectionObservableList extends
35	WritableList {
36
37	protected ISelectionProvider selectionProvider;
38	protected boolean handlingSelection;
39	protected boolean updating;
40	protected SelectionListener selectionListener = new SelectionListener();
41
42	class SelectionListener implements ISelectionChangedListener {
43	public void selectionChanged(SelectionChangedEvent event) {
44	if (updating) {
45	return;
46	}
47	handlingSelection = true;
48	try {
49	updateWrappedList(new ArrayList(getSelectionList(event.getSelection())));
50	} finally {
51	handlingSelection = false;
52	}
53	}
54	}
55
56	/**
57	* Create a new observable list based on the current selection of the given
58	* selection provider. Assumes that the selection provider provides
59	* structured selections.
60	*
61	* @param realm
62	* @param selectionProvider
63	* @param elementType
64	*/
65	public SelectionProviderMultipleSelectionObservableList(Realm realm,
66	ISelectionProvider selectionProvider, Object elementType) {
67	super(realm, new ArrayList(getSelectionList(selectionProvider)), elementType);
68	this.selectionProvider = selectionProvider;
69	selectionProvider.addSelectionChangedListener(selectionListener);
70	}
71
72	protected void fireListChange(ListDiff diff) {
73	if (handlingSelection) {
74	super.fireListChange(diff);
75	} else {
76	// this is a bit of a hack - we are changing the diff to match the order
77	// of elements returned by the selection provider after we've set the
78	// selection.
79	updating = true;
80	try {
81	List oldList = getSelectionList(selectionProvider);
82	selectionProvider
83	.setSelection(new StructuredSelection(wrappedList));
84	wrappedList = new ArrayList(getSelectionList(selectionProvider));
85	super.fireListChange(Diffs.computeListDiff(oldList, wrappedList));
86	} finally {
87	updating = false;
88	}
89	}
90	}
91
92	protected static List getSelectionList(ISelectionProvider selectionProvider) {
93	if (selectionProvider == null) {
94	throw new IllegalArgumentException();
95	}
96	return getSelectionList(selectionProvider.getSelection());
97	}
98
99	protected static List getSelectionList(ISelection sel) {
100	if (sel instanceof IStructuredSelection) {
101	return ((IStructuredSelection) sel).toList();
102	}
103	return Collections.EMPTY_LIST;
104	}
105
106	public synchronized void dispose() {
107	selectionProvider.removeSelectionChangedListener(selectionListener);
108	selectionProvider = null;
109	super.dispose();
110	}
111	}

Removed Link Here

(-)src/org/eclipse/jface/internal/databinding/viewers/CheckboxViewerCheckedElementsObservableSet.java (-90 lines)
1	/*******************************************************************************
2	* Copyright (c) 2008 Matthew Hall and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* Matthew Hall - initial API and implementation (bug 124684)
10	******************************************************************************/
11
12	package org.eclipse.jface.internal.databinding.viewers;
13
14	import java.util.Arrays;
15	import java.util.Set;
16
17	import org.eclipse.core.databinding.observable.Realm;
18	import org.eclipse.jface.databinding.viewers.IViewerObservableSet;
19	import org.eclipse.jface.viewers.CheckboxTableViewer;
20	import org.eclipse.jface.viewers.CheckboxTreeViewer;
21	import org.eclipse.jface.viewers.StructuredViewer;
22	import org.eclipse.jface.viewers.Viewer;
23
24	/**
25	* An observable set that tracks the checked elements in a CheckboxTableViewer
26	* or CheckboxTreeViewer
27	*
28	* @since 1.2
29	*/
30	public class CheckboxViewerCheckedElementsObservableSet extends
31	CheckableCheckedElementsObservableSet implements IViewerObservableSet {
32	private StructuredViewer viewer;
33
34	/**
35	* Constructs a new instance on the given realm and checkable.
36	*
37	* @param realm
38	* the observable's realm
39	* @param viewer
40	* the CheckboxTableViewer viewer to track.
41	* @param elementType
42	* type of elements in the set
43	*/
44	public CheckboxViewerCheckedElementsObservableSet(Realm realm,
45	CheckboxTableViewer viewer, Object elementType) {
46	super(realm, viewer, elementType, createElementSet(viewer));
47	this.viewer = viewer;
48	}
49
50	/**
51	* Constructs a new instance on the given realm and checkable.
52	*
53	* @param realm
54	* the observable's realm
55	* @param viewer
56	* the CheckboxTreeViewer viewer to track.
57	* @param elementType
58	* type of elements in the set
59	*/
60	public CheckboxViewerCheckedElementsObservableSet(Realm realm,
61	CheckboxTreeViewer viewer, Object elementType) {
62	super(realm, viewer, elementType, createElementSet(viewer));
63	this.viewer = viewer;
64	}
65
66	Set createDiffSet() {
67	return ViewerElementSet.withComparer(viewer.getComparer());
68	}
69
70	private static Set createElementSet(CheckboxTableViewer viewer) {
71	Set set = ViewerElementSet.withComparer(viewer.getComparer());
72	set.addAll(Arrays.asList(viewer.getCheckedElements()));
73	return set;
74	}
75
76	private static Set createElementSet(CheckboxTreeViewer viewer) {
77	Set set = ViewerElementSet.withComparer(viewer.getComparer());
78	set.addAll(Arrays.asList(viewer.getCheckedElements()));
79	return set;
80	}
81
82	public Viewer getViewer() {
83	return viewer;
84	}
85
86	public synchronized void dispose() {
87	viewer = null;
88	super.dispose();
89	}
90	}

Removed Link Here

(-)src/org/eclipse/jface/internal/databinding/viewers/ViewerFiltersObservableSet.java (-174 lines)
1	/*******************************************************************************
2	* Copyright (c) 2005, 2008 Matthew Hall and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* Matthew Hall - initial API and implementation (bug 239302)
10	*******************************************************************************/
11
12	package org.eclipse.jface.internal.databinding.viewers;
13
14	import java.util.Arrays;
15	import java.util.Collection;
16	import java.util.Collections;
17	import java.util.HashSet;
18	import java.util.Iterator;
19	import java.util.Set;
20
21	import org.eclipse.core.databinding.observable.Diffs;
22	import org.eclipse.core.databinding.observable.Realm;
23	import org.eclipse.core.databinding.observable.set.ObservableSet;
24	import org.eclipse.jface.databinding.viewers.IViewerObservableSet;
25	import org.eclipse.jface.viewers.StructuredViewer;
26	import org.eclipse.jface.viewers.Viewer;
27	import org.eclipse.jface.viewers.ViewerFilter;
28
29	/**
30	* An observable set that tracks the filters of the given viewer. Note that this
31	* set will not track changes that are made using direct API on StructuredViewer
32	* (by calling
33	* {@link StructuredViewer#addFilter(org.eclipse.jface.viewers.ViewerFilter)
34	* addFilter()},
35	* {@link StructuredViewer#removeFilter(org.eclipse.jface.viewers.ViewerFilter)
36	* removeFilter()}, or
37	* {@link StructuredViewer#setFilters(org.eclipse.jface.viewers.ViewerFilter[])
38	* setFilters()}) -- it is assumed that filters are only changed through the
39	* set.
40	*
41	* @since 1.2
42	*/
43	public class ViewerFiltersObservableSet extends ObservableSet implements
44	IViewerObservableSet {
45
46	private StructuredViewer viewer;
47
48	/**
49	* @param realm
50	* @param viewer
51	*/
52	public ViewerFiltersObservableSet(Realm realm, StructuredViewer viewer) {
53	super(realm, new HashSet(Arrays.asList(viewer.getFilters())),
54	ViewerFilter.class);
55	this.viewer = viewer;
56	}
57
58	public Viewer getViewer() {
59	return viewer;
60	}
61
62	private void replaceFilters() {
63	viewer.getControl().setRedraw(false);
64	try {
65	viewer.setFilters((ViewerFilter[]) wrappedSet
66	.toArray(new ViewerFilter[wrappedSet.size()]));
67	} finally {
68	viewer.getControl().setRedraw(true);
69	}
70	}
71
72	private void addFilter(ViewerFilter filter) {
73	viewer.getControl().setRedraw(false);
74	try {
75	viewer.addFilter(filter);
76	} finally {
77	viewer.getControl().setRedraw(true);
78	}
79	}
80
81	private void removeFilter(ViewerFilter filter) {
82	viewer.getControl().setRedraw(false);
83	try {
84	viewer.removeFilter(filter);
85	} finally {
86	viewer.getControl().setRedraw(true);
87	}
88	}
89
90	public boolean add(Object element) {
91	checkRealm();
92	boolean added = wrappedSet.add(element);
93	if (added) {
94	addFilter((ViewerFilter) element);
95	fireSetChange(Diffs.createSetDiff(Collections.singleton(element),
96	Collections.EMPTY_SET));
97	}
98	return added;
99	}
100
101	public boolean addAll(Collection c) {
102	getterCalled();
103	Set additions = new HashSet();
104	Iterator it = c.iterator();
105	while (it.hasNext()) {
106	Object element = it.next();
107	if (wrappedSet.add(element)) {
108	additions.add(element);
109	}
110	}
111	if (additions.size() > 0) {
112	replaceFilters();
113	fireSetChange(Diffs.createSetDiff(additions, Collections.EMPTY_SET));
114	return true;
115	}
116	return false;
117	}
118
119	public void clear() {
120	getterCalled();
121	Set removes = new HashSet(wrappedSet);
122	wrappedSet.clear();
123	replaceFilters();
124	fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET, removes));
125	}
126
127	public boolean remove(Object o) {
128	getterCalled();
129	boolean removed = wrappedSet.remove(o);
130	if (removed) {
131	removeFilter((ViewerFilter) o);
132	fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET,
133	Collections.singleton(o)));
134	}
135	return removed;
136	}
137
138	public boolean removeAll(Collection c) {
139	getterCalled();
140	Set removes = new HashSet();
141	Iterator it = c.iterator();
142	while (it.hasNext()) {
143	Object element = it.next();
144	if (wrappedSet.remove(element)) {
145	removes.add(element);
146	}
147	}
148	if (removes.size() > 0) {
149	replaceFilters();
150	fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET, removes));
151	return true;
152	}
153	return false;
154	}
155
156	public boolean retainAll(Collection c) {
157	getterCalled();
158	Set removes = new HashSet();
159	Iterator it = wrappedSet.iterator();
160	while (it.hasNext()) {
161	Object element = it.next();
162	if (!c.contains(element)) {
163	it.remove();
164	removes.add(element);
165	}
166	}
167	if (removes.size() > 0) {
168	replaceFilters();
169	fireSetChange(Diffs.createSetDiff(Collections.EMPTY_SET, removes));
170	return true;
171	}
172	return false;
173	}
174	}

Removed Link Here

(-)src/org/eclipse/jface/internal/databinding/provisional/swt/AbstractSWTObservableValue.java (-69 lines)
1	/*******************************************************************************
2	* Copyright (c) 2006 The Pampered Chef, Inc. and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* The Pampered Chef, Inc. - initial API and implementation
10	******************************************************************************/
11
12	package org.eclipse.jface.internal.databinding.provisional.swt;
13
14	import org.eclipse.core.databinding.observable.Realm;
15	import org.eclipse.core.databinding.observable.value.AbstractObservableValue;
16	import org.eclipse.jface.databinding.swt.ISWTObservableValue;
17	import org.eclipse.jface.databinding.swt.SWTObservables;
18	import org.eclipse.swt.events.DisposeEvent;
19	import org.eclipse.swt.events.DisposeListener;
20	import org.eclipse.swt.widgets.Widget;
21
22	/**
23	* NON-API - An abstract superclass for observable values that gurantees that the
24	* observable will be disposed when the control to which it is attached is
25	* disposed.
26	*
27	* @since 1.1
28	*/
29	public abstract class AbstractSWTObservableValue extends AbstractObservableValue implements ISWTObservableValue {
30
31	private final Widget widget;
32
33	/**
34	* Standard constructor for an SWT ObservableValue. Makes sure that
35	* the observable gets disposed when the SWT widget is disposed.
36	*
37	* @param widget
38	*/
39	protected AbstractSWTObservableValue(Widget widget) {
40	this(SWTObservables.getRealm(widget.getDisplay()), widget);
41	}
42
43	/**
44	* Constructor that allows for the setting of the realm. Makes sure that the
45	* observable gets disposed when the SWT widget is disposed.
46	*
47	* @param realm
48	* @param widget
49	* @since 1.2
50	*/
51	protected AbstractSWTObservableValue(Realm realm, Widget widget) {
52	super(realm);
53	this.widget = widget;
54	widget.addDisposeListener(disposeListener);
55	}
56
57	private DisposeListener disposeListener = new DisposeListener() {
58	public void widgetDisposed(DisposeEvent e) {
59	AbstractSWTObservableValue.this.dispose();
60	}
61	};
62
63	/**
64	* @return Returns the widget.
65	*/
66	public Widget getWidget() {
67	return widget;
68	}
69	}

Added Link Here

(-)src/org/eclipse/jface/databinding/swt/ToolItemProperties.java (+31 lines)
1	/*******************************************************************************
2	* Copyright (c) 2008 Matthew Hall and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* Matthew Hall - initial API and implementation (bug 194734)
10	******************************************************************************/
11
12	package org.eclipse.jface.databinding.swt;
13
14	import org.eclipse.core.databinding.property.value.IValueProperty;
15	import org.eclipse.jface.internal.databinding.swt.ToolItemTooltipTextProperty;
16
17	/**
18	* A factory for creating properties of SWT ToolItems
19	*
20	* @since 1.3
21	*/
22	public class ToolItemProperties {
23	/**
24	* Returns a value property for the tooltip text of a SWT ToolItems.
25	*
26	* @return a value property for the tooltip text of a SWT ToolItems.
27	*/
28	public static IValueProperty tooltipText() {
29	return new ToolItemTooltipTextProperty();
30	}
31	}

Lines 35-42 Link Here

(-)src/org/eclipse/jface/databinding/conformance/MutableObservableValueContractTest.java (-13 / +18 lines)
35	*	35	*
36	* @since 3.2	36	* @since 3.2
37	*/	37	*/
38	public class MutableObservableValueContractTest extends	38	public class MutableObservableValueContractTest extends ObservableDelegateTest {
39	ObservableDelegateTest {
40	private IObservableValueContractDelegate delegate;	39	private IObservableValueContractDelegate delegate;
41		40
42	private IObservableValue observable;	41	private IObservableValue observable;
Lines 63-92 Link Here
63		62
64	public void testSetValue_SetsValue() throws Exception {	63	public void testSetValue_SetsValue() throws Exception {
65	Object value = delegate.createValue(observable);	64	Object value = delegate.createValue(observable);
66		65
67	observable.setValue(value);	66	observable.setValue(value);
68	assertEquals(formatFail("IObservableValue.setValue(Object) should set the value of the observable."), value, observable.getValue());	67	assertEquals(
		68	formatFail("IObservableValue.setValue(Object) should set the value of the observable."),
		69	value, observable.getValue());
69	}	70	}
70		71
71	public void testSetValue_ChangeEvent() throws Exception {	72	public void testSetValue_ChangeEvent() throws Exception {
72	ChangeEventTracker listener = ChangeEventTracker.observe(observable);	73	ChangeEventTracker listener = ChangeEventTracker.observe(observable);
73		74
74	observable.setValue(delegate.createValue(observable));	75	observable.setValue(delegate.createValue(observable));
75		76
76	assertEquals(formatFail("Change event listeners were not notified"), 1, listener.count);	77	assertEquals(formatFail("Change event listeners were not notified"), 1,
77	assertEquals(formatFail("IObservableValue.setValue(Object) should fire one ChangeEvent."), 1,
78	listener.count);	78	listener.count);
79	assertEquals(	79	assertEquals(
		80	formatFail("IObservableValue.setValue(Object) should fire one ChangeEvent."),
		81	1, listener.count);
		82	assertEquals(
80	formatFail("IObservableValue.setValue(Object)'s change event observable should be the created observable."),	83	formatFail("IObservableValue.setValue(Object)'s change event observable should be the created observable."),
81	observable, listener.event.getObservable());	84	observable, listener.event.getObservable());
82	}	85	}
83		86
84	public void testSetValue_SameValue() throws Exception {	87	public void testSetValue_SameValue() throws Exception {
85	// invoke change to ensure observable has a value	88	// invoke change to ensure observable has a value
86	delegate.change(observable);	89	delegate.change(observable);
87		90
88	ValueChangeEventTracker valueChangeListener = ValueChangeEventTracker.observe(observable);	91	ValueChangeEventTracker valueChangeListener = ValueChangeEventTracker
89	ChangeEventTracker changeListener = ChangeEventTracker.observe(observable);	92	.observe(observable);
		93	ChangeEventTracker changeListener = ChangeEventTracker
		94	.observe(observable);
90	Object value = observable.getValue();	95	Object value = observable.getValue();
91	observable.setValue(value);	96	observable.setValue(value);
92		97
Lines 97-103 Link Here
97	formatFail("IObservableValue.setValue() should not fire a change event when the value has not change."),	102	formatFail("IObservableValue.setValue() should not fire a change event when the value has not change."),
98	0, changeListener.count);	103	0, changeListener.count);
99	}	104	}
100		105
101	public void testSetValue_RealmChecks() throws Exception {	106	public void testSetValue_RealmChecks() throws Exception {
102	RealmTester.exerciseCurrent(new Runnable() {	107	RealmTester.exerciseCurrent(new Runnable() {
103	public void run() {	108	public void run() {

Lines 14-19 Link Here

(-)META-INF/MANIFEST.MF (+6 lines)
14	org.eclipse.core.databinding.observable.masterdetail,	14	org.eclipse.core.databinding.observable.masterdetail,
15	org.eclipse.core.databinding.observable.set;x-internal:=false,	15	org.eclipse.core.databinding.observable.set;x-internal:=false,
16	org.eclipse.core.databinding.observable.value;x-internal:=false,	16	org.eclipse.core.databinding.observable.value;x-internal:=false,
		17	org.eclipse.core.databinding.property,
		18	org.eclipse.core.databinding.property.list,
		19	org.eclipse.core.databinding.property.map,
		20	org.eclipse.core.databinding.property.set,
		21	org.eclipse.core.databinding.property.value,
17	org.eclipse.core.databinding.util,	22	org.eclipse.core.databinding.util,
18	org.eclipse.core.databinding.validation;x-internal:=false,	23	org.eclipse.core.databinding.validation;x-internal:=false,
19	org.eclipse.core.internal.databinding;x-friends:="org.eclipse.core.databinding.beans",	24	org.eclipse.core.internal.databinding;x-friends:="org.eclipse.core.databinding.beans",
Lines 21-26 Link Here
21	org.eclipse.core.internal.databinding.observable;x-internal:=true,	26	org.eclipse.core.internal.databinding.observable;x-internal:=true,
22	org.eclipse.core.internal.databinding.observable.masterdetail;x-friends:="org.eclipse.jface.tests.databinding",	27	org.eclipse.core.internal.databinding.observable.masterdetail;x-friends:="org.eclipse.jface.tests.databinding",
23	org.eclipse.core.internal.databinding.observable.tree;x-friends:="org.eclipse.jface.databinding,org.eclipse.jface.tests.databinding",	28	org.eclipse.core.internal.databinding.observable.tree;x-friends:="org.eclipse.jface.databinding,org.eclipse.jface.tests.databinding",
		29	org.eclipse.core.internal.databinding.property;x-friends:="org.eclipse.jface.databinding,org.eclipse.jface.tests.databinding",
24	org.eclipse.core.internal.databinding.validation;x-friends:="org.eclipse.jface.tests.databinding"	30	org.eclipse.core.internal.databinding.validation;x-friends:="org.eclipse.jface.tests.databinding"
25	Require-Bundle: org.eclipse.equinox.common;bundle-version="[3.2.0,4.0.0)"	31	Require-Bundle: org.eclipse.equinox.common;bundle-version="[3.2.0,4.0.0)"
26	Import-Package-Comment: see http://wiki.eclipse.org/	32	Import-Package-Comment: see http://wiki.eclipse.org/

Added Link Here

(-)src/org/eclipse/core/databinding/property/value/IValueProperty.java (+63 lines)
1	/*******************************************************************************
2	* Copyright (c) 2008 Matthew Hall and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* Matthew Hall - initial API and implementation (bug 194734)
10	******************************************************************************/
11
12	package org.eclipse.core.databinding.property.value;
13
14	import org.eclipse.core.databinding.property.IProperty;
15	import org.eclipse.core.databinding.property.IPropertyListenerHook;
16
17	/**
18	* Interface for value-typed properties
19	*
20	* @since 1.2
21	* @noimplement This interface is not intended to be implemented by clients.
22	*/
23	public interface IValueProperty extends IProperty {
24	/**
25	* Returns the source's value property
26	*
27	* @param source
28	* the property source
29	* @return the current value of the source's value property
30	*/
31	public Object getValue(Object source);
32
33	/**
34	* Sets the source's value property to the specified value
35	*
36	* @param source
37	* the property source
38	* @param value
39	* the new value
40	*/
41	public void setValue(Object source, Object value);
42
43	/**
44	* Returns the value type of the property, or <code>null</code> if untyped.
45	*
46	* @return the value type of the property, or <code>null</code> if untyped.
47	*/
48	public Object getValueType();
49
50	/**
51	* Registers the specified value property change listener to be notified
52	* when a property change event is fired from the given property source.
53	*
54	* @param source
55	* the property source
56	* @param listener
57	* the listener to adapt
58	* @return a listener context for unhooking the change listener when it is
59	* no longer needed
60	*/
61	public IPropertyListenerHook hookListener(Object source,
62	IValuePropertyChangeListener listener);
63	}

Added Link Here

(-)src/org/eclipse/core/internal/databinding/observable/PropertyObservableMap.java (+175 lines)
1	/*******************************************************************************
2	* Copyright (c) 2008 Matthew Hall and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* Matthew Hall - initial API and implementation (bug 194734)
10	******************************************************************************/
11
12	package org.eclipse.core.internal.databinding.observable;
13
14	import java.util.Collection;
15	import java.util.Collections;
16	import java.util.Map;
17	import java.util.Set;
18
19	import org.eclipse.core.databinding.observable.ObservableTracker;
20	import org.eclipse.core.databinding.observable.Realm;
21	import org.eclipse.core.databinding.observable.map.AbstractObservableMap;
22	import org.eclipse.core.databinding.property.IProperty;
23	import org.eclipse.core.databinding.property.IPropertyListenerHook;
24	import org.eclipse.core.databinding.property.IPropertyObservable;
25	import org.eclipse.core.databinding.property.map.IMapProperty;
26	import org.eclipse.core.databinding.property.map.IMapPropertyChangeListener;
27	import org.eclipse.core.databinding.property.map.MapPropertyChangeEvent;
28
29	/**
30	* @since 3.3
31	*
32	*/
33	public class PropertyObservableMap extends AbstractObservableMap implements
34	IPropertyObservable {
35	private Object source;
36	private IMapProperty property;
37
38	private volatile boolean updating = false;
39
40	private transient volatile int modCount = 0;
41
42	private IPropertyListenerHook listenerHook;
43
44	/**
45	* @param realm
46	* @param source
47	* @param property
48	*/
49	public PropertyObservableMap(Realm realm, Object source,
50	IMapProperty property) {
51	super(realm);
52	this.source = source;
53	this.property = property;
54	}
55
56	private void getterCalled() {
57	ObservableTracker.getterCalled(this);
58	}
59
60	protected void firstListenerAdded() {
61	if (!isDisposed()) {
62	IMapPropertyChangeListener listener = new IMapPropertyChangeListener() {
63	public void handleMapPropertyChange(
64	final MapPropertyChangeEvent event) {
65	if (!isDisposed() && !updating) {
66	getRealm().exec(new Runnable() {
67	public void run() {
68	modCount++;
69	fireMapChange(event.diff);
70	}
71	});
72	}
73	}
74	};
75	listenerHook = property.hookListener(source, listener);
76	}
77	}
78
79	protected void lastListenerRemoved() {
80	if (listenerHook != null) {
81	listenerHook.dispose();
82	listenerHook = null;
83	}
84	}
85
86	public boolean containsKey(Object key) {
87	getterCalled();
88	return property.containsKey(source, key);
89	}
90
91	public boolean containsValue(Object value) {
92	getterCalled();
93	return property.containsValue(source, value);
94	}
95
96	public Set entrySet() {
97	getterCalled();
98	// unmodifiable for now
99	return Collections.unmodifiableSet(property.getMap(source).entrySet());
100	}
101
102	public Object get(Object key) {
103	getterCalled();
104	return property.get(source, key);
105	}
106
107	public boolean isEmpty() {
108	getterCalled();
109	return property.isEmpty(source);
110	}
111
112	public Set keySet() {
113	getterCalled();
114	return Collections.unmodifiableSet(property.getMap(source).keySet());
115	}
116
117	public Object put(Object key, Object value) {
118	checkRealm();
119	return property.put(source, key, value);
120	}
121
122	public void putAll(Map m) {
123	checkRealm();
124	property.putAll(source, m);
125	}
126
127	public Object remove(Object key) {
128	checkRealm();
129	return property.remove(source, key);
130	}
131
132	public int size() {
133	getterCalled();
134	return property.size(source);
135	}
136
137	public Collection values() {
138	getterCalled();
139	return Collections.unmodifiableCollection(property.getMap(source)
140	.values());
141	}
142
143	public void clear() {
144	getterCalled();
145	property.clear(source);
146	}
147
148	public boolean equals(Object o) {
149	getterCalled();
150	return property.equals(source, o);
151	}
152
153	public int hashCode() {
154	getterCalled();
155	return property.hashCode(source);
156	}
157
158	public Object getObserved() {
159	return source;
160	}
161
162	public IProperty getProperty() {
163	return property;
164	}
165
166	public synchronized void dispose() {
167	if (listenerHook != null) {
168	listenerHook.dispose();
169	listenerHook = null;
170	}
171	property = null;
172	source = null;
173	super.dispose();
174	}
175	}

Removed Link Here

(-)src/org/eclipse/core/internal/databinding/beans/JavaBeanObservableMap.java (-193 lines)
1	/*******************************************************************************
2	* Copyright (c) 2006, 2008 IBM Corporation and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* IBM Corporation - initial API and implementation
10	* Brad Reynolds - bug 171616
11	* Matthew hall - bugs 223164, 241585, 226289, 246103
12	*******************************************************************************/
13
14	package org.eclipse.core.internal.databinding.beans;
15
16	import java.beans.PropertyChangeListener;
17	import java.beans.PropertyDescriptor;
18	import java.lang.reflect.Method;
19	import java.util.HashMap;
20	import java.util.Map;
21
22	import org.eclipse.core.databinding.beans.IBeanObservable;
23	import org.eclipse.core.databinding.observable.Diffs;
24	import org.eclipse.core.databinding.observable.map.ComputedObservableMap;
25	import org.eclipse.core.databinding.observable.set.IObservableSet;
26	import org.eclipse.core.databinding.util.Policy;
27	import org.eclipse.core.internal.databinding.Util;
28	import org.eclipse.core.runtime.IStatus;
29	import org.eclipse.core.runtime.Status;
30
31	/**
32	* @since 1.0
33	*
34	*/
35	public class JavaBeanObservableMap extends ComputedObservableMap implements
36	IBeanObservable {
37
38	private PropertyDescriptor propertyDescriptor;
39
40	private PropertyChangeListener elementListener = new PropertyChangeListener() {
41	public void propertyChange(final java.beans.PropertyChangeEvent event) {
42	if (!updating) {
43	getRealm().exec(new Runnable() {
44	public void run() {
45	Object source = event.getSource();
46	Object oldValue = event.getOldValue();
47	Object newValue = event.getNewValue();
48	if (oldValue == null && newValue == null) {
49	oldValue = cachedValues.get(new IdentityWrapper(
50	source));
51	newValue = doGet(source);
52	}
53	cachedValues.put(new IdentityWrapper(source), newValue);
54	if (!Util.equals(oldValue, newValue)) {
55	fireMapChange(Diffs.createMapDiffSingleChange(
56	source, oldValue, newValue));
57	}
58	}
59	});
60	}
61	}
62	};
63
64	private ListenerSupport listenerSupport;
65
66	private boolean updating = false;
67
68	private boolean attachListeners;
69
70	// Applicable only while hasListeners() == true
71	private Map cachedValues;
72
73	/**
74	* @param domain
75	* @param propertyDescriptor
76	*/
77	public JavaBeanObservableMap(IObservableSet domain,
78	PropertyDescriptor propertyDescriptor) {
79	this(domain, propertyDescriptor, true);
80	}
81
82	/**
83	* @param domain
84	* @param propertyDescriptor
85	* @param attachListeners
86	*/
87	public JavaBeanObservableMap(IObservableSet domain,
88	PropertyDescriptor propertyDescriptor, boolean attachListeners) {
89	super(domain, propertyDescriptor.getPropertyType());
90
91	this.propertyDescriptor = propertyDescriptor;
92	this.attachListeners = attachListeners;
93	if (attachListeners) {
94	this.listenerSupport = new ListenerSupport(elementListener,
95	propertyDescriptor.getName());
96	}
97	}
98
99	protected void firstListenerAdded() {
100	if (attachListeners) {
101	cachedValues = new HashMap();
102	}
103	super.firstListenerAdded();
104	}
105
106	protected void lastListenerRemoved() {
107	super.lastListenerRemoved();
108	if (attachListeners) {
109	cachedValues = null;
110	}
111	}
112
113	protected void hookListener(Object domainElement) {
114	if (attachListeners && domainElement != null) {
115	listenerSupport.hookListener(domainElement);
116	cachedValues.put(new IdentityWrapper(domainElement),
117	doGet(domainElement));
118	}
119	}
120
121	protected void unhookListener(Object domainElement) {
122	if (attachListeners && domainElement != null) {
123	cachedValues.remove(new IdentityWrapper(domainElement));
124	listenerSupport.unhookListener(domainElement);
125	}
126	}
127
128	protected Object doGet(Object key) {
129	if (key == null) {
130	return null;
131	}
132	try {
133	Method readMethod = propertyDescriptor.getReadMethod();
134	if (!readMethod.isAccessible()) {
135	readMethod.setAccessible(true);
136	}
137	return readMethod.invoke(key, new Object[0]);
138	} catch (Exception e) {
139	Policy.getLog().log(
140	new Status(IStatus.ERROR, Policy.JFACE_DATABINDING,
141	IStatus.ERROR, "cannot get value", e)); //$NON-NLS-1$
142	throw new RuntimeException(e);
143	}
144	}
145
146	protected Object doPut(Object key, Object value) {
147	try {
148	Object oldValue = get(key);
149	if (!Util.equals(oldValue, value)) {
150	Method writeMethod = propertyDescriptor.getWriteMethod();
151	if (!writeMethod.isAccessible()) {
152	writeMethod.setAccessible(true);
153	}
154	writeMethod.invoke(key, new Object[] { value });
155	}
156
157	if (hasListeners()) {
158	// oldValue contains the live value which may be different from
159	// the cached value if the bean does not have listener API or
160	// does not fire events properly. For consistency we want to
161	// provide the cached value as the old value, rather than the
162	// live value so that consumers that hook/unhook listeners can
163	// do so without maintaining caches of their own.
164	Object newValue = doGet(key);
165	oldValue = cachedValues.put(new IdentityWrapper(key), newValue);
166
167	if (!Util.equals(oldValue, newValue)) {
168	fireSingleChange(key, oldValue, newValue);
169	}
170	}
171	return oldValue;
172	} catch (Exception e) {
173	Policy.getLog().log(
174	new Status(IStatus.ERROR, Policy.JFACE_DATABINDING,
175	IStatus.ERROR, "cannot set value", e)); //$NON-NLS-1$
176	throw new RuntimeException(e);
177	}
178	}
179
180	/* (non-Javadoc)
181	* @see org.eclipse.core.databinding.beans.IBeanObservable#getObserved()
182	*/
183	public Object getObserved() {
184	return keySet();
185	}
186
187	/* (non-Javadoc)
188	* @see org.eclipse.core.databinding.beans.IBeanObservable#getPropertyDescriptor()
189	*/
190	public PropertyDescriptor getPropertyDescriptor() {
191	return propertyDescriptor;
192	}
193	}

Removed Link Here

(-)src/org/eclipse/core/internal/databinding/beans/JavaBeanObservableList.java (-399 lines)
1	/*******************************************************************************
2	* Copyright (c) 2006-2008 IBM Corporation and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* IBM Corporation - initial API and implementation
10	* Brad Reynolds - bug 171616
11	* Matthew Hall - bugs 208858, 221351, 213145, 223164, 244098
12	* Mike Evans - bug 217558
13	*******************************************************************************/
14
15	package org.eclipse.core.internal.databinding.beans;
16
17	import java.beans.PropertyChangeListener;
18	import java.beans.PropertyDescriptor;
19	import java.lang.reflect.Array;
20	import java.lang.reflect.InvocationTargetException;
21	import java.lang.reflect.Method;
22	import java.util.ArrayList;
23	import java.util.Arrays;
24	import java.util.Collection;
25	import java.util.Iterator;
26	import java.util.List;
27
28	import org.eclipse.core.databinding.BindingException;
29	import org.eclipse.core.databinding.beans.IBeanObservable;
30	import org.eclipse.core.databinding.observable.Diffs;
31	import org.eclipse.core.databinding.observable.Realm;
32	import org.eclipse.core.databinding.observable.list.ListDiffEntry;
33	import org.eclipse.core.databinding.observable.list.ObservableList;
34
35	/**
36	* @since 1.0
37	*
38	*/
39	public class JavaBeanObservableList extends ObservableList implements
40	IBeanObservable {
41
42	private final Object object;
43
44	private boolean updating = false;
45
46	private PropertyDescriptor descriptor;
47
48	private ListenerSupport listenerSupport;
49
50	/**
51	* @param realm
52	* @param object
53	* @param descriptor
54	* @param elementType
55	*/
56	public JavaBeanObservableList(Realm realm, Object object,
57	PropertyDescriptor descriptor, Class elementType) {
58	this(realm, object, descriptor, elementType, true);
59	}
60
61	/**
62	* @param realm
63	* @param object
64	* @param descriptor
65	* @param elementType
66	* @param attachListeners
67	*/
68	public JavaBeanObservableList(Realm realm, Object object,
69	PropertyDescriptor descriptor, Class elementType,
70	boolean attachListeners) {
71
72	super(realm, new ArrayList(), elementType);
73	this.object = object;
74	this.descriptor = descriptor;
75
76	if (attachListeners) {
77	PropertyChangeListener listener = new PropertyChangeListener() {
78	public void propertyChange(java.beans.PropertyChangeEvent event) {
79	if (!updating) {
80	getRealm().exec(new Runnable() {
81	public void run() {
82	updateWrappedList(new ArrayList(Arrays
83	.asList(getValues())));
84	}
85	});
86	}
87	}
88	};
89	this.listenerSupport = new ListenerSupport(listener,
90	descriptor.getName());
91	listenerSupport.hookListener(this.object);
92	}
93
94	// initialize list without firing events
95	wrappedList.addAll(Arrays.asList(getValues()));
96	}
97
98	public void dispose() {
99	if (listenerSupport != null) {
100	listenerSupport.dispose();
101	listenerSupport = null;
102	}
103	super.dispose();
104	}
105
106	private Object primGetValues() {
107	Exception ex = null;
108	try {
109	Method readMethod = descriptor.getReadMethod();
110	if (!readMethod.isAccessible()) {
111	readMethod.setAccessible(true);
112	}
113	return readMethod.invoke(object, new Object[0]);
114	} catch (IllegalArgumentException e) {
115	ex = e;
116	} catch (IllegalAccessException e) {
117	ex = e;
118	} catch (InvocationTargetException e) {
119	ex = e;
120	}
121	throw new BindingException("Could not read collection values", ex); //$NON-NLS-1$
122	}
123
124	private Object[] getValues() {
125	Object[] values = null;
126
127	Object result = primGetValues();
128	if (descriptor.getPropertyType().isArray())
129	values = (Object[]) result;
130	else {
131	// TODO add jUnit for POJO (var. SettableValue) collections
132	Collection list = (Collection) result;
133	if (list != null) {
134	values = list.toArray();
135	}
136	}
137	if (values == null)
138	values = new Object[0];
139	return values;
140	}
141
142	public Object getObserved() {
143	return object;
144	}
145
146	public PropertyDescriptor getPropertyDescriptor() {
147	return descriptor;
148	}
149
150	private void setValues() {
151	if (descriptor.getPropertyType().isArray()) {
152	Class componentType = descriptor.getPropertyType()
153	.getComponentType();
154	Object[] newArray = (Object[]) Array.newInstance(componentType,
155	wrappedList.size());
156	wrappedList.toArray(newArray);
157	primSetValues(newArray);
158	} else {
159	// assume that it is a java.util.List
160	primSetValues(new ArrayList(wrappedList));
161	}
162	}
163
164	private void primSetValues(Object newValue) {
165	Exception ex = null;
166	try {
167	Method writeMethod = descriptor.getWriteMethod();
168	if (!writeMethod.isAccessible()) {
169	writeMethod.setAccessible(true);
170	}
171	writeMethod.invoke(object, new Object[] { newValue });
172	return;
173	} catch (IllegalArgumentException e) {
174	ex = e;
175	} catch (IllegalAccessException e) {
176	ex = e;
177	} catch (InvocationTargetException e) {
178	ex = e;
179	}
180	throw new BindingException("Could not write collection values", ex); //$NON-NLS-1$
181	}
182
183	public Object set(int index, Object element) {
184	getterCalled();
185	updating = true;
186	try {
187	Object oldElement = wrappedList.set(index, element);
188	setValues();
189	fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
190	index, false, oldElement), Diffs.createListDiffEntry(index,
191	true, element)));
192	return oldElement;
193	} finally {
194	updating = false;
195	}
196	}
197
198	public Object move(int oldIndex, int newIndex) {
199	getterCalled();
200	updating = true;
201	try {
202	int size = wrappedList.size();
203	if (oldIndex < 0 \|\| oldIndex >= size)
204	throw new IndexOutOfBoundsException(
205	"oldIndex: " + oldIndex + ", size:" + size); //$NON-NLS-1$ //$NON-NLS-2$
206	if (newIndex < 0 \|\| newIndex >= size)
207	throw new IndexOutOfBoundsException(
208	"newIndex: " + newIndex + ", size:" + size); //$NON-NLS-1$ //$NON-NLS-2$
209	if (oldIndex == newIndex)
210	return wrappedList.get(oldIndex);
211	Object element = wrappedList.remove(oldIndex);
212	wrappedList.add(newIndex, element);
213	setValues();
214	fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
215	oldIndex, false, element), Diffs.createListDiffEntry(
216	newIndex, true, element)));
217	return element;
218	} finally {
219	updating = false;
220	}
221	}
222
223	public Object remove(int index) {
224	getterCalled();
225	updating = true;
226	try {
227	Object oldElement = wrappedList.remove(index);
228	setValues();
229	fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
230	index, false, oldElement)));
231	return oldElement;
232	} finally {
233	updating = false;
234	}
235	}
236
237	public boolean add(Object element) {
238	updating = true;
239	try {
240	int index = wrappedList.size();
241	boolean result = wrappedList.add(element);
242	setValues();
243	fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
244	index, true, element)));
245	return result;
246	} finally {
247	updating = false;
248	}
249	}
250
251	public void add(int index, Object element) {
252	updating = true;
253	try {
254	wrappedList.add(index, element);
255	setValues();
256	fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
257	index, true, element)));
258	} finally {
259	updating = false;
260	}
261	}
262
263	public boolean addAll(Collection c) {
264	if (c.isEmpty()) {
265	return false;
266	}
267	updating = true;
268	try {
269	int index = wrappedList.size();
270	boolean result = wrappedList.addAll(c);
271	setValues();
272	ListDiffEntry[] entries = new ListDiffEntry[c.size()];
273	int i = 0;
274	for (Iterator it = c.iterator(); it.hasNext();) {
275	Object o = it.next();
276	entries[i++] = Diffs.createListDiffEntry(index++, true, o);
277	}
278	fireListChange(Diffs.createListDiff(entries));
279	return result;
280	} finally {
281	updating = false;
282	}
283	}
284
285	public boolean addAll(int index, Collection c) {
286	if (c.isEmpty()) {
287	return false;
288	}
289	updating = true;
290	try {
291	boolean result = wrappedList.addAll(index, c);
292	setValues();
293	ListDiffEntry[] entries = new ListDiffEntry[c.size()];
294	int i = 0;
295	for (Iterator it = c.iterator(); it.hasNext();) {
296	Object o = it.next();
297	entries[i++] = Diffs.createListDiffEntry(index++, true, o);
298	}
299	fireListChange(Diffs.createListDiff(entries));
300	return result;
301	} finally {
302	updating = false;
303	}
304	}
305
306	public boolean remove(Object o) {
307	getterCalled();
308	int index = wrappedList.indexOf(o);
309	if (index == -1) {
310	return false;
311	}
312	updating = true;
313	try {
314	Object oldElement = wrappedList.remove(index);
315	setValues();
316	fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry(
317	index, false, oldElement)));
318	return true;
319	} finally {
320	updating = false;
321	}
322	}
323
324	public boolean removeAll(Collection c) {
325	getterCalled();
326	boolean changed = false;
327	updating = true;
328	try {
329	List diffEntries = new ArrayList();
330	for (Iterator it = c.iterator(); it.hasNext();) {
331	Object o = it.next();
332	int index = wrappedList.indexOf(o);
333	if (index != -1) {
334	changed = true;
335	Object oldElement = wrappedList.remove(index);
336	diffEntries.add(Diffs.createListDiffEntry(index, false,
337	oldElement));
338	}
339	}
340	if (changed) {
341	setValues();
342	fireListChange(Diffs
343	.createListDiff((ListDiffEntry[]) diffEntries
344	.toArray(new ListDiffEntry[diffEntries.size()])));
345	}
346	return changed;
347	} finally {
348	updating = false;
349	}
350	}
351
352	public boolean retainAll(Collection c) {
353	getterCalled();
354	boolean changed = false;
355	updating = true;
356	try {
357	List diffEntries = new ArrayList();
358	int index = 0;
359	for (Iterator it = wrappedList.iterator(); it.hasNext();) {
360	Object o = it.next();
361	boolean retain = c.contains(o);
362	if (retain) {
363	index++;
364	} else {
365	changed = true;
366	it.remove();
367	diffEntries.add(Diffs.createListDiffEntry(index, false, o));
368	}
369	}
370	if (changed) {
371	setValues();
372	fireListChange(Diffs
373	.createListDiff((ListDiffEntry[]) diffEntries
374	.toArray(new ListDiffEntry[diffEntries.size()])));
375	}
376	return changed;
377	} finally {
378	updating = false;
379	}
380	}
381
382	public void clear() {
383	updating = true;
384	try {
385	List diffEntries = new ArrayList();
386	for (Iterator it = wrappedList.iterator(); it.hasNext();) {
387	Object o = it.next();
388	diffEntries.add(Diffs.createListDiffEntry(0, false, o));
389	}
390	wrappedList.clear();
391	setValues();
392	fireListChange(Diffs.createListDiff((ListDiffEntry[]) diffEntries
393	.toArray(new ListDiffEntry[diffEntries.size()])));
394	} finally {
395	updating = false;
396	}
397	}
398
399	}

Lines 8-24 Link Here

(-)src/org/eclipse/core/databinding/beans/BeansObservables.java (-100 / +45 lines)
8	* Contributors:	8	* Contributors:
9	* IBM Corporation - initial API and implementation	9	* IBM Corporation - initial API and implementation
10	* Brad Reynolds - bugs 164268, 171616, 147515	10	* Brad Reynolds - bugs 164268, 171616, 147515
11	* Matthew Hall - bug 221704, 234686, 246625, 226289, 246782	11	* Matthew Hall - bug 221704, 234686, 246625, 226289, 246782, 194734
12	* Thomas Kratz - bug 213787	12	* Thomas Kratz - bug 213787
13	*******************************************************************************/	13	*******************************************************************************/
14	package org.eclipse.core.databinding.beans;	14	package org.eclipse.core.databinding.beans;
15		15
16	import java.beans.BeanInfo;
17	import java.beans.IntrospectionException;
18	import java.beans.Introspector;
19	import java.beans.PropertyDescriptor;	16	import java.beans.PropertyDescriptor;
20		17
21	import org.eclipse.core.databinding.BindingException;
22	import org.eclipse.core.databinding.observable.IObservable;	18	import org.eclipse.core.databinding.observable.IObservable;
23	import org.eclipse.core.databinding.observable.Realm;	19	import org.eclipse.core.databinding.observable.Realm;
24	import org.eclipse.core.databinding.observable.list.IObservableList;	20	import org.eclipse.core.databinding.observable.list.IObservableList;
Lines 27-43 Link Here
27	import org.eclipse.core.databinding.observable.masterdetail.MasterDetailObservables;	23	import org.eclipse.core.databinding.observable.masterdetail.MasterDetailObservables;
28	import org.eclipse.core.databinding.observable.set.IObservableSet;	24	import org.eclipse.core.databinding.observable.set.IObservableSet;
29	import org.eclipse.core.databinding.observable.value.IObservableValue;	25	import org.eclipse.core.databinding.observable.value.IObservableValue;
		26	import org.eclipse.core.databinding.property.PropertyObservables;
		27	import org.eclipse.core.databinding.property.list.IListProperty;
		28	import org.eclipse.core.databinding.property.map.IMapProperty;
		29	import org.eclipse.core.databinding.property.set.ISetProperty;
		30	import org.eclipse.core.databinding.property.value.IValueProperty;
30	import org.eclipse.core.databinding.util.Policy;	31	import org.eclipse.core.databinding.util.Policy;
31	import org.eclipse.core.internal.databinding.Util;	32	import org.eclipse.core.internal.databinding.Util;
32	import org.eclipse.core.internal.databinding.beans.BeanObservableListDecorator;	33	import org.eclipse.core.internal.databinding.beans.BeanObservableListDecorator;
33	import org.eclipse.core.internal.databinding.beans.BeanObservableMapDecorator;	34	import org.eclipse.core.internal.databinding.beans.BeanObservableMapDecorator;
34	import org.eclipse.core.internal.databinding.beans.BeanObservableSetDecorator;	35	import org.eclipse.core.internal.databinding.beans.BeanObservableSetDecorator;
35	import org.eclipse.core.internal.databinding.beans.BeanObservableValueDecorator;	36	import org.eclipse.core.internal.databinding.beans.BeanObservableValueDecorator;
36	import org.eclipse.core.internal.databinding.beans.JavaBeanObservableList;	37	import org.eclipse.core.internal.databinding.beans.BeanPropertyHelper;
37	import org.eclipse.core.internal.databinding.beans.JavaBeanObservableMap;
38	import org.eclipse.core.internal.databinding.beans.JavaBeanObservableSet;
39	import org.eclipse.core.internal.databinding.beans.JavaBeanObservableValue;
40	import org.eclipse.core.internal.databinding.beans.JavaBeanPropertyObservableMap;
41	import org.eclipse.core.runtime.Assert;	38	import org.eclipse.core.runtime.Assert;
42	import org.eclipse.core.runtime.IStatus;	39	import org.eclipse.core.runtime.IStatus;
43	import org.eclipse.core.runtime.Status;	40	import org.eclipse.core.runtime.Status;
Lines 87-95 Link Here
87	*/	84	*/
88	public static IObservableValue observeValue(Realm realm, Object bean,	85	public static IObservableValue observeValue(Realm realm, Object bean,
89	String propertyName) {	86	String propertyName) {
90	PropertyDescriptor descriptor = getPropertyDescriptor(bean.getClass(),	87	IValueProperty property = BeanProperties.valueProperty(bean.getClass(),
91	propertyName);	88	propertyName);
92	return new JavaBeanObservableValue(realm, bean, descriptor);	89	PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
		90	.getPropertyDescriptor();
		91	return new BeanObservableValueDecorator(PropertyObservables
		92	.observeValue(realm, bean, property), propertyDescriptor);
93	}	93	}
94		94
95	/**	95	/**
Lines 107-115 Link Here
107	*/	107	*/
108	public static IObservableMap observeMap(IObservableSet domain,	108	public static IObservableMap observeMap(IObservableSet domain,
109	Class beanClass, String propertyName) {	109	Class beanClass, String propertyName) {
110	PropertyDescriptor descriptor = getPropertyDescriptor(beanClass,	110	IValueProperty property = BeanProperties.valueProperty(beanClass,
111	propertyName);	111	propertyName);
112	return new JavaBeanObservableMap(domain, descriptor);	112	PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
		113	.getPropertyDescriptor();
		114	return new BeanObservableMapDecorator(PropertyObservables.observeDetailValues(
		115	domain, property), propertyDescriptor);
113	}	116	}
114		117
115	/**	118	/**
Lines 153-162 Link Here
153	*/	156	*/
154	public static IObservableMap observeMap(Realm realm, Object bean,	157	public static IObservableMap observeMap(Realm realm, Object bean,
155	String propertyName, Class keyType, Class valueType) {	158	String propertyName, Class keyType, Class valueType) {
156	PropertyDescriptor descriptor = getPropertyDescriptor(bean.getClass(),	159	IMapProperty property = BeanProperties.mapProperty(bean.getClass(),
157	propertyName);	160	propertyName, keyType, valueType);
158	return new JavaBeanPropertyObservableMap(realm, bean, descriptor,	161	PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
159	keyType, valueType);	162	.getPropertyDescriptor();
		163	return new BeanObservableMapDecorator(PropertyObservables.observeMap(
		164	bean, property), propertyDescriptor);
160	}	165	}
161		166
162	/**	167	/**
Lines 197-223 Link Here
197	return observeMap(Realm.getDefault(), bean, propertyName, keyType, valueType);	202	return observeMap(Realm.getDefault(), bean, propertyName, keyType, valueType);
198	}	203	}
199		204
200	/package/ static PropertyDescriptor getPropertyDescriptor(Class beanClass,
201	String propertyName) {
202	BeanInfo beanInfo;
203	try {
204	beanInfo = Introspector.getBeanInfo(beanClass);
205	} catch (IntrospectionException e) {
206	// cannot introspect, give up
207	return null;
208	}
209	PropertyDescriptor[] propertyDescriptors = beanInfo
210	.getPropertyDescriptors();
211	for (int i = 0; i < propertyDescriptors.length; i++) {
212	PropertyDescriptor descriptor = propertyDescriptors[i];
213	if (descriptor.getName().equals(propertyName)) {
214	return descriptor;
215	}
216	}
217	throw new BindingException(
218	"Could not find property with name " + propertyName + " in class " + beanClass); //$NON-NLS-1$ //$NON-NLS-2$
219	}
220
221	/**	205	/**
222	* Returns an array of observable maps in the default realm tracking the	206	* Returns an array of observable maps in the default realm tracking the
223	* current values of the named propertys for the beans in the given set.	207	* current values of the named propertys for the beans in the given set.
Lines 303-314 Link Here
303	*/	287	*/
304	public static IObservableList observeList(Realm realm, Object bean,	288	public static IObservableList observeList(Realm realm, Object bean,
305	String propertyName, Class elementType) {	289	String propertyName, Class elementType) {
306	PropertyDescriptor propertyDescriptor = getPropertyDescriptor(bean	290	IListProperty property = BeanProperties.listProperty(bean.getClass(),
307	.getClass(), propertyName);	291	propertyName, elementType);
308	elementType = getCollectionElementType(elementType, propertyDescriptor);	292	PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
309		293	.getPropertyDescriptor();
310	return new JavaBeanObservableList(realm, bean, propertyDescriptor,	294	return new BeanObservableListDecorator(PropertyObservables.observeList(
311	elementType);	295	realm, bean, property), propertyDescriptor);
312	}	296	}
313		297
314	/**	298	/**
Lines 495-504 Link Here
495		479
496	IObservableValue value = MasterDetailObservables.detailValue(master,	480	IObservableValue value = MasterDetailObservables.detailValue(master,
497	valueFactory(realm, propertyName), propertyType);	481	valueFactory(realm, propertyName), propertyType);
498	BeanObservableValueDecorator decorator = new BeanObservableValueDecorator(	482	return new BeanObservableValueDecorator(value, BeanPropertyHelper
499	value, getValueTypePropertyDescriptor(master, propertyName));	483	.getValueTypePropertyDescriptor(master, propertyName));
500
501	return decorator;
502	}	484	}
503		485
504	/* package */static void warnIfDifferentRealms(Realm detailRealm,	486	/* package */static void warnIfDifferentRealms(Realm detailRealm,
Lines 569-578 Link Here
569	Assert.isNotNull(masterType, "masterType cannot be null"); //$NON-NLS-1$	551	Assert.isNotNull(masterType, "masterType cannot be null"); //$NON-NLS-1$
570	IObservableValue value = MasterDetailObservables.detailValue(master,	552	IObservableValue value = MasterDetailObservables.detailValue(master,
571	valueFactory(realm, propertyName), propertyType);	553	valueFactory(realm, propertyName), propertyType);
572	BeanObservableValueDecorator decorator = new BeanObservableValueDecorator(	554	return new BeanObservableValueDecorator(value, BeanPropertyHelper
573	value, getPropertyDescriptor(masterType, propertyName));	555	.getPropertyDescriptor(masterType, propertyName));
574
575	return decorator;
576	}	556	}
577		557
578	/**	558	/**
Lines 627-637 Link Here
627	IObservableList observableList = MasterDetailObservables.detailList(	607	IObservableList observableList = MasterDetailObservables.detailList(
628	master, listFactory(realm, propertyName, propertyType),	608	master, listFactory(realm, propertyName, propertyType),
629	propertyType);	609	propertyType);
630	BeanObservableListDecorator decorator = new BeanObservableListDecorator(	610	return new BeanObservableListDecorator(observableList,
631	observableList, getValueTypePropertyDescriptor(master,	611	BeanPropertyHelper.getValueTypePropertyDescriptor(master,
632	propertyName));	612	propertyName));
633
634	return decorator;
635	}	613	}
636		614
637	/**	615	/**
Lines 679-689 Link Here
679	IObservableSet observableSet = MasterDetailObservables.detailSet(	657	IObservableSet observableSet = MasterDetailObservables.detailSet(
680	master, setFactory(realm, propertyName, propertyType),	658	master, setFactory(realm, propertyName, propertyType),
681	propertyType);	659	propertyType);
682	BeanObservableSetDecorator decorator = new BeanObservableSetDecorator(	660	return new BeanObservableSetDecorator(observableSet, BeanPropertyHelper
683	observableSet, getValueTypePropertyDescriptor(master,	661	.getValueTypePropertyDescriptor(master, propertyName));
684	propertyName));
685
686	return decorator;
687	}	662	}
688		663
689	/**	664	/**
Lines 725-734 Link Here
725	warnIfDifferentRealms(realm, master.getRealm());	700	warnIfDifferentRealms(realm, master.getRealm());
726	IObservableMap observableMap = MasterDetailObservables.detailMap(	701	IObservableMap observableMap = MasterDetailObservables.detailMap(
727	master, mapPropertyFactory(realm, propertyName));	702	master, mapPropertyFactory(realm, propertyName));
728	BeanObservableMapDecorator decorator = new BeanObservableMapDecorator(	703	return new BeanObservableMapDecorator(observableMap, BeanPropertyHelper
729	observableMap, getValueTypePropertyDescriptor(master,	704	.getValueTypePropertyDescriptor(master, propertyName));
730	propertyName));
731	return decorator;
732	}	705	}
733		706
734	/**	707	/**
Lines 771-782 Link Here
771	*/	744	*/
772	public static IObservableSet observeSet(Realm realm, Object bean,	745	public static IObservableSet observeSet(Realm realm, Object bean,
773	String propertyName, Class elementType) {	746	String propertyName, Class elementType) {
774	PropertyDescriptor propertyDescriptor = getPropertyDescriptor(bean	747	ISetProperty property = BeanProperties.setProperty(bean.getClass(),
775	.getClass(), propertyName);	748	propertyName, elementType);
776	elementType = getCollectionElementType(elementType, propertyDescriptor);	749	PropertyDescriptor propertyDescriptor = ((IBeanProperty) property)
777		750	.getPropertyDescriptor();
778	return new JavaBeanObservableSet(realm, bean, propertyDescriptor,	751	return new BeanObservableSetDecorator(PropertyObservables.observeSet(
779	elementType);	752	realm, bean, property), propertyDescriptor);
780	}	753	}
781		754
782	/**	755	/**
Lines 911-942 Link Here
911	public static IObservableFactory mapPropertyFactory(String propertyName) {	884	public static IObservableFactory mapPropertyFactory(String propertyName) {
912	return mapPropertyFactory(Realm.getDefault(), propertyName);	885	return mapPropertyFactory(Realm.getDefault(), propertyName);
913	}	886	}
914
915	/**
916	* @param elementType
917	* can be <code>null</code>
918	* @param propertyDescriptor
919	* @return type of the items in a collection/array property
920	*/
921	/package/ static Class getCollectionElementType(Class elementType,
922	PropertyDescriptor propertyDescriptor) {
923	if (elementType == null) {
924	Class propertyType = propertyDescriptor.getPropertyType();
925	elementType = propertyType.isArray() ? propertyType
926	.getComponentType() : Object.class;
927	}
928
929	return elementType;
930	}
931
932	/**
933	* @param observable
934	* @param propertyName
935	* @return property descriptor or <code>null</code>
936	*/
937	/* package*/ static PropertyDescriptor getValueTypePropertyDescriptor(
938	IObservableValue observable, String propertyName) {
939	return (observable.getValueType() != null) ? getPropertyDescriptor(
940	(Class) observable.getValueType(), propertyName) : null;
941	}
942	}	887	}

Lines 10-21 Link Here

(-)src/org/eclipse/jface/tests/internal/databinding/swt/TextObservableValueTest.java (-11 / +23 lines)
10	* Brad Reynolds - bug 116920	10	* Brad Reynolds - bug 116920
11	* Brad Reynolds - bug 164653	11	* Brad Reynolds - bug 164653
12	* Ashley Cambrell - bug 198904	12	* Ashley Cambrell - bug 198904
		13	* Matthew Hall - bug 194734
13	*******************************************************************************/	14	*******************************************************************************/
14		15
15	package org.eclipse.jface.tests.internal.databinding.swt;	16	package org.eclipse.jface.tests.internal.databinding.swt;
16		17
		18	import org.eclipse.core.databinding.observable.value.IObservableValue;
		19	import org.eclipse.core.databinding.property.PropertyObservables;
17	import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;	20	import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
18	import org.eclipse.jface.internal.databinding.swt.TextObservableValue;	21	import org.eclipse.jface.databinding.swt.TextProperties;
19	import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;	22	import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;
20	import org.eclipse.swt.SWT;	23	import org.eclipse.swt.SWT;
21	import org.eclipse.swt.widgets.Shell;	24	import org.eclipse.swt.widgets.Shell;
Lines 45-60 Link Here
45	*/	48	*/
46	public void testConstructorUpdateEventTypes() {	49	public void testConstructorUpdateEventTypes() {
47	try {	50	try {
48	new TextObservableValue(text, SWT.NONE);	51	TextProperties.text(SWT.None);
49	new TextObservableValue(text, SWT.FocusOut);	52	TextProperties.text(SWT.FocusOut);
50	new TextObservableValue(text, SWT.Modify);	53	TextProperties.text(SWT.Modify);
51	assertTrue(true);	54	assertTrue(true);
52	} catch (IllegalArgumentException e) {	55	} catch (IllegalArgumentException e) {
53	fail();	56	fail();
54	}	57	}
55		58
56	try {	59	try {
57	new TextObservableValue(text, SWT.Verify);	60	TextProperties.text(SWT.Verify);
58	fail();	61	fail();
59	} catch (IllegalArgumentException e) {	62	} catch (IllegalArgumentException e) {
60	assertTrue(true);	63	assertTrue(true);
Lines 67-92 Link Here
67	* @throws Exception	70	* @throws Exception
68	*/	71	*/
69	public void testGetValueBeforeFocusOutChangeEventsFire() throws Exception {	72	public void testGetValueBeforeFocusOutChangeEventsFire() throws Exception {
70	TextObservableValue observableValue = new TextObservableValue(text, SWT.FocusOut);	73	IObservableValue observableValue = PropertyObservables.observeValue(
		74	text, TextProperties.text(SWT.FocusOut));
71	observableValue.addValueChangeListener(listener);	75	observableValue.addValueChangeListener(listener);
72		76
73	String a = "a";	77	String a = "a";
74	String b = "b";	78	String b = "b";
75		79
76	text.setText(a);	80	text.setText(a);
77	assertEquals(a, observableValue.getValue()); //fetch the value updating the buffered value	81
78		82	assertEquals(0, listener.count);
		83
		84	// fetching the value updates the buffered value
		85	assertEquals(a, observableValue.getValue());
		86	assertEquals(1, listener.count);
		87
79	text.setText(b);	88	text.setText(b);
		89
		90	assertEquals(1, listener.count);
		91
80	text.notifyListeners(SWT.FocusOut, null);	92	text.notifyListeners(SWT.FocusOut, null);
81		93
82	assertEquals(1, listener.count);	94	assertEquals(2, listener.count);
83	assertEquals(a, listener.event.diff.getOldValue());	95	assertEquals(a, listener.event.diff.getOldValue());
84	assertEquals(b, listener.event.diff.getNewValue());	96	assertEquals(b, listener.event.diff.getNewValue());
85	}	97	}
86		98
87	public void testDispose() throws Exception {	99	public void testDispose() throws Exception {
88	TextObservableValue observableValue = new TextObservableValue(text,	100	IObservableValue observableValue = PropertyObservables.observeValue(
89	SWT.Modify);	101	text, TextProperties.text(SWT.Modify));
90	ValueChangeEventTracker testCounterValueChangeListener = new ValueChangeEventTracker();	102	ValueChangeEventTracker testCounterValueChangeListener = new ValueChangeEventTracker();
91	observableValue.addValueChangeListener(testCounterValueChangeListener);	103	observableValue.addValueChangeListener(testCounterValueChangeListener);
92		104

Lines 13-19 Link Here

(-)src/org/eclipse/jface/tests/databinding/BindingTestSuite.java (-29 / +39 lines)
13	* Ashley Cambrell - bugs 198903, 198904	13	* Ashley Cambrell - bugs 198903, 198904
14	* Matthew Hall - bugs 210115, 212468, 212223, 206839, 208858, 208322,	14	* Matthew Hall - bugs 210115, 212468, 212223, 206839, 208858, 208322,
15	* 212518, 215531, 221351, 184830, 213145, 218269, 239015,	15	* 212518, 215531, 221351, 184830, 213145, 218269, 239015,
16	* 237703, 237718, 222289, 247394, 233306, 247647, 246103	16	* 237703, 237718, 222289, 247394, 233306, 247647, 246103,
		17	* 194734
17	* Ovidio Mallo - bug 237163, bug 235195	18	* Ovidio Mallo - bug 237163, bug 235195
18	*******************************************************************************/	19	*******************************************************************************/
19	package org.eclipse.jface.tests.databinding;	20	package org.eclipse.jface.tests.databinding;
Lines 64-69 Link Here
64	import org.eclipse.core.tests.databinding.observable.value.ComputedValueTest;	65	import org.eclipse.core.tests.databinding.observable.value.ComputedValueTest;
65	import org.eclipse.core.tests.databinding.observable.value.DecoratingObservableValueTest;	66	import org.eclipse.core.tests.databinding.observable.value.DecoratingObservableValueTest;
66	import org.eclipse.core.tests.databinding.observable.value.WritableValueTest;	67	import org.eclipse.core.tests.databinding.observable.value.WritableValueTest;
		68	import org.eclipse.core.tests.databinding.property.PropertyTest;
67	import org.eclipse.core.tests.databinding.util.PolicyTest;	69	import org.eclipse.core.tests.databinding.util.PolicyTest;
68	import org.eclipse.core.tests.databinding.validation.MultiValidatorTest;	70	import org.eclipse.core.tests.databinding.validation.MultiValidatorTest;
69	import org.eclipse.core.tests.databinding.validation.ValidationStatusTest;	71	import org.eclipse.core.tests.databinding.validation.ValidationStatusTest;
Lines 74-79 Link Here
74	import org.eclipse.core.tests.internal.databinding.beans.BeanObservableListDecoratorTest;	76	import org.eclipse.core.tests.internal.databinding.beans.BeanObservableListDecoratorTest;
75	import org.eclipse.core.tests.internal.databinding.beans.BeanObservableSetDecoratorTest;	77	import org.eclipse.core.tests.internal.databinding.beans.BeanObservableSetDecoratorTest;
76	import org.eclipse.core.tests.internal.databinding.beans.BeanObservableValueDecoratorTest;	78	import org.eclipse.core.tests.internal.databinding.beans.BeanObservableValueDecoratorTest;
		79	import org.eclipse.core.tests.internal.databinding.beans.BeanValuePropertyTest;
77	import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableArrayBasedListTest;	80	import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableArrayBasedListTest;
78	import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableArrayBasedSetTest;	81	import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableArrayBasedSetTest;
79	import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableListTest;	82	import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableListTest;
Lines 81-87 Link Here
81	import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableSetTest;	84	import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableSetTest;
82	import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableValueTest;	85	import org.eclipse.core.tests.internal.databinding.beans.JavaBeanObservableValueTest;
83	import org.eclipse.core.tests.internal.databinding.beans.JavaBeanPropertyObservableMapTest;	86	import org.eclipse.core.tests.internal.databinding.beans.JavaBeanPropertyObservableMapTest;
84	import org.eclipse.core.tests.internal.databinding.beans.ListenerSupportTest;	87	import org.eclipse.core.tests.internal.databinding.beans.BeanPropertyListenerSupportTest;
85	import org.eclipse.core.tests.internal.databinding.conversion.DateConversionSupportTest;	88	import org.eclipse.core.tests.internal.databinding.conversion.DateConversionSupportTest;
86	import org.eclipse.core.tests.internal.databinding.conversion.IdentityConverterTest;	89	import org.eclipse.core.tests.internal.databinding.conversion.IdentityConverterTest;
87	import org.eclipse.core.tests.internal.databinding.conversion.IntegerToStringConverterTest;	90	import org.eclipse.core.tests.internal.databinding.conversion.IntegerToStringConverterTest;
Lines 160-166 Link Here
160	import org.eclipse.jface.tests.internal.databinding.swt.LabelObservableValueTest;	163	import org.eclipse.jface.tests.internal.databinding.swt.LabelObservableValueTest;
161	import org.eclipse.jface.tests.internal.databinding.swt.ListSingleSelectionObservableValueTest;	164	import org.eclipse.jface.tests.internal.databinding.swt.ListSingleSelectionObservableValueTest;
162	import org.eclipse.jface.tests.internal.databinding.swt.SWTDelayedObservableValueDecoratorTest;	165	import org.eclipse.jface.tests.internal.databinding.swt.SWTDelayedObservableValueDecoratorTest;
163	import org.eclipse.jface.tests.internal.databinding.swt.SWTObservableListTest;
164	import org.eclipse.jface.tests.internal.databinding.swt.ScaleObservableValueMaxTest;	166	import org.eclipse.jface.tests.internal.databinding.swt.ScaleObservableValueMaxTest;
165	import org.eclipse.jface.tests.internal.databinding.swt.ScaleObservableValueMinTest;	167	import org.eclipse.jface.tests.internal.databinding.swt.ScaleObservableValueMinTest;
166	import org.eclipse.jface.tests.internal.databinding.swt.ScaleObservableValueSelectionTest;	168	import org.eclipse.jface.tests.internal.databinding.swt.ScaleObservableValueSelectionTest;
Lines 169-174 Link Here
169	import org.eclipse.jface.tests.internal.databinding.swt.SpinnerObservableValueMinTest;	171	import org.eclipse.jface.tests.internal.databinding.swt.SpinnerObservableValueMinTest;
170	import org.eclipse.jface.tests.internal.databinding.swt.SpinnerObservableValueSelectionTest;	172	import org.eclipse.jface.tests.internal.databinding.swt.SpinnerObservableValueSelectionTest;
171	import org.eclipse.jface.tests.internal.databinding.swt.SpinnerObservableValueTest;	173	import org.eclipse.jface.tests.internal.databinding.swt.SpinnerObservableValueTest;
		174	import org.eclipse.jface.tests.internal.databinding.swt.StyledTextObservableValueFocusOutTest;
		175	import org.eclipse.jface.tests.internal.databinding.swt.StyledTextObservableValueModifyTest;
		176	import org.eclipse.jface.tests.internal.databinding.swt.StyledTextObservableValueTest;
172	import org.eclipse.jface.tests.internal.databinding.swt.TableObservableValueTest;	177	import org.eclipse.jface.tests.internal.databinding.swt.TableObservableValueTest;
173	import org.eclipse.jface.tests.internal.databinding.swt.TableSingleSelectionObservableValueTest;	178	import org.eclipse.jface.tests.internal.databinding.swt.TableSingleSelectionObservableValueTest;
174	import org.eclipse.jface.tests.internal.databinding.swt.TextEditableObservableValueTest;	179	import org.eclipse.jface.tests.internal.databinding.swt.TextEditableObservableValueTest;
Lines 195-201 Link Here
195	}	200	}
196		201
197	public BindingTestSuite() {	202	public BindingTestSuite() {
198		203
199	// org.eclipse.core.tests.databinding	204	// org.eclipse.core.tests.databinding
200	addTestSuite(AggregateValidationStatusTest.class);	205	addTestSuite(AggregateValidationStatusTest.class);
201	addTestSuite(DatabindingContextTest.class);	206	addTestSuite(DatabindingContextTest.class);
Lines 249-266 Link Here
249	addTest(ObservableSetTest.suite());	254	addTest(ObservableSetTest.suite());
250	addTest(UnionSetTest.suite());	255	addTest(UnionSetTest.suite());
251	addTest(WritableSetTest.suite());	256	addTest(WritableSetTest.suite());
252		257
253	//org.eclipse.core.tests.databinding.observable.value	258	// org.eclipse.core.tests.databinding.observable.value
254	addTestSuite(AbstractObservableValueTest.class);	259	addTestSuite(AbstractObservableValueTest.class);
255	addTestSuite(AbstractVetoableValueTest.class);	260	addTestSuite(AbstractVetoableValueTest.class);
256	addTestSuite(ComputedValueTest.class);	261	addTestSuite(ComputedValueTest.class);
257	addTest(DecoratingObservableValueTest.suite());	262	addTest(DecoratingObservableValueTest.suite());
258	addTest(WritableValueTest.suite());	263	addTest(WritableValueTest.suite());
259		264
260	//org.eclipse.core.tests.databinding.validation	265	// org.eclipse.core.tests.databinding.property
		266	addTestSuite(PropertyTest.class);
		267
		268	// org.eclipse.core.tests.databinding.validation
261	addTestSuite(MultiValidatorTest.class);	269	addTestSuite(MultiValidatorTest.class);
262	addTestSuite(ValidationStatusTest.class);	270	addTestSuite(ValidationStatusTest.class);
263		271
264	// org.eclipse.core.tests.internal.databinding	272	// org.eclipse.core.tests.internal.databinding
265	addTestSuite(BindingMessagesTest.class);	273	addTestSuite(BindingMessagesTest.class);
266	addTestSuite(BindingStatusTest.class);	274	addTestSuite(BindingStatusTest.class);
Lines 293-303 Link Here
293	addTestSuite(StringToNumberParserTest.class);	301	addTestSuite(StringToNumberParserTest.class);
294	addTestSuite(StringToShortConverterTest.class);	302	addTestSuite(StringToShortConverterTest.class);
295		303
296	//org.eclipse.core.tests.internal.databinding.internal.beans	304	// org.eclipse.core.tests.internal.databinding.internal.beans
297	addTest(BeanObservableListDecoratorTest.suite());	305	addTest(BeanObservableListDecoratorTest.suite());
298	addTestSuite(BeanObservableSetDecoratorTest.class);	306	addTestSuite(BeanObservableSetDecoratorTest.class);
299	addTestSuite(BeanObservableValueDecoratorTest.class);	307	addTestSuite(BeanObservableValueDecoratorTest.class);
300	addTestSuite(BeanObservableListDecoratorTest.class);	308	addTestSuite(BeanObservableListDecoratorTest.class);
		309	addTestSuite(BeanValuePropertyTest.class);
301	addTest(JavaBeanObservableArrayBasedListTest.suite());	310	addTest(JavaBeanObservableArrayBasedListTest.suite());
302	addTest(JavaBeanObservableArrayBasedSetTest.suite());	311	addTest(JavaBeanObservableArrayBasedSetTest.suite());
303	addTest(JavaBeanObservableListTest.suite());	312	addTest(JavaBeanObservableListTest.suite());
Lines 305-313 Link Here
305	addTest(JavaBeanObservableSetTest.suite());	314	addTest(JavaBeanObservableSetTest.suite());
306	addTest(JavaBeanObservableValueTest.suite());	315	addTest(JavaBeanObservableValueTest.suite());
307	addTestSuite(JavaBeanPropertyObservableMapTest.class);	316	addTestSuite(JavaBeanPropertyObservableMapTest.class);
308	addTestSuite(ListenerSupportTest.class);	317	addTestSuite(BeanPropertyListenerSupportTest.class);
309		318
310	//org.eclipse.core.tests.internal.databinding.observable	319	// org.eclipse.core.tests.internal.databinding.observable
311	addTest(ConstantObservableValueTest.suite());	320	addTest(ConstantObservableValueTest.suite());
312	addTest(DelayedObservableValueTest.suite());	321	addTest(DelayedObservableValueTest.suite());
313	addTest(EmptyObservableListTest.suite());	322	addTest(EmptyObservableListTest.suite());
Lines 320-327 Link Here
320	addTest(ValidatedObservableValueTest.suite());	329	addTest(ValidatedObservableValueTest.suite());
321	addTest(ValidatedObservableListTest.suite());	330	addTest(ValidatedObservableListTest.suite());
322	addTest(ValidatedObservableSetTest.suite());	331	addTest(ValidatedObservableSetTest.suite());
323	// addTest(ValidatedObservableMapTest.suite());	332	// addTest(ValidatedObservableMapTest.suite());
324		333
325	// org.eclipse.core.tests.internal.databinding.observable.masterdetail	334	// org.eclipse.core.tests.internal.databinding.observable.masterdetail
326	addTest(DetailObservableListTest.suite());	335	addTest(DetailObservableListTest.suite());
327	addTest(DetailObservableSetTest.suite());	336	addTest(DetailObservableSetTest.suite());
Lines 348-371 Link Here
348	addTest(BindingScenariosTestSuite.suite());	357	addTest(BindingScenariosTestSuite.suite());
349	// The files in this package are in the above test suite	358	// The files in this package are in the above test suite
350		359
351	//org.eclipse.jface.tests.databinding.swt	360	// org.eclipse.jface.tests.databinding.swt
352	addTestSuite(SWTObservablesTest.class);	361	addTestSuite(SWTObservablesTest.class);
353		362
354	// org.eclipse.jface.tests.databinding.viewers	363	// org.eclipse.jface.tests.databinding.viewers
355	addTestSuite(ObservableListTreeContentProviderTest.class);	364	addTestSuite(ObservableListTreeContentProviderTest.class);
356	addTestSuite(ObservableMapLabelProviderTest.class);	365	addTestSuite(ObservableMapLabelProviderTest.class);
357	addTestSuite(ObservableSetContentProviderTest.class);	366	addTestSuite(ObservableSetContentProviderTest.class);
358	addTestSuite(ObservableSetTreeContentProviderTest.class);	367	addTestSuite(ObservableSetTreeContentProviderTest.class);
359	addTestSuite(ViewersObservablesTest.class);	368	addTestSuite(ViewersObservablesTest.class);
360		369
361	// org.eclipse.jface.tests.databinding.wizard	370	// org.eclipse.jface.tests.databinding.wizard
362	addTestSuite(WizardPageSupportTest.class);	371	addTestSuite(WizardPageSupportTest.class);
363		372
364	//org.eclipse.jface.tests.example.databinding.mask.internal	373	// org.eclipse.jface.tests.example.databinding.mask.internal
365	addTestSuite(EditMaskLexerAndTokenTest.class);	374	addTestSuite(EditMaskLexerAndTokenTest.class);
366	addTestSuite(EditMaskParserTest.class);	375	addTestSuite(EditMaskParserTest.class);
367		376
368	//org.eclipse.jface.tests.internal.databinding.internal.swt	377	// org.eclipse.jface.tests.internal.databinding.internal.swt
369	addTest(ButtonObservableValueTest.suite());	378	addTest(ButtonObservableValueTest.suite());
370	addTestSuite(CComboObservableValueTest.class);	379	addTestSuite(CComboObservableValueTest.class);
371	addTest(CComboObservableValueSelectionTest.suite());	380	addTest(CComboObservableValueSelectionTest.suite());
Lines 378-408 Link Here
378	addTest(ComboObservableValueTextTest.suite());	387	addTest(ComboObservableValueTextTest.suite());
379	addTestSuite(ComboSingleSelectionObservableValueTest.class);	388	addTestSuite(ComboSingleSelectionObservableValueTest.class);
380	addTest(SWTDelayedObservableValueDecoratorTest.suite());	389	addTest(SWTDelayedObservableValueDecoratorTest.suite());
381		390
382	addTest(SWTObservableListTest.suite());
383
384	addTestSuite(ControlObservableValueTest.class);	391	addTestSuite(ControlObservableValueTest.class);
385	addTest(LabelObservableValueTest.suite());	392	addTest(LabelObservableValueTest.suite());
386	addTestSuite(ListSingleSelectionObservableValueTest.class);	393	addTestSuite(ListSingleSelectionObservableValueTest.class);
387	addTest(ScaleObservableValueMinTest.suite());	394	addTest(ScaleObservableValueMinTest.suite());
388	addTest(ScaleObservableValueMaxTest.suite());	395	addTest(ScaleObservableValueMaxTest.suite());
389	addTest(ScaleObservableValueSelectionTest.suite());	396	addTest(ScaleObservableValueSelectionTest.suite());
390		397
391	addTest(ShellObservableValueTest.suite());	398	addTest(ShellObservableValueTest.suite());
392		399
393	addTestSuite(SpinnerObservableValueTest.class);	400	addTestSuite(SpinnerObservableValueTest.class);
394	addTest(SpinnerObservableValueMinTest.suite());	401	addTest(SpinnerObservableValueMinTest.suite());
395	addTest(SpinnerObservableValueMaxTest.suite());	402	addTest(SpinnerObservableValueMaxTest.suite());
396	addTest(SpinnerObservableValueSelectionTest.suite());	403	addTest(SpinnerObservableValueSelectionTest.suite());
397		404
398	addTestSuite(TableObservableValueTest.class);	405	addTestSuite(TableObservableValueTest.class);
399	addTest(TableSingleSelectionObservableValueTest.suite());	406	addTest(TableSingleSelectionObservableValueTest.suite());
400	addTest(TextEditableObservableValueTest.suite());	407	addTest(TextEditableObservableValueTest.suite());
401	addTest(TextObservableValueFocusOutTest.suite());	408	addTest(TextObservableValueFocusOutTest.suite());
402	addTest(TextObservableValueModifyTest.suite());	409	addTest(TextObservableValueModifyTest.suite());
403	addTestSuite(TextObservableValueTest.class);	410	addTestSuite(TextObservableValueTest.class);
404		411	addTest(StyledTextObservableValueFocusOutTest.suite());
405	//org.eclipse.jface.tests.internal.databinding.internal.viewers	412	addTest(StyledTextObservableValueModifyTest.suite());
		413	addTestSuite(StyledTextObservableValueTest.class);
		414
		415	// org.eclipse.jface.tests.internal.databinding.internal.viewers
406	addTest(ObservableViewerElementSetTest.suite());	416	addTest(ObservableViewerElementSetTest.suite());
407	addTestSuite(ObservableCollectionTreeContentProviderTest.class);	417	addTestSuite(ObservableCollectionTreeContentProviderTest.class);
408	addTestSuite(SelectionProviderMultiSelectionObservableListTest.class);	418	addTestSuite(SelectionProviderMultiSelectionObservableListTest.class);

Lines 7-16 Link Here

(-)src/org/eclipse/core/tests/databinding/beans/PojoObservablesTest.java (-18 / +16 lines)
7	*	7	*
8	* Contributors:	8	* Contributors:
9	* IBM Corporation - initial API and implementation	9	* IBM Corporation - initial API and implementation
		10	* Matthew Hall - bug 194734
10	*******************************************************************************/	11	*******************************************************************************/
11		12
12	package org.eclipse.core.tests.databinding.beans;	13	package org.eclipse.core.tests.databinding.beans;
13		14
		15	import org.eclipse.core.databinding.beans.IBeanObservable;
14	import org.eclipse.core.databinding.beans.PojoObservables;	16	import org.eclipse.core.databinding.beans.PojoObservables;
15	import org.eclipse.core.databinding.observable.Realm;	17	import org.eclipse.core.databinding.observable.Realm;
16	import org.eclipse.core.databinding.observable.list.IObservableList;	18	import org.eclipse.core.databinding.observable.list.IObservableList;
Lines 19-28 Link Here
19	import org.eclipse.core.databinding.observable.set.IObservableSet;	21	import org.eclipse.core.databinding.observable.set.IObservableSet;
20	import org.eclipse.core.databinding.observable.set.WritableSet;	22	import org.eclipse.core.databinding.observable.set.WritableSet;
21	import org.eclipse.core.databinding.observable.value.IObservableValue;	23	import org.eclipse.core.databinding.observable.value.IObservableValue;
22	import org.eclipse.core.internal.databinding.beans.JavaBeanObservableList;
23	import org.eclipse.core.internal.databinding.beans.JavaBeanObservableMap;
24	import org.eclipse.core.internal.databinding.beans.JavaBeanObservableSet;
25	import org.eclipse.core.internal.databinding.beans.JavaBeanObservableValue;
26	import org.eclipse.core.tests.internal.databinding.beans.Bean;	24	import org.eclipse.core.tests.internal.databinding.beans.Bean;
27	import org.eclipse.jface.databinding.conformance.util.ChangeEventTracker;	25	import org.eclipse.jface.databinding.conformance.util.ChangeEventTracker;
28	import org.eclipse.jface.databinding.conformance.util.CurrentRealm;	26	import org.eclipse.jface.databinding.conformance.util.CurrentRealm;
Lines 47-58 Link Here
47	propertyName = "value";	45	propertyName = "value";
48	}	46	}
49		47
50	public void testObserveValue_ReturnsJavaBeanObservableValue()	48	public void testObserveValue_ReturnsIBeanObservable()
51	throws Exception {	49	throws Exception {
52	IObservableValue value = PojoObservables.observeValue(pojo, propertyName);	50	IObservableValue value = PojoObservables.observeValue(pojo, propertyName);
53		51
54	assertNotNull(value);	52	assertNotNull(value);
55	assertTrue(value instanceof JavaBeanObservableValue);	53	assertTrue(value instanceof IBeanObservable);
56	}	54	}
57		55
58	public void testObserveValue_DoesNotAttachListeners() throws Exception {	56	public void testObserveValue_DoesNotAttachListeners() throws Exception {
Lines 62-78 Link Here
62	assertFalse(pojo.hasListeners(propertyName));	60	assertFalse(pojo.hasListeners(propertyName));
63	}	61	}
64		62
65	public void testObservableValueWithRealm_ReturnsJavaBeanObservable()	63	public void testObservableValueWithRealm_ReturnsIBeanObservable()
66	throws Exception {	64	throws Exception {
67	CurrentRealm realm = new CurrentRealm(true);	65	CurrentRealm realm = new CurrentRealm(true);
68	IObservableValue value = PojoObservables.observeValue(realm, pojo,	66	IObservableValue value = PojoObservables.observeValue(realm, pojo,
69	propertyName);	67	propertyName);
70		68
71	assertNotNull(value);	69	assertNotNull(value);
72	assertTrue(value instanceof JavaBeanObservableValue);	70	assertTrue(value instanceof IBeanObservable);
73	}	71	}
74		72
75	public void testObservableMap_ReturnsJavaBeanObservableMap()	73	public void testObservableMap_ReturnsIBeanObservable()
76	throws Exception {	74	throws Exception {
77	IObservableSet set = new WritableSet();	75	IObservableSet set = new WritableSet();
78	set.add(new Bean());	76	set.add(new Bean());
Lines 80-86 Link Here
80	IObservableMap map = PojoObservables.observeMap(set, Bean.class,	78	IObservableMap map = PojoObservables.observeMap(set, Bean.class,
81	propertyName);	79	propertyName);
82	assertNotNull(map);	80	assertNotNull(map);
83	assertTrue(map instanceof JavaBeanObservableMap);	81	assertTrue(map instanceof IBeanObservable);
84	}	82	}
85		83
86	public void testObservableMap_DoesNotAttachListeners() throws Exception {	84	public void testObservableMap_DoesNotAttachListeners() throws Exception {
Lines 101-109 Link Here
101	assertEquals(2, maps.length);	99	assertEquals(2, maps.length);
102	}	100	}
103		101
104	public void testObserveListWithElementType_ReturnsJavaBeanObservableList() throws Exception {	102	public void testObserveListWithElementType_ReturnsIBeanObservable() throws Exception {
105	IObservableList list = PojoObservables.observeList(Realm.getDefault(), pojo, "list", String.class);	103	IObservableList list = PojoObservables.observeList(Realm.getDefault(), pojo, "list", String.class);
106	assertTrue(list instanceof JavaBeanObservableList);	104	assertTrue(list instanceof IBeanObservable);
107	}	105	}
108		106
109	public void testObserveListWithElementType_DoesNotAttachListeners() throws Exception {	107	public void testObserveListWithElementType_DoesNotAttachListeners() throws Exception {
Lines 113-121 Link Here
113	assertFalse(pojo.hasListeners("list"));	111	assertFalse(pojo.hasListeners("list"));
114	}	112	}
115		113
116	public void testObserveList_ReturnsJavaBeanObservableList() throws Exception {	114	public void testObserveList_ReturnsIBeanObservable() throws Exception {
117	IObservableList observable = PojoObservables.observeList(Realm.getDefault(), pojo, "list");	115	IObservableList observable = PojoObservables.observeList(Realm.getDefault(), pojo, "list");
118	assertTrue(observable instanceof JavaBeanObservableList);	116	assertTrue(observable instanceof IBeanObservable);
119	}	117	}
120		118
121	public void testObserveList_DoesNotAttachListeners() throws Exception {	119	public void testObserveList_DoesNotAttachListeners() throws Exception {
Lines 125-133 Link Here
125	assertFalse(pojo.hasListeners("list"));	123	assertFalse(pojo.hasListeners("list"));
126	}	124	}
127		125
128	public void testObserveSetWithElementType_ReturnsJavaBeanObservableList() throws Exception {	126	public void testObserveSetWithElementType_ReturnsIBeanObservable() throws Exception {
129	IObservableSet list = PojoObservables.observeSet(Realm.getDefault(), pojo, "set", String.class);	127	IObservableSet list = PojoObservables.observeSet(Realm.getDefault(), pojo, "set", String.class);
130	assertTrue(list instanceof JavaBeanObservableSet);	128	assertTrue(list instanceof IBeanObservable);
131	}	129	}
132		130
133	public void testObserveSetWithElementType_DoesNotAttachListeners() throws Exception {	131	public void testObserveSetWithElementType_DoesNotAttachListeners() throws Exception {
Lines 137-145 Link Here
137	assertFalse(pojo.hasListeners("set"));	135	assertFalse(pojo.hasListeners("set"));
138	}	136	}
139		137
140	public void testObserveSet_ReturnsJavaBeanObservableList() throws Exception {	138	public void testObserveSet_ReturnsIBeanObservable() throws Exception {
141	IObservableSet list = PojoObservables.observeSet(Realm.getDefault(), pojo, "set");	139	IObservableSet list = PojoObservables.observeSet(Realm.getDefault(), pojo, "set");
142	assertTrue(list instanceof JavaBeanObservableSet);	140	assertTrue(list instanceof IBeanObservable);
143	}	141	}
144		142
145	public void testObserveSet_DoesNotAttachListeners() throws Exception {	143	public void testObserveSet_DoesNotAttachListeners() throws Exception {

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(-)src/org/eclipse/jface/tests/internal/databinding/swt/StyledTextObservableValueFocusOutTest.java (+81 lines)
1	/*******************************************************************************
2	* Copyright (c) 2008 Code 9 Corporation and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* Code 9 Corporation - initial API and implementation
10	* Chris Aniszczyk <zx@code9.com> - bug 131435
11	* Matthew Hall - bug 194734
12	*******************************************************************************/
13
14	package org.eclipse.jface.tests.internal.databinding.swt;
15
16	import junit.framework.Test;
17	import junit.framework.TestCase;
18	import junit.framework.TestSuite;
19
20	import org.eclipse.core.databinding.observable.IObservable;
21	import org.eclipse.core.databinding.observable.Realm;
22	import org.eclipse.core.databinding.observable.value.IObservableValue;
23	import org.eclipse.core.databinding.property.PropertyObservables;
24	import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate;
25	import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest;
26	import org.eclipse.jface.databinding.swt.StyledTextProperties;
27	import org.eclipse.swt.SWT;
28	import org.eclipse.swt.custom.StyledText;
29	import org.eclipse.swt.widgets.Shell;
30
31	/**
32	* Tests for the FocusOut version of StyledTextObservableValue.
33	*/
34	public class StyledTextObservableValueFocusOutTest extends TestCase {
35	public static Test suite() {
36	TestSuite suite = new TestSuite(
37	StyledTextObservableValueFocusOutTest.class.toString());
38	suite.addTest(SWTMutableObservableValueContractTest
39	.suite(new Delegate()));
40	return suite;
41	}
42
43	/* package */static class Delegate extends
44	AbstractObservableValueContractDelegate {
45	private Shell shell;
46
47	private StyledText text;
48
49	public void setUp() {
50	shell = new Shell();
51	text = new StyledText(shell, SWT.NONE);
52	}
53
54	public void tearDown() {
55	shell.dispose();
56	}
57
58	public IObservableValue createObservableValue(Realm realm) {
59	return PropertyObservables.observeValue(realm, text,
60	StyledTextProperties.text(SWT.FocusOut));
61	}
62
63	public Object getValueType(IObservableValue observable) {
64	return String.class;
65	}
66
67	public void change(IObservable observable) {
68	text.setFocus();
69
70	IObservableValue observableValue = (IObservableValue) observable;
71	text.setText((String) createValue(observableValue));
72
73	text.notifyListeners(SWT.FocusOut, null);
74	}
75
76	public Object createValue(IObservableValue observable) {
77	String value = (String) observable.getValue();
78	return value + "a";
79	}
80	}
81	}

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(-)src/org/eclipse/core/tests/internal/databinding/beans/BeanValuePropertyTest.java (+49 lines)
1	/*******************************************************************************
2	* Copyright (c) 2008 IBM Corporation and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* IBM Corporation - initial API and implementation
10	******************************************************************************/
11
12	package org.eclipse.core.tests.internal.databinding.beans;
13
14	import org.eclipse.core.databinding.beans.BeanProperties;
15	import org.eclipse.core.databinding.property.value.IValueProperty;
16	import org.eclipse.core.databinding.property.value.IValuePropertyChangeListener;
17	import org.eclipse.core.databinding.property.value.ValuePropertyChangeEvent;
18	import org.eclipse.core.tests.internal.databinding.beans.BeanPropertyListenerSupportTest.GenericListenerBean;
19	import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;
20
21	/**
22	* @since 3.2
23	*
24	*/
25	public class BeanValuePropertyTest extends AbstractDefaultRealmTestCase {
26	public void testChangeListenerIsOnlyNotifiedWhenWatchedPropertyChanges()
27	throws Exception {
28	GenericListenerBean bean = new GenericListenerBean();
29	IValueProperty property = BeanProperties.valueProperty(
30	GenericListenerBean.class, "value");
31	class Listener implements IValuePropertyChangeListener {
32	private int count = 0;
33
34	public void handleValuePropertyChange(ValuePropertyChangeEvent event) {
35	count++;
36	}
37	}
38	Listener listener = new Listener();
39	property.hookListener(bean, listener);
40
41	assertEquals(0, listener.count);
42	bean.setValue("1");
43	assertEquals(1, listener.count);
44
45	bean.setOther("2");
46	assertEquals(1, listener.count);
47	}
48
49	}