Attachment 89488 Details for Bug 174739 – A test snippet

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A test snippet

Snippet027ComboBoxCellEditors.java (text/plain), 4.74 KB, created by Thomas Schindl

on 2008-02-12 07:35:37 EST

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Filename:

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Creator: Thomas Schindl

Created: 2008-02-12 07:35:37 EST

Size: 4.74 KB

patch

obsolete

>/*******************************************************************************
> * Copyright (c) 2006 Tom Schindl 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:
> *     Tom Schindl - initial API and implementation
> *     Dinko Ivanov - bug 164365
> *******************************************************************************/
>
>package org.eclipse.jface.snippets.viewers;
>
>import org.eclipse.jface.viewers.CellEditor;
>import org.eclipse.jface.viewers.ComboBoxCellEditor;
>import org.eclipse.jface.viewers.ICellModifier;
>import org.eclipse.jface.viewers.IStructuredContentProvider;
>import org.eclipse.jface.viewers.LabelProvider;
>import org.eclipse.jface.viewers.TableViewer;
>import org.eclipse.jface.viewers.Viewer;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.swt.widgets.Table;
>import org.eclipse.swt.widgets.TableColumn;
>import org.eclipse.swt.widgets.TableItem;
>
>/**
> * This snippet represents usage of the ComboBoxCell-Editor
> *
> * @author Tom Schindl <tom.schindl@bestsolution.at>
> *
> */
>public class Snippet027ComboBoxCellEditors {
>	private class MyCellModifier implements ICellModifier {
>
>		private TableViewer viewer;
>
>		public MyCellModifier(TableViewer viewer) {
>			this.viewer = viewer;
>		}
>
>		/*
>		 * (non-Javadoc)
>		 *
>		 * @see org.eclipse.jface.viewers.ICellModifier#canModify(java.lang.Object,
>		 *      java.lang.String)
>		 */
>		public boolean canModify(Object element, String property) {
>			return true;
>		}
>
>		/*
>		 * (non-Javadoc)
>		 *
>		 * @see org.eclipse.jface.viewers.ICellModifier#getValue(java.lang.Object,
>		 *      java.lang.String)
>		 */
>		public Object getValue(Object element, String property) {
>			// We need to calculate back to the index
>			return new Integer(((MyModel) element).counter / 10);
>		}
>
>		/*
>		 * (non-Javadoc)
>		 *
>		 * @see org.eclipse.jface.viewers.ICellModifier#modify(java.lang.Object,
>		 *      java.lang.String, java.lang.Object)
>		 */
>		public void modify(Object element, String property, Object value) {
>			TableItem item = (TableItem) element;
>			// We get the index and need to calculate the real value
>			((MyModel) item.getData()).counter = ((Integer) value).intValue() * 10;
>			viewer.update(item.getData(), null);
>		}
>	}
>
>	private class MyContentProvider implements IStructuredContentProvider {
>
>		/*
>		 * (non-Javadoc)
>		 *
>		 * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
>		 */
>		public Object[] getElements(Object inputElement) {
>			return (MyModel[]) inputElement;
>		}
>
>		/*
>		 * (non-Javadoc)
>		 *
>		 * @see org.eclipse.jface.viewers.IContentProvider#dispose()
>		 */
>		public void dispose() {
>
>		}
>
>		/*
>		 * (non-Javadoc)
>		 *
>		 * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer,
>		 *      java.lang.Object, java.lang.Object)
>		 */
>		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
>
>		}
>
>	}
>
>	public class MyModel {
>		public int counter;
>
>		public MyModel(int counter) {
>			this.counter = counter;
>		}
>
>		public String toString() {
>			return "Item " + this.counter;
>		}
>	}
>
>	public Snippet027ComboBoxCellEditors(Shell shell) {
>		final Table table = new Table(shell, SWT.BORDER | SWT.FULL_SELECTION);
>		final TableViewer v = new TableViewer(table);
>		final MyCellModifier modifier = new MyCellModifier(v);
>
>		TableColumn column = new TableColumn(table, SWT.NONE);
>		column.setWidth(200);
>
>		v.setLabelProvider(new LabelProvider());
>		v.setContentProvider(new MyContentProvider());
>		v.setCellModifier(modifier);
>		v.setColumnProperties(new String[] { "column1" });
>		ComboBoxCellEditor cs = new ComboBoxCellEditor(
>				v.getTable(), new String[] { "Zero", "Ten", "Twenty", "Thirty",
>						"Fourty", "Fifty", "Sixty", "Seventy", "Eighty",
>						"Ninety" });
>		cs.setActivationStyle(ComboBoxCellEditor.DROP_DOWN_ON_MOUSE_ACTIVATION);
>		v.setCellEditors(new CellEditor[] { cs });
>
>		MyModel[] model = createModel();
>		v.setInput(model);
>		v.getTable().setLinesVisible(true);
>	}
>
>	private MyModel[] createModel() {
>		MyModel[] elements = new MyModel[10];
>
>		for (int i = 0; i < 10; i++) {
>			elements[i] = new MyModel(i * 10);
>		}
>
>		return elements;
>	}
>
>	/**
>	 * @param args
>	 */
>	public static void main(String[] args) {
>		Display display = new Display();
>		Shell shell = new Shell(display);
>		shell.setLayout(new FillLayout());
>		new Snippet027ComboBoxCellEditors(shell);
>		shell.open();
>
>		while (!shell.isDisposed()) {
>			if (!display.readAndDispatch())
>				display.sleep();
>		}
>
>		display.dispose();
>
>	}
>
>}

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Attachments on bug 174739: 89487 | 89488 | 89489 | 89490