* <strong> It has been replaced in 3.6 by API:

	 * {@link PreferenceConstants#PREF_DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS}</strong>

	 * Check whether the given super class name matches the given default type.

	 *

	 * @param superClass the super class name

	 * @param defaultTypeOrMember the default type or member from the default list

	 *

	 * @return <code>true</code> if super class matches with the given type , <code>false></code> otherwise

	 * @since 3.6

	 */

	private static boolean checkSuperClassMatch(String superClass, String defaultTypeOrMember) {

		if (defaultTypeOrMember.endsWith(".*")){ //$NON-NLS-1$

			defaultTypeOrMember= defaultTypeOrMember.substring(0, defaultTypeOrMember.length() - 2);

		}

		return (superClass != null && typeNameMatches(superClass, defaultTypeOrMember));

	}

	/**

	public static String ExpandWithConstructorsConfigurationBlock_description;

	public static String ExpandWithConstructorsConfigurationBlock_newType_button;

	public static String ExpandWithConstructorsConfigurationBlock_newMember_button;

	public static String ExpandWithConstructorsConfigurationBlock_edit_button;

	public static String ExpandWithConstructorsConfigurationBlock_remove_button;

	public static String ExpandWithConstructorsConfigurationBlock_restoreDefaults_button;

	public static String CallHierarchyTypesOrMembersDialog_member_title;

	public static String CallHierarchyTypesOrMembersDialog_member_labelText;

	public static String CallHierarchyTypesOrMembersDialog_type_title;

	public static String CallHierarchyTypesOrMembersDialog_type_labelText;

	public static String CallHierarchyTypesOrMembersDialog_browse_button;

	public static String CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_title;

	public static String CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_description;

	public static String CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_error_message;

	public static String CallHierarchyTypesOrMembersDialog_error_enterName;

	public static String CallHierarchyTypesOrMembersDialog_error_invalidMemberName;

	public static String CallHierarchyTypesOrMembersDialog_error_invalidTypeName;

	public static String CallHierarchyTypesOrMembersDialog_error_entryExists;

	public static String CallHierarchyTypesOrMembersDialog_anonymousTypes_label;

/*******************************************************************************

 * Copyright (c) 2009 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

 *

 *******************************************************************************/

package org.eclipse.jdt.internal.ui.callhierarchy;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.graphics.Image;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.swt.widgets.Text;

import org.eclipse.core.runtime.Assert;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.jface.dialogs.Dialog;

import org.eclipse.jface.dialogs.StatusDialog;

import org.eclipse.jface.layout.PixelConverter;

import org.eclipse.jface.operation.IRunnableContext;

import org.eclipse.jface.viewers.LabelProvider;

import org.eclipse.jface.viewers.ViewerComparator;

import org.eclipse.jface.window.Window;

import org.eclipse.ui.PlatformUI;

import org.eclipse.ui.dialogs.SelectionDialog;

import org.eclipse.ui.preferences.IWorkbenchPreferenceContainer;

import org.eclipse.jdt.core.IType;

import org.eclipse.jdt.core.JavaConventions;

import org.eclipse.jdt.core.JavaCore;

import org.eclipse.jdt.core.JavaModelException;

import org.eclipse.jdt.core.search.IJavaSearchScope;

import org.eclipse.jdt.core.search.SearchEngine;

import org.eclipse.jdt.ui.IJavaElementSearchConstants;

import org.eclipse.jdt.ui.JavaUI;

import org.eclipse.jdt.ui.PreferenceConstants;

import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;

import org.eclipse.jdt.internal.ui.JavaPluginImages;

import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;

import org.eclipse.jdt.internal.ui.dialogs.TextFieldNavigationHandler;

import org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock;

import org.eclipse.jdt.internal.ui.util.BusyIndicatorRunnableContext;

import org.eclipse.jdt.internal.ui.util.ExceptionHandler;

import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels;

import org.eclipse.jdt.internal.ui.viewsupport.JavaElementImageProvider;

import org.eclipse.jdt.internal.ui.wizards.IStatusChangeListener;

import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField;

import org.eclipse.jdt.internal.ui.wizards.dialogfields.IDialogFieldListener;

import org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter;

import org.eclipse.jdt.internal.ui.wizards.dialogfields.IStringButtonAdapter;

import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil;

import org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField;

import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringButtonDialogField;

/**

 * Call hierarchy expand with constructors configuration block.

 *

 * @since 3.6

 */

public class ExpandWithConstructorsConfigurationBlock extends OptionsConfigurationBlock {

	/**

	 * Call hierarchy expand with constructors dialog for types and members.

	 */

	private static class CallHierarchyTypesOrMembersDialog extends StatusDialog {

		/**

		 * The change listener class for the dialog field and the string button dialog field.

		 *

		 */

		private class StringButtonAdapter implements IDialogFieldListener, IStringButtonAdapter {

			/*

			 * @see IDialogFieldListener#dialogFieldChanged(DialogField)

			 */

			public void dialogFieldChanged(DialogField field) {

				doValidation();

			}

			/*

			 * @see IStringButtonAdapter#changeControlPressed(DialogField)

			 */

			public void changeControlPressed(DialogField field) {

				doBrowseTypes();

			}

		}

		/**

		 * The name dialog field to hold the default expand with constructors list.

		 */

		private StringButtonDialogField fNameDialogField;

		/**

		 * The list of previously existing entries.

		 */

		private List fExistingEntries;

		/**

		 * Tells whether it is an member or type.

		 */

		private final boolean fIsEditingMember;

		/**

		 * Creates a call hierarchy preference dialog for members or types.

		 *

		 * @param parent the parent shell

		 * @param existingEntries the existing list of types and members

		 * @param isEditingMember <code>true</code if its a member, <code>false</code> otherwise

		 */

		public CallHierarchyTypesOrMembersDialog(Shell parent, List existingEntries, boolean isEditingMember) {

			super(parent);

			fIsEditingMember= isEditingMember;

			fExistingEntries= existingEntries;

			String label, title;

			if (isEditingMember) {

				title= CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_member_title;

				label= CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_member_labelText;

			} else {

				title= CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_type_title;

				label= CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_type_labelText;

			}

			setTitle(title);

			StringButtonAdapter adapter= new StringButtonAdapter();

			fNameDialogField= new StringButtonDialogField(adapter);

			fNameDialogField.setLabelText(label);

			fNameDialogField.setButtonLabel(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_browse_button);

			fNameDialogField.setDialogFieldListener(adapter);

			fNameDialogField.setText(""); //$NON-NLS-1$

		}

		/*

		 * @see org.eclipse.jface.dialogs.Dialog#isResizable()		 *

		 */

		protected boolean isResizable() {

			return true;

		}

		/**

		 * Sets the initial selection in the name dialog field.

		 *

		 * @param editedEntry the edited entry

		 */

		public void setInitialSelection(String editedEntry) {

			Assert.isNotNull(editedEntry);

			if (editedEntry.length() == 0)

				fNameDialogField.setText(""); //$NON-NLS-1$

			else

				fNameDialogField.setText(editedEntry);

		}

		/**

		 * Returns the resulting text from the name dialog field.

		 *

		 * @return the resulting text from the name dialog field

		 */

		public String getResult() {

			String val= fNameDialogField.getText();

			if (!fIsEditingMember)

				val= val + WILDCARD;

			return val;

		}

		/*

		 * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)

		 */

		protected Control createDialogArea(Composite parent) {

			Composite composite= (Composite)super.createDialogArea(parent);

			initializeDialogUnits(composite);

			GridLayout layout= (GridLayout)composite.getLayout();

			layout.numColumns= 2;

			fNameDialogField.doFillIntoGrid(composite, 3);

			fNameDialogField.getChangeControl(null).setVisible(!fIsEditingMember);

			LayoutUtil.setHorizontalSpan(fNameDialogField.getLabelControl(null), 2);

			int fieldWidthHint= convertWidthInCharsToPixels(60);

			Text text= fNameDialogField.getTextControl(null);

			LayoutUtil.setWidthHint(text, fieldWidthHint);

			LayoutUtil.setHorizontalGrabbing(text);

			LayoutUtil.setHorizontalSpan(text, fIsEditingMember ? 2 : 1);

			TextFieldNavigationHandler.install(text);

			DialogField.createEmptySpace(composite, 1);

			fNameDialogField.postSetFocusOnDialogField(parent.getDisplay());

			applyDialogFont(composite);

			return composite;

		}

		/**

		 * Creates the type hierarchy for type selection.

		 */

		private void doBrowseTypes() {

			IRunnableContext context= new BusyIndicatorRunnableContext();

			IJavaSearchScope scope= SearchEngine.createWorkspaceScope();

			int style= IJavaElementSearchConstants.CONSIDER_ALL_TYPES;

			try {

				SelectionDialog dialog= JavaUI.createTypeDialog(getShell(), context, scope, style, false, fNameDialogField.getText());

				dialog.setTitle(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_title);

				dialog.setMessage(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_description);

				if (dialog.open() == Window.OK) {

					IType res= (IType)dialog.getResult()[0];

					fNameDialogField.setText(res.getFullyQualifiedName('.'));

				}

			} catch (JavaModelException e) {

				ExceptionHandler.handle(e, getShell(), CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_title,

						CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_ChooseTypeDialog_error_message);

			}

		}

		/**

		 * Validates the entered type or member and updates the status.

		 */

		private void doValidation() {

			StatusInfo status= new StatusInfo();

			String newText= fNameDialogField.getText();

			if (newText.length() == 0) {

				status.setError(""); //$NON-NLS-1$

			} else {

				IStatus val= JavaConventions.validateJavaTypeName(newText, JavaCore.VERSION_1_3, JavaCore.VERSION_1_3);

				if (val.matches(IStatus.ERROR)) {

					if (fIsEditingMember)

						status.setError(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_error_invalidMemberName);

					else

						status.setError(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_error_invalidTypeName);

				} else {

					if (doesExist(newText)) {

						status.setError(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_error_entryExists);

					}

				}

			}

			updateStatus(status);

		}

		/**

		 * Checks if the entry already exists.

		 *

		 * @param name the type or member name

		 * @return <code>true</code> if it already exists in the list of types and members,

		 *         <code>false</code> otherwise

		 */

		private boolean doesExist(String name) {

			for (int i= 0; i < fExistingEntries.size(); i++) {

				String entry= (String)fExistingEntries.get(i);

				if (name.equals(entry)) {

					return true;

				}

			}

			return false;

		}

		/*

		 * @see org.eclipse.jface.window.Window#configureShell(Shell)

		 */

		protected void configureShell(Shell newShell) {

			super.configureShell(newShell);

			PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJavaHelpContextIds.CALL_HIERARCHY_EXPAND_WITH_CONSTRUCTORS_DIALOG);

		}

	}

	/*

	 * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#performOk()

	 */

	public boolean performOk() {

		setValue(ANONYMOUS_EXPAND_WITH_CONSTRUCTORS, fIsAnonymous);

		return super.performOk();

	}

	/**

	 * The list label provider class.

	 */

	private static class ListLabelProvider extends LabelProvider {

		public final Image MEMBER_ICON;

		private final Image CLASS_ICON;

		/**

		 * Create the member and class icons.

		 */

		public ListLabelProvider() {

			MEMBER_ICON= JavaElementImageProvider.getDecoratedImage(JavaPluginImages.DESC_MISC_PUBLIC, 0, JavaElementImageProvider.SMALL_SIZE);

			CLASS_ICON= JavaElementImageProvider.getDecoratedImage(JavaPluginImages.DESC_OBJS_CLASS, 0, JavaElementImageProvider.SMALL_SIZE);

		}

		/*

		 * @see org.eclipse.jface.viewers.LabelProvider#getImage(java.lang.Object)

		 */

		public Image getImage(Object element) {

			return ((String)element).endsWith(WILDCARD) ? CLASS_ICON : MEMBER_ICON;

		}

		/*

		 * @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)

		 */

		public String getText(Object element) {

			return BasicElementLabels.getJavaElementName((String)element);

		}

	}

	/**

	 * The change listener for <code>ListDialogField</code>.

	 */

	private class ListAdapter implements IListAdapter, IDialogFieldListener {

		/**

		 * Checks if field can be edited.

		 *

		 * @param field the list dialog field

		 * @return <code>true</code> if it can be edited, <code>false</code> otherwise

		 */

		private boolean canEdit(ListDialogField field) {

			List selected= field.getSelectedElements();

			return selected.size() == 1;

		}

		/*

		 * @see org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter#customButtonPressed(org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField, int)

		 */

		public void customButtonPressed(ListDialogField field, int index) {

			doButtonPressed(index);

		}

		/*

		 * @see org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter#selectionChanged(org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField)

		 */

		public void selectionChanged(ListDialogField field) {

			fList.enableButton(IDX_EDIT, canEdit(field));

			fList.enableButton(IDX_REMOVE, canRemove(field));

		}

		/**

		 * Checks if the field can be removed.

		 *

		 * @param field the list dialog field

		 * @return <code>true</code> if it can be removed, <code>false</code> otherwise

		 */

		private boolean canRemove(ListDialogField field) {

			List selected= field.getSelectedElements();

			return selected.size() != 0;

		}

		/* )

		 * @see org.eclipse.jdt.internal.ui.wizards.dialogfields.IDialogFieldListener#dialogFieldChanged(org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField)

		 */

		public void dialogFieldChanged(DialogField field) {

			doDialogFieldChanged(field);

		}

		/*

		 * @see org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter#doubleClicked(org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField)

		 */

		public void doubleClicked(ListDialogField field) {

			if (canEdit(field)) {

				doButtonPressed(IDX_EDIT);

			}

		}

	}

	private static final String WILDCARD= ".*"; //$NON-NLS-1$

	private static final int IDX_NEW_TYPE= 0;

	private static final int IDX_NEW_MEMBER= 1;

	private static final int IDX_EDIT= 2;

	private static final int IDX_REMOVE= 3;

	private static final int IDX_RESTORE_DEFAULTS= 4;

	private ListDialogField fList;

	private Button fAnonymousButton;

	protected boolean fIsAnonymous;

	/**

	 * A key that holds the list of methods or types whose methods are by default expanded with constructors in the Call Hierarchy.

	 */

	private static Key DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS= getJDTUIKey(PreferenceConstants.PREF_DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS);

	/**

	 * A key that controls whether the methods from anonymous types are by default expanded with constructors in the Call Hierarchy.

	 */

	private static Key ANONYMOUS_EXPAND_WITH_CONSTRUCTORS= getJDTUIKey(PreferenceConstants.PREF_ANONYMOUS_EXPAND_WITH_CONSTRUCTORS);

	/**

	 * Returns all the key values.

	 *

	 * @return array of keys

	 */

	public static Key[] getAllKeys() {

		return new Key[] { DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS, ANONYMOUS_EXPAND_WITH_CONSTRUCTORS };

	}

	/**

	 * Creates the call hierarchy preferences configuration block.

	 *

	 * @param context the status

	 * @param container the preference container

	 */

	public ExpandWithConstructorsConfigurationBlock(IStatusChangeListener context, IWorkbenchPreferenceContainer container) {

		super(context, null, getAllKeys(), container);

	}

	/*

	 * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#createContents(org.eclipse.swt.widgets.Composite)

	 */

	protected Control createContents(Composite parent) {

		Composite control= new Composite(parent, SWT.NONE);

		GridLayout layout= new GridLayout();

		layout.numColumns= 2;

		layout.marginWidth= 10;

		layout.marginHeight= 10;

		control.setLayout(layout);

		createPreferenceList(control);

		fAnonymousButton= new Button(control, SWT.CHECK);

		fAnonymousButton.setText(CallHierarchyMessages.CallHierarchyTypesOrMembersDialog_anonymousTypes_label);

		fIsAnonymous= getBooleanValue(ANONYMOUS_EXPAND_WITH_CONSTRUCTORS);

		fAnonymousButton.setSelection(fIsAnonymous);

		fAnonymousButton.setLayoutData(new GridData(SWT.LEAD, SWT.TOP, false, false));

		fAnonymousButton.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e) {

				fIsAnonymous= fAnonymousButton.getSelection();

			}

		});

		initialize();

		Dialog.applyDialogFont(control);

		return control;

	}

	/**

	 * Create a list dialog field.

	 *

	 * @param parent the composite

	 */

	private void createPreferenceList(Composite parent) {

		String[] buttonLabels= new String[] {

				CallHierarchyMessages.ExpandWithConstructorsConfigurationBlock_newType_button,

				CallHierarchyMessages.ExpandWithConstructorsConfigurationBlock_newMember_button,

				CallHierarchyMessages.ExpandWithConstructorsConfigurationBlock_edit_button,

				CallHierarchyMessages.ExpandWithConstructorsConfigurationBlock_remove_button,

				CallHierarchyMessages.ExpandWithConstructorsConfigurationBlock_restoreDefaults_button

		};

		ListAdapter adapter= new ListAdapter();

		fList= new ListDialogField(adapter, buttonLabels, new ListLabelProvider());

		fList.setDialogFieldListener(adapter);

		fList.setLabelText(CallHierarchyMessages.ExpandWithConstructorsConfigurationBlock_description);

		fList.setRemoveButtonIndex(IDX_REMOVE);

		fList.enableButton(IDX_EDIT, false);

		fList.setViewerComparator(new ViewerComparator());

		PixelConverter pixelConverter= new PixelConverter(parent);

		fList.doFillIntoGrid(parent, 3);

		LayoutUtil.setHorizontalSpan(fList.getLabelControl(null), 2);

		LayoutUtil.setWidthHint(fList.getLabelControl(null), pixelConverter.convertWidthInCharsToPixels(60));

		LayoutUtil.setHorizontalGrabbing(fList.getListControl(null));

		Control listControl= fList.getListControl(null);

		GridData gd= (GridData)listControl.getLayoutData();

		gd.verticalAlignment= GridData.FILL;

		gd.grabExcessVerticalSpace= true;

		gd.heightHint= pixelConverter.convertHeightInCharsToPixels(10);

	}

	/**

	 * Initialize the elements of the list dialog field.

	 */

	public void initialize() {

		initializeFields();

	}

	/**

	 * Initialize the elements of the list dialog field.

	 */

	private void initializeFields() {

		List storedPreference= new ArrayList();

		storedPreference.addAll(Arrays.asList(getDefaultExpandWithConstructorsMembers()));

		fList.setElements(storedPreference);

	}

	/*

	 * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#performDefaults()

	 */

	public void performDefaults() {

		String str= PreferenceConstants.getPreferenceStore().getDefaultString(PreferenceConstants.PREF_DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS);

		fList.setElements(Arrays.asList(deserializeMembers(str)));

		fIsAnonymous= PreferenceConstants.getPreferenceStore().getDefaultBoolean(PreferenceConstants.PREF_ANONYMOUS_EXPAND_WITH_CONSTRUCTORS);

		fAnonymousButton.setSelection(fIsAnonymous);

		super.performDefaults();

	}

	/*

	 * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#getFullBuildDialogStrings(boolean)

	 */

	protected String[] getFullBuildDialogStrings(boolean workspaceSettings) {

		return null;

	}

	/*

	 * @see org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock#validateSettings(org.eclipse.jdt.internal.ui.preferences.OptionsConfigurationBlock.Key, java.lang.String, java.lang.String)

	 */

	protected void validateSettings(Key changedKey, String oldValue, String newValue) {

	}

	/**

	 * Perform the 'New' and 'Edit' button operations by opening the respective call hierarchy

	 * preferences dialog, and 'Restore Defaults' button by restoring to default values for the list dialog.

	 *

	 * @param index the index of the button

	 */

	private void doButtonPressed(int index) {

		if (index == IDX_NEW_TYPE || index == IDX_NEW_MEMBER) { // add new

			List existing= fList.getElements();

			CallHierarchyTypesOrMembersDialog dialog= new CallHierarchyTypesOrMembersDialog(getShell(), existing, index == IDX_NEW_MEMBER);

			if (dialog.open() == Window.OK) {

				fList.addElement(dialog.getResult());

			}

		} else if (index == IDX_EDIT) { // edit

			List selected= fList.getSelectedElements();

			if (selected.isEmpty())

				return;

			String editedEntry= (String)selected.get(0);

			List existing= fList.getElements();

			existing.remove(editedEntry);

			boolean isType= editedEntry.endsWith(WILDCARD);

			CallHierarchyTypesOrMembersDialog dialog= new CallHierarchyTypesOrMembersDialog(getShell(), existing, !isType);

			if (isType)

				dialog.setInitialSelection(editedEntry.substring(0, editedEntry.length() - 2));

			else

				dialog.setInitialSelection(editedEntry);

			if (dialog.open() == Window.OK) {

				fList.replaceElement(editedEntry, dialog.getResult());

			}

		} else if (index == IDX_RESTORE_DEFAULTS){

			performDefaults();

		}

	}

	/**

	 * Update the key on dialog field change.

	 *

	 * @param field the dialog field

	 */

	protected final void doDialogFieldChanged(DialogField field) {

		// set values in working copy

		if (field == fList) {

			setValue(DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS, serializeMembers(fList.getElements()));

		}

	}

	/**

	 * Returns the array of strings containing the types or methods for default expand with constructors.

	 *

	 * @return the array of strings containing the types or methods for default expand with constructors

	 */

	private String[] getDefaultExpandWithConstructorsMembers() {

		String str= getValue(DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS);

		if (str != null && str.length() > 0) {

			return deserializeMembers(str);

		}

		return new String[0];

	}

	/**

	 * Return the array of types and/or methods after splitting the stored preference string.

	 *

	 * @param str the input string

	 * @return the array of types and/or methods

	 */

	private static String[] deserializeMembers(String str) {

		return str.split(";"); //$NON-NLS-1$

	}

	/**

	 * Creates a single output string from the list of strings using a delimiter.

	 * 

	 * @param list the input list of types and/or methods

	 * @return the single output string from the list of strings using a delimiter

	 */

	public static String serializeMembers(List list) {

		int size= list.size();

		StringBuffer buf= new StringBuffer();

		for (int i= 0; i < size; i++) {

			buf.append((String)list.get(i));

			if (i < size - 1)

				buf.append(';');

		}

		return buf.toString();

	}

}

import java.util.Arrays;

import org.eclipse.jdt.internal.ui.callhierarchy.ExpandWithConstructorsConfigurationBlock;

	/**

	 * A named preference that holds the methods or types whose methods are by default expanded with

	 * constructors in the Call Hierarchy.

	 * <p>

	 * Value is of type <code>String</code>: semicolon separated list of fully qualified type names

	 * appended with ".*" or method names.

	 * </p>

	 * 

	 * 

	 * @since 3.6

	 */

	public static final String PREF_DEFAULT_EXPAND_WITH_CONSTRUCTORS_MEMBERS= "CallHierarchy.defaultExpandWithConstructorsMembers"; //$NON-NLS-1$

	/**

	 * A named preference that controls whether methods from anonymous types are by default expanded

	 * with constructors in the Call Hierarchy.

	 * <p>

	 * Value is of type <code>Boolean</code>.

	 * </p>

	 * 

	 * 

	 * @since 3.6

	 */

	public static final String PREF_ANONYMOUS_EXPAND_WITH_CONSTRUCTORS= "CallHierarchy.anonymousExpandWithConstructors"; //$NON-NLS-1$