org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/OccurrencesSearchGroup.java - jdt/eclipse.jdt.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 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
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.jdt.ui.actions;

 import org.eclipse.core.runtime.Assert;

 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.action.IMenuListener;
 import org.eclipse.jface.action.IMenuManager;
 import org.eclipse.jface.action.MenuManager;
 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.text.IDocument;
 import org.eclipse.jface.text.ITextSelection;

 import org.eclipse.ui.IActionBars;
 import org.eclipse.ui.IWorkbenchSite;
 import org.eclipse.ui.actions.ActionGroup;

 import org.eclipse.ui.texteditor.ITextEditorActionConstants;

 import org.eclipse.jdt.core.ITypeRoot;

 import org.eclipse.jdt.ui.IContextMenuConstants;
 import org.eclipse.jdt.ui.JavaUI;

 import org.eclipse.jdt.internal.ui.actions.SelectionConverter;
 import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
 import org.eclipse.jdt.internal.ui.javaeditor.JavaTextSelection;
 import org.eclipse.jdt.internal.ui.search.SearchMessages;

 /**
  * Action group that adds the occurrences in file actions
  * to a context menu and the global menu bar.
  *
  * <p>
  * This class may be instantiated; it is not intended to be subclassed.
  * </p>
  *
  * @since 3.1
  *
  * @noextend This class is not intended to be subclassed by clients.
  */
 public class OccurrencesSearchGroup extends ActionGroup  {

 	private IWorkbenchSite fSite;
 	private JavaEditor fEditor;
 	private IActionBars fActionBars;

 	private String fGroupId;

 	private FindOccurrencesInFileAction fOccurrencesInFileAction;
 	private FindExceptionOccurrencesAction fExceptionOccurrencesAction;
 	private FindImplementOccurrencesAction fFindImplementorOccurrencesAction;
 	private FindBreakContinueTargetOccurrencesAction fBreakContinueTargetOccurrencesAction;
 	private FindMethodExitOccurrencesAction fMethodExitOccurrencesAction;

 	/**
 	 * Creates a new <code>ImplementorsSearchGroup</code>. The group
 	 * requires that the selection provided by the site's selection provider
 	 * is of type <code>org.eclipse.jface.viewers.IStructuredSelection</code>.
 	 *
 	 * @param site the view part that owns this action group
 	 */
 	public OccurrencesSearchGroup(IWorkbenchSite site) {
 		this(site, null);
 	}

 	/**
 	 * Creates a new <code>OccurrencesSearchGroup</code>. The group requires
 	 * that the selection provided by the given selection provider is of type
 	 * {@link IStructuredSelection}.
 	 *
 	 * @param site the site that will own the action group.
 	 * @param specialSelectionProvider the selection provider used instead of the
 	 *  sites selection provider.
 	 *
 	 * @since 3.4
 	 */
 	public OccurrencesSearchGroup(IWorkbenchSite site, ISelectionProvider specialSelectionProvider) {
 		fSite= site;
 		fGroupId= IContextMenuConstants.GROUP_SEARCH;

 		fOccurrencesInFileAction= new FindOccurrencesInFileAction(site);
 		fOccurrencesInFileAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_OCCURRENCES_IN_FILE);
 		// Need to reset the label
 		fOccurrencesInFileAction.setText(SearchMessages.Search_FindOccurrencesInFile_shortLabel);

 		fExceptionOccurrencesAction= new FindExceptionOccurrencesAction(site);
 		fExceptionOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_EXCEPTION_OCCURRENCES_IN_FILE);

 		fFindImplementorOccurrencesAction= new FindImplementOccurrencesAction(site);
 		fFindImplementorOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_IMPLEMENT_OCCURRENCES_IN_FILE);

 		fBreakContinueTargetOccurrencesAction= new FindBreakContinueTargetOccurrencesAction(site);
 		fBreakContinueTargetOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_BREAK_CONTINUE_TARGET_OCCURRENCES);

 		fMethodExitOccurrencesAction= new FindMethodExitOccurrencesAction(site);
 		fMethodExitOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_METHOD_EXIT_OCCURRENCES);


 		// register the actions as selection listeners
 		ISelectionProvider provider= specialSelectionProvider == null ? fSite.getSelectionProvider() : specialSelectionProvider;
 		ISelection selection= provider.getSelection();
 		registerAction(fOccurrencesInFileAction, provider, selection, specialSelectionProvider);
 		registerAction(fExceptionOccurrencesAction, provider, selection, specialSelectionProvider);
 		registerAction(fFindImplementorOccurrencesAction, provider, selection, specialSelectionProvider);
 		registerAction(fBreakContinueTargetOccurrencesAction, provider, selection, specialSelectionProvider);
 		registerAction(fMethodExitOccurrencesAction, provider, selection, specialSelectionProvider);
 	}

 	/**
 	 * Note: This constructor is for internal use only. Clients should not call this constructor.
 	 *
 	 * @param editor the Java editor
 	 *
 	 * @noreference This constructor is not intended to be referenced by clients.
 	 */
 	public OccurrencesSearchGroup(JavaEditor editor) {
 		fEditor= editor;
 		fSite= fEditor.getSite();
 		fGroupId= ITextEditorActionConstants.GROUP_FIND;

 		fOccurrencesInFileAction= new FindOccurrencesInFileAction(fEditor);
 		fOccurrencesInFileAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_OCCURRENCES_IN_FILE);
 		// Need to reset the label
 		fOccurrencesInFileAction.setText(SearchMessages.Search_FindOccurrencesInFile_shortLabel);
 		fEditor.setAction("SearchOccurrencesInFile", fOccurrencesInFileAction); //$NON-NLS-1$

 		fExceptionOccurrencesAction= new FindExceptionOccurrencesAction(fEditor);
 		fExceptionOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_EXCEPTION_OCCURRENCES_IN_FILE);
 		fEditor.setAction("SearchExceptionOccurrences", fExceptionOccurrencesAction); //$NON-NLS-1$

 		fFindImplementorOccurrencesAction= new FindImplementOccurrencesAction(fEditor);
 		fFindImplementorOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_IMPLEMENT_OCCURRENCES_IN_FILE);
 		fEditor.setAction("SearchImplementOccurrences", fFindImplementorOccurrencesAction); //$NON-NLS-1$

 		fBreakContinueTargetOccurrencesAction= new FindBreakContinueTargetOccurrencesAction(fEditor);
 		fBreakContinueTargetOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_BREAK_CONTINUE_TARGET_OCCURRENCES);
 		fEditor.setAction("BreakContinueTargetOccurrences", fBreakContinueTargetOccurrencesAction); //$NON-NLS-1$

 		fMethodExitOccurrencesAction= new FindMethodExitOccurrencesAction(fEditor);
 		fMethodExitOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_METHOD_EXIT_OCCURRENCES);
 		fEditor.setAction("ExitOccurrencesAction", fMethodExitOccurrencesAction); //$NON-NLS-1$

 //
 //		ISelectionProvider provider= fSite.getSelectionProvider();
 //		ISelection selection= provider.getSelection();
 //
 //		registerAction(fOccurrencesInFileAction, provider, selection);
 //		registerAction(fExceptionOccurrencesAction, provider, selection);
 //		registerAction(fFindImplementorOccurrencesAction, provider, selection);
 	}

 	private void registerAction(SelectionDispatchAction action, ISelectionProvider provider, ISelection selection, ISelectionProvider specialSelectionProvider) {
 		action.update(selection);
 		provider.addSelectionChangedListener(action);
 		if (specialSelectionProvider != null)
 			action.setSpecialSelectionProvider(specialSelectionProvider);
 	}

 	/*
 	 * Method declared on ActionGroup.
 	 */
 	public void fillContextMenu(IMenuManager manager) {
 		String menuText= SearchMessages.group_occurrences;
 		MenuManager javaSearchMM= new MenuManager(menuText, IContextMenuConstants.GROUP_SEARCH);
 		javaSearchMM.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_OCCURRENCES_IN_FILE_QUICK_MENU);
 		javaSearchMM.add(new Action() {
 		});
 		javaSearchMM.addMenuListener(new IMenuListener() {
 			public void menuAboutToShow(IMenuManager mm) {
 				mm.removeAll();
 				updateActionsInJavaEditor();
 				addAction(fOccurrencesInFileAction, mm);
 				addAction(fFindImplementorOccurrencesAction, mm);
 				addAction(fExceptionOccurrencesAction, mm);
 				addAction(fMethodExitOccurrencesAction, mm);
 				addAction(fBreakContinueTargetOccurrencesAction, mm);
 				if (mm.isEmpty()) {
 					mm.add(new Action(SearchMessages.group_occurrences_quickMenu_noEntriesAvailable) {
 						public boolean isEnabled() {
 							return false;
 						}
 					});
 				}
 			}

 			private void addAction(Action action, IMenuManager mm) {
 				if (action.isEnabled())
 					mm.add(action);
 			}
 		});
 		manager.appendToGroup(fGroupId, javaSearchMM);
 	}

 	private void updateActionsInJavaEditor() {
 		if (fEditor == null)
 			return;

 		ITypeRoot element= SelectionConverter.getInput(fEditor);
 		if (element == null)
 			return;

 		ITextSelection textSelection= (ITextSelection) fEditor.getSelectionProvider().getSelection();
 		IDocument document= JavaUI.getDocumentProvider().getDocument(fEditor.getEditorInput());
 		JavaTextSelection javaSelection= new JavaTextSelection(element, document, textSelection.getOffset(), textSelection.getLength());

 		fExceptionOccurrencesAction.update(javaSelection);
 		fOccurrencesInFileAction.update(javaSelection);
 		fFindImplementorOccurrencesAction.update(javaSelection);
 		fBreakContinueTargetOccurrencesAction.update(javaSelection);
 		fMethodExitOccurrencesAction.update(javaSelection);
 	}

 	/*
 	 * Method declared on ActionGroup.
 	 */
 	public void fillActionBars(IActionBars actionBars) {
 		Assert.isNotNull(actionBars);
 		super.fillActionBars(actionBars);
 		fActionBars= actionBars;
 		updateGlobalActionHandlers();
 	}

 	/*
 	 * Method declared on ActionGroup.
 	 */
 	public void dispose() {
 		ISelectionProvider provider= fSite.getSelectionProvider();
 		if (provider != null) {
 			disposeAction(fFindImplementorOccurrencesAction, provider);
 			disposeAction(fExceptionOccurrencesAction, provider);
 			disposeAction(fOccurrencesInFileAction, provider);
 			disposeAction(fMethodExitOccurrencesAction, provider);
 			disposeAction(fBreakContinueTargetOccurrencesAction, provider);
 		}
 		super.dispose();
 		fFindImplementorOccurrencesAction= null;
 		fExceptionOccurrencesAction= null;
 		fOccurrencesInFileAction= null;
 		fMethodExitOccurrencesAction= null;
 		fBreakContinueTargetOccurrencesAction= null;
 		updateGlobalActionHandlers();
 	}

 	private void updateGlobalActionHandlers() {
 		if (fActionBars != null) {
 			fActionBars.setGlobalActionHandler(JdtActionConstants.FIND_OCCURRENCES_IN_FILE, fOccurrencesInFileAction);
 			fActionBars.setGlobalActionHandler(JdtActionConstants.FIND_EXCEPTION_OCCURRENCES, fExceptionOccurrencesAction);
 			fActionBars.setGlobalActionHandler(JdtActionConstants.FIND_IMPLEMENT_OCCURRENCES, fFindImplementorOccurrencesAction);
 			fActionBars.setGlobalActionHandler(JdtActionConstants.FIND_BREAK_CONTINUE_TARGET_OCCURRENCES, fBreakContinueTargetOccurrencesAction);
 			fActionBars.setGlobalActionHandler(JdtActionConstants.FIND_METHOD_EXIT_OCCURRENCES, fMethodExitOccurrencesAction);

 		}
 	}

 	private void disposeAction(ISelectionChangedListener action, ISelectionProvider provider) {
 		if (action != null)
 			provider.removeSelectionChangedListener(action);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 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
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.jdt.ui.actions;

	import org.eclipse.core.runtime.Assert;

	import org.eclipse.jface.action.Action;
	import org.eclipse.jface.action.IMenuListener;
	import org.eclipse.jface.action.IMenuManager;
	import org.eclipse.jface.action.MenuManager;
	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.text.IDocument;
	import org.eclipse.jface.text.ITextSelection;

	import org.eclipse.ui.IActionBars;
	import org.eclipse.ui.IWorkbenchSite;
	import org.eclipse.ui.actions.ActionGroup;

	import org.eclipse.ui.texteditor.ITextEditorActionConstants;

	import org.eclipse.jdt.core.ITypeRoot;

	import org.eclipse.jdt.ui.IContextMenuConstants;
	import org.eclipse.jdt.ui.JavaUI;

	import org.eclipse.jdt.internal.ui.actions.SelectionConverter;
	import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
	import org.eclipse.jdt.internal.ui.javaeditor.JavaTextSelection;
	import org.eclipse.jdt.internal.ui.search.SearchMessages;

	/**
	* Action group that adds the occurrences in file actions
	* to a context menu and the global menu bar.
	*
	* <p>
	* This class may be instantiated; it is not intended to be subclassed.
	* </p>
	*
	* @since 3.1
	*
	* @noextend This class is not intended to be subclassed by clients.
	*/
	public class OccurrencesSearchGroup extends ActionGroup {

	private IWorkbenchSite fSite;
	private JavaEditor fEditor;
	private IActionBars fActionBars;

	private String fGroupId;

	private FindOccurrencesInFileAction fOccurrencesInFileAction;
	private FindExceptionOccurrencesAction fExceptionOccurrencesAction;
	private FindImplementOccurrencesAction fFindImplementorOccurrencesAction;
	private FindBreakContinueTargetOccurrencesAction fBreakContinueTargetOccurrencesAction;
	private FindMethodExitOccurrencesAction fMethodExitOccurrencesAction;

	/**
	* Creates a new <code>ImplementorsSearchGroup</code>. The group
	* requires that the selection provided by the site's selection provider
	* is of type <code>org.eclipse.jface.viewers.IStructuredSelection</code>.
	*
	* @param site the view part that owns this action group
	*/
	public OccurrencesSearchGroup(IWorkbenchSite site) {
	this(site, null);
	}

	/**
	* Creates a new <code>OccurrencesSearchGroup</code>. The group requires
	* that the selection provided by the given selection provider is of type
	* {@link IStructuredSelection}.
	*
	* @param site the site that will own the action group.
	* @param specialSelectionProvider the selection provider used instead of the
	* sites selection provider.
	*
	* @since 3.4
	*/
	public OccurrencesSearchGroup(IWorkbenchSite site, ISelectionProvider specialSelectionProvider) {
	fSite= site;
	fGroupId= IContextMenuConstants.GROUP_SEARCH;

	fOccurrencesInFileAction= new FindOccurrencesInFileAction(site);
	fOccurrencesInFileAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_OCCURRENCES_IN_FILE);
	// Need to reset the label
	fOccurrencesInFileAction.setText(SearchMessages.Search_FindOccurrencesInFile_shortLabel);

	fExceptionOccurrencesAction= new FindExceptionOccurrencesAction(site);
	fExceptionOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_EXCEPTION_OCCURRENCES_IN_FILE);

	fFindImplementorOccurrencesAction= new FindImplementOccurrencesAction(site);
	fFindImplementorOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_IMPLEMENT_OCCURRENCES_IN_FILE);

	fBreakContinueTargetOccurrencesAction= new FindBreakContinueTargetOccurrencesAction(site);
	fBreakContinueTargetOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_BREAK_CONTINUE_TARGET_OCCURRENCES);

	fMethodExitOccurrencesAction= new FindMethodExitOccurrencesAction(site);
	fMethodExitOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_METHOD_EXIT_OCCURRENCES);


	// register the actions as selection listeners
	ISelectionProvider provider= specialSelectionProvider == null ? fSite.getSelectionProvider() : specialSelectionProvider;
	ISelection selection= provider.getSelection();
	registerAction(fOccurrencesInFileAction, provider, selection, specialSelectionProvider);
	registerAction(fExceptionOccurrencesAction, provider, selection, specialSelectionProvider);
	registerAction(fFindImplementorOccurrencesAction, provider, selection, specialSelectionProvider);
	registerAction(fBreakContinueTargetOccurrencesAction, provider, selection, specialSelectionProvider);
	registerAction(fMethodExitOccurrencesAction, provider, selection, specialSelectionProvider);
	}

	/**
	* Note: This constructor is for internal use only. Clients should not call this constructor.
	*
	* @param editor the Java editor
	*
	* @noreference This constructor is not intended to be referenced by clients.
	*/
	public OccurrencesSearchGroup(JavaEditor editor) {
	fEditor= editor;
	fSite= fEditor.getSite();
	fGroupId= ITextEditorActionConstants.GROUP_FIND;

	fOccurrencesInFileAction= new FindOccurrencesInFileAction(fEditor);
	fOccurrencesInFileAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_OCCURRENCES_IN_FILE);
	// Need to reset the label
	fOccurrencesInFileAction.setText(SearchMessages.Search_FindOccurrencesInFile_shortLabel);
	fEditor.setAction("SearchOccurrencesInFile", fOccurrencesInFileAction); //$NON-NLS-1$

	fExceptionOccurrencesAction= new FindExceptionOccurrencesAction(fEditor);
	fExceptionOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_EXCEPTION_OCCURRENCES_IN_FILE);
	fEditor.setAction("SearchExceptionOccurrences", fExceptionOccurrencesAction); //$NON-NLS-1$

	fFindImplementorOccurrencesAction= new FindImplementOccurrencesAction(fEditor);
	fFindImplementorOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_IMPLEMENT_OCCURRENCES_IN_FILE);
	fEditor.setAction("SearchImplementOccurrences", fFindImplementorOccurrencesAction); //$NON-NLS-1$

	fBreakContinueTargetOccurrencesAction= new FindBreakContinueTargetOccurrencesAction(fEditor);
	fBreakContinueTargetOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_BREAK_CONTINUE_TARGET_OCCURRENCES);
	fEditor.setAction("BreakContinueTargetOccurrences", fBreakContinueTargetOccurrencesAction); //$NON-NLS-1$

	fMethodExitOccurrencesAction= new FindMethodExitOccurrencesAction(fEditor);
	fMethodExitOccurrencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_METHOD_EXIT_OCCURRENCES);
	fEditor.setAction("ExitOccurrencesAction", fMethodExitOccurrencesAction); //$NON-NLS-1$

	//
	// ISelectionProvider provider= fSite.getSelectionProvider();
	// ISelection selection= provider.getSelection();
	//
	// registerAction(fOccurrencesInFileAction, provider, selection);
	// registerAction(fExceptionOccurrencesAction, provider, selection);
	// registerAction(fFindImplementorOccurrencesAction, provider, selection);
	}

	private void registerAction(SelectionDispatchAction action, ISelectionProvider provider, ISelection selection, ISelectionProvider specialSelectionProvider) {
	action.update(selection);
	provider.addSelectionChangedListener(action);
	if (specialSelectionProvider != null)
	action.setSpecialSelectionProvider(specialSelectionProvider);
	}

	/*
	* Method declared on ActionGroup.
	*/
	public void fillContextMenu(IMenuManager manager) {
	String menuText= SearchMessages.group_occurrences;
	MenuManager javaSearchMM= new MenuManager(menuText, IContextMenuConstants.GROUP_SEARCH);
	javaSearchMM.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_OCCURRENCES_IN_FILE_QUICK_MENU);
	javaSearchMM.add(new Action() {
	});
	javaSearchMM.addMenuListener(new IMenuListener() {
	public void menuAboutToShow(IMenuManager mm) {
	mm.removeAll();
	updateActionsInJavaEditor();
	addAction(fOccurrencesInFileAction, mm);
	addAction(fFindImplementorOccurrencesAction, mm);
	addAction(fExceptionOccurrencesAction, mm);
	addAction(fMethodExitOccurrencesAction, mm);
	addAction(fBreakContinueTargetOccurrencesAction, mm);
	if (mm.isEmpty()) {
	mm.add(new Action(SearchMessages.group_occurrences_quickMenu_noEntriesAvailable) {
	public boolean isEnabled() {
	return false;
	}
	});
	}
	}

	private void addAction(Action action, IMenuManager mm) {
	if (action.isEnabled())
	mm.add(action);
	}
	});
	manager.appendToGroup(fGroupId, javaSearchMM);
	}

	private void updateActionsInJavaEditor() {
	if (fEditor == null)
	return;

	ITypeRoot element= SelectionConverter.getInput(fEditor);
	if (element == null)
	return;

	ITextSelection textSelection= (ITextSelection) fEditor.getSelectionProvider().getSelection();
	IDocument document= JavaUI.getDocumentProvider().getDocument(fEditor.getEditorInput());
	JavaTextSelection javaSelection= new JavaTextSelection(element, document, textSelection.getOffset(), textSelection.getLength());

	fExceptionOccurrencesAction.update(javaSelection);
	fOccurrencesInFileAction.update(javaSelection);
	fFindImplementorOccurrencesAction.update(javaSelection);
	fBreakContinueTargetOccurrencesAction.update(javaSelection);
	fMethodExitOccurrencesAction.update(javaSelection);
	}

	/*
	* Method declared on ActionGroup.
	*/
	public void fillActionBars(IActionBars actionBars) {
	Assert.isNotNull(actionBars);
	super.fillActionBars(actionBars);
	fActionBars= actionBars;
	updateGlobalActionHandlers();
	}

	/*
	* Method declared on ActionGroup.
	*/
	public void dispose() {
	ISelectionProvider provider= fSite.getSelectionProvider();
	if (provider != null) {
	disposeAction(fFindImplementorOccurrencesAction, provider);
	disposeAction(fExceptionOccurrencesAction, provider);
	disposeAction(fOccurrencesInFileAction, provider);
	disposeAction(fMethodExitOccurrencesAction, provider);
	disposeAction(fBreakContinueTargetOccurrencesAction, provider);
	}
	super.dispose();
	fFindImplementorOccurrencesAction= null;
	fExceptionOccurrencesAction= null;
	fOccurrencesInFileAction= null;
	fMethodExitOccurrencesAction= null;
	fBreakContinueTargetOccurrencesAction= null;
	updateGlobalActionHandlers();
	}

	private void updateGlobalActionHandlers() {
	if (fActionBars != null) {
	fActionBars.setGlobalActionHandler(JdtActionConstants.FIND_OCCURRENCES_IN_FILE, fOccurrencesInFileAction);
	fActionBars.setGlobalActionHandler(JdtActionConstants.FIND_EXCEPTION_OCCURRENCES, fExceptionOccurrencesAction);
	fActionBars.setGlobalActionHandler(JdtActionConstants.FIND_IMPLEMENT_OCCURRENCES, fFindImplementorOccurrencesAction);
	fActionBars.setGlobalActionHandler(JdtActionConstants.FIND_BREAK_CONTINUE_TARGET_OCCURRENCES, fBreakContinueTargetOccurrencesAction);
	fActionBars.setGlobalActionHandler(JdtActionConstants.FIND_METHOD_EXIT_OCCURRENCES, fMethodExitOccurrencesAction);

	}
	}

	private void disposeAction(ISelectionChangedListener action, ISelectionProvider provider) {
	if (action != null)
	provider.removeSelectionChangedListener(action);
	}
	}