ui/org.eclipse.pde.ui/src/org/eclipse/pde/internal/ui/editor/PDEFormEditorContributor.java - pde/eclipse.pde.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2003, 2005 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.pde.internal.ui.editor;
 import java.util.Hashtable;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.Set;

 import org.eclipse.jdt.ui.IContextMenuConstants;
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.action.IAction;
 import org.eclipse.jface.action.ICoolBarManager;
 import org.eclipse.jface.action.IMenuManager;
 import org.eclipse.jface.action.IStatusLineManager;
 import org.eclipse.jface.action.IToolBarManager;
 import org.eclipse.jface.action.Separator;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.pde.core.IBaseModel;
 import org.eclipse.pde.core.IEditable;
 import org.eclipse.pde.internal.ui.PDEPlugin;
 import org.eclipse.pde.internal.ui.PDEUIMessages;
 import org.eclipse.ui.IActionBars;
 import org.eclipse.ui.IEditorActionBarContributor;
 import org.eclipse.ui.IEditorPart;
 import org.eclipse.ui.IWorkbenchActionConstants;
 import org.eclipse.ui.SubActionBars;
 import org.eclipse.ui.actions.ActionFactory;
 import org.eclipse.ui.editors.text.TextEditorActionContributor;
 import org.eclipse.ui.forms.editor.IFormPage;
 import org.eclipse.ui.ide.IDEActionFactory;
 import org.eclipse.ui.part.MultiPageEditorActionBarContributor;
 import org.eclipse.ui.texteditor.ITextEditor;
 import org.eclipse.ui.texteditor.ITextEditorActionConstants;
 import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
 import org.eclipse.ui.texteditor.IUpdate;
 import org.eclipse.ui.texteditor.RetargetTextEditorAction;

 public class PDEFormEditorContributor
 		extends
 			MultiPageEditorActionBarContributor {
 	private SubActionBars sourceActionBars;
 	private PDEFormEditor editor;
 	private IFormPage page;
 	private SaveAction saveAction;
 	private RevertAction revertAction;
 	private ClipboardAction cutAction;
 	private ClipboardAction copyAction;
 	private ClipboardAction pasteAction;
 	private Hashtable globalActions = new Hashtable();
 	private TextEditorActionContributor sourceContributor;
 	private RetargetTextEditorAction fCorrectionAssist ;
 	class GlobalAction extends Action implements IUpdate {
 		private String id;
 		public GlobalAction(String id) {
 			this.id = id;
 		}
 		public void run() {
 			editor.performGlobalAction(id);
 			updateSelectableActions(editor.getSelection());
 		}
 		public void update() {
 			getActionBars().updateActionBars();
 		}
 	}
 	class ClipboardAction extends GlobalAction {
 		public ClipboardAction(String id) {
 			super(id);
 			setEnabled(false);
 		}
 		public void selectionChanged(ISelection selection) {
 		}
 		public boolean isEditable() {
 			if (editor == null)
 				return false;
 			IBaseModel model = editor.getAggregateModel();
 			if (model instanceof IEditable)
 				return ((IEditable) model).isEditable();
 			return false;
 		}
 	}
 	class CutAction extends ClipboardAction {
 		public CutAction() {
 			super(ActionFactory.CUT.getId());
 			setText(PDEUIMessages.EditorActions_cut);
 		}
 		public void selectionChanged(ISelection selection) {
 			setEnabled(isEditable() && editor.canCopy(selection));
 		}
 	}
 	class CopyAction extends ClipboardAction {
 		public CopyAction() {
 			super(ActionFactory.COPY.getId());
 			setText(PDEUIMessages.EditorActions_copy);
 		}
 		public void selectionChanged(ISelection selection) {
 			setEnabled(editor.canCopy(selection));
 		}
 	}
 	class PasteAction extends ClipboardAction {
 		public PasteAction() {
 			super(ActionFactory.PASTE.getId());
 			setText(PDEUIMessages.EditorActions_paste);
 			//selectionChanged(null);
 		}
 		public void selectionChanged(ISelection selection) {
 			setEnabled(isEditable() && editor.canPasteFromClipboard());
 		}
 	}
 	class SaveAction extends Action implements IUpdate {
 		public SaveAction() {
 		}
 		public void run() {
 			if (editor != null)
 				PDEPlugin.getActivePage().saveEditor(editor, false);
 		}
 		public void update() {
 			if (editor != null) {
 				setEnabled(editor.isDirty());
 			} else
 				setEnabled(false);
 		}
 	}
 	class RevertAction extends Action implements IUpdate {
 		public RevertAction() {
 		}
 		public void run() {
 			if (editor != null)
 				editor.doRevert();
 		}
 		public void update() {
 			if (editor != null) {
 				setEnabled(editor.isDirty());
 			} else
 				setEnabled(false);
 		}
 	}
 	public PDEFormEditorContributor(String menuName) {
 		fCorrectionAssist = new RetargetTextEditorAction(PDESourcePage.getBundleForConstructedKeys(), "CorrectionAssistProposal."); //$NON-NLS-1$
 		fCorrectionAssist.setActionDefinitionId(ITextEditorActionDefinitionIds.QUICK_ASSIST);
 		sourceContributor = new TextEditorActionContributor() {
 			public void contributeToMenu(IMenuManager mm) {
 				super.contributeToMenu(mm);
 				IMenuManager editMenu= mm.findMenuUsingPath(IWorkbenchActionConstants.M_EDIT);
 				if (editMenu != null) {
 					editMenu.add(new Separator(IContextMenuConstants.GROUP_OPEN));
 					editMenu.add(new Separator(IContextMenuConstants.GROUP_GENERATE));
 					editMenu.add(new Separator(IContextMenuConstants.GROUP_ADDITIONS));

 					editMenu.appendToGroup(IContextMenuConstants.GROUP_GENERATE, fCorrectionAssist);
 				}
 			}
 			public void setActiveEditor(IEditorPart part) {

 				super.setActiveEditor(part);

 				IActionBars actionBars= getActionBars();
 				IStatusLineManager manager= actionBars.getStatusLineManager();
 				manager.setMessage(null);
 				manager.setErrorMessage(null);

 				ITextEditor textEditor = null;
 				if (part instanceof ITextEditor)
 					textEditor = (ITextEditor)part;

 				fCorrectionAssist.setAction(getAction(textEditor, ITextEditorActionConstants.QUICK_ASSIST)); //$NON-NLS-1$
 			}
 		};
 		makeActions();
 	}

 	public IEditorActionBarContributor getSourceContributor() {
 		return sourceContributor;
 	}
 	private void addGlobalAction(String id) {
 		GlobalAction action = new GlobalAction(id);
 		addGlobalAction(id, action);
 	}
 	private void addGlobalAction(String id, Action action) {
 		globalActions.put(id, action);
 	}
 	public void addClipboardActions(IMenuManager mng) {
 		mng.add(cutAction);
 		mng.add(copyAction);
 		mng.add(pasteAction);
 		mng.add(new Separator());
 		mng.add(revertAction);
 	}
 	public void contextMenuAboutToShow(IMenuManager mng) {
 		contextMenuAboutToShow(mng, true);
 	}
 	public void contextMenuAboutToShow(IMenuManager mng, boolean addClipboard) {
 		if (editor != null)
 			updateSelectableActions(editor.getSelection());
 		if (addClipboard) {
 			addClipboardActions(mng);
 		}
 		mng.add(saveAction);
 	}
 	public void contributeToMenu(IMenuManager mm) {
 	}
 	public void contributeToStatusLine(IStatusLineManager slm) {
 	}
 	public void contributeToToolBar(IToolBarManager tbm) {
 	}
 	public void contributeToCoolBar(ICoolBarManager cbm) {
 	}
 	public void dispose() {
 		sourceContributor.dispose();
 		sourceActionBars.dispose();
 		super.dispose();
 	}
 	public void init(IActionBars bars) {
 		super.init(bars);
 		sourceActionBars = new SubActionBars(bars);
 		sourceContributor.init(sourceActionBars);
 	}

 	public PDEFormEditor getEditor() {
 		return editor;
 	}
 	public IAction getGlobalAction(String id) {
 		return (IAction) globalActions.get(id);
 	}
 	public IAction getSaveAction() {
 		return saveAction;
 	}
 	public IAction getRevertAction() {
 		return revertAction;
 	}
 	public IStatusLineManager getStatusLineManager() {
 		return getActionBars().getStatusLineManager();
 	}
 	protected void makeActions() {
 		// clipboard actions
 		cutAction = new CutAction();
 		copyAction = new CopyAction();
 		pasteAction = new PasteAction();
 		addGlobalAction(ActionFactory.CUT.getId(), cutAction);
 		addGlobalAction(ActionFactory.COPY.getId(), copyAction);
 		addGlobalAction(ActionFactory.PASTE.getId(), pasteAction);
 		addGlobalAction(ActionFactory.DELETE.getId());
 		// undo/redo
 		addGlobalAction(ActionFactory.UNDO.getId());
 		addGlobalAction(ActionFactory.REDO.getId());
 		// select/find
 		addGlobalAction(ActionFactory.SELECT_ALL.getId());
 		addGlobalAction(ActionFactory.FIND.getId());
 		// bookmark
 		addGlobalAction(IDEActionFactory.BOOKMARK.getId());
 		// save/revert
 		saveAction = new SaveAction();
 		saveAction.setText(PDEUIMessages.EditorActions_save);
 		revertAction = new RevertAction();
 		revertAction.setText(PDEUIMessages.EditorActions_revert);
 	}
 	public void setActiveEditor(IEditorPart targetEditor) {
 		//if (editor != null)
 		//	editor.updateUndo(null, null);
 		if (targetEditor instanceof PDESourcePage) {
 			// Fixing the 'goto line' problem -
 			// the action is thinking that source page
 			// is a standalone editor and tries to activate it
 			// #19361
 			PDESourcePage page = (PDESourcePage) targetEditor;
 			PDEPlugin.getActivePage().activate(page.getEditor());
 			return;
 		}
 		if (targetEditor instanceof PDEFormEditor)
 			this.editor = (PDEFormEditor) targetEditor;
 		else
 			return;
 		editor.updateUndo(getGlobalAction(ActionFactory.UNDO.getId()),
 				getGlobalAction(ActionFactory.REDO.getId()));
 		IEditorPart page = editor.getActiveEditor();
 		setActivePage(page);
 		updateSelectableActions(editor.getSelection());
 	}
 	public void setActivePage(IEditorPart newEditor) {
 		if (editor == null)
 			return;
 		IFormPage oldPage = page;
 		IFormPage newPage = editor.getActivePageInstance();
 		this.page = newPage;
 		if (newPage == null)
 			return;
 		updateActions();
 		if (oldPage != null && oldPage.isEditor() == false
 				&& newPage.isEditor() == false) {
 			getActionBars().updateActionBars();
 			return;
 		}
 		PDESourcePage sourcePage = null;
 		if (newPage instanceof PDESourcePage)
 			sourcePage = (PDESourcePage) newPage;
 		if (sourcePage != null && sourcePage.equals(oldPage))
 			return;
 		sourceContributor.setActiveEditor(sourcePage);
 		setSourceActionBarsActive(sourcePage != null);
 	}
 	private void setSourceActionBarsActive(boolean active) {
 		IActionBars rootBars = getActionBars();
 		rootBars.clearGlobalActionHandlers();
 		//PlatformUI.getWorkbench().getCommandSupport().removeHandlerSubmissions(new ArrayList());
 		rootBars.updateActionBars();
 		if (active) {
 			sourceActionBars.activate();
 			Map handlers = sourceActionBars.getGlobalActionHandlers();
 			if (handlers != null) {
 				Set keys = handlers.keySet();
 				for (Iterator iter = keys.iterator(); iter.hasNext();) {
 					String id = (String) iter.next();
 					rootBars.setGlobalActionHandler(id, (IAction) handlers
 							.get(id));
 				}
 			}
 		} else {
 			sourceActionBars.deactivate();
 			registerGlobalActionHandlers();
 		}
 		rootBars.updateActionBars();
 	}
 	private void registerGlobalActionHandlers() {
 		registerGlobalAction(ActionFactory.DELETE.getId());
 		registerGlobalAction(ActionFactory.UNDO.getId());
 		registerGlobalAction(ActionFactory.REDO.getId());
 		registerGlobalAction(ActionFactory.CUT.getId());
 		registerGlobalAction(ActionFactory.COPY.getId());
 		registerGlobalAction(ActionFactory.PASTE.getId());
 		registerGlobalAction(ActionFactory.SELECT_ALL.getId());
 		registerGlobalAction(ActionFactory.FIND.getId());
 		// hook revert
 		getActionBars().setGlobalActionHandler(ActionFactory.REVERT.getId(), revertAction);
 	}
 	private void registerGlobalAction(String id) {
 		IAction action = getGlobalAction(id);
 		getActionBars().setGlobalActionHandler(id, action);
 	}
 	public void updateActions() {
 		saveAction.update();
 		revertAction.update();
 	}
 	public void updateSelectableActions(ISelection selection) {
 		if (editor != null) {
 			cutAction.selectionChanged(selection);
 			copyAction.selectionChanged(selection);
 			pasteAction.selectionChanged(selection);
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2003, 2005 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.pde.internal.ui.editor;
	import java.util.Hashtable;
	import java.util.Iterator;
	import java.util.Map;
	import java.util.Set;

	import org.eclipse.jdt.ui.IContextMenuConstants;
	import org.eclipse.jface.action.Action;
	import org.eclipse.jface.action.IAction;
	import org.eclipse.jface.action.ICoolBarManager;
	import org.eclipse.jface.action.IMenuManager;
	import org.eclipse.jface.action.IStatusLineManager;
	import org.eclipse.jface.action.IToolBarManager;
	import org.eclipse.jface.action.Separator;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.pde.core.IBaseModel;
	import org.eclipse.pde.core.IEditable;
	import org.eclipse.pde.internal.ui.PDEPlugin;
	import org.eclipse.pde.internal.ui.PDEUIMessages;
	import org.eclipse.ui.IActionBars;
	import org.eclipse.ui.IEditorActionBarContributor;
	import org.eclipse.ui.IEditorPart;
	import org.eclipse.ui.IWorkbenchActionConstants;
	import org.eclipse.ui.SubActionBars;
	import org.eclipse.ui.actions.ActionFactory;
	import org.eclipse.ui.editors.text.TextEditorActionContributor;
	import org.eclipse.ui.forms.editor.IFormPage;
	import org.eclipse.ui.ide.IDEActionFactory;
	import org.eclipse.ui.part.MultiPageEditorActionBarContributor;
	import org.eclipse.ui.texteditor.ITextEditor;
	import org.eclipse.ui.texteditor.ITextEditorActionConstants;
	import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
	import org.eclipse.ui.texteditor.IUpdate;
	import org.eclipse.ui.texteditor.RetargetTextEditorAction;

	public class PDEFormEditorContributor
	extends
	MultiPageEditorActionBarContributor {
	private SubActionBars sourceActionBars;
	private PDEFormEditor editor;
	private IFormPage page;
	private SaveAction saveAction;
	private RevertAction revertAction;
	private ClipboardAction cutAction;
	private ClipboardAction copyAction;
	private ClipboardAction pasteAction;
	private Hashtable globalActions = new Hashtable();
	private TextEditorActionContributor sourceContributor;
	private RetargetTextEditorAction fCorrectionAssist ;
	class GlobalAction extends Action implements IUpdate {
	private String id;
	public GlobalAction(String id) {
	this.id = id;
	}
	public void run() {
	editor.performGlobalAction(id);
	updateSelectableActions(editor.getSelection());
	}
	public void update() {
	getActionBars().updateActionBars();
	}
	}
	class ClipboardAction extends GlobalAction {
	public ClipboardAction(String id) {
	super(id);
	setEnabled(false);
	}
	public void selectionChanged(ISelection selection) {
	}
	public boolean isEditable() {
	if (editor == null)
	return false;
	IBaseModel model = editor.getAggregateModel();
	if (model instanceof IEditable)
	return ((IEditable) model).isEditable();
	return false;
	}
	}
	class CutAction extends ClipboardAction {
	public CutAction() {
	super(ActionFactory.CUT.getId());
	setText(PDEUIMessages.EditorActions_cut);
	}
	public void selectionChanged(ISelection selection) {
	setEnabled(isEditable() && editor.canCopy(selection));
	}
	}
	class CopyAction extends ClipboardAction {
	public CopyAction() {
	super(ActionFactory.COPY.getId());
	setText(PDEUIMessages.EditorActions_copy);
	}
	public void selectionChanged(ISelection selection) {
	setEnabled(editor.canCopy(selection));
	}
	}
	class PasteAction extends ClipboardAction {
	public PasteAction() {
	super(ActionFactory.PASTE.getId());
	setText(PDEUIMessages.EditorActions_paste);
	//selectionChanged(null);
	}
	public void selectionChanged(ISelection selection) {
	setEnabled(isEditable() && editor.canPasteFromClipboard());
	}
	}
	class SaveAction extends Action implements IUpdate {
	public SaveAction() {
	}
	public void run() {
	if (editor != null)
	PDEPlugin.getActivePage().saveEditor(editor, false);
	}
	public void update() {
	if (editor != null) {
	setEnabled(editor.isDirty());
	} else
	setEnabled(false);
	}
	}
	class RevertAction extends Action implements IUpdate {
	public RevertAction() {
	}
	public void run() {
	if (editor != null)
	editor.doRevert();
	}
	public void update() {
	if (editor != null) {
	setEnabled(editor.isDirty());
	} else
	setEnabled(false);
	}
	}
	public PDEFormEditorContributor(String menuName) {
	fCorrectionAssist = new RetargetTextEditorAction(PDESourcePage.getBundleForConstructedKeys(), "CorrectionAssistProposal."); //$NON-NLS-1$
	fCorrectionAssist.setActionDefinitionId(ITextEditorActionDefinitionIds.QUICK_ASSIST);
	sourceContributor = new TextEditorActionContributor() {
	public void contributeToMenu(IMenuManager mm) {
	super.contributeToMenu(mm);
	IMenuManager editMenu= mm.findMenuUsingPath(IWorkbenchActionConstants.M_EDIT);
	if (editMenu != null) {
	editMenu.add(new Separator(IContextMenuConstants.GROUP_OPEN));
	editMenu.add(new Separator(IContextMenuConstants.GROUP_GENERATE));
	editMenu.add(new Separator(IContextMenuConstants.GROUP_ADDITIONS));

	editMenu.appendToGroup(IContextMenuConstants.GROUP_GENERATE, fCorrectionAssist);
	}
	}
	public void setActiveEditor(IEditorPart part) {

	super.setActiveEditor(part);

	IActionBars actionBars= getActionBars();
	IStatusLineManager manager= actionBars.getStatusLineManager();
	manager.setMessage(null);
	manager.setErrorMessage(null);

	ITextEditor textEditor = null;
	if (part instanceof ITextEditor)
	textEditor = (ITextEditor)part;

	fCorrectionAssist.setAction(getAction(textEditor, ITextEditorActionConstants.QUICK_ASSIST)); //$NON-NLS-1$
	}
	};
	makeActions();
	}

	public IEditorActionBarContributor getSourceContributor() {
	return sourceContributor;
	}
	private void addGlobalAction(String id) {
	GlobalAction action = new GlobalAction(id);
	addGlobalAction(id, action);
	}
	private void addGlobalAction(String id, Action action) {
	globalActions.put(id, action);
	}
	public void addClipboardActions(IMenuManager mng) {
	mng.add(cutAction);
	mng.add(copyAction);
	mng.add(pasteAction);
	mng.add(new Separator());
	mng.add(revertAction);
	}
	public void contextMenuAboutToShow(IMenuManager mng) {
	contextMenuAboutToShow(mng, true);
	}
	public void contextMenuAboutToShow(IMenuManager mng, boolean addClipboard) {
	if (editor != null)
	updateSelectableActions(editor.getSelection());
	if (addClipboard) {
	addClipboardActions(mng);
	}
	mng.add(saveAction);
	}
	public void contributeToMenu(IMenuManager mm) {
	}
	public void contributeToStatusLine(IStatusLineManager slm) {
	}
	public void contributeToToolBar(IToolBarManager tbm) {
	}
	public void contributeToCoolBar(ICoolBarManager cbm) {
	}
	public void dispose() {
	sourceContributor.dispose();
	sourceActionBars.dispose();
	super.dispose();
	}
	public void init(IActionBars bars) {
	super.init(bars);
	sourceActionBars = new SubActionBars(bars);
	sourceContributor.init(sourceActionBars);
	}

	public PDEFormEditor getEditor() {
	return editor;
	}
	public IAction getGlobalAction(String id) {
	return (IAction) globalActions.get(id);
	}
	public IAction getSaveAction() {
	return saveAction;
	}
	public IAction getRevertAction() {
	return revertAction;
	}
	public IStatusLineManager getStatusLineManager() {
	return getActionBars().getStatusLineManager();
	}
	protected void makeActions() {
	// clipboard actions
	cutAction = new CutAction();
	copyAction = new CopyAction();
	pasteAction = new PasteAction();
	addGlobalAction(ActionFactory.CUT.getId(), cutAction);
	addGlobalAction(ActionFactory.COPY.getId(), copyAction);
	addGlobalAction(ActionFactory.PASTE.getId(), pasteAction);
	addGlobalAction(ActionFactory.DELETE.getId());
	// undo/redo
	addGlobalAction(ActionFactory.UNDO.getId());
	addGlobalAction(ActionFactory.REDO.getId());
	// select/find
	addGlobalAction(ActionFactory.SELECT_ALL.getId());
	addGlobalAction(ActionFactory.FIND.getId());
	// bookmark
	addGlobalAction(IDEActionFactory.BOOKMARK.getId());
	// save/revert
	saveAction = new SaveAction();
	saveAction.setText(PDEUIMessages.EditorActions_save);
	revertAction = new RevertAction();
	revertAction.setText(PDEUIMessages.EditorActions_revert);
	}
	public void setActiveEditor(IEditorPart targetEditor) {
	//if (editor != null)
	// editor.updateUndo(null, null);
	if (targetEditor instanceof PDESourcePage) {
	// Fixing the 'goto line' problem -
	// the action is thinking that source page
	// is a standalone editor and tries to activate it
	// #19361
	PDESourcePage page = (PDESourcePage) targetEditor;
	PDEPlugin.getActivePage().activate(page.getEditor());
	return;
	}
	if (targetEditor instanceof PDEFormEditor)
	this.editor = (PDEFormEditor) targetEditor;
	else
	return;
	editor.updateUndo(getGlobalAction(ActionFactory.UNDO.getId()),
	getGlobalAction(ActionFactory.REDO.getId()));
	IEditorPart page = editor.getActiveEditor();
	setActivePage(page);
	updateSelectableActions(editor.getSelection());
	}
	public void setActivePage(IEditorPart newEditor) {
	if (editor == null)
	return;
	IFormPage oldPage = page;
	IFormPage newPage = editor.getActivePageInstance();
	this.page = newPage;
	if (newPage == null)
	return;
	updateActions();
	if (oldPage != null && oldPage.isEditor() == false
	&& newPage.isEditor() == false) {
	getActionBars().updateActionBars();
	return;
	}
	PDESourcePage sourcePage = null;
	if (newPage instanceof PDESourcePage)
	sourcePage = (PDESourcePage) newPage;
	if (sourcePage != null && sourcePage.equals(oldPage))
	return;
	sourceContributor.setActiveEditor(sourcePage);
	setSourceActionBarsActive(sourcePage != null);
	}
	private void setSourceActionBarsActive(boolean active) {
	IActionBars rootBars = getActionBars();
	rootBars.clearGlobalActionHandlers();
	//PlatformUI.getWorkbench().getCommandSupport().removeHandlerSubmissions(new ArrayList());
	rootBars.updateActionBars();
	if (active) {
	sourceActionBars.activate();
	Map handlers = sourceActionBars.getGlobalActionHandlers();
	if (handlers != null) {
	Set keys = handlers.keySet();
	for (Iterator iter = keys.iterator(); iter.hasNext();) {
	String id = (String) iter.next();
	rootBars.setGlobalActionHandler(id, (IAction) handlers
	.get(id));
	}
	}
	} else {
	sourceActionBars.deactivate();
	registerGlobalActionHandlers();
	}
	rootBars.updateActionBars();
	}
	private void registerGlobalActionHandlers() {
	registerGlobalAction(ActionFactory.DELETE.getId());
	registerGlobalAction(ActionFactory.UNDO.getId());
	registerGlobalAction(ActionFactory.REDO.getId());
	registerGlobalAction(ActionFactory.CUT.getId());
	registerGlobalAction(ActionFactory.COPY.getId());
	registerGlobalAction(ActionFactory.PASTE.getId());
	registerGlobalAction(ActionFactory.SELECT_ALL.getId());
	registerGlobalAction(ActionFactory.FIND.getId());
	// hook revert
	getActionBars().setGlobalActionHandler(ActionFactory.REVERT.getId(), revertAction);
	}
	private void registerGlobalAction(String id) {
	IAction action = getGlobalAction(id);
	getActionBars().setGlobalActionHandler(id, action);
	}
	public void updateActions() {
	saveAction.update();
	revertAction.update();
	}
	public void updateSelectableActions(ISelection selection) {
	if (editor != null) {
	cutAction.selectionChanged(selection);
	copyAction.selectionChanged(selection);
	pasteAction.selectionChanged(selection);
	}
	}
	}