bundles/org.eclipse.ui.cocoa/src/org/eclipse/ui/internal/cocoa/CocoaUIEnhancer.java - platform/eclipse.platform.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2008 Adobe Systems, 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:
  *     Adobe Systems, Inc. - initial API and implementation
  *     IBM Corporation - cleanup
  *******************************************************************************/
 package org.eclipse.ui.internal.cocoa;

 import java.text.*;
 import java.util.*;

 import org.eclipse.core.commands.*;
 import org.eclipse.core.commands.common.*;
 import org.eclipse.core.runtime.*;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.jface.action.*;
 import org.eclipse.swt.*;
 import org.eclipse.swt.internal.*;
 import org.eclipse.swt.internal.cocoa.*;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.*;
 import org.eclipse.ui.handlers.*;
 import org.eclipse.ui.internal.*;

 /**
  * The CocoaUIEnhancer provides the standard "About" and "Preference" menu items
  * and links them to the corresponding workbench commands.
  * This must be done in a MacOS X fragment because SWT doesn't provide an abstraction
  * for the (MacOS X only) application menu and we have to use MacOS specific natives.
  * The fragment is for the org.eclipse.ui plugin because we need access to the
  * Workbench "About" and "Preference" actions.
  *
  * @noreference this class is not intended to be referenced by any client.
  * @since 1.0
  */
 public class CocoaUIEnhancer implements IStartup {

 	private static final int kAboutMenuItem = 0;
 	private static final int kPreferencesMenuItem = 2;
 	private static final int kServicesMenuItem = 4;
 	private static final int kHideApplicationMenuItem = 6;
 	private static final int kQuitMenuItem = 10;

 	static Callback proc3Args;
 	static final String SWT_OBJECT = "SWT_OBJECT"; //$NON-NLS-1$
 	static final int /*long*/ sel_toolbarButtonClicked_ = OS.sel_registerName("toolbarButtonClicked:"); //$NON-NLS-1$
 	static final int /*long*/ sel_preferencesMenuItemSelected_ = OS.sel_registerName("preferencesMenuItemSelected:"); //$NON-NLS-1$
 	static final int /*long*/ sel_aboutMenuItemSelected_ = OS.sel_registerName("aboutMenuItemSelected:"); //$NON-NLS-1$

 	static {
 		String className = "SWTCocoaEnhancerDelegate"; //$NON-NLS-1$

 		// TODO: These should either move out of Display or be accessible to this class.
 		String types = "*"; //$NON-NLS-1$
 		int size = C.PTR_SIZEOF, align = C.PTR_SIZEOF == 4 ? 2 : 3;

 		Class clazz = CocoaUIEnhancer.class;

 		proc3Args = new Callback(clazz, "actionProc", 3); //$NON-NLS-1$
 		int /*long*/ proc3 = proc3Args.getAddress();
 		if (proc3 == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS);

 		int /*long*/ cls = OS.objc_allocateClassPair(OS.class_NSObject, className, 0);
 		OS.class_addIvar(cls, SWT_OBJECT, size, (byte)align, types);

 		// Add the action callback
 		OS.class_addMethod(cls, sel_toolbarButtonClicked_, proc3, "@:@"); //$NON-NLS-1$
 		OS.class_addMethod(cls, sel_preferencesMenuItemSelected_, proc3, "@:@"); //$NON-NLS-1$
 		OS.class_addMethod(cls, sel_aboutMenuItemSelected_, proc3, "@:@"); //$NON-NLS-1$

 		OS.objc_registerClassPair(cls);
 	}

 	SWTCocoaEnhancerDelegate delegate;
 	private int /*long*/ delegateJniRef;

 	/**
 	 * Class that is able to intercept and handle OS events from the toolbar and menu.
 	 *
 	 * @since 3.1
 	 */

     private static final String RESOURCE_BUNDLE = CocoaUIEnhancer.class.getPackage().getName() + ".Messages"; //$NON-NLS-1$

     private String fAboutActionName;
     private String fQuitActionName;
     private String fHideActionName;

     /**
      * Default constructor
      */
     public CocoaUIEnhancer() {
         IProduct product = Platform.getProduct();
         String productName = null;
         if (product != null)
             productName = product.getName();

 		ResourceBundle resourceBundle = ResourceBundle.getBundle(RESOURCE_BUNDLE);
 		try {
 			if (productName != null) {
 				String format = resourceBundle.getString("AboutAction.format"); //$NON-NLS-1$
 				if (format != null)
 					fAboutActionName= MessageFormat.format(format, new Object[] { productName } );
 			}
 			if (fAboutActionName == null)
 				fAboutActionName = resourceBundle.getString("AboutAction.name"); //$NON-NLS-1$
 		} catch (MissingResourceException e) {
 		}

 		if (fAboutActionName == null)
 			fAboutActionName = "About"; //$NON-NLS-1$

 		if (productName != null) {
 			try {
 				// prime the format Hide <app name>
 				String format = resourceBundle.getString("HideAction.format"); //$NON-NLS-1$
 				if (format != null)
 					fHideActionName = MessageFormat.format(format,
 							new Object[] { productName });

 			} catch (MissingResourceException e) {
 			}

 			try {
 				// prime the format Quit <app name>
 				String format = resourceBundle.getString("QuitAction.format"); //$NON-NLS-1$
 				if (format != null)
 					fQuitActionName = MessageFormat.format(format,
 							new Object[] { productName });

 			} catch (MissingResourceException e) {
 			}
 		}

     }

     /* (non-Javadoc)
      * @see org.eclipse.ui.IStartup#earlyStartup()
      */
     public void earlyStartup() {
         final Display display = Display.getDefault();
         display.syncExec(new Runnable() {
             public void run() {
         		delegate = new SWTCocoaEnhancerDelegate();
         		delegate.alloc().init();
         		delegateJniRef = OS.NewGlobalRef(CocoaUIEnhancer.this);
         		if (delegateJniRef == 0) SWT.error(SWT.ERROR_NO_HANDLES);
         		OS.object_setInstanceVariable(delegate.id, SWT_OBJECT, delegateJniRef);

         		hookApplicationMenu();
 				hookWorkbenchListener();

 		        // schedule disposal of callback object
 		        display.disposeExec(new Runnable() {
 		            public void run() {
 		            	if (delegateJniRef != 0) OS.DeleteGlobalRef(delegateJniRef);
 		            	delegateJniRef = 0;

 		            	if (delegate != null) delegate.release();
 		            	delegate = null;

 		            	if (proc3Args != null) proc3Args.dispose();
 		                proc3Args = null;
 		            }
 		        });

 				// modify all shells opened on startup
 				IWorkbenchWindow[] windows = PlatformUI.getWorkbench()
 						.getWorkbenchWindows();
 				for (int i = 0; i < windows.length; i++) {
 					modifyWindowShell(windows[i]);
 				}
 			}
         });
     }

     /**
 	 * Hooks a listener that tweaks newly opened workbench window shells with
 	 * the proper OS flags.
 	 *
 	 * @since 3.2
 	 */
     protected void hookWorkbenchListener() {
 		PlatformUI.getWorkbench().addWindowListener(new IWindowListener() {

 			public void windowActivated(IWorkbenchWindow window) {
 				// no-op
 			}

 			public void windowDeactivated(IWorkbenchWindow window) {
 				// no-op
 			}

 			public void windowClosed(IWorkbenchWindow window) {
 				// no-op
 			}

 			public void windowOpened(IWorkbenchWindow window) {
 				modifyWindowShell(window);
 			}});
 	}

     /**
 	 * Modify the given workbench window shell bits to show the toolbar toggle
 	 * button.
 	 *
 	 * @param window
 	 *            the window to modify
 	 * @since 3.2
 	 */
 	protected void modifyWindowShell(IWorkbenchWindow window) {
 		// only add the button when either the coolbar or perspectivebar
 		// is initially visible. This is so that RCP apps can choose to use
 		// this fragment without fear that their explicitly invisble bars
 		// can't be shown.
 		boolean coolBarInitiallyVsible = ((WorkbenchWindow) window)
 				.getCoolBarVisible();
 		boolean perspectiveBarInitiallyVsible = ((WorkbenchWindow) window)
 				.getPerspectiveBarVisible();

 		if (coolBarInitiallyVsible || perspectiveBarInitiallyVsible) {
 			// Add an empty, hidden toolbar to the window.  Without this the
 			// toolbar button at the top right of the window will not appear
 			// even when setShowsToolbarButton(true) is called.
 			NSToolbar dummyBar = new NSToolbar();
 			dummyBar.alloc();
 			dummyBar.initWithIdentifier(NSString.stringWith("SWTToolbar")); //$NON-NLS-1$
 			dummyBar.setVisible(false);

 			Shell shell = window.getShell();
 			NSWindow nsWindow = shell.view.window();
 			nsWindow.setToolbar(dummyBar);
 			nsWindow.setShowsToolbarButton(true);

 			// Override the target and action of the toolbar button so we can control it.
 			NSButton toolbarButton = nsWindow.standardWindowButton(OS.NSWindowToolbarButton);
 			toolbarButton.setTarget(delegate);
 			toolbarButton.setAction(sel_toolbarButtonClicked_);
 		}
 	}

     private void hookApplicationMenu() {
         // create About Eclipse menu command
     	NSMenu mainMenu = NSApplication.sharedApplication().mainMenu();
     	NSMenu appMenu = mainMenu.itemAtIndex(0).submenu();

         // add the about action
     	NSMenuItem aboutMenuItem = appMenu.itemAtIndex(kAboutMenuItem);
     	aboutMenuItem.setTitle(NSString.stringWith(fAboutActionName));

     	// rename the hide action if we have an override string
     	if (fHideActionName != null) {
         	NSMenuItem hideMenuItem = appMenu.itemAtIndex(kHideApplicationMenuItem);
         	hideMenuItem.setTitle(NSString.stringWith(fHideActionName));
     	}

     	// rename the quit action if we have an override string
     	if (fQuitActionName != null) {
         	NSMenuItem quitMenuItem = appMenu.itemAtIndex(kQuitMenuItem);
         	quitMenuItem.setTitle(NSString.stringWith(fQuitActionName));
     	}

     	// enable pref menu
     	appMenu.itemAtIndex(kPreferencesMenuItem).setEnabled(true);

     	// disable services menu
     	appMenu.itemAtIndex(kServicesMenuItem).setEnabled(false);

     	// Register as a target on the prefs and quit items.
     	appMenu.itemAtIndex(kPreferencesMenuItem).setTarget(delegate);
     	appMenu.itemAtIndex(kPreferencesMenuItem).setAction(sel_preferencesMenuItemSelected_);
     	appMenu.itemAtIndex(kAboutMenuItem).setTarget(delegate);
     	appMenu.itemAtIndex(kAboutMenuItem).setAction(sel_aboutMenuItemSelected_);
     }

     /**
      * Locate an action with the given id in the current menubar and run it.
      */
     private void runAction(String actionId) {
         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
         if (window != null) {
         	IMenuManager manager = ((WorkbenchWindow)window).getActionBars().getMenuManager();
         	IAction action = findAction(actionId, manager);
         	if (action != null && action.isEnabled()) {
         		NSMenu mainMenu = NSApplication.sharedApplication().mainMenu();
         		NSMenu appMenu = mainMenu.itemAtIndex(0).submenu();
         		try {
         			appMenu.itemAtIndex(kPreferencesMenuItem).setEnabled(false);
         	    	appMenu.itemAtIndex(kAboutMenuItem).setEnabled(false);
         	    	action.run();
         		}
         		finally {
         			appMenu.itemAtIndex(kPreferencesMenuItem).setEnabled(true);
         	    	appMenu.itemAtIndex(kAboutMenuItem).setEnabled(true);
         		}
         	}
         }

     }

     private void runCommand(String commandId) {
 		IWorkbench workbench = PlatformUI.getWorkbench();
 		if (workbench == null)
 			return;

 		IWorkbenchWindow activeWorkbenchWindow = workbench
 				.getActiveWorkbenchWindow();
 		if (activeWorkbenchWindow == null)
 			return;

 		IHandlerService commandService = (IHandlerService) activeWorkbenchWindow
 				.getService(IHandlerService.class);

 		if (commandService != null) {
 			try {
 				commandService.executeCommand(commandId, null);
 			} catch (ExecutionException e) {
 			} catch (NotDefinedException e) {
 			} catch (NotEnabledException e) {
 			} catch (NotHandledException e) {
 			}
 		}
 	}

     /**
 	 * Find the action with the given ID by recursivly crawling the provided
 	 * menu manager. If the action cannot be found <code>null</code> is
 	 * returned.
 	 *
 	 * @param actionId
 	 *            the id to search for
 	 * @param manager
 	 *            the manager to search
 	 * @return the action or <code>null</code>
 	 */
 	private IAction findAction(String actionId, IMenuManager manager) {
 		IContributionItem[] items = manager.getItems();
 		for (int i = 0; i < items.length; i++) {
 			IContributionItem item = items[i];
 			if (item instanceof ActionContributionItem) {
 				ActionContributionItem aci = (ActionContributionItem) item;
 				String id = aci.getId();
 				if (id != null && id.equals(actionId))
 					return aci.getAction();
 			} else if (item instanceof IMenuManager) {
 				IAction found = findAction(actionId, (IMenuManager) item);
 				if (found != null)
 					return found;
 			}
 		}
 		return null;
 	}

 	/*
 	 * Action implementations for the toolbar button and preferences and about menu items
 	 */
 	void toolbarButtonClicked (NSControl source) {
 		NSWindow window = source.window();
 		Widget widget = Display.getCurrent().findWidget(window.id);

 		if (!(widget instanceof Shell)) {
 			return;
 		}
 		Shell shell = (Shell) widget;
 		IWorkbenchWindow[] windows = PlatformUI.getWorkbench()
 		.getWorkbenchWindows();
 		for (int i = 0; i < windows.length; i++) {
 			if (windows[i].getShell() == shell) {
 				runCommand("org.eclipse.ui.ToggleCoolbarAction"); //$NON-NLS-1$
 			}
 		}
 	}

 	void preferencesMenuItemSelected() {
 		runAction("preferences"); //$NON-NLS-1$
 	}

 	void aboutMenuItemSelected() {
 		runAction("about"); //$NON-NLS-1$
 	}


 	static int /*long*/ actionProc(int /*long*/ id, int /*long*/ sel, int /*long*/ arg0) {
 		int /*long*/ [] jniRef = new int /*long*/ [1];
 		OS.object_getInstanceVariable(id, SWT_OBJECT, jniRef);
 		if (jniRef[0] == 0) return 0;

 		CocoaUIEnhancer delegate = (CocoaUIEnhancer) OS.JNIGetObject(jniRef[0]);

 		if (sel == sel_toolbarButtonClicked_) {
 			NSControl source = new NSControl(arg0);
 			delegate.toolbarButtonClicked(source);
 		} else if (sel == sel_preferencesMenuItemSelected_) {
 			delegate.preferencesMenuItemSelected();
 		} else if (sel == sel_aboutMenuItemSelected_) {
 			delegate.aboutMenuItemSelected();
 		}

 		return 0;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2008 Adobe Systems, 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:
	* Adobe Systems, Inc. - initial API and implementation
	* IBM Corporation - cleanup
	*******************************************************************************/
	package org.eclipse.ui.internal.cocoa;

	import java.text.*;
	import java.util.*;

	import org.eclipse.core.commands.*;
	import org.eclipse.core.commands.common.*;
	import org.eclipse.core.runtime.*;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.jface.action.*;
	import org.eclipse.swt.*;
	import org.eclipse.swt.internal.*;
	import org.eclipse.swt.internal.cocoa.*;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.*;
	import org.eclipse.ui.handlers.*;
	import org.eclipse.ui.internal.*;

	/**
	* The CocoaUIEnhancer provides the standard "About" and "Preference" menu items
	* and links them to the corresponding workbench commands.
	* This must be done in a MacOS X fragment because SWT doesn't provide an abstraction
	* for the (MacOS X only) application menu and we have to use MacOS specific natives.
	* The fragment is for the org.eclipse.ui plugin because we need access to the
	* Workbench "About" and "Preference" actions.
	*
	* @noreference this class is not intended to be referenced by any client.
	* @since 1.0
	*/
	public class CocoaUIEnhancer implements IStartup {

	private static final int kAboutMenuItem = 0;
	private static final int kPreferencesMenuItem = 2;
	private static final int kServicesMenuItem = 4;
	private static final int kHideApplicationMenuItem = 6;
	private static final int kQuitMenuItem = 10;

	static Callback proc3Args;
	static final String SWT_OBJECT = "SWT_OBJECT"; //$NON-NLS-1$
	static final int /long/ sel_toolbarButtonClicked_ = OS.sel_registerName("toolbarButtonClicked:"); //$NON-NLS-1$
	static final int /long/ sel_preferencesMenuItemSelected_ = OS.sel_registerName("preferencesMenuItemSelected:"); //$NON-NLS-1$
	static final int /long/ sel_aboutMenuItemSelected_ = OS.sel_registerName("aboutMenuItemSelected:"); //$NON-NLS-1$

	static {
	String className = "SWTCocoaEnhancerDelegate"; //$NON-NLS-1$

	// TODO: These should either move out of Display or be accessible to this class.
	String types = "*"; //$NON-NLS-1$
	int size = C.PTR_SIZEOF, align = C.PTR_SIZEOF == 4 ? 2 : 3;

	Class clazz = CocoaUIEnhancer.class;

	proc3Args = new Callback(clazz, "actionProc", 3); //$NON-NLS-1$
	int /long/ proc3 = proc3Args.getAddress();
	if (proc3 == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS);

	int /long/ cls = OS.objc_allocateClassPair(OS.class_NSObject, className, 0);
	OS.class_addIvar(cls, SWT_OBJECT, size, (byte)align, types);

	// Add the action callback
	OS.class_addMethod(cls, sel_toolbarButtonClicked_, proc3, "@:@"); //$NON-NLS-1$
	OS.class_addMethod(cls, sel_preferencesMenuItemSelected_, proc3, "@:@"); //$NON-NLS-1$
	OS.class_addMethod(cls, sel_aboutMenuItemSelected_, proc3, "@:@"); //$NON-NLS-1$

	OS.objc_registerClassPair(cls);
	}

	SWTCocoaEnhancerDelegate delegate;
	private int /long/ delegateJniRef;

	/**
	* Class that is able to intercept and handle OS events from the toolbar and menu.
	*
	* @since 3.1
	*/

	private static final String RESOURCE_BUNDLE = CocoaUIEnhancer.class.getPackage().getName() + ".Messages"; //$NON-NLS-1$

	private String fAboutActionName;
	private String fQuitActionName;
	private String fHideActionName;

	/**
	* Default constructor
	*/
	public CocoaUIEnhancer() {
	IProduct product = Platform.getProduct();
	String productName = null;
	if (product != null)
	productName = product.getName();

	ResourceBundle resourceBundle = ResourceBundle.getBundle(RESOURCE_BUNDLE);
	try {
	if (productName != null) {
	String format = resourceBundle.getString("AboutAction.format"); //$NON-NLS-1$
	if (format != null)
	fAboutActionName= MessageFormat.format(format, new Object[] { productName } );
	}
	if (fAboutActionName == null)
	fAboutActionName = resourceBundle.getString("AboutAction.name"); //$NON-NLS-1$
	} catch (MissingResourceException e) {
	}

	if (fAboutActionName == null)
	fAboutActionName = "About"; //$NON-NLS-1$

	if (productName != null) {
	try {
	// prime the format Hide <app name>
	String format = resourceBundle.getString("HideAction.format"); //$NON-NLS-1$
	if (format != null)
	fHideActionName = MessageFormat.format(format,
	new Object[] { productName });

	} catch (MissingResourceException e) {
	}

	try {
	// prime the format Quit <app name>
	String format = resourceBundle.getString("QuitAction.format"); //$NON-NLS-1$
	if (format != null)
	fQuitActionName = MessageFormat.format(format,
	new Object[] { productName });

	} catch (MissingResourceException e) {
	}
	}

	}

	/* (non-Javadoc)
	* @see org.eclipse.ui.IStartup#earlyStartup()
	*/
	public void earlyStartup() {
	final Display display = Display.getDefault();
	display.syncExec(new Runnable() {
	public void run() {
	delegate = new SWTCocoaEnhancerDelegate();
	delegate.alloc().init();
	delegateJniRef = OS.NewGlobalRef(CocoaUIEnhancer.this);
	if (delegateJniRef == 0) SWT.error(SWT.ERROR_NO_HANDLES);
	OS.object_setInstanceVariable(delegate.id, SWT_OBJECT, delegateJniRef);

	hookApplicationMenu();
	hookWorkbenchListener();

	// schedule disposal of callback object
	display.disposeExec(new Runnable() {
	public void run() {
	if (delegateJniRef != 0) OS.DeleteGlobalRef(delegateJniRef);
	delegateJniRef = 0;

	if (delegate != null) delegate.release();
	delegate = null;

	if (proc3Args != null) proc3Args.dispose();
	proc3Args = null;
	}
	});

	// modify all shells opened on startup
	IWorkbenchWindow[] windows = PlatformUI.getWorkbench()
	.getWorkbenchWindows();
	for (int i = 0; i < windows.length; i++) {
	modifyWindowShell(windows[i]);
	}
	}
	});
	}

	/**
	* Hooks a listener that tweaks newly opened workbench window shells with
	* the proper OS flags.
	*
	* @since 3.2
	*/
	protected void hookWorkbenchListener() {
	PlatformUI.getWorkbench().addWindowListener(new IWindowListener() {

	public void windowActivated(IWorkbenchWindow window) {
	// no-op
	}

	public void windowDeactivated(IWorkbenchWindow window) {
	// no-op
	}

	public void windowClosed(IWorkbenchWindow window) {
	// no-op
	}

	public void windowOpened(IWorkbenchWindow window) {
	modifyWindowShell(window);
	}});
	}

	/**
	* Modify the given workbench window shell bits to show the toolbar toggle
	* button.
	*
	* @param window
	* the window to modify
	* @since 3.2
	*/
	protected void modifyWindowShell(IWorkbenchWindow window) {
	// only add the button when either the coolbar or perspectivebar
	// is initially visible. This is so that RCP apps can choose to use
	// this fragment without fear that their explicitly invisble bars
	// can't be shown.
	boolean coolBarInitiallyVsible = ((WorkbenchWindow) window)
	.getCoolBarVisible();
	boolean perspectiveBarInitiallyVsible = ((WorkbenchWindow) window)
	.getPerspectiveBarVisible();

	if (coolBarInitiallyVsible \|\| perspectiveBarInitiallyVsible) {
	// Add an empty, hidden toolbar to the window. Without this the
	// toolbar button at the top right of the window will not appear
	// even when setShowsToolbarButton(true) is called.
	NSToolbar dummyBar = new NSToolbar();
	dummyBar.alloc();
	dummyBar.initWithIdentifier(NSString.stringWith("SWTToolbar")); //$NON-NLS-1$
	dummyBar.setVisible(false);

	Shell shell = window.getShell();
	NSWindow nsWindow = shell.view.window();
	nsWindow.setToolbar(dummyBar);
	nsWindow.setShowsToolbarButton(true);

	// Override the target and action of the toolbar button so we can control it.
	NSButton toolbarButton = nsWindow.standardWindowButton(OS.NSWindowToolbarButton);
	toolbarButton.setTarget(delegate);
	toolbarButton.setAction(sel_toolbarButtonClicked_);
	}
	}

	private void hookApplicationMenu() {
	// create About Eclipse menu command
	NSMenu mainMenu = NSApplication.sharedApplication().mainMenu();
	NSMenu appMenu = mainMenu.itemAtIndex(0).submenu();

	// add the about action
	NSMenuItem aboutMenuItem = appMenu.itemAtIndex(kAboutMenuItem);
	aboutMenuItem.setTitle(NSString.stringWith(fAboutActionName));

	// rename the hide action if we have an override string
	if (fHideActionName != null) {
	NSMenuItem hideMenuItem = appMenu.itemAtIndex(kHideApplicationMenuItem);
	hideMenuItem.setTitle(NSString.stringWith(fHideActionName));
	}

	// rename the quit action if we have an override string
	if (fQuitActionName != null) {
	NSMenuItem quitMenuItem = appMenu.itemAtIndex(kQuitMenuItem);
	quitMenuItem.setTitle(NSString.stringWith(fQuitActionName));
	}

	// enable pref menu
	appMenu.itemAtIndex(kPreferencesMenuItem).setEnabled(true);

	// disable services menu
	appMenu.itemAtIndex(kServicesMenuItem).setEnabled(false);

	// Register as a target on the prefs and quit items.
	appMenu.itemAtIndex(kPreferencesMenuItem).setTarget(delegate);
	appMenu.itemAtIndex(kPreferencesMenuItem).setAction(sel_preferencesMenuItemSelected_);
	appMenu.itemAtIndex(kAboutMenuItem).setTarget(delegate);
	appMenu.itemAtIndex(kAboutMenuItem).setAction(sel_aboutMenuItemSelected_);
	}

	/**
	* Locate an action with the given id in the current menubar and run it.
	*/
	private void runAction(String actionId) {
	IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
	if (window != null) {
	IMenuManager manager = ((WorkbenchWindow)window).getActionBars().getMenuManager();
	IAction action = findAction(actionId, manager);
	if (action != null && action.isEnabled()) {
	NSMenu mainMenu = NSApplication.sharedApplication().mainMenu();
	NSMenu appMenu = mainMenu.itemAtIndex(0).submenu();
	try {
	appMenu.itemAtIndex(kPreferencesMenuItem).setEnabled(false);
	appMenu.itemAtIndex(kAboutMenuItem).setEnabled(false);
	action.run();
	}
	finally {
	appMenu.itemAtIndex(kPreferencesMenuItem).setEnabled(true);
	appMenu.itemAtIndex(kAboutMenuItem).setEnabled(true);
	}
	}
	}

	}

	private void runCommand(String commandId) {
	IWorkbench workbench = PlatformUI.getWorkbench();
	if (workbench == null)
	return;

	IWorkbenchWindow activeWorkbenchWindow = workbench
	.getActiveWorkbenchWindow();
	if (activeWorkbenchWindow == null)
	return;

	IHandlerService commandService = (IHandlerService) activeWorkbenchWindow
	.getService(IHandlerService.class);

	if (commandService != null) {
	try {
	commandService.executeCommand(commandId, null);
	} catch (ExecutionException e) {
	} catch (NotDefinedException e) {
	} catch (NotEnabledException e) {
	} catch (NotHandledException e) {
	}
	}
	}

	/**
	* Find the action with the given ID by recursivly crawling the provided
	* menu manager. If the action cannot be found <code>null</code> is
	* returned.
	*
	* @param actionId
	* the id to search for
	* @param manager
	* the manager to search
	* @return the action or <code>null</code>
	*/
	private IAction findAction(String actionId, IMenuManager manager) {
	IContributionItem[] items = manager.getItems();
	for (int i = 0; i < items.length; i++) {
	IContributionItem item = items[i];
	if (item instanceof ActionContributionItem) {
	ActionContributionItem aci = (ActionContributionItem) item;
	String id = aci.getId();
	if (id != null && id.equals(actionId))
	return aci.getAction();
	} else if (item instanceof IMenuManager) {
	IAction found = findAction(actionId, (IMenuManager) item);
	if (found != null)
	return found;
	}
	}
	return null;
	}

	/*
	* Action implementations for the toolbar button and preferences and about menu items
	*/
	void toolbarButtonClicked (NSControl source) {
	NSWindow window = source.window();
	Widget widget = Display.getCurrent().findWidget(window.id);

	if (!(widget instanceof Shell)) {
	return;
	}
	Shell shell = (Shell) widget;
	IWorkbenchWindow[] windows = PlatformUI.getWorkbench()
	.getWorkbenchWindows();
	for (int i = 0; i < windows.length; i++) {
	if (windows[i].getShell() == shell) {
	runCommand("org.eclipse.ui.ToggleCoolbarAction"); //$NON-NLS-1$
	}
	}
	}

	void preferencesMenuItemSelected() {
	runAction("preferences"); //$NON-NLS-1$
	}

	void aboutMenuItemSelected() {
	runAction("about"); //$NON-NLS-1$
	}


	static int /long/ actionProc(int /long/ id, int /long/ sel, int /long/ arg0) {
	int /long/ [] jniRef = new int /long/ [1];
	OS.object_getInstanceVariable(id, SWT_OBJECT, jniRef);
	if (jniRef[0] == 0) return 0;

	CocoaUIEnhancer delegate = (CocoaUIEnhancer) OS.JNIGetObject(jniRef[0]);

	if (sel == sel_toolbarButtonClicked_) {
	NSControl source = new NSControl(arg0);
	delegate.toolbarButtonClicked(source);
	} else if (sel == sel_preferencesMenuItemSelected_) {
	delegate.preferencesMenuItemSelected();
	} else if (sel == sel_aboutMenuItemSelected_) {
	delegate.aboutMenuItemSelected();
	}

	return 0;
	}

	}