Bug 63830 UI Popup Menu slight re-org/rename for R3.0
Navigator Remove Add Bookmark... Do not support Shift+ R refactor as meaning the same as F2 in the Navigator (F2 is rename and Shift+R does nothing) (Low Priority) Package Explorer Support F2 as direct rename in Package Explorer
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/navigator/MainActionGroup.java
protected CollapseAllAction collapseAllAction;
	protected ToggleLinkingAction toggleLinkingAction;
	
	protected GotoActionGroup gotoGroup;
	protected OpenActionGroup openGroup;
	protected RefactorActionGroup refactorGroup;
	protected WorkingSetFilterActionGroup workingSetGroup;
	protected SortAndFilterActionGroup sortAndFilterGroup;
	protected WorkspaceActionGroup workspaceGroup;
	private IResourceChangeListener resourceChangeListener;
	
	/**
	 * Constructs the main action group.
	 */
	public MainActionGroup(IResourceNavigator navigator) {
		super(navigator);
		resourceChangeListener = new IResourceChangeListener() {
			public void resourceChanged(IResourceChangeEvent event) {
				handleResourceChanged(event);
			}
		};
		ResourcesPlugin.getWorkspace().addResourceChangeListener(resourceChangeListener, IResourceChangeEvent.POST_CHANGE);
		makeSubGroups();
	}
	/**
	 * Handles a resource changed event by updating the enablement
	 * if one of the selected projects is opened or closed.
	 */
	protected void handleResourceChanged(IResourceChangeEvent event) {
		ActionContext context = getContext();