Bug 184877 [CommonNavigator] No F1 help for Project Explorer view
Build: I20070501-0010 1) Open the Project Explorer view 2) Hit F1 -> There is no help available for this view.
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/CommonNavigator.java
commonManager = createCommonManager();
		if (memento != null) {			
			commonViewer.getNavigatorContentService().restoreState(memento);
		}
		commonActionGroup = createCommonActionGroup();
		commonActionGroup.fillActionBars(getViewSite().getActionBars());
		
		ISaveablesLifecycleListener saveablesLifecycleListener = new ISaveablesLifecycleListener() {
			ISaveablesLifecycleListener siteSaveablesLifecycleListener = (ISaveablesLifecycleListener) getSite()
					.getService(ISaveablesLifecycleListener.class);
			public void handleLifecycleEvent(SaveablesLifecycleEvent event) {
				if (event.getEventType() == SaveablesLifecycleEvent.DIRTY_CHANGED) {
					firePropertyChange(PROP_DIRTY);
				}
				siteSaveablesLifecycleListener.handleLifecycleEvent(event);
			}
		};
		commonViewer.getNavigatorContentService()
				.getSaveablesService().init(this, getCommonViewer(),
						saveablesLifecycleListener);
		
		getCommonViewer().addSelectionChangedListener(new ISelectionChangedListener() {
			public void selectionChanged(SelectionChangedEvent event) {
				firePropertyChange(PROP_DIRTY);
			}});
	}
	/**
	 * <p>
	 * Note: This method is for internal use only. Clients should not call this
	 * method.