Bug 94456 [Undo] - Resource Navigator not showing workspace undo actions
The Resource Navigator is not showing the workspace undo actions. Package Explorer is correctly working. Need to look at the difference in the way the action handlers are set up.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/navigator/ResourceNavigator.java
getActionGroup().fillActionBars(getViewSite().getActionBars());
        updateActionBars((IStructuredSelection) viewer.getSelection());
        getSite().setSelectionProvider(viewer);
        getSite().getPage().addPartListener(partListener);
        IWorkingSetManager workingSetManager = getPlugin().getWorkbench()
                .getWorkingSetManager();
        workingSetManager.addPropertyChangeListener(propertyChangeListener);
        if (memento != null)
            restoreState(memento);
        memento = null;
         
        getSite().getWorkbenchWindow().getWorkbench().getHelpSystem().setHelp(
				viewer.getControl(), getHelpContextId());
    }
    /**
     * Returns the help context id to use for this view.
     * 
     * @since 2.0
     */
    protected String getHelpContextId() {
        return INavigatorHelpContextIds.RESOURCE_VIEW;
    }
    /**
     * Initializes and registers the context menu.
     * 
     * @since 2.0
     */
    protected void initContextMenu() {
        MenuManager menuMgr = new MenuManager("#PopupMenu");