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
if (context == null) {
			return;
		}
		
		final IStructuredSelection selection = (IStructuredSelection) context.getSelection();
		if (ResourceSelectionUtil.allResourcesAreOfType(selection, IResource.PROJECT) == false) {
			return;
		}			
		List sel = selection.toList();
		IResourceDelta delta = event.getDelta();
		if (delta == null) {
			return;
		}
		IResourceDelta[] projDeltas = delta.getAffectedChildren(IResourceDelta.CHANGED);
		for (int i = 0; i < projDeltas.length; ++i) {
			IResourceDelta projDelta = projDeltas[i];
			if ((projDelta.getFlags() & IResourceDelta.OPEN) != 0) {
				if (sel.contains(projDelta.getResource())) {
					getNavigator().getSite().getShell().getDisplay().syncExec(new Runnable() {
						public void run() {
							addTaskAction.selectionChanged(selection);
							gotoGroup.updateActionBars();
							refactorGroup.updateActionBars();
							workspaceGroup.updateActionBars();
						}
					});
				}
			}
		}
	}