updateElements(fWorkingSetModel.getActiveWorkingSets());
	public void init(WorkingSetModel model) {		fWorkingSetModel= model;		fResourceChangeListener= new ResourceChangeListener();		ResourcesPlugin.getWorkspace().addResourceChangeListener(fResourceChangeListener, IResourceChangeEvent.POST_CHANGE);		fWorkingSetListener= new WorkingSetListener();		PlatformUI.getWorkbench().getWorkingSetManager().addPropertyChangeListener(fWorkingSetListener);		fJavaElementChangeListener= new JavaElementChangeListener();		JavaCore.addElementChangedListener(fJavaElementChangeListener, ElementChangedEvent.POST_CHANGE);		updateElements(fWorkingSetModel.getActiveWorkingSets());	}