Bug 126507 [CommonNavigator] [Java] Proposed Java extension for Common Navigator
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/workingsets/ViewActionGroup.java
fActiveActionGroup= fFilterActionGroup;
			event= new PropertyChangeEvent(this, MODE_CHANGED, INT_SHOW_WORKING_SETS, INT_SHOW_PROJECTS);
		} else {
			fActiveActionGroup= fShowActionGroup;
			event= new PropertyChangeEvent(this, MODE_CHANGED, INT_SHOW_PROJECTS, INT_SHOW_WORKING_SETS);
		}
		fActiveActionGroup.fillViewMenu(fMenuManager);
		fMenuManager.updateAll(true);
		fChangeListener.propertyChange(event);
	}
	
	public WorkingSetFilterActionGroup getFilterGroup() {
		return fFilterActionGroup;
	}
	public void restoreState(IMemento memento) {
		fFilterActionGroup.restoreState(memento);
	}
	public void saveState(IMemento memento) {
		fFilterActionGroup.saveState(memento);
	}
	
	private boolean showProjects() {
		return fMode == SHOW_PROJECTS;
	}
	
	private boolean showWorkingSets() {
		return fMode == SHOW_WORKING_SETS;
	}
}