fCustomFiltersActionGroup.saveState(memento);
if (fHasCustomFilter) fCustomFiltersActionGroup.saveState(memento);
	public void saveState(IMemento memento) {		if (fViewer == null) {			// part has not been created			if (fMemento != null) //Keep the old state;				memento.putMemento(fMemento);			return;		}		if (fHasWorkingSetFilter)			fWorkingSetFilterActionGroup.saveState(memento);		fCustomFiltersActionGroup.saveState(memento);	}	