protected void restoreState(IMemento memento) { if (fHasWorkingSetFilter) fWorkingSetFilterActionGroup.restoreState(memento); if (fHasCustomFilter) fCustomFiltersActionGroup.restoreState(memento); if (fHasCustomFilter || fHasWorkingSetFilter) { fViewer.getControl().setRedraw(false); fViewer.refresh(); fViewer.getControl().setRedraw(true); } }