viewer.setLabelProvider(new DecoratingLabelProvider(new PostfixLabelProvider(this), PlatformUI.getWorkbench().getDecoratorManager().getLabelDecorator()));
viewer.setLabelProvider(new ColorDecoratingLabelProvider(new PostfixLabelProvider(this), PlatformUI.getWorkbench().getDecoratorManager().getLabelDecorator()));
	protected void configureTreeViewer(TreeViewer viewer) {		viewer.setUseHashlookup(true);		viewer.setSorter(new ViewerSorter());		viewer.setLabelProvider(new DecoratingLabelProvider(new PostfixLabelProvider(this), PlatformUI.getWorkbench().getDecoratorManager().getLabelDecorator()));		fContentProvider= new LevelTreeContentProvider(this, fCurrentGrouping);		viewer.setContentProvider(fContentProvider);	}