Bug 10236 Enable decorators in Type hierarchy view
See the packages view for how to do this.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
if (input != null) {
				fMethodViewerPaneLabel.setText(fPaneLabelProvider.getText(input));
				fMethodViewerPaneLabel.setImage(fPaneLabelProvider.getImage(input));
			} else {
				fMethodViewerPaneLabel.setText(""); 
				fMethodViewerPaneLabel.setImage(null);
			}
			fMethodsViewer.setInput(input);
		}
	}
	
	private void doSelectionChanged(SelectionChangedEvent e) {
		if (e.getSelectionProvider() == fMethodsViewer) {
			methodSelectionChanged(e.getSelection());
		} else {
			typeSelectionChanged(e.getSelection());
		}
	}
	
	
	
	private void methodSelectionChanged(ISelection sel) {
		if (sel instanceof IStructuredSelection) {
			List selected= ((IStructuredSelection)sel).toList();
			int nSelected= selected.size();
			if (fIsEnableMemberFilter) {
				IMember[] memberFilter= null;
				if (nSelected > 0) {
					memberFilter= new IMember[nSelected];
					selected.toArray(memberFilter);