PlatformUI.getWorkbench().getHelpSystem().setHelp(fPagebook, IJavaHelpContextIds.CALL_HIERARCHY_VIEW);
    public void createPartControl(Composite parent) {    	fParent= parent;    	addResizeListener(parent);        fPagebook = new PageBook(parent, SWT.NONE);        // Page 1: Viewers        createHierarchyLocationSplitter(fPagebook);        createCallHierarchyViewer(fHierarchyLocationSplitter);        createLocationViewer(fHierarchyLocationSplitter);        // Page 2: Nothing selected        fNoHierarchyShownLabel = new Label(fPagebook, SWT.TOP + SWT.LEFT + SWT.WRAP);        fNoHierarchyShownLabel.setText(CallHierarchyMessages.getString(                "CallHierarchyViewPart.empty")); //$NON-NLS-1$   		initDragAndDrop();        showPage(PAGE_EMPTY);        PlatformUI.getWorkbench().getHelpSystem().setHelp(fPagebook, IJavaHelpContextIds.CALL_HIERARCHY_VIEW);                fSelectionProviderMediator = new CallHierarchySelectionProvider(new StructuredViewer[] {                    fCallHierarchyViewer, fLocationViewer                });        IStatusLineManager slManager = getViewSite().getActionBars().getStatusLineManager();        fSelectionProviderMediator.addSelectionChangedListener(new StatusBarUpdater(slManager));        getSite().setSelectionProvider(fSelectionProviderMediator);        fClipboard= new Clipboard(parent.getDisplay());                makeActions();        fillViewMenu();        fillActionBars();        initOrientation();        initCallMode();        if (fMemento != null) {            restoreState(fMemento);        }   }