Bug 60714 Call Hierarchy: display search scope in view title
Call Hierarchy should display the current search scope in the view title, like the Search View does. E.g.: Members calling 'updateView()' - in Workspace Calls from 'updateView()' - in Working Set: my projects
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/callhierarchy/CallHierarchyViewPart.java
addDropAdapters(fCallHierarchyViewer, ops | DND.DROP_DEFAULT, transfers);
        addDropAdapters(fLocationViewer, ops | DND.DROP_DEFAULT, transfers);
        
        DropTarget dropTarget = new DropTarget(fNoHierarchyShownLabel, ops | DND.DROP_DEFAULT);
        dropTarget.setTransfer(transfers);
        dropTarget.addDropListener(new CallHierarchyTransferDropAdapter(this, fCallHierarchyViewer));
    }
    
    private void addDropAdapters(StructuredViewer viewer, int ops, Transfer[] transfers){
        TransferDropTargetListener[] dropListeners= new TransferDropTargetListener[] {
            new CallHierarchyTransferDropAdapter(this, viewer)
        };
        viewer.addDropSupport(ops, transfers, new DelegatingDropAdapter(dropListeners));
    }
    private void addDragAdapters(StructuredViewer viewer, int ops, Transfer[] transfers) {
        TransferDragSourceListener[] dragListeners= new TransferDragSourceListener[] {
            new SelectionTransferDragAdapter(viewer)
        };
        viewer.addDragSupport(ops, transfers, new JdtViewerDragAdapter(viewer, dragListeners));
    }   
            
    public void createPartControl(Composite parent) {
    	fParent= parent;
    	addResizeListener(parent);
        fPagebook = new PageBook(parent, SWT.NONE);
        
        createHierarchyLocationSplitter(fPagebook);
        createCallHierarchyViewer(fHierarchyLocationSplitter);
        createLocationViewer(fHierarchyLocationSplitter);