Bug 34335 DND doesn't work
RC2 Linux-GTK Drag and drop doesn't work. I've tried it in the DNDExample and in the package explorer and drags are never initiated.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
if (element != null && !element.equals(fInputElement)) {
			addHistoryEntry(element);
		}
			
		updateInput(element);
	}
	
	/**
	 * Changes the input to a new type
	 */
	private void updateInput(IJavaElement inputElement) {
		IJavaElement prevInput= fInputElement;
		
		
		 
		
		
		processOutstandingEvents();
		if (inputElement == null) {	
			clearInput();
		} else {
			fInputElement= inputElement;
			try {
				fHierarchyLifeCycle.ensureRefreshedTypeHierarchy(inputElement, JavaPlugin.getActiveWorkbenchWindow());
				
			} catch (InvocationTargetException e) {
				ExceptionHandler.handle(e, getSite().getShell(), TypeHierarchyMessages.getString("TypeHierarchyViewPart.exception.title"), TypeHierarchyMessages.getString("TypeHierarchyViewPart.exception.message")); 
				clearInput();
				return;
			} catch (InterruptedException e) {