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
return;				
			}
				
			if (inputElement.getElementType() != IJavaElement.TYPE) {
				setView(VIEW_ID_TYPE);
			}
			
			setMemberFilter(null);
			fIsEnableMemberFilter= false;
			if (!inputElement.equals(prevInput)) {
				updateHierarchyViewer(true);
			}
			IType root= getSelectableType(inputElement);
			internalSelectType(root, true);
			updateMethodViewer(root);
			updateToolbarButtons();
			updateTitle();
			enableMemberFilter(false);
			fPagebook.showPage(fTypeMethodsSplitter);
		}
	}
	
	private void processOutstandingEvents() {
		Display display= getDisplay();
		if (display != null && !display.isDisposed())
			display.update();
	}	
	
	private void clearInput() {
		fInputElement= null;