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
private AddMethodStubAction fAddStubAction;
	private FocusOnTypeAction fFocusOnTypeAction;
	private FocusOnSelectionAction fFocusOnSelectionAction;
	private CompositeActionGroup fActionGroups;
	private CCPActionGroup fCCPActionGroup;
	private SelectAllAction fSelectAllAction;
	
	public TypeHierarchyViewPart() {
		fSelectedType= null;
		fInputElement= null;
		fIsVisible= false;
		fIsRefreshRunnablePosted= false;
		
		boolean isReconciled= PreferenceConstants.UPDATE_WHILE_EDITING.equals(PreferenceConstants.getPreferenceStore().getString(PreferenceConstants.UPDATE_JAVA_VIEWS));
		fHierarchyLifeCycle= new TypeHierarchyLifeCycle();
		fHierarchyLifeCycle.setReconciled(isReconciled);
		fTypeHierarchyLifeCycleListener= new ITypeHierarchyLifeCycleListener() {
			public void typeHierarchyChanged(TypeHierarchyLifeCycle typeHierarchy, IType[] changedTypes) {
				doTypeHierarchyChanged(typeHierarchy, changedTypes);
			}
		};
		fHierarchyLifeCycle.addChangedListener(fTypeHierarchyLifeCycleListener);
		
		fPropertyChangeListener= new IPropertyChangeListener() {
			public void propertyChange(PropertyChangeEvent event) {
				doPropertyChange(event);
			}
		};
		PreferenceConstants.getPreferenceStore().addPropertyChangeListener(fPropertyChangeListener);
		fIsEnableMemberFilter= false;