Bug 208910 [CommonNavigator] Drag and Drop in Project Explorer does not use LTK move
I20071101-2000 Drag and Drop of resources in the Navigator does not use the LTK aware move operations. The easiest implementation would probably be to get a MoveResourcesDescriptor and execute a PerformRefactoringOperation on it.
bundles/org.eclipse.ui.navigator.resources/src/org/eclipse/ui/navigator/resources/ResourceDropAdapterAssistant.java
message = copyOperation.validateImportDestination(destination,
					sourceNames);
		}
		if (message != null) {
			return WorkbenchNavigatorPlugin.createErrorStatus(0, message, null);
		}
		return Status.OK_STATUS;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.navigator.CommonDropAdapterAssistant#handleDrop(CommonDropAdapter,
	 *      DropTargetEvent, Object)
	 */
	public IStatus handleDrop(CommonDropAdapter aDropAdapter,
			DropTargetEvent aDropTargetEvent, Object aTarget) {
		if (Policy.DEBUG_DND) {
			System.out
					.println("ResourceDropAdapterAssistant.handleDrop (begin)"); 
		}
		
		if (aDropAdapter.getCurrentTarget() == null
				|| aDropTargetEvent.data == null) {
			return Status.CANCEL_STATUS;
		}
		IStatus status = null;
		IResource[] resources = null;
		TransferData currentTransfer = aDropAdapter.getCurrentTransfer();
		if (LocalSelectionTransfer.getTransfer().isSupportedType(
				currentTransfer)) {