Bug 31957 Refactor/move doesn't remember non-java files
When refactoring with "rename", the list of non-java files is remembered from use to use. When using "move", the previous settings are ignored, and the last "rename" settings are used. This is based on the M5 build.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/SelectionTransferDropAdapter.java
} catch (JavaModelException e){
			ExceptionHandler.handle(e, PackagesMessages.getString("SelectionTransferDropAdapter.error.title"), PackagesMessages.getString("SelectionTransferDropAdapter.error.message")); 
		}	finally{
			
			
			
			event.detail= DND.DROP_NONE;
		}
	}
	
	private int handleValidateDefault(Object target, DropTargetEvent event) throws JavaModelException{
		if (target == null)
			return DND.DROP_NONE;
			
		if (canPasteSourceReferences(target))	
			return handleValidateCopy(target, event);
		else
			return handleValidateMove(target, event);	
	}
	
	private int handleValidateMove(Object target, DropTargetEvent event) throws JavaModelException{
		if (target == null)
			return DND.DROP_NONE;
		
		if (canPasteSourceReferences(target)){
			if (canMoveSelectedSourceReferences(target))
				return DND.DROP_MOVE;
			else	
				return DND.DROP_NONE;