ActionScript 3 机器人内的AS3空气拖放

Posted 2021-05-23

// I Use this within my App Mediator, the view is the Application itself

override public function onRegister() : void {
			eventMap.mapListener(view, NativeDragEvent.NATIVE_DRAG_ENTER, onDragIn);
			eventMap.mapListener(view, NativeDragEvent.NATIVE_DRAG_DROP, onDragDrop);
		}

private function onDragIn(event:NativeDragEvent) : void {
			var url : String = event.clipboard.getData( ClipboardFormats.URL_FORMAT ) as String;
			var files : Array = event.clipboard.getData( ClipboardFormats.FILE_LIST_FORMAT ) as Array;
	
			if( ( files != null && files.length >= 0 ) || ( url != null ) ){ 
				NativeDragManager.acceptDragDrop(contextView);
			}
		}

private function onDragDrop(event:NativeDragEvent):void {
			var files : Array = event.clipboard.getData( ClipboardFormats.FILE_LIST_FORMAT ) as Array;
			var file:File = files[0];
			if( file.url != null ){
				dispatch(new SystemEvent(SystemEvent.LOAD_FILE, file.url));			
			}
		}