ActionScript：如何监听来自不同 XML 的事件

Question

我有一个弹出屏幕，玩家可以在其中输入他们的名字并单击“确定”。单击“确定”后，我希望将玩家的名字传递给主 XML。我该怎么做？

这是处理弹出窗口的主要 XML 函数：

    private function NewHighScore():void{
        highScorePopup = PopUpManager.createPopUp(this, Popup, true) as Popup;
        highScorePopup.SetScore(playerscore);
        PopUpManager.centerPopUp(highScorePopup);
        playerName = highScorePopup.getName();
        trace(playerName);
    }

这是弹出 XML 脚本：

        import mx.events.CloseEvent;
    import mx.managers.PopUpManager;

    import spark.events.TextOperationEvent;
    public var playerName:String;

    public function SetScore (playerScore:int):void{
        scoreDisplay.text = "You achieved a new high score of " + playerScore.toString();
    }

    protected function button1_clickHandler(event:MouseEvent):void{ remove(); }

    private function remove():void{ PopUpManager.removePopUp(this);}

    protected function titlewindow1_closeHandler(event:CloseEvent):void
    { remove();}

    protected function nameBox_changeHandler(event:TextOperationEvent):void
    {playerName = nameBox.text;}

    public function getName():String{
    return playerName;
    }

Answer 1

等待玩家输入名字是一个异步过程，因此您必须等待弹窗派发的事件。由于单击“确定”按钮后弹出窗口会自行关闭（从舞台上删除），因此您可以在该弹出窗口中侦听 Event.REMOVED_FROM_STAGE 事件，然后才从弹出窗口中收集数据。不要 for get 从弹出窗口中删除事件侦听器，以免泄漏实例。

private function NewHighScore():void{
    highScorePopup = PopUpManager.createPopUp(this, Popup, true) as Popup;
    highScorePopup.SetScore(playerscore);
    PopUpManager.centerPopUp(highScorePopup);
    highScorePopup.addEventListener(Event.REMOVED_FROM_STAGE,getPlayerName);
}
function getPlayerName(event:Event):void {
    event.target.removeEventListener(Event.REMOVED_FROM_STAGE,getPlayerName);
    var popup:Popup=event.target as Popup;
    if (!popup) return;
    var playerName:String=popup.getName(); // now the name will be populated
    // do stuff with the name
}

ActionScript：如何监听来自不同 XML 的事件

ActionScript: How to listen for an event from a different XML

events

mxml

actionscript-3

flash-builder