在列表获取项目的更改后的值从的ItemRenderer [英] Get changed value of Item from ItemRenderer in List
本文介绍了在列表获取项目的更改后的值从的ItemRenderer的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有与textInput一个列表作为的itemRenderer。最初,列表装入从数据提供数据。但是,由于该项目在textInputs渲染,我必须要改变一个特定项目的价值的能力。
I have a List with textInput as itemrenderer. Initially the list is loaded with data from a data provider. However since the items are rendered in textInputs, I have the ability to change the value of a particular item.
但是,试图访问使用了以下功能更改项的值时,我仍然使用旧的价值在我的跟踪:
But when trying to access the value of the changed item using the function below, I still get the old value in my trace:
private function addItem(event:Event):void {
trace(myDataProvider.getItemAt(myList.selectedIndex).label);
}
有人可以告诉我,我需要做的新值可用。我的itemRenderer如下图所示:
can someone tell me what I need to do for the new value to be available. My itemrenderer is shown below:
<?xml version="1.0" encoding="utf-8"?>
<s:ItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
xmlns:components="components.*"
>
<s:layout>
<s:HorizontalLayout/>
</s:layout>
<fx:Script>
<![CDATA[
override public function set data( value:Object ) : void {
super.data = value;
}
protected function myTextInput_enterHandler(event:FlexEvent):void
{
trace(myTextInput.text);
What Next??
}
]]>
</fx:Script>
<components:myComp1 text="{data.label}" id="myTextInput" enter="myTextInput_enterHandler(event)"/>
</s:ItemRenderer>
感谢您的help..anyone。
Thanks for your help..anyone.
推荐答案
尝试使用:
<?xml version="1.0" encoding="utf-8"?>
<s:ItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
xmlns:components="components.*"
>
<s:layout>
<s:HorizontalLayout/>
</s:layout>
<fx:Script>
<![CDATA[
override public function set data( value:Object ) : void {
super.data = value;
}
protected function myTextInput_enterHandler(event:FlexEvent):void
{
trace(myTextInput.text);
data.label = myTextInput.text;
}
]]>
</fx:Script>
<components:myComp1 text="{data.label}" id="myTextInput" enter="myTextInput_enterHandler(event)"/>
</s:ItemRenderer>
这篇关于在列表获取项目的更改后的值从的ItemRenderer的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文