Flex 4.5 Button toggle 功能
在Flex中，按钮有一个toggle功能
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描述如下：我想用Button来模拟一个类似于Checkbox的check 和uncheck功能，即点击一下，check，否则unchecked。
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mxml文件的内容如下：
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<?xml version="1.0" encoding="utf-8"?>
<s:WindowedApplicationxmlns:fx="http://ns.adobe.com/mxml/2009"
??? ??? ?xmlns:s="library://ns.adobe.com/flex/spark"
??? ??? ?xmlns:mx="library://ns.adobe.com/flex/mx" width="300" minHeight="25"
??? ??? ?creationComplete="windowedapplication1_creationCompleteHandler(event)">
??? <fx:Declarations>
??? ??? <!-- Place non-visual elements (e.g., services, value objects) here -->
??? </fx:Declarations>
??? <fx:Script>
??? ??? <![CDATA[
??? ??? ??? import mx.events.FlexEvent;
??? ??? ??? [Embed(source="btn_undone.png")]
??? ??? ??? private var normalBtnSkin:Class;
??? ??? ??? [Embed(source="btn_checked.png")]
??? ??? ??? private var flagBtnSkin:Class;
??? ??? ??? protected function statusButton_clickHandler(event:MouseEvent):void
??? ??? ??? {
??? ??? ??? ??? //We we're checking the statusButton
??? ??? ??? ??? if(statusButton.selected){
??? ??? ??? ??? ??? statusButton.setStyle("selectedUpSkin",flagBtnSkin);
??? ??? ??? ??? ??? statusButton.setStyle("selectedDownSkin",flagBtnSkin);
??? ??? ??? ??? ??? statusButton.setStyle("selectedOverSkin",flagBtnSkin);
??? ??? ??? ??? }else{
??? ??? ??? ??? ??? statusButton.setStyle("skin",normalBtnSkin);
??? ??? ??? ??? }
??? ??? ??? ??? event.stopImmediatePropagation();
??? ??? ??? }
??? ??? ???
??? ??? ??? protected function windowedapplication1_creationCompleteHandler(event:FlexEvent):void
??? ??? ??? {
??? ??? ??? ??? statusButton.setStyle("skin",normalBtnSkin);
??? ??? ??? ??? statusButton.setStyle("selectedUpSkin",normalBtnSkin);
??? ??? ??? ??? statusButton.setStyle("selectedDownSkin",normalBtnSkin);
??? ??? ??? ??? statusButton.setStyle("selectedOverSkin",normalBtnSkin);
??? ??? ??? }
??? ??? ]]>
??? </fx:Script>
???
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??? <mx:Button toggle="true" id="statusButton" click="statusButton_clickHandler(event)"
??? ??? ??? ?? label="" left="10" width="20" height="19" top="3"/>
</s:WindowedApplication>
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