FLEX下拉多选框
自己封装的下拉多选：
<?xml version="1.0" encoding="utf-8"?><mx:Canvas xmlns:mx="http://www.adobe.com/2006/mxml" creationComplete="init()"><mx:Script><![CDATA[import mx.controls.List;import mx.collections.ArrayCollection;import CheckBoxItemRenderer;private var _seletedItems:Array;private var list:List;public var comboData:ArrayCollection;private function init():void{this.addEventListener(MouseEvent.MOUSE_OVER, addPopUp);createCombo();}public function set seletedItems(value:Array):void{_seletedItems = value;if(list){var items:ArrayCollection = list.dataProvider as ArrayCollection;for each(var obj:Object in items){if(_seletedItems.indexOf(obj["value"]) != -1){obj["checked"] = true;}else{obj["checked"] = false;}}showSeleted();}}public function get seletedItems():Array{if(list){var items:ArrayCollection = list.dataProvider as ArrayCollection;var seletedItems:Array = [];for each(var obj:Object in items){if(obj["checked"] && "" != obj["value"]){seletedItems.push(obj["value"]);}}_seletedItems = seletedItems;}return _seletedItems;}private function createCombo():void{if(null != comboData){var dataSource:ArrayCollection = new ArrayCollection();for each(var item:Object in comboData){dataSource.addItem({label:item.label,value:item.data,checked:false});}list = new List();list.dataProvider = dataSource;list.itemRenderer = new ClassFactory(CheckBoxItemRenderer);list.rowCount = 5;list.width = width;addPopUp();showSeleted();}}private function showSeleted():void{if(list){var items:ArrayCollection = list.dataProvider as ArrayCollection;var seletedItems:Array = [];for each(var obj:Object in items){if(obj["checked"] && "" != obj["value"]){seletedItems.push(obj["label"]);}}multiCombo.label = seletedItems.length > 0?seletedItems.toString():"请选择";multiCombo.toolTip = multiCombo.label;}}private function addPopUp(e:MouseEvent=null):void{if(null == multiCombo.popUp && null != list){var can:Canvas = new Canvas();can.addChild(list);multiCombo.popUp = can;}}]]></mx:Script><mx:PopUpButton id="multiCombo" label="请选择" width="{width}" textAlign="left" fontWeight="normal"openAlways="true" close="showSeleted()"/></mx:Canvas>?
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下面在别的地方引入：
<common:MultiComboBox id="multiCombo2" width="150" comboData="{mnpStatus}"/>?comboData为数据源
取值：
var arraySelected:Array = multiCombo.seletedItems as Array;
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试试去，正好要找这个组件。。先谢过