Flex中禁用Combobox的可编辑属性和添加prompt属性
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2022-05-06 08:08:24
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Flex中禁用Combobox的可编辑属性和添加prompt属性
Flex中可以选择使用Dropdownlist或者Combobox来实现一些下拉列表的功能,通过本实例,Dropdownlist和Combobox基本上实现了同等功能转换
Combobox禁用了inputtext的可编辑属性。闲言碎语不要讲,我有代码来呈上!
<?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" viewSourceURL="srcview/index.html"> <fx:Script> <![CDATA[ import mx.collections.ArrayCollection; import mx.events.FlexEvent; import spark.events.DropDownEvent; private var arr:Array=[{label:"Red"},{label:"Orange"},{label:"Yellow"},{label:"Blue"},{label:"Green"}]; [Bindable] private var myData:ArrayCollection=new ArrayCollection(arr); protected function combobox1_creationCompleteHandler(event:FlexEvent):void { this.cb.textInput.text="Please Select"; } protected function cb_closeHandler(event:DropDownEvent):void { this.cb.setStyle("skinClass",undefined); } ]]> </fx:Script> <s:layout> <s:VerticalLayout verticalAlign="middle" horizontalAlign="center"/> </s:layout> <s:ComboBox id="cb" skinClass="com.MyComboBox" dataProvider="{myData}" creationComplete="combobox1_creationCompleteHandler(event)" close="cb_closeHandler(event)"/> </s:Application>