flex ComboBox 打开关闭验证
发布时间:2020-12-15 05:00:44 所属栏目:百科 来源:网络整理
导读:?xml version="1.0" encoding="utf-8"?!-- http://blog.flexexamples.com/2007/12/13/programmatically-opening-and-closing-combobox-controls-in-flex/ --mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" verticalAlign="top
<?xml version="1.0" encoding="utf-8"?> <!-- http://blog.flexexamples.com/2007/12/13/programmatically-opening-and-closing-combobox-controls-in-flex/ --> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" verticalAlign="top" backgroundColor="white" viewSourceURL="srcview/index.html"> <mx:Script> <![CDATA[ import mx.events.ValidationResultEvent; import mx.controls.Alert; private function numberValidator_invalid(evt:ValidationResultEvent):void { comboBox.errorString = "Please select a thing"; comboBox.open(); } private function numberValidator_valid(evt:ValidationResultEvent):void { comboBox.errorString = ""; Alert.show("Success"); } private function validateCheckBox():void { numberValidator.validate(comboBox.selectedIndex); } ]]> </mx:Script> <mx:NumberValidator id="numberValidator" minValue="0" invalid="numberValidator_invalid(event);" valid="numberValidator_valid(event);" /> <mx:ApplicationControlBar dock="true"> <mx:Button label="validate" click="validateCheckBox();" /> <mx:Button label="reset" click="comboBox.selectedIndex = -1;" /> </mx:ApplicationControlBar> <mx:ComboBox id="comboBox" prompt="Please select a thing..." openDuration="2000" closeDuration="1000" close="validateCheckBox();"> <mx:dataProvider> <mx:Array> <mx:Object label="one" /> <mx:Object label="two" /> <mx:Object label="three" /> <mx:Object label="four" /> <mx:Object label="five" /> <mx:Object label="six" /> </mx:Array> </mx:dataProvider> </mx:ComboBox> </mx:Application> (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |