Flex tree默许展开第一项和所有项
Flex tree默认展开第一项和所有项
展开所有项:
在页面组件完成后开发做动作:
<s:NavigatorContent xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:view="com.greencloud.view.*" xmlns:mx="library://ns.adobe.com/flex/mx" height="100%" width="100%" creationComplete="application1_applicationCompleteHandler(event)">展开第一项:
protected function application1_applicationCompleteHandler(event:FlexEvent):void { var item:XML = this.managerTree.dataProvider[0]; this.managerTree.expandChildrenOf(item,true); }
展开所有项:
protected function application1_applicationCompleteHandler(event:FlexEvent):void { for each(var item:XML in this.managerTree.dataProvider) this.managerTree.expandChildrenOf(item,true); }