Flex 4.6 XML搜索、匹配示例
2011-05-20 Flex效果见图
初始化界面
输入“设置”，进行搜索、匹配后界面
下面是代码
<?xml version=”1.0” encoding=”utf-8”?>
public var rawList:XML =
<apps name="应用程序" >
<item name="关于"
icon="plugins/about_002/assets/icons/about_48.png"
iconSmall="plugins/about_002/assets/icons/about_24.png"
moduleUrl="plugins/about_002/Ahout_002.swf"
version="1.0" date="2013-5-13" author="way" type="plugin"
description="关于能源管理中心的一个说明" />
<item name="程序管理"
icon="plugins/appManager_001/assets/icons/apps_48.png"
iconSmall="plugins/appManager_001/assets/icons/apps_24.png"
moduleUrl="plugins/appManager_001/AppManager_001.swf"
version="1.0" date="2013-3-5" author="way" type="plugin" resizable="false"
description="对系统应用，及用户自定义应用进行管理"
shortCutCreated="true"/>
<item name="导航设置"
icon="plugins/navigatorSetting_001/assets/icons/gears_48.png"
iconSmall="plugins/navigatorSetting_001/assets/icons/gears_24.png"
moduleUrl="plugins/navigatorSetting_001/NavigatorSetting_001.swf"
version="1.0" date="2013-3-13" author="way" type="plugin" resizable="false"
description="对导航进行设置"/>
<item name="主题设置"
icon="plugins/themeSetting_001/assets/icons/icon_48.png"
iconSmall="plugins/themeSetting_001/assets/icons/icon_24.png"
moduleUrl="plugins/themeSetting_001/ThemeSetting_001.swf"
version="1.0" date="2013-3-5" author="way" type="plugin" resizable="false"
description="对系统的主题、样式进行设置"/>
</apps>
;
[Bindable]
public var rawListShow:XML = null; //搜索过滤后的数据
protected function init(event:FlexEvent):void
{
getData();
}
protected function textinput1_changeHandler(event:TextOperationEvent):void
{
getData();
}
//初始化数据
private function getData():void{
if(StringUtil.trim(textInput.text) == ""){
rawListShow = rawList ;
}else{
createNewXml(textInput.text,rawList);
}
/* 打开或关闭指定项目下的所有树项目。如果设置 dataProvider 之后立即调用 expandChildrenOf()，
则您可能看不到正确的行为。您应该等待对组件进行验证或调用 validateNow() 方法 */
tree1.validateNow();
expandtree();
}
//搜索过滤后,生产新的xml
private function createNewXml(searchString:String, xml:XML):void{
rawListShow =<apps name="应用程序" />;
for(var i:int = 0; i<xml.children().length(); i++)
{
var itemXml:XML = xml.child("item")[i];
if(isInStr(searchString,[email protected]())){
rawListShow.appendChild(itemXml);
}
}
}
//判断search_str是否在str内
public function isInStr(search_str:String , str:String):Boolean{
var num:int= str.indexOf(search_str);
if(num>-1){
return true;
}else{
return false;
}
}
//展开树
private function expandtree():void {
for each(var item:XML in this.tree1.dataProvider)
this.tree1.expandChildrenOf(item,true);
}
]]>
</fx:Script>
<fx:Declarations>
<!-- 该例子由waylau.com提供-->
</fx:Declarations>
<s:TextInput prompt="请输入要搜索的字段" x="10" y="10"
change="textinput1_changeHandler(event)" id="textInput"/>
<mx:Tree id="tree1" dataProvider="{rawListShow}"
labelField="@name" width="200" height="300" x="10" y="40">
</mx:Tree>
<s:Label text="更多例子 请关注 waylau.com" x="10" y="360"/>
</s:Application>
