Posted on 2008-03-28 09:57
oathleo 阅读(1268)
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Flex
自定义componemt
//////
package web
{
import mx.controls.DataGrid;
import mx.core.IFactory;
public class WebPropertySheet extends DataGrid
{
public function WebPropertySheet()
{
super();
trace("WebPropertySheet");
}
override public function get itemRenderer():IFactory
{
trace("itemRenderer");
return super.itemRenderer;
}
}
}
<mx:Application xmlns:mx="
http://www.adobe.com/2006/mxml" xmlns="*"
xmlns:twaver="web.*" layout="absolute"
creationComplete="service.send()" viewSourceURL="srcview/index.html">
<mx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import mx.rpc.events.ResultEvent;
import com.adobe.serialization.json.JSON;
import web.WebPropertySheet;
private function onJSONLoad(event:ResultEvent):void
{
var rawData:String = String(event.result);
var pattern:RegExp = / /gi;
rawData = rawData.replace(pattern," ");
var arr:Array = (JSON.decode(rawData) as Array);
var dp:ArrayCollection = new ArrayCollection(arr);
grid.dataProvider = dp;
}
]]>
</mx:Script>
<mx:HTTPService
id="service"
resultFormat="text"
url="mashedpotato.json"
result="onJSONLoad(event)" />
<twaver:WebPropertySheet id="grid" right="10" left="10" top="10" bottom="10"> <twaver:columns> <mx:DataGridColumn headerText="Name" dataField="name" />
<mx:DataGridColumn headerText="Value" dataField="value" />
</twaver:columns> </twaver:WebPropertySheet> </mx:Application>
注意
1.在mx:Application属性里定义 xmlns:twaver="web.*"
2. <twaver:columns> columns是
DataGrid的属性。这里要在mxml 里定义，不能用mx的命名空间，得用自己的命名空间