扩展mx.controls.Label,覆盖data set方法:
?
扩展的label的text可以显示截取的长度,toolTip可以显示完整的。
(1)LabelRender:
package render
{
?import mx.controls.Label;
?
?public class LabelRender extends Label
?{
??public function LabelRender()
??{
???super();
??}
??override public function set data(value:Object):void
??{???
???//super.data = value;
???super.text=value.age+"a";
???super.toolTip=value.age+"";
???//this.setStyle("color",(this.compare(s1,s2,compType) ? "#FF0000" : "#C8C8C8"));???
??}
?}
}
(2)在dataGrid中的使用:
<mx:DataGrid id="mygrid">
??<mx:columns>
???<mx:DataGridColumn dataField="name" headerText="姓名"/>
???
???<mx:DataGridColumn headerText="描述" itemRenderer="{labelRender}"/>
??</mx:columns>
?</mx:DataGrid>
[Bindable]
private var labelRender:ClassFactory;
?protected function application1_creationCompleteHandler(event:FlexEvent):void{
??labelRender=new ClassFactory(LabelRender);?}