datagrid 头部垂直居中

package com

{

import mx.controls.Label;

import mx.controls.dataGridClasses.DataGridColumn;

import mx.controls.dataGridClasses.DataGridListData;

public class HeaderCenterRenderer extends Label

{

public function HeaderCenterRenderer()

{

super();

}

private var _data:DataGridColumn;

override public function set data(value:Object):void

   {

        _data = value as DataGridColumn;

        text = DataGridListData(listData).label ;

    setStyle("paddingTop", 18);

    setStyle("fontWeight","bold");

    setStyle("textAlign","center");

}

}

}

 

使用实例

<mx:DataGridColumn headerText="aaa" dataField="col1" headerRenderer="com.HeaderCenterRenderer"/>