flex4 AdvancedDataGrid 加超链接

<mx:AdvancedDataGrid id="adg1"  borderStyle="none" designviewDataType="flat" sortExpertMode="true"  sortableColumns="true" width="100%" height="95%">
						<mx:dataProvider>  
							<mx:HierarchicalData id="hd" source="{str.node}"/>  
						</mx:dataProvider>  
						<mx:groupedColumns>
							
							<mx:AdvancedDataGridColumnGroup headerText="节点统计" >
								<mx:AdvancedDataGridColumn id="xuhao" headerText="序号 " datafield="@id">
									<mx:itemRenderer>    
										<fx:Component>  
											<mx:LinkButton label="{data.@id}" color="red"  textdecoration="none"  click="outerDocument.clickEvent(data)"/>  
										</fx:Component>    
									</mx:itemRenderer> 
									</mx:AdvancedDataGridColumn>
								<mx:AdvancedDataGridColumn headerText="节点名称" datafield="@source" />
								
								<mx:AdvancedDataGridColumn headerText="提供数据" datafield="@x"/>
								<mx:AdvancedDataGridColumn headerText="使用数据" datafield="@y"/>
							</mx:AdvancedDataGridColumnGroup>	
						</mx:groupedColumns>

					</mx:AdvancedDataGrid>

<pre name="code" class="html">以上例子

str :xml=new XML();

<?xml version="1.0" encoding="GB2312"?>

<root>
  <node id="1" source="assets/monitor/a3.png" message="qqq" x="100" y="300"/>
  <node id="2" source="assets/monitor/a1.png" message="qqq" x="177.1345131623847" y="391.92533317427734"/>
  <node id="3" source="assets/monitor/a1.png" message="qqq" x="218.17693036146497" y="320.83778132003164"/>
  <node id="4" source="assets/monitor/a1.png" message="qq" x="203.92304845413264" y="240.00000000000003"/>
  <node id="5" source="assets/monitor/a1.png" message="qqqq" x="141.04241719908026" y="187.23688550569102"/>
  <node id="6" source="assets/monitor/a1.png" message="qqq" x="58.95758280091976" y="187.236885505691"/>
  <node id="7" source="assets/monitor/a2.png" message="qqq" x="-3.923048454132612" y="239.99999999999994"/>
  <node id="8" source="assets/monitor/a2.png" message="qqqq" x="-18.17693036146497" y="320.8377813200316"/>
  <node id="9" source="assets/monitor/a2.png" message="qq" x="22.86548683761525" y="391.92533317427734"/>
  <line id="1" fromNode="1" toNode="1"/>
  <line id="2" fromNode="1" toNode="2"/>
  <line id="3" fromNode="1" toNode="3"/>
  <line id="4" fromNode="1" toNode="4"/>
  <line id="5" fromNode="1" toNode="5"/>
  <line id="6" fromNode="1" toNode="6"/>
  <line id="7" fromNode="1" toNode="7"/>
  <line id="8" fromNode="1" toNode="8"/>
  <line id="9" fromNode="4" toNode="5"/>
</root>