package com.citigroup.presentation.csa {     import flash.events.MouseEvent;     import mx.controls.Label;     import mx.controls.advancedDataGridClasses.AdvancedDataGridHeaderRenderer;     import mx.core.UITextField;     import mx.events.FlexEvent;     public class GroupHeaderRenderer extends AdvancedDataGridHeaderRenderer     {         public var children:Array=[];         public var expand:Boolean=true;         private var l:UITextField;         public function GroupHeaderRenderer()         {             super();             l=new UITextField();             l.text="[-]";             l.addEventListener(MouseEvent.CLICK,toggle);                     addChild(l);             this.addEventListener(FlexEvent.CREATION_COMPLETE,init);         }         private function init(event:FlexEvent):void{             if(expand){                 l.text="[-]";             }else{                 l.text="[+]";                 toggleChildren(false);             }             this.removeEventListener(FlexEvent.CREATION_COMPLETE,init);         }         override public function set data(value:Object):void{             super.data = value;             this.setStyle("color","0xF9F088");             this.setStyle("fontWeight","bold");             this.setStyle("textAlign","left");         }         override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void{                     super.updateDisplayList(unscaledWidth,unscaledHeight);             label.x=0;             l.x=label.x+label.width;                     l.y=label.y;         }         private function toggle(event:MouseEvent):void{             if(l.text=="[+]"){                 l.text="[-]";                 toggleChildren(true);             }else{                 l.text="[+]";                 toggleChildren(false);             }         }         private function toggleChildren(visible:Boolean):void{             if(children.length<=1) return;             for(var i:int=1;i<children.length;i++){                 children[i].visible=visible;             }         }     } }  public function genAdgColumn(headerText:String,dataField:String,width:Number=100):AdvancedDataGridColumn{                 var col:AdvancedDataGridColumn=new AdvancedDataGridColumn();                 col.headerText=headerText;                 col.dataField=dataField;                 col.width=width;                 return col;             }             public function genAdgColumnGroup(headerText:String,dataField:String,children:Array,expand:Boolean=true):AdvancedDataGridColumnGroup{                 var group:AdvancedDataGridColumnGroup=new AdvancedDataGridColumnGroup();                 group.headerText=headerText;                 group.dataField=dataField;                 <span style="color:#ff0000;">var cf:ClassFactory=new ClassFactory(GroupHeaderRenderer);                 cf.properties ={'children':children,'expand':expand};                 group.headerRenderer=cf;                                  group.children=children;                 return group;             }