package czgh.components { import flash.display.Sprite; import mx.controls.DataGrid; import mx.core.UIComponent; public class OptionalDataGrid extends DataGrid { private var _rowColorFunction:Function; private var _customed:Boolean; private var _customerColor:uint=0; public function OptionalDataGrid() { super(); } override protected function drawRowBackground(s:Sprite, rowIndex:int, y:Number, height:Number, color:uint, dataIndex:int):void { color=0XFFFFFF; if(this._rowColorFunction != null) { if (dataIndex < this.dataProvider.length) { var item:Object=this.dataProvider.getItemAt(dataIndex);//設定顏色 color=this._rowColorFunction.call(this, item, color); } } super.drawRowBackground(s, rowIndex, y, height, color, dataIndex); } override protected function drawHeaderBackground(headerBG:UIComponent):void { headerBG.setStyle("borderVisible","false"); } public function set rowColorFunction(rowColorFunction:Function):void { this._rowColorFunction=rowColorFunction; } public function get rowColorFunction():Function { return this._rowColorFunction; } } }

//通過比較每條記錄中dataField為act和stand的大小決定該條記錄的背景顏色 private function setCustomColor(item:Object, color:uint):uint { if (Number(item["act"])<Number(item["stand"])) { return 0x7bbfea; } return color; }