Flex DataGrid 编辑获取数据

<?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" ?? ??? ??? ??? xmlns:s="library://ns.adobe.com/flex/spark" ?? ??? ??? ??? xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"> ?? ?<fx:Declarations> ?? ??? ?<!-- 将非可视元素（例如服务、值对象）放在此处 --> ?? ?</fx:Declarations> ?? ?<fx:Script> ?? ??? ?<![CDATA[ ?? ??? ?import mx.events.DataGridEvent; ?? ??? ?import mx.controls.NumericStepper; ?? ??? ?import mx.collections.ArrayCollection; ?? ??? ?import mx.controls.listClasses.IDropInListItemRenderer; ?? ??? ?import mx.controls.TextInput; ?? ??? ? ?? ??? ?[Bindable] ?? ??? ?private var myDP:ArrayCollection = new ArrayCollection([ ?? ??? ?{Artist:'Pavement',Album:'Slanted and Enchanted',Price:'(11.99)'},?? ??? ?{Artist:'Pavement',Album:'Crooked Rain,Crooked Rain',Price:'(10.99)'},Album:'Wowee Zowee',Price:'(12.99)'},Album:'Brighten the Corners',Album:'Terror Twilight',Price:'(11.99)'} ?? ??? ?]); ?? ??? ?// Handle the itemEditBegin event. ?? ??? ?private function onEditedBegin(event:DataGridEvent):void ?? ??? ?{ ?? ??? ?// Get the name of the column being editted. ?? ??? ?var colName:String = myDataGrid.columns[event.columnIndex].dataField; ?? ??? ?var temp:String; ?? ??? ?if(colName=="Price") ?? ??? ?{ ?? ??? ?// Handle the event here. ?? ??? ?event.preventDefault(); ?? ??? ?// Creates an item editor. ?? ??? ?myDataGrid.createItemEditor(event.columnIndex,event.rowIndex); ?? ??? ?// All item editors must implement the IDropInListItemRenderer interface ?? ??? ?// and the listData property. ?? ??? ?// Initialize the listData property of the editor. ?? ??? ?IDropInListItemRenderer(myDataGrid.itemEditorInstance).listData = ?? ??? ?IDropInListItemRenderer(myDataGrid.editedItemRenderer).listData; ?? ??? ?// Copy the cell value to the NumericStepper control. ?? ??? ?myDataGrid.itemEditorInstance.data = myDataGrid.editedItemRenderer.data; ?? ??? ?// Add 20 percent to the current price. ?? ??? ?temp = TextInput(myDataGrid.itemEditorInstance).text; ?? ??? ?if (temp.indexOf("(") != -1){ ?? ??? ?temp = temp.replace("(",""); ?? ??? ?} ?? ??? ?if (temp.indexOf(")") != -1){ ?? ??? ?temp = temp.replace(")",""); ?? ??? ?} ?? ??? ?TextInput(myDataGrid.itemEditorInstance).text = temp; ?? ??? ? ?? ??? ?} ?? ??? ?} ?? ??? ?private function onEditedEnd(event:DataGridEvent):void{ ?? ??? ?var colName:String = myDataGrid.columns[event.columnIndex].dataField; ?? ??? ?var curText:String = TextInput(myDataGrid.itemEditorInstance).text; ?? ??? ? ?? ??? ?if(colName=="Price") ?? ??? ?{ ?? ??? ?// Handle the event here. ?? ??? ?//event.preventDefault(); ?? ??? ?// Creates an item editor. ?? ??? ?//myDataGrid.createItemEditor(event.columnIndex,event.rowIndex); ?? ??? ?// All item editors must implement the IDropInListItemRenderer interface ?? ??? ?// and the listData property. ?? ??? ?// Initialize the listData property of the editor. ?? ??? ?//IDropInListItemRenderer(myDataGrid.itemEditorInstance).listData = ?? ??? ?//IDropInListItemRenderer(myDataGrid.editedItemRenderer).listData; ?? ??? ?// Copy the cell value to the NumericStepper control. ?? ??? ?//myDataGrid.itemEditorInstance.data = myDataGrid.editedItemRenderer.data; ?? ??? ?// Add 20 percent to the current price. ?? ??? ?if (curText != ""){ ?? ??? ?TextInput(myDataGrid.itemEditorInstance).text = "(" + curText + ")"; ?? ??? ?} ?? ??? ? ?? ??? ?} ?? ??? ?} ?? ??? ?]]> ?? ?</fx:Script> ?? ? ?? ?<fx:Style> ?? ??? ?.testTip ?? ??? ?{ ?? ??? ?border-color: #ffffdd; ?? ??? ?color: #ff0000; ?? ??? ?font-weight: bold; ?? ??? ?} ?? ?</fx:Style> ?? ? ?? ?<mx:DataGrid id="myDataGrid" dataProvider="{myDP}" ?? ??? ??? ??? ? editable="true" ?? ??? ??? ??? ? itemEditBegin="onEditedBegin(event);" itemEditEnd="onEditedEnd(event);" ?? ??? ??? ??? ? rowHeight="60"> ?? ??? ?<mx:columns> ?? ??? ??? ?<mx:DataGridColumn dataField="Artist" /> ?? ??? ??? ?<mx:DataGridColumn dataField="Album" width="130" /> ?? ??? ??? ?<mx:DataGridColumn dataField="Price" editorDataField="text"> ?? ??? ??? ??? ?<mx:itemEditor> ?? ??? ??? ??? ??? ?<fx:Component> ?? ??? ??? ??? ??? ??? ?<mx:TextInput/> ?? ??? ??? ??? ??? ?</fx:Component> ?? ??? ??? ??? ?</mx:itemEditor> ?? ??? ??? ?</mx:DataGridColumn> ?? ??? ?</mx:columns> ?? ?</mx:DataGrid> </s:Application>