flex中AdvancedDataGrid之间的拖拽
发布时间:2020-12-15 05:11:21 所属栏目:百科 来源:网络整理
导读:? ?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:Script![CDATA[import mx.con
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<?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:Script> <![CDATA[ import mx.controls.Alert; import mx.events.DragEvent; private var adgTargetDp:ArrayCollection = new ArrayCollection(); <!--处理单击删除按钮事件 --> protected function btnDel_clickHandler(event:MouseEvent):void { //获取用户选择行的书籍编号 var selIndex:int = this.adgTarget.selectedIndex; if(selIndex<0) { Alert.show("没有选择行,不能删除","bookArrayCollection组件使用方法示例演示"); return; } this.bookArrayCollection.removeItemAt(selIndex); } protected function adgFrom_dragStartHandler(event:DragEvent):void { //将目标对象dropEnabled 置为true,表示允许拖放 this.adgTarget.dropEnabled = true; } protected function adgTarget_dragDropHandler(event:DragEvent):void { //获取用户拖放的数据行 var dgRow:Object = event.dragSource.dataForFormat("items")[0]; //如果拖放的目标数据在目标对象中 if(this.adgTargetDp.contains(dgRow)) { Alert.show("目标对象已经存在此数据行!","拖放功能示例演示"); this.adgTarget.dropEnabled=false; } else { this.adgTargetDp.addItem(dgRow); } } ]]> </fx:Script> <fx:Declarations> <!-- 定义ArrayCollection实例,表示书籍列表--> <s:ArrayCollection id="bookArrayCollection"> <fx:Object bookId="B001" bookType="程序" bookName="JAVA"/> <fx:Object bookId="B002" bookType="程序" bookName="JSP"/> <fx:Object bookId="B003" bookType="程序" bookName="FLEX"/> <fx:Object bookId="B004" bookType="平面" bookName="PHOTOSHOP"/> <fx:Object bookId="B005" bookType="平面" bookName="COREDRAW"/> <fx:Object bookId="B006" bookType="办公" bookName="WORD"/> <fx:Object bookId="B007" bookType="办公" bookName="EXCEL"/> <fx:Object bookId="B008" bookType="办公" bookName="OUTLOOK"/> </s:ArrayCollection> </fx:Declarations> <s:Panel horizontalCenter="0" verticalCenter="0" width="636" height="411" title="拖拽示例演示"> <mx:AdvancedDataGrid id="adgFrom" designViewDataType="tree" dataProvider="{bookArrayCollection}" left="0" right="0" top="0" bottom="189" dragEnabled="true" dragStart="adgFrom_dragStartHandler(event)"> <mx:columns> <mx:AdvancedDataGridColumn headerText="编号" dataField="bookId"/> <mx:AdvancedDataGridColumn headerText="类型" dataField="bookType"/> <mx:AdvancedDataGridColumn headerText="名称" dataField="bookName"/> </mx:columns> </mx:AdvancedDataGrid> <mx:AdvancedDataGrid id="adgTarget" designViewDataType="tree" dropEnabled="true" dragDrop="adgTarget_dragDropHandler(event)" left="0" right="0" top="223" height="125"> <mx:columns> <mx:AdvancedDataGridColumn headerText="编号" dataField="bookId"/> <mx:AdvancedDataGridColumn headerText="类型" dataField="bookType"/> <mx:AdvancedDataGridColumn headerText="名称" dataField="bookName"/> </mx:columns> </mx:AdvancedDataGrid> <s:Rect left="0" bottom="0" right="0" height="30"> <s:fill> <s:SolidColor color="#E2EDF7"/> </s:fill> </s:Rect> <s:Button x="170" y="352" label="删除" click="btnDel_clickHandler(event)"/> </s:Panel> </s:Application> (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |