flex IViewCursor 的应用
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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" creationComplete="group1_creationCompleteHandler(event)"><fx:Script> <![CDATA[import mx.collections.CursorBookmark;import mx.collections.IViewCursor;import mx.controls.dataGridClasses.DataGridColumn;import mx.events.FlexEvent;import spark.components.supportClasses.TextBase;[Bindable] private var dpCursor :IViewCursor;protected function group1_creationCompleteHandler(event:FlexEvent):void { dpCursor = productColl.createCursor();dpCursor.seek(CursorBookmark.FIRST);} protected function movePrevious(e:MouseEvent):void {dpCursor.movePrevious(); if(dpCursor.beforeFirst) dpCursor.seek(CursorBookmark.LAST);} protected function moveNext(e:MouseEvent):void {dpCursor.moveNext();if(dpCursor.afterLast) dpCursor.seek(CursorBookmark.FIRST); } ]]> </fx:Script><fx:Declarations><s:ArrayCollection id="productColl"> <s:source> <fx:Array id="productArr"> <fx:Object name="1" /><fx:Object name="2" /> <fx:Object name="3" /><fx:Object name="4" /><fx:Object name="5" /> <fx:Object name="6" /><fx:Object name="7" /><fx:Object name="8" /></fx:Array></s:source></s:ArrayCollection> </fx:Declarations><s:Panel title="title: {dpCursor.current.name}" width="200" height="101"> <mx:Label text="{dpCursor.current.name}" fontSize="20" horizontalCenter="0" /><s:controlBarContent><s:Button id="prevBtn" label="<" width="30" height="20" toolTip="Move Previous" click="movePrevious(event)"/><s:Rect width="100%" /> <s:Button id="nextBtn" label=">" width="30" height="20" toolTip="Move Next" click="moveNext(event)"/> </s:controlBarContent> </s:Panel> </s:Application>
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