可排序的网格像Adobe Flex中的jQuery UI [英] sortable grid like jquery ui in adobe flex
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问题描述
我需要Adobe Flex中的 jQuery UI的Sortable 。有没有一个快速的解决方案呢?
I need something like jQuery UI's Sortable in Adobe Flex. Is there a quick solution out there?
推荐答案
这里是类似的可排序的网格(3X3) b
$ b
Here is similar sortable grid(3X3) example in flex:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
verticalAlign="middle" horizontalAlign="center"
height="100%" width="100%">
<mx:Script>
<![CDATA[
import mx.containers.GridItem;
import mx.controls.Button;
import mx.core.DragSource;
import mx.events.*;
import mx.managers.DragManager;
private var sourceRow:int;
private var sourceCol:int;
private var destinationRow:int;
private var destinationCol:int;
private var sourceIndex:int;
private var destinationIndex:int;
private function dragInit(event:MouseEvent):void
{
if(event.buttonDown && !DragManager.isDragging)
{
var button:Button = event.currentTarget as Button;
var dragSource:DragSource = new DragSource();
dragSource.addData(button, 'button');
DragManager.doDrag(button, dragSource, event);
sourceRow = (event.currentTarget.parent.parent.parent as Grid).getChildIndex(event.currentTarget.parent.parent);
sourceCol = (event.currentTarget.parent.parent as GridRow).getChildIndex(event.currentTarget.parent);
sourceIndex = sourceRow * 3 + sourceCol;
}
}
private function dragEnter(event:DragEvent): void
{
var target:GridItem = event.currentTarget as GridItem;
if (event.dragSource.hasFormat('button') )
{
DragManager.acceptDragDrop(target);
DragManager.showFeedback(DragManager.MOVE);
trace("Drag Enter....");
destinationRow = (target.parent.parent as Grid).getChildIndex(target.parent);
destinationCol = (target.parent as GridRow).getChildIndex(target);
destinationIndex = destinationRow * 3 + destinationCol;
}
if(destinationIndex > sourceIndex)
{
var targetGridItem:GridItem = new GridItem();
for(var i = sourceIndex; i< destinationIndex; i++)
{
targetGridItem = getGridItemByIndex(i);
targetGridItem.addChildAt(getGridItemByIndex(i+1).getChildAt(0),0);
}
}
else if(destinationIndex < sourceIndex)
{
var targetGridItem:GridItem = new GridItem();
for(var i = sourceIndex; i > destinationIndex; i--)
{
targetGridItem = getGridItemByIndex(i);
targetGridItem.addChildAt(getGridItemByIndex(i-1).getChildAt(0),0);
}
}
sourceIndex = destinationIndex;
}
private function getGridItemByIndex(i:int):GridItem
{
var row:int = i/3;
var col:int = i%3;
return (grid.getChildAt(row) as GridRow).getChildAt(col) as GridItem;
}
private function dragDrop(event:DragEvent): void
{
var target:GridItem = event.currentTarget as GridItem;
var button:Button = event.dragSource.dataForFormat('button') as Button;
target.addChild(button);
}
]]>
</mx:Script>
<mx:Grid id="grid" >
<mx:GridRow width="100%" height="100%">
<mx:GridItem width="88" height="88" dragEnter="dragEnter(event)" dragDrop="dragDrop(event)"
backgroundColor="black" verticalAlign="middle" paddingLeft="4"
verticalScrollPolicy="off" horizontalScrollPolicy="off">
<mx:Button label="A" width="80" height="80" mouseMove="dragInit(event)"/>
</mx:GridItem>
<mx:GridItem width="88" height="88" dragEnter="dragEnter(event)" dragDrop="dragDrop(event)"
verticalScrollPolicy="off" horizontalScrollPolicy="off"
backgroundColor="red" paddingLeft="4" verticalAlign="middle">
<mx:Button label="B" width="80" height="80" mouseMove="dragInit(event)" />
</mx:GridItem>
<mx:GridItem width="88" height="88" dragEnter="dragEnter(event)" dragDrop="dragDrop(event)"
verticalScrollPolicy="off" horizontalScrollPolicy="off"
backgroundColor="yellow" paddingLeft="4" verticalAlign="middle">
<mx:Button label="C" width="80" height="80" mouseMove="dragInit(event)"/>
</mx:GridItem>
</mx:GridRow>
<mx:GridRow width="100%" height="100%">
<mx:GridItem width="88" height="88" dragEnter="dragEnter(event)" dragDrop="dragDrop(event)"
horizontalScrollPolicy="off" verticalScrollPolicy="off"
backgroundColor="blue" paddingLeft="4" verticalAlign="middle">
<mx:Button label="D" width="80" height="80" mouseMove="dragInit(event)"/>
</mx:GridItem>
<mx:GridItem width="88" height="88" dragEnter="dragEnter(event)" dragDrop="dragDrop(event)"
horizontalScrollPolicy="off" verticalScrollPolicy="off"
backgroundColor="0xee82ee" paddingLeft="4" verticalAlign="middle">
<mx:Button label="E" width="80" height="80" mouseMove="dragInit(event)"/>
</mx:GridItem>
<mx:GridItem width="88" height="88" dragEnter="dragEnter(event)" dragDrop="dragDrop(event)"
horizontalScrollPolicy="off" verticalScrollPolicy="off"
backgroundColor="purple" paddingLeft="4" verticalAlign="middle">
<mx:Button label="F" width="80" height="80" mouseMove="dragInit(event)"/>
</mx:GridItem>
</mx:GridRow>
<mx:GridRow width="100%" height="100%">
<mx:GridItem width="88" height="88" dragEnter="dragEnter(event)" dragDrop="dragDrop(event)"
horizontalScrollPolicy="off" verticalScrollPolicy="off"
backgroundColor="green" paddingLeft="4" verticalAlign="middle">
<mx:Button label="G" width="80" height="80" mouseMove="dragInit(event)"/>
</mx:GridItem>
<mx:GridItem width="88" height="88" dragEnter="dragEnter(event)" dragDrop="dragDrop(event)"
horizontalScrollPolicy="off" verticalScrollPolicy="off"
backgroundColor="0x87ceeb" paddingLeft="4" verticalAlign="middle">
<mx:Button label="H" width="80" height="80" mouseMove="dragInit(event)"/>
</mx:GridItem>
<mx:GridItem width="88" height="88" dragEnter="dragEnter(event)" dragDrop="dragDrop(event)"
horizontalScrollPolicy="off" verticalScrollPolicy="off"
backgroundColor="navy" paddingLeft="4" verticalAlign="middle">
<mx:Button label="I" width="80" height="80" mouseMove="dragInit(event)"/>
</mx:GridItem>
</mx:GridRow>
</mx:Grid>
</mx:Application>
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