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锁定老帖子 主题：flex 左右左右选择器
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发表时间：2011-08-10
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" width="450" height="350" creationComplete="initApp()" backgroundColor="#FFFFFF" fontSize="12">
<mx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import mx.controls.Alert;
import mx.events.ScrollEvent;
import mx.rpc.events.FaultEvent;
import mx.rpc.events.ResultEvent;
private function initApp():void{
left.dataProvider=['北京','上海','江苏','江西','湖南','湖北','四川','西藏','新疆'];
right.dataProvider=[];
//'广东','广西','内蒙古','北京','上海','江苏'
}
private function toRightJustSOSO():void
{
var selectItems:Array = left.selectedItems;
var selectIndexs:Array = left.selectedIndices;
var bIsThere:Boolean;
selectIndexs.sort(Array.DESCENDING);
selectItems.sort(Array.DESCENDING);
bIsThere=false;
for( var i:Number = 0 ; i < selectItems.length ; i++ )
{
var rightArray:ArrayCollection=right.dataProvider as ArrayCollection;
for(var j:Number=0; j < rightArray.length ; j++ )
{
if(selectItems[i].toString()==rightArray[j].toString())
{
bIsThere=true;
}
}
if(!bIsThere)
{
ArrayCollection(right.dataProvider).addItem(selectItems[i].toString());
ArrayCollection(left.dataProvider).removeItemAt(selectIndexs[i]);
}
bIsThere=false;
}
}
private function toRightBest():void
{
var selectIndexs:Array = left.selectedIndices;
var bIsThere:Boolean;
selectIndexs.sort(Array.DESCENDING);
bIsThere=false;
var rightArray:ArrayCollection=right.dataProvider as ArrayCollection;
var leftArray:ArrayCollection=left.dataProvider as ArrayCollection;
for( var i:Number = 0 ; i < selectIndexs.length ; i++ )
{
for(var j:Number=0; j < rightArray.length ; j++ )
{
if(leftArray[selectIndexs[i]].toString()==rightArray[j].toString())
{
bIsThere=true;
}
}
if(!bIsThere)
{
ArrayCollection(right.dataProvider).addItem(leftArray[selectIndexs[i]].toString());
ArrayCollection(left.dataProvider).removeItemAt(selectIndexs[i]);
}
bIsThere=false;
}
}
private function toRight():void
{
var selectItems:Array = left.selectedItems;
var selectIndexs:Array = left.selectedIndices;
var bIsThere:Boolean;
bIsThere=false;
for( var i:Number = 0 ; i < selectItems.length ; i++ )
{
var rightArray:ArrayCollection=right.dataProvider as ArrayCollection;
for(var j:Number=0; j < rightArray.length ; j++ )
{
if(selectItems[i].toString()==rightArray[j].toString())
{
bIsThere=true;
}
}
if(!bIsThere)
{
ArrayCollection(right.dataProvider).addItem(selectItems[i].toString());
ArrayCollection(left.dataProvider).removeItemAt(selectIndexs[i]);
}
bIsThere=false;
}
}
private function toLeft():void
{
//var selectItems:Array = right.selectedItems;
var selectIndexs:Array = right.selectedIndices;
var bIsThere:Boolean=false;
selectIndexs.sort(Array.DESCENDING);
var rightArray:ArrayCollection=right.dataProvider as ArrayCollection;
var leftArray:ArrayCollection=left.dataProvider as ArrayCollection;
for( var i:Number = 0 ; i < selectIndexs.length ; i++ )
{
var leftArray:ArrayCollection=left.dataProvider as ArrayCollection;
for(var j:Number=0; j < leftArray.length ; j++ )
{
if(rightArray[selectIndexs[i]].toString()==leftArray[j].toString())
{
bIsThere=true;
}
}
if(!bIsThere)
{
ArrayCollection(left.dataProvider).addItem(rightArray[selectIndexs[i]].toString());
ArrayCollection(right.dataProvider).removeItemAt(selectIndexs[i]);
}
}
}
private function toRight1():void
{
var leftArray:ArrayCollection=left.dataProvider as ArrayCollection;
var rightArray:ArrayCollection=right.dataProvider as ArrayCollection;
var bIsThere:Boolean=false;
for(var i:Number=0; i < leftArray.length ; i++ )
{
for(var j:Number=0; j < rightArray.length ; j++ )
{
if(leftArray[i].toString()==rightArray[j].toString())
{
bIsThere=true;
}
}
if(!bIsThere)
{
ArrayCollection(right.dataProvider).addItem(leftArray[i].toString());
}
bIsThere=false;
}
ArrayCollection(left.dataProvider).removeAll();
}
private function toLeft1():void
{
var leftArray:ArrayCollection=left.dataProvider as ArrayCollection;
var rightArray:ArrayCollection=right.dataProvider as ArrayCollection;
var bIsThere:Boolean=false;
for(var i:Number=0; i < rightArray.length ; i++ )
{
for(var j:Number=0; j < leftArray.length ; j++ )
{
if(rightArray[i].toString()==leftArray[j].toString())
{
bIsThere=true;
}
}
if(!bIsThere)
{
ArrayCollection(left.dataProvider).addItem(rightArray[i].toString());
}
bIsThere=false;
}
ArrayCollection(right.dataProvider).removeAll();
}
]]>
</mx:Script>
<mx:Panel x="0" y="0" width="450" height="350" layout="absolute" title="左右互选">
<mx:Label x="7" y="3" text="当前内容"/>
<mx:List x="7" y="25" id="left" width="168" height="275" allowMultipleSelection="true"
dragEnabled="true" dropEnabled="true" dragMoveEnabled="true" doubleClickEnabled="true" itemDoubleClick="toRight()">
</mx:List>
<mx:Label x="243" y="3" text="移动内容"/>
<mx:List x="261" y="32" id="right" width="180" height="272" allowMultipleSelection="true"
dragEnabled="true" dropEnabled="true" dragMoveEnabled="true" doubleClickEnabled="true" itemDoubleClick="toLeft()">
</mx:List>
<mx:Button x="183" y="73" label="->>" click="toRight1()" id="bt_allr"/>
<mx:Button x="183" y="114" label="->" click="toRightJustSOSO()" id="bt_r"/>
<mx:Button x="183" y="146" label="<-" click="toLeft()" id="bt_l"/>
<mx:Button x="183" y="178" label="<<-" click="toLeft1()" id="bt_alll"/>
</mx:Panel>
</mx:Application>
结果图片如下： 声明：ITeye文章版权属于作者，受法律保护。没有作者书面许可不得转载。
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发表时间：2011-10-08
想复杂了。
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发表时间：2012-04-19
那你觉得呢？ 怎么才简单
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