flex ArrayCollection的新增与删除的同步

<?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">
    <s:layout>
        <s:VerticalLayout gap="4" horizontalAlign="center" paddingBottom="2" paddingLeft="2"
                          paddingRight="2" paddingTop="2"/>
    </s:layout>
    <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.collections.ArrayCollection;
            import mx.controls.Alert;
            
            [Bindable]
            private var totalArray:ArrayCollection = new ArrayCollection([{id:1,city:"长乐支行"},{id:2,city:"狮山支行"},{id:3,city:"鼓楼支行"},{id:4,city:"阳泉支行"},{id:5,city:"江南支行"},{id:6,city:"湖槟支行"}]);  
            
            [Bindable]
            private var monthArray:ArrayCollection = new ArrayCollection([{id:1,city:"长乐支行"}]);  
            
            [Bindable]
            private var seasonArray:ArrayCollection = new ArrayCollection([{id:1,city:"狮山支行"}]);  
            
            [Bindable]
            private var halfYearArray:ArrayCollection = new ArrayCollection([{id:1,city:"鼓楼支行"}]);  
            
            [Bindable]
            private var yearArray:ArrayCollection = new ArrayCollection([{id:1,city:"阳泉支行"}]);  
            
            /**
             * 月提醒添加
             */ 
            protected function monthButton1_addclickHandler(event:MouseEvent):void
            {
                //先添加
                var items : Vector.<int> = totalArrayId.selectedIndices;
                for(var i: Number =0;i<items.length;i++){
                    monthArray.addItem(totalArray.getItemAt(items[i]));
                    //totalArray.removeItemAt(items[i]);
                }
                //后删除
                for each (var item:Object in totalArrayId.selectedItems){
                    var index:int=totalArray.getItemIndex(item);
                    if(index>=0){
                        totalArray.removeItemAt(index);
                    }
                }
                
            }
            
            /**
             * 月提醒删除
             */ 
            protected function monthButton2_removeclickHandler(event:MouseEvent):void
            {
                //先添加
                var items : Vector.<int> = monthArrayId.selectedIndices;
                for(var i: Number =0;i<items.length;i++){
                    totalArray.addItem(monthArray.getItemAt(items[i]));
                }
                //后删除
                for each (var item:Object in monthArrayId.selectedItems){
                    var index:int=monthArray.getItemIndex(item);
                    if(index>=0){
                        monthArray.removeItemAt(index);
                    }
                }
                
            }
            
            /**
             * 季度提醒添加
             */ 
            protected function seasonButton3_addclickHandler(event:MouseEvent):void
            {
                //先添加
                var items : Vector.<int> = totalArrayId.selectedIndices;
                for(var i: Number =0;i<items.length;i++){
                    seasonArray.addItem(totalArray.getItemAt(items[i]));
                    //totalArray.removeItemAt(items[i]);
                }
                //后删除
                for each (var item:Object in totalArrayId.selectedItems){
                    var index:int=totalArray.getItemIndex(item);
                    if(index>=0){
                        totalArray.removeItemAt(index);
                    }
                }
                
            }
            
            /**
             * 季度提醒删除
             */ 
            protected function seasonButton4_removeclickHandler(event:MouseEvent):void
            {
                //先添加
                var items : Vector.<int> = seasonArrayId.selectedIndices;
                for(var i: Number =0;i<items.length;i++){
                    totalArray.addItem(seasonArray.getItemAt(items[i]));
                }
                //后删除
                for each (var item:Object in seasonArrayId.selectedItems){
                    var index:int=seasonArray.getItemIndex(item);
                    if(index>=0){
                        seasonArray.removeItemAt(index);
                    }
                }
                
            }
            
            
            /**
             * 半年提醒添加
             */ 
            protected function halfYearButton5_addclickHandler(event:MouseEvent):void
            {
                //先添加
                var items : Vector.<int> = totalArrayId.selectedIndices;
                for(var i: Number =0;i<items.length;i++){
                    halfYearArray.addItem(totalArray.getItemAt(items[i]));
                    //totalArray.removeItemAt(items[i]);
                }
                //后删除
                for each (var item:Object in totalArrayId.selectedItems){
                    var index:int=totalArray.getItemIndex(item);
                    if(index>=0){
                        totalArray.removeItemAt(index);
                    }
                }
                
            }
            
            /**
             * 半年提醒删除
             */ 
            protected function halfYearButton6_removeclickHandler(event:MouseEvent):void
            {
                //先添加
                var items : Vector.<int> = halfYearArrayId.selectedIndices;
                for(var i: Number =0;i<items.length;i++){
                    totalArray.addItem(halfYearArray.getItemAt(items[i]));
                }
                //后删除
                for each (var item:Object in halfYearArrayId.selectedItems){
                    var index:int=halfYearArray.getItemIndex(item);
                    if(index>=0){
                        halfYearArray.removeItemAt(index);
                    }
                }
                
            }
            
            
            /**
             * 年提醒添加
             */ 
            protected function yearButton7_addclickHandler(event:MouseEvent):void
            {
                //先添加
                var items : Vector.<int> = totalArrayId.selectedIndices;
                for(var i: Number =0;i<items.length;i++){
                    yearArray.addItem(totalArray.getItemAt(items[i]));
                    //totalArray.removeItemAt(items[i]);
                }
                //后删除
                for each (var item:Object in totalArrayId.selectedItems){
                    var index:int=totalArray.getItemIndex(item);
                    if(index>=0){
                        totalArray.removeItemAt(index);
                    }
                }
                
            }
            
            /**
             * 月提醒删除
             */ 
            protected function yearButton8_removeclickHandler(event:MouseEvent):void
            {
                //先添加
                var items : Vector.<int> = yearArrayId.selectedIndices;
                for(var i: Number =0;i<items.length;i++){
                    totalArray.addItem(yearArray.getItemAt(items[i]));
                }
                //后删除
                for each (var item:Object in yearArrayId.selectedItems){
                    var index:int=yearArray.getItemIndex(item);
                    if(index>=0){
                        yearArray.removeItemAt(index);
                    }
                }
                
            }
            
            
        ]]>
    </fx:Script>
    <s:HGroup width="100%" height="100%">
        <s:BorderContainer width="60%" height="100%"  borderAlpha="0.4" cornerRadius="4">
            <s:layout>
                <s:VerticalLayout horizontalAlign="center"/>
            </s:layout>
            <s:HGroup width="100%" height="22%" paddingBottom="2" paddingLeft="2" paddingRight="2"
                      paddingTop="2" verticalAlign="middle">
                <s:Label height="30" width="50" text="按月" textAlign="center" verticalAlign="middle"/>
                <s:List id="monthArrayId" width="50%" height="100%" borderAlpha="0.4" allowMultipleSelection="true" dataProvider="{monthArray}" labelField="city" toolTip="按Shift键支持多选">
                    
                </s:List>
                <s:VGroup width="30%" height="100%" horizontalAlign="center" verticalAlign="middle">
                    <s:Button label="添加" click="monthButton1_addclickHandler(event)"/>
                    <s:Button label="移除" click="monthButton2_removeclickHandler(event)"/>
                </s:VGroup>
            </s:HGroup>
            <mx:HRule width="99%" alpha="0.4"/>
            <s:HGroup width="100%" height="22%" paddingBottom="2" paddingLeft="2" paddingRight="2"
                      paddingTop="2" verticalAlign="middle">
                <s:Label height="30" width="50" text="按季" textAlign="center" verticalAlign="middle"/>
                <s:List id="seasonArrayId" width="50%" height="100%" borderAlpha="0.4" allowMultipleSelection="true" dataProvider="{seasonArray}" labelField="city" toolTip="按Shift键支持多选">
                    
                </s:List>
                <s:VGroup width="30%" height="100%" horizontalAlign="center" verticalAlign="middle">
                    <s:Button label="添加" click="seasonButton3_addclickHandler(event)"/>
                    <s:Button label="移除" click="seasonButton4_removeclickHandler(event)"/>
                </s:VGroup>
            </s:HGroup>
            <mx:HRule width="99%" alpha="0.4"/>
            <s:HGroup width="100%" height="22%" paddingBottom="2" paddingLeft="2" paddingRight="2"
                      paddingTop="2" verticalAlign="middle">
                <s:Label height="30" width="50" text="按半年" textAlign="center" verticalAlign="middle"/>
                <s:List id="halfYearArrayId" width="50%" height="100%" borderAlpha="0.4" allowMultipleSelection="true" dataProvider="{halfYearArray}" labelField="city" toolTip="按Shift键支持多选">
                    
                </s:List>
                <s:VGroup width="30%" height="100%" horizontalAlign="center" verticalAlign="middle">
                    <s:Button label="添加" click="halfYearButton5_addclickHandler(event)"/>
                    <s:Button label="移除" click="halfYearButton6_removeclickHandler(event)"/>
                </s:VGroup>
            </s:HGroup>
            <mx:HRule width="99%" alpha="0.4"/>
            <s:HGroup width="100%" height="22%" paddingBottom="2" paddingLeft="2" paddingRight="2"
                      paddingTop="2" verticalAlign="middle">
                <s:Label height="30" width="50" text="按年" textAlign="center" verticalAlign="middle"/>
                <s:List id="yearArrayId" width="50%" height="100%" borderAlpha="0.4" allowMultipleSelection="true" dataProvider="{yearArray}" labelField="city" toolTip="按Shift键支持多选">
                    
                </s:List>
                <s:VGroup width="30%" height="100%" horizontalAlign="center" verticalAlign="middle">
                    <s:Button label="添加" click="yearButton7_addclickHandler(event)"/>
                    <s:Button label="移除" click="yearButton8_removeclickHandler(event)"/>
                </s:VGroup>
            </s:HGroup>
        </s:BorderContainer>
        <s:BorderContainer width="40%" height="100%" borderAlpha="0.4" cornerRadius="4">
            <s:layout>
                <s:VerticalLayout horizontalAlign="center" paddingBottom="2" paddingLeft="2"
                                  paddingRight="2" paddingTop="2"/>
            </s:layout>
            <s:Label height="30" text="待分配列表" textAlign="center" verticalAlign="middle"/>
            <s:List id="totalArrayId" width="100%" height="561" borderAlpha="0.4" allowMultipleSelection="true" dataProvider="{totalArray}" labelField="city" toolTip="按Shift键支持多选">
                
            </s:List>
        </s:BorderContainer>
    </s:HGroup>
</s:Application>