Flex：将一个参数传递给itemEditor

Question

我有一个数据网格，其中一列调用一个自定义itemEditor像;

    <mx:DataGridColumn dataField="city" 
             width="150" 
             headerText="City" 
             itemEditor="components.ComboCity" 
             editorDataField="city"/> 

而我的自定义itemEditor看起来像;

<?xml version="1.0" encoding="utf-8"?> 
    <s:MXDataGridItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009" 
           xmlns:s="library://ns.adobe.com/flex/spark" 
           xmlns:mx="library://ns.adobe.com/flex/mx" 
           focusEnabled="true"> 
     <mx:ComboBox id="comboBox"/> 
     <fx:Script> 
      <![CDATA[ 
       public var myString:String; 
       . 
       . 
       . 

我该如何从我的主应用程序传递一个值到myString？

Answer 1

看看这个链接，我想你会在那里找到你的答案：

http://livedocs.adobe.com/flex/3/html/help.html?content=cellrenderer_3.html

Furher XP：

myGrid.editedItemRenderer.data.City=myEditor(myGrid.itemEditorInstance).setCity.text; 

Answer 2

你总是可以通过调用指从itemRenderer的父组件“outerDocument”属性，例如：

myString = outerDocument.componentProperty 

http://livedocs.adobe.com/flex/3/html/help.html?content=cellrenderer_6.html

Answer 3

对我来说，最好的解决办法：

<mx:Script> 
    <![CDATA[ 

     import mx.events.DataGridEvent; 

     private function itemEditorCreateHandle(event:DataGridEvent):void 
     {    
      ComboCity(DataGrid(event.target).itemEditorInstance).myString = "Put here the value"; 
     } 

    ]]> 
</mx:Script> 

<mx:DataGridColumn  
    dataField="city" 
    width="150" 
    headerText="City" 
    itemEditor="components.ComboCity" 
    itemEditorCreate="itemEditorCreateHandle(event);" 
    editorDataField="city"/>