Flex3 on Rails ( 4 ) -

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Flex3 on Rails ( 4 )

博客分类：

Flex3 & Rails2

Rails XML C C++C#

第三篇 Flex3 on Rails2 进阶(续)

接Flex3 on Rails ( 3)

下面是“添加”、“编辑”按钮弹出窗口EditPopUp.mxml的文件内容：采用了TitleWindow

<?xml version="1.0" encoding="utf-8"?>
<mx:TitleWindow xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" width="400" height="276"
     showCloseButton="true" close="handleClose(event)" borderColor="#000000" cornerRadius="10">
   <mx:Script>
   <![CDATA[
    import mx.managers.PopUpManager;
    import mx.events.CloseEvent;
    [Bindable]
     public var callbackFunction:Function; //回调函数
     private function callback():void{
       PopUpManager.removePopUp(this); //关闭子窗口
       callbackFunction.call(this.parent); // 调用父窗体的刷新函数
     }
     private function handleClose(evt:CloseEvent):void {
       PopUpManager.removePopUp(this);   //不进行任何操作，就关闭窗口
     }
     private function updatePost(data:Object, msg:String ):void {
      if ( msg == "edit" ){          //表明是编辑操作
      var selectedPost:XML = XML(data);
        var params:Object = new Object();
        params['post[title]'] = editPostTI.text;
        params['post[body]'] = editPostBd.text;
        params['_method'] = "PUT";
      svcPostsUpdate.url = "/posts/"+ selectedPost.id +".xml";
        svcPostsUpdate.send(params);
      }
      else svcPostsCreate.send(); //否则是新建记录操作
      setTimeout( callback, 1000); //需要延迟1000ms后再刷新父窗口，否则新数据来不及更新
     }
   ]]>
</mx:Script>
<mx:HTTPService id="svcPostsCreate" url="http://localhost:3000/posts.xml" resultFormat="e4x" contentType="application/xml" method="POST">
     <mx:request>
        <Post>
          <title>{editPostTI.text}</title>
          <body>{editPostBd.text}</body>
        </Post>
     </mx:request>
</mx:HTTPService>
<mx:HTTPService id="svcPostsUpdate" resultFormat="e4x" method="POST" />
    <mx:HBox width="100%" paddingLeft="5" paddingRight="5" paddingTop="5" height="37">
      <mx:Label text="标题" fontFamily="Arial" fontSize="14"/>
      <mx:TextInput id="editPostTI" text="{data.title}" width="100%" height="27" fontFamily="Arial" fontSize="14"/>
    </mx:HBox>

    <mx:HBox width="100%" paddingLeft="5" paddingRight="5" paddingTop="5" height="111">
      <mx:Label text="主体" fontFamily="Arial" fontSize="14" height="23"/>
      <mx:TextArea width="100%" text="{data.body}" height="96" id="editPostBd"   fontFamily="Arial" fontSize="14"/>
    </mx:HBox>