在flex中使用popupmanmanager時的隱式強制

Question

我不得不重新格式化我的問題，因爲我意識到我使用的是不正確的flex方法。但仍然會出現類似問題：

 private function passForm():void { 


      PopUpManager.addPopUp(passTitleWindow, this, true); 
      PopUpManager.centerPopUp(passTitleWindow); 


     } 

          <s:Button includeIn="Detail" x="10" y="329" 
            id= "btn1" 
            label="Pass" 
            click="passForm()" 
            visible="{hasScreen}" /> 

我點擊並彈出不顯示。

Answer 1

你不能基於它的id實例化一個項目。把你的TitleWindow變成另一個類並實例化它。

PassTitleWindow.mxml

<?xml version="1.0" encoding="utf-8"?> 
<mx:TitleWindow 
    xmlns:fx="http://ns.adobe.com/mxml/2009" 
    xmlns:s="library://ns.adobe.com/flex/spark" 
    xmlns:mx="library://ns.adobe.com/flex/mx" 
    title="Pass" 
    layout="vertical" 
    width="480" 
    height="240" 
    titleStyleName="titleText" 
    backgroundColor="white" 
    backgroundAlpha="1.0" 
    borderColor="white" 
    borderAlpha="1.0" 
    cornerRadius="0" 
    showCloseButton="true" 
    implements="mx.core.IDataRenderer"> 

    <fx:Script> 
     <![CDATA[ 

      private var _data:Object; 
      [Bindable(event="dataChange")] 
      /** 
      * implementing mx.core.IDataRenderer. 
      * Set this value from outside 
      */ 
      public function get data():Object 
      { 
       return _data; 
      } 

      /** 
      * @private 
      */ 
      public function set data(value:Object):void 
      { 
       if (_data == value) 
        return; 
       _data = value; 
       dispatchEvent(new Event("dataChange")); 
      } 
     ]]> 
    </fx:Script> 

    <mx:Text text="Please fill out the following criteria and then click continue." 
     width="100%" 
     styleName="headingText"/> 

    <mx:Form x="-12" y="150" id="passView"> 

     <mx:FormItem label="Age" > 
      <s:TextInput id="ageTextInput" "@{data.age}"/> 
     </mx:FormItem> 
     <mx:FormItem label="Grade" > 
      <s:TextInput id="gradeTextInput"/> 
     </mx:FormItem> 

    </mx:Form> 

</mx:TitleWindow> 

SampleApp.mxml

<?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" 
    creationComplete="creationCompleteHandler()"> 

    <fx:Script> 
     <![CDATA[ 

      import mx.managers.PopUpManager; 

      protected var passWindow:PassTitleWindow = new PassTitleWindow; 

      protected function creationCompleteHandler():void 
      { 
       createForm(); 
      } 

      protected function createForm():void 
      { 
       passWindow = PopUpManager.createPopUp(this, PassTitleWindow, true) as PassTitleWindow; 
       passWindow.data = studentGrid.selectedItem; 
       PopUpManager.centerPopUp(passWindow); 
      } 
     ]]> 
    </fx:Script> 

</s:Application> 

希望幫助， 蘭斯