[flexcoders] DataGrid Custom Component problem

[mousikos2001]

Hello all

I have this problem. I have a datagrid with many rows, actually 720.
in the datagrid i use a custom component i've made which plays an mp3
file taken from the xml file which populates the datagrid.

The problem is that when i scroll up or down the datagrid the mp3s get
mixed up as a result if you click the first row mp3 to play and then
after a scroll or two you click it again you hear a different mp3
playing...

here is the code...



<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml";
layout="absolute" creationComplete="decisionList.send();"
xmlns:view="view.*">

     <mx:Script>
         <![CDATA[

             import mx.controls.Alert;
             import view.soundPlay;

             [Bindable]
             public var decisionXML:XML;


             private function resultHandler():void
             {
                 decisionXML = decisionList.lastResult as XML;
             }

             public function getDetails(id:Number,rating:Number):void {
                 Alert.show('hello '+id+" "+rating);
             }

         ]]>
     </mx:Script>

     <mx:HTTPService id="decisionList" resultFormat="e4x"
url="mp3results.xml" result="resultHandler()"/>

     <mx:HTTPService id="sendRating" url="rating.php" />

     <mx:Panel width="770" height="500" layout="absolute" x="61" y="23">
         <mx:DataGrid id="decisionDataGrid"
                      editable="true" textAlign="center"
                      draggableColumns="false"
                      resizableColumns="false"
                      sortableColumns="false"
                      selectable="true"
                      dataProvider="{decisionXML.example}" left="10"
right="10" bottom="76" height="262">
             <mx:columns>
                 <mx:Array>
                           <mx:DataGridColumn dataField="id"
editable="false" headerText="A/A" width="100"/>

                           <mx:DataGridColumn dataField="samplepath"
editable="false" headerText="Ξ‘Ο…ΞΈΞΌΟŒΟ‚">
                           <mx:itemRenderer>
                               <mx:Component>
                                   <view:soundPlay
soundUrl="MP3{data.samplepath}" />
                               </mx:Component>
                           </mx:itemRenderer>
                           </mx:DataGridColumn>

                           <mx:DataGridColumn dataField="childreaction"
editable="false" headerText="Ξ‘Ο€ΟŒΞΊΟΞΉΟƒΞ·">
                           <mx:itemRenderer>
                               <mx:Component>
                                   <view:soundPlay
soundUrl="{data.childreaction}" />
                               </mx:Component>
                           </mx:itemRenderer>
                           </mx:DataGridColumn>

                           <mx:DataGridColumn dataField="rate"
                                              width="100"
textAlign="center"
                                             
headerText="Βαθμολογία"
                                              sortable="false"
                                              rendererIsEditor="true"
                                              editorDataField="value">
                               <mx:itemRenderer>
                               <mx:Component>
                                   <mx:HBox horizontalAlign="center">
                                       <mx:Script>
                                           <![CDATA[
                                               [Bindable]
                                               public var value:Number;
                                           ]]>
                                       </mx:Script>
                                       <mx:NumericStepper
id="displayNumberStepper" value="{data.rate}" change="value =
displayNumberStepper.value"/>
                                   </mx:HBox>
                               </mx:Component>
                               </mx:itemRenderer>
                           </mx:DataGridColumn>
                           <mx:DataGridColumn
                                        width="120" textAlign="center"
                                       
headerText="ΑποστολΞ� βαθμολογίας"
                                         editable="false"
                                         >
                         <mx:itemRenderer>
                             <mx:Component>
                                 <mx:HBox horizontalAlign="center">

                                   <mx:Button
label="ΑποστολΞ�"
click="outerDocument.getDetails(data.id,data.rate)"  />
                                 </mx:HBox>
                             </mx:Component>
                         </mx:itemRenderer>
                     </mx:DataGridColumn>

                 </mx:Array>
             </mx:columns>
         </mx:DataGrid>


     </mx:Panel>
</mx:Application>

And here is the component's code

<?xml version="1.0" encoding="utf-8"?>
<mx:Canvas xmlns:mx="http://www.adobe.com/2006/mxml";
xmlns:net="flash.net.*" xmlns:media="flash.media.*" width="120"
height="44" creationComplete="mySound.load(myURLReq)">
<mx:Script>
     <![CDATA[
         [Bindable]
         public var soundUrl:String;
     ]]>
</mx:Script>

   <net:URLRequest id="myURLReq" url="{soundUrl}" />
   <media:SoundChannel id="mySoundChannel" />
   <media:Sound id="mySound"  />
   <mx:Button id="play" label="ΑναπαραγωγΞ�"
click="mySoundChannel = mySound.play(0, 0, null);" horizontalCenter="0"
verticalCenter="0"/>
</mx:Canvas>




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