Showing XML Nodes from an Array Collection
I've got an XML Doc loaded in. I've created an Horizontal List and referenced the arraycollection as the Data Provider. But what I need to do now is then pull the data out from that.
I have 3 nodes / variables. They are id, title, thumbnail.
But when I go to pull through the data as : {videos.title}
Flex Builder gives me the Error - "Access of undefined property videos"
Now I know full well it exists, as when I set the dataProvider to {videos} it pulls through the data without issue.
My code is as follows :
<?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="800" minHeight="600"
initialize="channelList.send(),videoList.send()"
pageTitle="Video List"
width="100%" height="100%" backgroundColor="0x0000" xmlns:local="*">
<fx:Style>
@namespace s "library://ns.adobe.com/flex/spark";
@namespace mx "library://ns.adobe.com/flex/mx";
</fx:Style>
<fx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import mx.messaging.Channel;
import mx.r开发者_JS百科pc.events.FaultEvent;
import mx.rpc.events.ResultEvent;
import spark.skins.spark.DefaultComplexItemRenderer;
import spark.skins.spark.DefaultItemRenderer;
import videoObjects.Videoinfo;
// Set the Videos XML to an Array Collection
var videos:ArrayCollection = new ArrayCollection();
// Event Handler
protected function videoRetrieval_resultHandler(event:ResultEvent):void {
var videoData:ArrayCollection = event.result.videos.video;
var viddata:Videoinfo;
for each (var vid:Object in videoData)
{
viddata = new Videoinfo();
viddata.id = vid.id;
viddata.title = vid.title;
viddata.thumbnail = vid.thumbnail;
videos.addItem(viddata);
}
}
]]>
</fx:Script>
<fx:Declarations>
<!-- Place non-visual elements (e.g., services, value objects) here -->
<s:HTTPService id="channelList"
url="http://www.spriing.dev/videolist/channelinfo.php"
showBusyCursor="true">
</s:HTTPService>
<s:HTTPService id="videoList"
url="http://www.spriing.dev/videolist/videolist.php"
showBusyCursor="true"
result="videoRetrieval_resultHandler(event)">
</s:HTTPService>
</fx:Declarations>
<!-- Set Background Image -->
<mx:Image source="{channelList.lastResult.channels.channel.background_image}" width="100%" height="100%" />
<!-- End Background Image -->
<!-- Top Nav / Site Logo etc.. -->
<s:Group>
<mx:Image source="file:/Users/stuartblackett/Sites/videolist/img/pokerstars.png" x="14" y="9" />
</s:Group>
<!-- Group Channel Information -->
<s:Group width="100%" height="100%" x="10" y="10" styleName="channelInfo">
<s:Label text="{channelList.lastResult.channels.channel.name}" x="19" y="77" width="331" color="#FFFFFF" fontSize="14"/>
<s:Label text="{channelList.lastResult.channels.channel.description}" x="19" y="106" width="331" color="#FFFFFF" height="70"/>
<s:Label text="{channelList.lastResult.channels.channel.breadcrumb}" x="20" y="61" color="#FFFFFF"/>
<mx:Image source="{channelList.lastResult.channels.channel.logo}" x="199" y="78" />
<s:Group width="100%" height="100%">
<!-- Group Video Data -->
<s:Label text="FULL EPISODES" color="#FFFFFF" x="493" y="501" height="21"/>
<mx:HorizontalList id="videoArea"
rowHeight="160"
columnWidth="180"
columnCount="5"
x="489" y="527"
dataProvider="{videos}"
labelField="title"
width="653">
<mx:itemRenderer>
<fx:Component>
<mx:VBox>
<mx:Image source="img/"/>
<mx:Label text="{videos.title}"/>
</mx:VBox>
</fx:Component>
</mx:itemRenderer>
</mx:HorizontalList>
<s:VideoPlayer y="63" width="649" height="415" x="493"/>
</s:Group>
</s:Group>
</s:Application>
How do I go about getting the XML Node : title and of course the thumbnail too?
Change <mx:Label text="{videos.title}"/>
to
<mx:Label text="{data.title}"/>
To show the image, make it
<mx:Image source="img/{data.thumbnail}"/>
You're trying to access videos
from a drop-in item renderer (from within the <mx:component>
tag) - you cannot do that directly. The item renderer can access the properties of its outer document through the outerDocument
property. Thus outerDocument.videos.title
would work - or not. In this case, it won't work the way you want it - you want each item of the list to display the corresponding title. The outerDocument.videos.title
will just give you an XMLList of titles - use the data
property to access the current item.
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