Hi,
I've got some serious trouble using a TileList with Data-Binding. I
have a TileList to display a part of an XML and a selectbox to switch
betwenn different parts of this xml (chapters). The XMLListCollection
containing the content of the TileList is Bindable and even changes,
as you can see in the Debug-Textarea on the right side. But the
TileList even does not notice about changing it's (bindable)
dataprovider, all kinds of methods like invalidateData() or something
does not take any effect.
Does anybody has an idea, what the problem is?
<?xml version="1.0" encoding="utf-8"?>
<mx:Application
xmlns:mx="http://www.adobe.com/2006/mxml";
initialize="init()"
layout="absolute">
<mx:Script>
<![CDATA[
import mx.collections.XMLListCollection;
[Bindable]
private var pages:XMLListCollection;
[Bindable]
private var chapters:XMLListCollection;
private function init():void
{
chapters = new XMLListCollection
(catalogueXML..chapter.chaptertitle);
trace('chapters: ' +
chapters.toXMLString());
pages = new XMLListCollection
(catalogueXML.chapter[0]..page);
pageTileList.dataProvider = pages;
}
private function switchChapters
(event:Event):void
{
pages = new XMLListCollection
(catalogueXML.chapter[event.target.selectedIndex]..page);
pageTileList.initialize();
}
]]>
</mx:Script>
<mx:ComboBox dataProvider="{chapters}"
labelField="chaptertitle" change="switchChapters(event)" left="470"
top="10"/>
<mx:TileList id="pageTileList" width="450" left="10" top="10"
bottom="10" itemRenderer="TestTileListItemRenderer"></mx:TileList>
<mx:TextArea id="output" text="{pages.toXMLString()}"
left="470" right="10" bottom="10" top="40">
</mx:TextArea>
<mx:XML id="catalogueXML">
<catalogue>
<chapter>
<chaptertitle>
chapter 1
</chaptertitle>
<page>
<pagetitle>
This is a test
</pagetitle>
</page>
<page>
<pagetitle>
This is not a test
</pagetitle>
</page>
<page>
<pagetitle>
Sd this is a test
</pagetitle>
</page>
<page>
<pagetitle>
This is for testing
</pagetitle>
</page>
<page>
<pagetitle>
Oh no, even a test
too...
</pagetitle>
</page>
</chapter>
<chapter>
<chaptertitle>
chapter 2
</chaptertitle>
<page>
<pagetitle>
This is a test on
page 2
</pagetitle>
</page>
<page>
<pagetitle>
This is not a test on
page 2
</pagetitle>
</page>
<page>
<pagetitle>
Oh no, even a test on
page 2 too...
</pagetitle>
</page>
</chapter>
</catalogue>
</mx:XML>
</mx:Application>
the ItemRenderer:
<?xml version="1.0" encoding="utf-8"?>
<mx:Panel
xmlns:mx="http://www.adobe.com/2006/mxml";
layout="absolute" width="220" height="180"
borderStyle="outset" borderColor="black" borderThickness="1"
creationComplete="init()">
<mx:Script>
<![CDATA[
[Bindable]
private var pageTitle:String;
private function init():void
{
pageTitle =
this.data.pagetitle.toString();
this.title = pageTitle;
}
]]>
</mx:Script>
</mx:Panel>
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