Definitely is a bug. I’ll go
ahead and file it. I don’t have a workaround for you right now, maybe
try re-creating the ArrayCollection instead of just the inner array? myAC
= new ArrayCollection(projectFiles) instead of re-assigning projectFiles.
I don’t have more time to dig on it, sorry.
Matt
I'm reposting this as I
didn't have any luck during the weekend.
Is this a bug or am I just not using it properly?
If it is a bug: is there a workaround to create
those tabs on the fly?
Cheers!
--------------
Andreas Weber
motiondraw.com
-----Original Message-----
From: [email protected]
[mailto:[email protected]]On
Behalf Of Andreas Weber
Sent: Saturday, October 29, 2005 8:55 PM
To: Flexcoders
Subject: [flexcoders] Repeater inside
TabNavigator, manipulated by class
I'm using a simple Array of objects as
dataProvider of a Repeater.
When updating the Array from a class I run into an
odd problem:
the Repeater works and updates fine when I use it
outside a TabNavigator -
inside the TabNavigator I get an "Error
#1009: null has no properties."
(See code and complete error message below)
Thanks for any insight!
--------------
Andreas Weber
motiondraw.com
<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.macromedia.com/2005/mxml"
creationComplete="init()">
<mx:Script>
<![CDATA[
[Bindable]
public var projectFiles =[{filename:"orig", content:"some
content"}];
import TestClass;
private function init():Void{
public var myTestClass:TestClass = new TestClass();
}
]]>
</mx:Script>
<mx:ArrayCollection
id="myAC" source="{projectFiles}"/>
<mx:Repeater id="repeater1"
dataProvider="{myAC}">
<mx:Button label="{repeater1.currentItem.filename},
{repeater1.currentItem.content}"
/>
</mx:Repeater>
<mx:TabNavigator
id="tabNav" width="100%" height="100%">
<mx:Repeater id="repeater2"
dataProvider="{myAC}">
<mx:Canvas label="{repeater2.currentItem.filename}">
<mx:TextArea width="100%" height="100%"
htmlText="{repeater2.currentItem.content}">
</mx:TextArea>
</mx:Canvas>
</mx:Repeater>
</mx:TabNavigator>
</mx:Application>
-----------------------------------------------
TestClass.as
package {
public class
TestClass {
private var app = mx.core.Application.application;
public function TestClass(){
app.projectFiles =[{filename:"about1", content:"the
content of about 1"},
{filename:"about2", content:"the content of
about 2"},
{filename:"about3", content:"the content of
about 3"},
{filename:"about4", content:"the content of
about 4"}];
}
}
}
--------------------------
TypeError: Error #1009: null has no properties.
at
mx.core::Repeater/Repeater$410$private::getIndexForFirstChild()
at mx.core::Repeater/Repeater$410$private::recreate()
at
mx.core::Repeater/Repeater$410$private::execute()
at
mx.core::Repeater/Repeater$410$private::sort()
at
mx.core::Repeater/Repeater$410$private::collectionChangedHandler()
at flash.events::EventDispatcher/dispatchEvent()
at
mx.collections::ListCollectionView/dispatchEvent()
at
mx.collections::ListCollectionView/refresh()
at
mx.collections::ListCollectionView/http://www.macromedia.com/2005/flex/mx/in
ternal::reset()
at
mx.collections::ListCollectionView/set list()
at
mx.collections::ArrayCollection/set source()
at MethodInfo-552()
at
mx.binding::Binding/execute()
at
mx.binding::Binding/watcherFired()
at
mx.binding::Watcher/notifyListeners()
at
mx.binding::PropertyWatcher/handleEvent()
at
flash.events::EventDispatcher/dispatchEvent()
at test2/set
projectFiles()
at
TestClass$iinit()
at
test2/test2$374$private::init()
at
test2/___Application0_creationComplete()
at
flash.events::EventDispatcher/dispatchEvent()
at
mx.core::UIComponent/mx.core:UIComponent$protected::dispatchCreationComplete
Event()
at
mx.core::UIComponent$/http://www.macromedia.com/2005/flex/mx/internal::dispa
tchCreationCompleteEvents()
at
mx.managers::LayoutManager/LayoutManager$1689$private::doPhasedInstantiation
()
at
mx.core::UIComponent/UIComponent$480$private::callLaterDispatcher2()
at
mx.core::UIComponent/UIComponent$480$private::callLaterDispatcher()
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