Good plan, but I think I need to be more specific with the event. I get
Error: Repeater.collectionChangedHandler: unhandled collectionEvent
kind, 500
at
mx.core::Repeater/mx.core:Repeater::collectionChangedHandler()[C:\dev\beta1\sdk\frameworks\mx\core\Repeater.as:1000]
at flash.events::EventDispatcher/dispatchEvent()
at
mx.collections::ListCollectionView/dispatchEvent()[C:\dev\beta1\sdk\frameworks\mx\collections\ListCollectionView.as:701]
at
components::DashBoardTabList/components:DashBoardTabList::populateCategoryList()[C:\dev\HEAD\PRODUCT\websites\MisDashboard\dev\components\DashBoardTabList.mxml:27]
at
()[C:\dev\HEAD\PRODUCT\websites\MisDashboard\dev\services\category\FetchCategoryList.as:24]
at flash.events::EventDispatcher/dispatchEvent()
at
mx.rpc::AbstractService/dispatchEvent()[C:\dev\enterprise_beta1\frameworks\mx\rpc\AbstractService.as:144]
at
mx.rpc::AbstractOperation/http://www.macromedia.com/2005/flex/mx/internal::dispatchRpcEvent()[C:\dev\enterprise_beta1\frameworks\mx\rpc\AbstractOperation.as:162]
at
mx.rpc::AbstractInvoker/http://www.macromedia.com/2005/flex/mx/internal::resultHandler()[C:\dev\enterprise_beta1\frameworks\mx\rpc\AbstractInvoker.as:175]
at flash.events::EventDispatcher/dispatchEvent()
at
mx.rpc::Producer/acknowledge()[C:\dev\enterprise_beta1\frameworks\mx\rpc\Producer.as:69]
at
C:\dev\enterprise_beta1\frameworks\libs\framework.swc(mx/validators/Validator)$132::DirectHTTPMessageResponder/completeHandler()[C:\dev\enterprise_beta1\frameworks\mx\messaging\channels\DirectHTTPChannel.as:277]
at flash.events::EventDispatcher/dispatchEvent()
at flash.net::URLLoader/flash.net:URLLoader::onComplete()
Tim.
--- In [email protected], "Geoffrey Williams" <[EMAIL PROTECTED]>
wrote:
>
> Try:
>
> tabsDataProvider = new ArrayCollection(event.result);
> tabsDataProvider.dispatchEvent (new CollectionEvent ());
>
> -----Original Message-----
> From: [email protected] [mailto:[EMAIL PROTECTED] On
> Behalf Of Tim Sawyer
> Sent: Wednesday, March 08, 2006 7:25 AM
> To: [email protected]
> Subject: [flexcoders] Repeater and Web Services (Flex 2b1)
>
> I'm having a problem trying to get a set of tabs generated from a web
> service. Full code for my component is pasted at the end of the
message.
>
> The problem is down to getting the results from the web service and
> getting the tabs to rebuild from that list.
>
> If I do:
>
> tabsDataProvider = new ArrayCollection(event.result);
>
> then the tabs aren't rebuilt, presumably because the Repeater doesn't
> notice the list has changed.
>
> If I add individual objects to the tabsDataProvider, which is an
> ArrayCollection, using a for loop (see code later) then the event does
> fire as expected and I get a runtime error:
>
> TypeError: Error #1009: null has no properties.
> at mx.core::Repeater/mx.core:Repeater::getIndexForFirstChild()
> at mx.core::Repeater/mx.core:Repeater::recreate()
> at mx.core::Repeater/mx.core:Repeater::execute()
> at mx.core::Repeater/mx.core:Repeater::collectionChangedHandler()
> at flash.events::EventDispatcher/dispatchEvent()
> at mx.collections::ListCollectionView/dispatchEvent()
> at
>
mx.collections::ListCollectionView/mx.collections:ListCollectionView::addIte
> msToView()
> at
>
mx.collections::ListCollectionView/mx.collections:ListCollectionView::listCh
> angeHandler()
> at flash.events::EventDispatcher/dispatchEvent()
> at
>
mx.collections::ArrayList/mx.collections:ArrayList::internalDispatchEvent()
> at mx.collections::ArrayList/addItemAt()
> at mx.collections::ListCollectionView/addItemAt()
> at mx.collections::ListCollectionView/addItem()
> at
>
components::DashBoardTabList/components:DashBoardTabList::populateCategoryLi
> st()
> at MethodInfo-2275()
> at flash.events::EventDispatcher/dispatchEvent()
> at mx.rpc::AbstractService/dispatchEvent()
> at
>
mx.rpc::AbstractOperation/http://www.macromedia.com/2005/flex/mx/internal::d
> ispatchRpcEvent()
> at
>
mx.rpc::AbstractInvoker/http://www.macromedia.com/2005/flex/mx/internal::res
> ultHandler()
> at flash.events::EventDispatcher/dispatchEvent()
> at mx.rpc::Producer/acknowledge()
> at
>
C:\dev\enterprise_beta1\frameworks\libs\framework.swc(mx/validators/Validato
> r)$132::DirectHTTPMessageResponder/completeHandler()
> at flash.events::EventDispatcher/dispatchEvent()
> at flash.net::URLLoader/flash.net:URLLoader::onComplete()
>
> Can someone give me a pointer in the right direction?
>
> ta,
>
> Tim.
>
> Full component code:
>
> <?xml version="1.0" encoding="utf-8"?>
> <mx:HBox xmlns:mx="http://www.macromedia.com/2005/mxml";
> xmlns:comp="components.*" initialize="callWebServiceForCategoryList()">
> <mx:Script>
> <![CDATA[
>
> import services.category.FetchCategoryList;
> import services.category.FetchCategoryListCallParameter;
> import mx.rpc.AbstractService;
> import mx.collections.ArrayCollection;
> import mx.rpc.events.ResultEvent;
> [Bindable] public var tabsDataProvider : ArrayCollection = null;
>
> private function callWebServiceForCategoryList():void
> {
> var lService : AbstractService = FetchCategoryList.getService();
> var lCallParam : FetchCategoryListCallParameter = new
> FetchCategoryListCallParameter();
> lCallParam.SecurityToken = "Blah";
> var lCall : Object = lService.FetchCategoryList(lCallParam);
> lCall.resultHandler = this.populateCategoryList;
> }
>
> private function populateCategoryList(event : ResultEvent) : void
> {
> tabsDataProvider = new ArrayCollection();
> var lResults : ArrayCollection = new
ArrayCollection(event.result);
> var lIndex:int;
> for (lIndex = 0; lIndex < lResults.length; lIndex++)
> {
> tabsDataProvider.addItem(lResults.getItemAt(lIndex));
> }
> }
> ]]>
> </mx:Script>
>
>
> <mx:TabNavigator width="100%" height="100%" >
> <mx:Canvas label="Home" width="100%" height="100%">
> <comp:FrontPage/>
> </mx:Canvas>
> <mx:Repeater id="myCategories"
> dataProvider="{tabsDataProvider}"
> startingIndex="0">
> <mx:Canvas label="{myCategories.currentItem.Description}"
> width="100%" height="100%" >
> <comp:DashBoardPage/>
> </mx:Canvas>
> </mx:Repeater>
>
> <mx:Canvas label="Control Panel" width="100%" height="100%"
> >
> <comp:AdminFrontPage/>
> </mx:Canvas>
> </mx:TabNavigator>
> </mx:HBox>
>
>
>
>
>
>
>
> --
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