Hi,
Your wiping the reference to the original collection looks like.
When you receive your data, try using removeAll(), addItem() or
ICollectionView.
OR
set the 'source' property on the collection you added the listener to.
Mike
On Wed, Jun 11, 2008 at 9:56 AM, Derrick Anderson <
[EMAIL PROTECTED]> wrote:
> Hi, I'm using the Guasax framework in my application- and in my model I
> am adding a collection change event listener, but it is never getting fired-
> here is my code (is there something with adding event listeners in a
> constructor maybe??)
>
> *EmployeesModel.as*
> package com.winn.model
> {
> import com.winn.vo.EmployeeVO;
>
> import conf.Constants;
>
> import es.guasax.container.GuasaxContainer;
> import es.guasax.view.ViewLocator;
>
> import mx.collections.ArrayCollection;
> import mx.controls.Alert;
> import mx.events.CollectionEvent;
>
> public class EmployeesModel
> {
> private static var instance:EmployeesModel;
> public static function getInstance():EmployeesModel
> {
> if( instance==null ) instance = new EmployeesModel();
> return instance;
> }
>
> [Bindable] public var selectedEmployee:EmployeeVO;
> [Bindable] public var employeesList:ArrayCollection;
> [Bindable] public var employeeStatusList:ArrayCollection;
>
> public function EmployeesModel(){
> employeesList = new ArrayCollection();
> employeeStatusList = new ArrayCollection();
>
> *employeeStatusList.addEventListener (
> CollectionEvent.COLLECTION_CHANGE,employeeStatusListChange );*
> }
>
> * public function
> employeeStatusListChange(event:CollectionEvent):void
> {
> Alert.show('firing listener function');//never shows
> GuasaxContainer.getInstance().executeViewUpdate(
>
> [ViewLocator.getInstance().getViewObject(Constants.EMPLOYEES_VIEW)],
> 'setEmployeeTypes',[]);
> }*
> }
> }
>
> now here is where I load content into that arrayCollection and expect to
> see my listener function fire off
>
> *EmployeeBO.as
> private var employeesModel:EmployeesModel = EmployeesModel.getInstance();
> *public function getEmployeesAuxData():void
> {
> var params:Array = [];
>
> ServiceLocator.getInstance().executeService("employeeCFC","getEmployeesAuxData",params,employeesAuxDataHandler,faultHandler,this);
> }
>
> public function employeesAuxDataHandler(event:* = null ):void
> {
> *employeesModel.employeeStatusList =
> event.result.EMPLOYEESTATUSES;//i assumed this would be enough to trigger
> the collectionChange***
> //employeesModel.employeeStatusList.refresh();*//thought
> this would make the collectionEvent fire, but didn't*
> employeesModel.employeeStatusList.dispatchEvent(new
> CollectionEvent(CollectionEvent.COLLECTION_CHANGE));*//then tried to fire
> it manually, but my listener is still never registered*
> }
>
> can anybody see why it seems my event listener is never registered?
>
> thanks,
> d.
>
>
>
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