[jira] [Updated] (FLEX-23785) ArrayCollection.itemUpdated does not update the view when filterFunction is not null

["Justin Mclean (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLEX-23785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Justin Mclean updated FLEX-23785:
---------------------------------

    Labels: easyfix easytest  (was: )
    
> ArrayCollection.itemUpdated does not update the view when filterFunction is not null
> ------------------------------------------------------------------------------------
>
>                 Key: FLEX-23785
>                 URL: https://issues.apache.org/jira/browse/FLEX-23785
>             Project: Apache Flex
>          Issue Type: Bug
>          Components: Collections
>    Affects Versions: Adobe Flex SDK 3.5 (Release)
>         Environment: Affected OS(s): Windows
> Affected OS(s): Windows XP
> Browser: Firefox 3.x
> Language Found: English
>            Reporter: Adobe JIRA
>              Labels: easyfix, easytest
>
> Steps to reproduce:
> 1. create an ArrayCollection with filterFunction function(...z):Boolean { return true; }
> 2. bind it to mx:List as dataProvider
> 3. change one of the objects and perform ArrayCollection.itemUpdated
>  
>  Actual Results:
> The view does not change automatically.
>  
>  Expected Results:
> The view should change.
>  
>  Workaround (if any):
> Call ArrayCollection.refresh() after all updates
>  Reason:
> If filterFunction was null, this would work.
>  Code:
> File http://opensource.adobe.com/svn/opensource/flex/sdk/trunk/frameworks/projects/framework/src/mx/collections/ListCollectionView.as
> private function handlePropertyChangeEvents(events:Array):void
> Instruction:
>                 updateEntry.move =
>                     updateEntry.move
>                     || filterFunction
>                     || !updateInfo.property
>                     || (sort && sort.propertyAffectsSort(String(updateInfo.property)));
> Before this assignment updateEntry.move == false
> But after updateEntry.move == filterFunction (probably should be still Boolean)
> Another instruction:
>                 if (updateEntry.move)
>                 {
>                     moveItemInView(updateEntry.item, updateEntry.item, eventItems);
>                 }
>                 else
>                 {
>                     eventItems.push(updateEntry.item);
>                 }
> As a result of the previous mistake, the if branch executes.
> It's very likely to be working if the else branch executed instead.
> As a final consequence no event is dispatched at the very end of the function.
> When filterFunction is null, the huge if (95% of the function) does not execute and the event at the very end of the function is dispatched.

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