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From "Gareth Daniel Smith (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLEX-24628) ListCollectionView does not react to wrapped list's REFRESH event
Date Mon, 11 May 2015 15:07:00 GMT

    [ https://issues.apache.org/jira/browse/FLEX-24628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14538013#comment-14538013
] 

Gareth Daniel Smith commented on FLEX-24628:
--------------------------------------------

Any change of reconsidering this? I agree with the original bug reporter: REFRESH events on
the wrapped list should cause a refresh on the wrapping list too, otherwise the wrapping list
gets out-of-sync.

> ListCollectionView does not react to wrapped list's REFRESH event
> -----------------------------------------------------------------
>
>                 Key: FLEX-24628
>                 URL: https://issues.apache.org/jira/browse/FLEX-24628
>             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
>            Assignee: Adobe JIRA
>
> Steps to reproduce:
> 1. Run code below
>  
>  Actual Results:
>  list2 and list3 reports a length of 1 after the filter input has changed 
>  
>  Expected Results:
>  list3 and list3 should report a length of 0
>  
>  Workaround (if any):
>  Don't know, maybe subclass ListCollectionView..? Wouldn't be the first class I have
to subclass to fix a bug myself.
>  
> -------------
> 				var numberToMatch:Number = 1;
> 				
> 				var list1:ArrayCollection = new ArrayCollection([1,2,3]);
> 				list1.addEventListener(CollectionEvent.COLLECTION_CHANGE, function(event:Event):void
{ trace(event); });
> 				var list2:ListCollectionView = new ListCollectionView(list1);
> 				list2.filterFunction = function(item:Object):Boolean { return Number(item) == numberToMatch;
};
> 				list2.refresh();
> 				
> 				var list3:ListCollectionView = new ListCollectionView(list2);
> 				list3.sort = new Sort();
> 				list3.refresh();
> 				
> 				trace(list1.length);
> 				trace(list2.length);
> 				trace(list3.length);
> 				
> 				numberToMatch = 4;
> 				list1.refresh();
> 				
> 				trace(list1.length);
> 				trace(list2.length);
> 				trace(list3.length);
> 				list1.source = list1.source;
> 				
> 				trace(list1.length);
> 				trace(list2.length);
> 				trace(list3.length);



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