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https://issues.apache.org/jira/browse/FLEX-33869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13810171#comment-13810171
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Maurice Amsellem commented on FLEX-33869:
-----------------------------------------
I have run through the code and probably can see why it's not working: when
spark DataGroup attemps to update the render, it' not there already as it has
been filtered, so DataGroup just retuns, doing nothing.
I think it should remove the renderer or something, when it can't be found.
However, DataGroup is a most critical class and any change could have numerous
impacts of many components.
I don't have the knowledge to make that change, sorry.
Maybe a senior member of the team could provide a fix.
In the meantime, I suggest you call "refresh()" as a workaround.
{code}
DataGroup setUpItemRenderer(renderer:IVisualElement, itemIndex:int,
data:Object):void
{
if (!renderer)
return;
{code}
> Using a filter function to hide item from a data provider has no effect on a
> spark list
> ---------------------------------------------------------------------------------------
>
> Key: FLEX-33869
> URL: https://issues.apache.org/jira/browse/FLEX-33869
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: List
> Affects Versions: Apache Flex 4.11.0
> Reporter: Alexander Scheibe
> Attachments: FilteredTest.fxp
>
>
> Steps to re-produce the bug:
> 1) have a data provider (ListCollectionView, e.g. ArrayCollection) with a
> filter function and one item
> 2) change a property of that item so the filter function will hide it from
> the view.
> Is:
> Item is still shown in the spark list
> Expected:
> Item is hidden in the list
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