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https://issues.apache.org/jira/browse/FLEX-33282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Mclean updated FLEX-33282:
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Labels: perfomance (was: )
> Performance issue with multiple item renderers
> -----------------------------------------------
>
> Key: FLEX-33282
> URL: https://issues.apache.org/jira/browse/FLEX-33282
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: DataGrid
> Affects Versions: Adobe Flex SDK 4.6 (Release)
> Environment: At least on mac
> Reporter: Petteri Tuovila
> Labels: perfomance
>
> The problem is that the ItemRenderer's prepare is called for every visible
> ItemRenderer when the mouse is moved over the grid and when starting and
> finishing item editing. Of course that prepare function should be called when
> the renderers are first brought to stage at the initialization and when you
> scroll up or down outside the screen when the renderers are recycled.
> We are using datasets that well fit the screen with multiple columns so this
> can really make the program a little sluggish to use. When starting to edit
> there's easily a second or two delay before editor appears, after the
> indicator catches up with the mouse.
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