[jira] [Updated] (FLEX-34190) Hover indicator shows on incorrect row when scrolled and CollectionChangeEvent is dispatched

["Marcus Wilkinson (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLEX-34190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marcus Wilkinson updated FLEX-34190:
------------------------------------

    Attachment: Ghosting.mxml

> Hover indicator shows on incorrect row when scrolled and CollectionChangeEvent is dispatched
> --------------------------------------------------------------------------------------------
>
>                 Key: FLEX-34190
>                 URL: https://issues.apache.org/jira/browse/FLEX-34190
>             Project: Apache Flex
>          Issue Type: Bug
>          Components: Spark: DataGrid, Spark: Scroller
>    Affects Versions: Apache Flex 4.11.0
>         Environment: Apache Flex 4.11 AIR 3.9, Desktop
>            Reporter: Marcus Wilkinson
>              Labels: datagrid, gridclick
>         Attachments: Ghosting.mxml
>
>
> Steps to reproduce:
> * Create and run the attached project.
> * click on the "change something" button on one of the lower rows
> Actual result:
> * The row two or three higher than where the mouse is shows the hover indicator
> Expected result:
> * The hover indicator does not change from the row under the mouse
> Culprit seems to be in spark.components.Grid.as, the function updateHoverForDataProviderChange computes the hoverRowIndex to be one which ignores the current scroll position.



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