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https://issues.apache.org/jira/browse/FLEX-32721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Justin Mclean resolved FLEX-32721.
----------------------------------
Resolution: Fixed
Fix Version/s: Apache Flex 4.10.0
Checked into develop.
> Border skin sometimes dissappears from AdvancedDataGrid
> -------------------------------------------------------
>
> Key: FLEX-32721
> URL: https://issues.apache.org/jira/browse/FLEX-32721
> Project: Apache Flex
> Issue Type: Bug
> Components: Advanced Data Grid
> Affects Versions: Adobe Flex SDK Previous
> Environment: Affected OS(s): Windows
> Affected OS(s): Windows XP
> Language Found: English
> Reporter: Adobe JIRA
> Assignee: Justin Mclean
> Priority: Minor
> Fix For: Apache Flex 4.10.0
>
>
> Steps to reproduce:
> 1. compile attached mxml
> 2. show and hide dataGrid
>
> Actual Results:
> Border goes missing when component re-added to the stage
>
> Expected Results:
> Border does not go missing
>
> Workaround (if any):
> override protected function layoutChrome(unscaledWidth:Number,
> unscaledHeight:Number):void
> {
> super.layoutChrome( unscaledWidth, unscaledHeight );
>
> _layoutChromeCalled = true;
> }
> override protected function updateDisplayList( w : Number, h : Number ) : void
> {
> _layoutChromeCalled = false;
>
> super.updateDisplayList( w, h );
>
> if( !_layoutChromeCalled )layoutChrome( w, h )
> }
> Explanation:
> When the ADG is re-added to the stage ScrollControlBase.styleChanged is
> called with styleProp == null. This throws away the border and creates a new
> one. createBorder calls invalidateDisplayList.
> When updateDisplayList is called AdvancedListBase.updateDisplayList returns
> without calling super.updateDisplayList as the size of the component has not
> changed and none of the other conditions evaluate to true.
> ScrollControlBase.updateDisplayList, which is not called in this case would
> call layoutChrome which would correctly size the border.
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