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https://issues.apache.org/jira/browse/FLEX-28848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Georgios Galyfianakis updated FLEX-28848:
-----------------------------------------
Attachment: patch FLEX-28848.png
patch FLEX-28848.diff
patch proposal..
> DataGrid.borderVisible = false causes alignment issues
> ------------------------------------------------------
>
> Key: FLEX-28848
> URL: https://issues.apache.org/jira/browse/FLEX-28848
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: DataGrid
> Affects Versions: Adobe Flex SDK Previous
> Environment: Affected OS(s): All OS Platforms
> Affected OS(s): All OS Platforms
> Browser: Other (specify version)
> Language Found: English
> Reporter: Adobe JIRA
> Priority: Minor
> Attachments: patch FLEX-28848.diff, patch FLEX-28848.png
>
>
> Steps to reproduce:
> 1. Create a DataGrid and set borderVisible to false.
>
> Actual Results: The column header column separators and grid separators will
> now not line up correctly.
>
>
> Expected Results: The should align correctly
>
>
> Workaround (if any): Set borderAlpha to 0 instead of setting borderVisible
> to false.
> This issue is down to the fact that when there is a border the scroller has
> its minViewportInset property set to 1, so the Grid inside it has a border of
> one pixel around the edge. When borderVisible is set to false the
> minViewportInset property set to 0, therefore leaving no border around the
> edge of the Grid.....
> .... but GridColumnHeaderGroup always has a padding value of 1.
> <s:GridColumnHeaderGroup id="columnHeaderGroup"
>
> paddingLeft="1" paddingTop="1" paddingRight="1" minHeight="21"
>
> columnSeparator="{headerColumnSeparator}"
>
> headerRenderer="{headerRenderer}"/>
> The following code would fix this...
> override protected function updateDisplayList(unscaledWidth:Number,
> unscaledHeight:Number):void
> {
> if (getStyle("borderVisible") == true)
> {
> border.visible = true;
> background.left = background.top = background.right =
> background.bottom = 1;
> scroller.minViewportInset = 1;
> columnHeaderGroup.paddingLeft = columnHeaderGroup.paddingRight
> = 1;
> }
> else
> {
> border.visible = false;
> background.left = background.top = background.right =
> background.bottom = 0;
> scroller.minViewportInset = 0;
> columnHeaderGroup.paddingLeft = columnHeaderGroup.paddingRight
> = 0;
> }
>
> borderStroke.color = getStyle("borderColor");
> borderStroke.alpha = getStyle("borderAlpha");
>
> super.updateDisplayList(unscaledWidth, unscaledHeight);
> }
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