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Posted to issues@flex.apache.org by "Marcus Wilkinson (JIRA)" <ji...@apache.org> on 2014/08/06 16:19:12 UTC
[jira] [Commented] (FLEX-34455) Cannot change the headerRenderer on
a spark GridColumn
[ https://issues.apache.org/jira/browse/FLEX-34455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14087705#comment-14087705 ]
Marcus Wilkinson commented on FLEX-34455:
-----------------------------------------
For those who are interested I have introduced a workaround in my custom subclass of MyGridColumn.set headerRenderer
{code}
public function set headerRenderer(value:IFactory):void
{
if (_headerRenderer == value)
return;
_headerRenderer = value;
invalidateGrid();
if (grid)
grid.clearGridLayoutCache(true);
//custom hack follows:
if (grid) {
var headerGroup:GridColumnHeaderGroup = GridColumnHeaderGroup(grid.dataGrid.columnHeaderGroup);
var view:Group;
//adapted from GridColumnHeaderGroup.getColumnHeaderViewAtIndex
const ghl:GridHeaderLayout = headerGroup.layout as GridHeaderLayout;
if (ghl.leftGridColumnHeaderView && (columnIndex < grid.dataGrid.lockedColumnCount)) {
view = ghl.leftGridColumnHeaderView;
} else {
view = ghl.centerGridColumnHeaderView;
}
//end of adaption
GridHeaderViewLayout(view.layout).clearVirtualLayoutCache();
}
}
{code}
> Cannot change the headerRenderer on a spark GridColumn
> ------------------------------------------------------
>
> Key: FLEX-34455
> URL: https://issues.apache.org/jira/browse/FLEX-34455
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: DataGrid, Spark: Grid
> Affects Versions: Apache Flex 4.12.1
> Reporter: Marcus Wilkinson
> Attachments: _HeaderRenderer.fxp
>
>
> Re-assigning the headerRenderer property at runtime has no effect. This is the case for both GridColumn.headerRenderer and GridColumnHeaderGroup.headerRenderer
> Please open and run the attached example
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