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https://issues.apache.org/jira/browse/FLEX-32249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mihai Chira resolved FLEX-32249.
--------------------------------
Resolution: Fixed
Fix Version/s: Apache Flex 4.15.0
> AdvancedDataGrid.makeListData() incorrectly references
> HierarchicalCollectionViewCursor class instead of
> IHierarchicalCollectionViewCursor interface
> ----------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: FLEX-32249
> URL: https://issues.apache.org/jira/browse/FLEX-32249
> Project: Apache Flex
> Issue Type: Bug
> Components: Advanced Data Grid
> Affects Versions: Adobe Flex SDK Previous
> Environment: Affected OS(s): All OS Platforms
> Affected OS(s): All OS Platforms
> Language Found: English
> Reporter: Adobe JIRA
> Assignee: Mihai Chira
> Priority: Minor
> Fix For: Apache Flex 4.15.0, Adobe Flex SDK Previous
>
>
> The AdvancedDataGrid.makeListData() function incorrectly checks "iterator"
> against the HierarchicalCollectionViewCursor class, when it should check
> against the IHierarchicalCollectionViewCursor interface instead. This means
> that custom cursors that "extend" HierarchicalCollectionViewCursor will be
> recognized correctly as being hierarchical, but custom cursors that directly
> "implement" the IHierarchicalCollectionViewCursor interface instead will not.
> The solution is clear: change all references to
> HierarchicalCollectionViewCursor in AdvancedDataGrid.makeListData() to
> IHierarchicalCollectionViewCursor instead. Note, this bug was also present
> in the AdvancedDataGrid.getItemDepth() / getCurrentCursorDepth() function
> chain back in build 184505, but that has since been fixed... this bug should
> probably have been fixed at the same time :)
> Workaround:
> Subclass the AdvancedDataGrid, adding the following override:
> override protected function makeListData(data:Object, uid:String,
> rowNum:int, columnNum:int, column:AdvancedDataGridColumn):BaseListData {
> var advancedDataGridListData:AdvancedDataGridListData =
> super.makeListData(data,uid,rowNum,columnNum,column) as
> AdvancedDataGridListData;
> if (iterator && iterator is IHierarchicalCollectionViewCursor &&
> !(iterator is HierarchicalCollectionViewCursor)
> && columnNum == treeColumnIndex && !(data is
> AdvancedDataGridColumn))
> initListData(data, advancedDataGridListData);
> return advancedDataGridListData;
> }
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