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From "Mihai Chira (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (FLEX-32249) AdvancedDataGrid.makeListData() incorrectly references HierarchicalCollectionViewCursor class instead of IHierarchicalCollectionViewCursor interface
Date Wed, 20 May 2015 11:02:00 GMT

     [ https://issues.apache.org/jira/browse/FLEX-32249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mihai Chira reopened FLEX-32249:
--------------------------------
      Assignee: Mihai Chira  (was: Adobe JIRA)

> 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: 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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