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https://issues.apache.org/jira/browse/FLEX-33248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13559820#comment-13559820
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Maxime Cowez commented on FLEX-33248:
-------------------------------------
I have updated my original test application to include a 'filterFunction' on
the 'dataProvider'.
See
https://github.com/RIAstar/ApacheFlexPatchDemo/blob/master/src/main/actionscript/net/riastar/patchfx/GridItemEditorDemo.mxml
And here's the diff:
https://github.com/RIAstar/ApacheFlexPatchDemo/commit/5e73779aefa98f2af46ab06e3dff6af80d6d9a4a
When you compile this with Flex 4.9.0 and you edit the 'company.name' field,
you'll get a Type Coercion error telling you that a Company can't be cast to an
Employee.
> Spark GridItemEditor cannot edit nested properties
> --------------------------------------------------
>
> Key: FLEX-33248
> URL: https://issues.apache.org/jira/browse/FLEX-33248
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: DataGrid
> Affects Versions: Apache Flex 4.8 (parity release)
> Reporter: Maxime Cowez
> Assignee: Carol Frampton
> Priority: Minor
> Fix For: Apache Flex Next
>
> Attachments: Company.as, Employee.as, FLEX33248.mxml,
> GridItemEditor.as
>
>
> To reproduce:
> <s:DataGrid editable="true">
> <s:columns>
> <s:ArrayList>
> <s:GridColumn dataField="someProperty.nestedProperty" />
> </s:ArrayList>
> </s:columns>
> </s:DataGrid>
> This will throw a "no such property" error when the user tries to edit a
> cell, because GridItemEditor tries to access `_data[column.dataField]` in the
> `data` setter.
> I filed it as a bug and not as an improvement, because it is inconsistent
> with `GridItemRenderer`'s behaviour, which does render the nested property
> correctly.
> Note that the `save()` method is also affected: the item's property is
> accessed in the same way there.
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