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https://issues.apache.org/jira/browse/TOBAGO-986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13208292#comment-13208292
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Helmut Swaczinna commented on TOBAGO-986:
-----------------------------------------
Since this fix sorting does not work anymore when a tc:out is embedded in a
tc:link. Example:
<tc:column
label="Label"
sortable="true">
<tc:link
<tc:out
value="#{var.property}"/>
</tc:link>
</tc:column>
Exception:
java.lang.ClassCastException: xxx cannot be cast to java.lang.Comparable
at java.util.Arrays.mergeSort(Arrays.java:1144)
at java.util.Arrays.sort(Arrays.java:1208)
at java.util.Collections.sort(Collections.java:159)
at org.apache.myfaces.tobago.component.Sorter.invoke(Sorter.java:148)
Please reopen the issue. The probem is that the tc:out will never be found by
getFirstSortableChild()
I will try to find a fix. In the meantime I'm forced to switch back to the old
code.
> Sheet can only sort UIOutput - Nothing happend with UILinkCommand and
> UIButtonCommand
> -------------------------------------------------------------------------------------
>
> Key: TOBAGO-986
> URL: https://issues.apache.org/jira/browse/TOBAGO-986
> Project: MyFaces Tobago
> Issue Type: Improvement
> Components: Core
> Affects Versions: 1.0.35
> Reporter: Sven Bunge
> Assignee: Bernd Bohmann
> Priority: Minor
> Fix For: 1.0.36, 1.5.0-beta-1, 1.5.0
>
> Attachments:
> Patch_for_TOBAGO-986__Make_UILinkCommand_and_UIButtonCommand_sortable.patch
>
>
> If a column in a sheet is filled with a tc:link (UILinkCommand) or tc:button
> (UIButtonCommand) the Sorter-class is unable to sort the sheet.
> There are several problems with the method Sorter#getFirstSortableChild(..):
> * The children of a UICommand are recursive searched for a tc:out -> the
> algorithm look into the tc:link and tc:button.
> * Only tc:out's are returned from the method
> * .. the caller method invoke(..) get only the value-binding named "value" -
> The UILinkCommand and UIButtonCommand have no value-field.
> I optimized the getFirstSortableChild(..)-Method and introduced a new method
> how returns the ValueBinding.
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