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https://issues.apache.org/jira/browse/WICKET-3785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13047140#comment-13047140
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Sven Meier commented on WICKET-3785:
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This code is an exact copy from ListMultipleChoice: It's about letting the
model know that the collection has changed, modelchanging/changed doesn't help
here.
> CheckGroup's model update should be aligned with ListMultipleChoice
> -------------------------------------------------------------------
>
> Key: WICKET-3785
> URL: https://issues.apache.org/jira/browse/WICKET-3785
> Project: Wicket
> Issue Type: Improvement
> Components: wicket-core
> Affects Versions: 1.4.17
> Reporter: Sven Meier
> Labels: collections
> Attachments: CheckGroup.diff
>
>
> Please improve CheckGroup to handle its model updates as ListMultipleChoice
> does, allowing a model to be notified of changes. See attached patch.
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