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https://issues.apache.org/jira/browse/WICKET-3718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13153813#comment-13153813
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Carl-Eric Menzel commented on WICKET-3718:
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To update my previous opinion: With 1.5 being out for a while now, my project
is probably going to upgrade soon-ish. We've lived with our own implementation
so far and until we upgrade we can keep doing so.
Since 1.4 is almost EOL now, I think this issue can be closed even without the
patch in 1.4.
> Introduce select-all components for all types of checkbox
> ---------------------------------------------------------
>
> Key: WICKET-3718
> URL: https://issues.apache.org/jira/browse/WICKET-3718
> Project: Wicket
> Issue Type: Improvement
> Components: wicket
> Affects Versions: 1.4.18, 1.5-RC5
> Reporter: Carl-Eric Menzel
> Attachments:
> 0001-Introduce-a-comprehensive-set-of-select-all-componen.patch,
> checkselector-quickstart.tar.gz
>
>
> So far, Wicket only has CheckGroupSelector as a select-all component. It has
> two main drawbacks:
> - it only works with CheckGroup components, not with CheckboxMultipleChoice
> or multiple CheckBox components.
> - it has no "auto update" feature that updates the state of the select-all
> when any of the associated checkboxes is checked or unchecked.
> This patch introduces two new components:
> - CheckboxMultipleChoiceSelector: This does for CheckboxMultipleChoice what
> CheckGroupSelector does for CheckGroup.
> - CheckBoxSelector: A select-all component for a collection of CheckBox
> instances.
> Both are based on a new abstract superclass called AbstractCheckSelector that
> does the heavy lifting. The subclasses only provide a JS function that finds
> the associated checkboxes. The superclass manages both the select-all and the
> auto-update mentioned above. The auto update feature is turned on by default,
> since it seems to be the most sensible behavior.
> The patch also pretty much rewrites the original CheckGroupSelector to also
> use the new AbstractCheckSelector. In CheckGroupSelector the auto-update
> feature is disabled by default to keep the behavior the same as in previous
> versions. It can be enabled by overriding wantAutomaticUpdate() to return
> true. This default should probably be changed in Wicket 1.5 or 1.6.
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