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https://issues.apache.org/jira/browse/WICKET-1964?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Igor Vaynberg updated WICKET-1964:
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Fix Version/s: (was: 1.4-RC2)
Assignee: Igor Vaynberg
removing 1.4 fix version, we cannot break api that badly in that branch
> Add IBehavior.isVisibilityAllowed(Component) or so
> --------------------------------------------------
>
> Key: WICKET-1964
> URL: https://issues.apache.org/jira/browse/WICKET-1964
> Project: Wicket
> Issue Type: New Feature
> Components: wicket
> Reporter: Anatoly Kupriyanov
> Assignee: Igor Vaynberg
> Fix For: 1.5-M1
>
>
> A behavior should able to control component's visibility.
> Discussion
> http://www.nabble.com/make-invisible-if-model-object-is-null-tt20769823.html
> explains useful usecase
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