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https://issues.apache.org/jira/browse/WICKET-214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12468927
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Igor Vaynberg commented on WICKET-214:
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there is really no good way to do this that will work across the board. if we
do it for ajax then people will want it for other things as well
one compromise i can think of is to do this: iterate over behaviors that
implement the invoked listener interface and call equals on them - if they are
equal then invoke the listener on them as well
is this a good compromise?
> Call all behaviors attached to the same event
> ---------------------------------------------
>
> Key: WICKET-214
> URL: https://issues.apache.org/jira/browse/WICKET-214
> Project: Wicket
> Issue Type: Improvement
> Components: wicket
> Affects Versions: 1.2.4, 1.3, 2.0
> Reporter: Erik van Oosten
> Assigned To: Igor Vaynberg
>
> If one adds 2 AjaxFormComponentUpdatingBehaviors with event "onchange" to the
> same form component, only the behavior that was added last will actually be
> called. Please make it so that both are called.
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