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https://issues.apache.org/jira/browse/WICKET-2486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12758714#action_12758714
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Igor Vaynberg commented on WICKET-2486:
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patches are welcome...
> DynamicWizardStep has isNextAvailable etc, but lacks isFinishAvailable
> ----------------------------------------------------------------------
>
> Key: WICKET-2486
> URL: https://issues.apache.org/jira/browse/WICKET-2486
> Project: Wicket
> Issue Type: Bug
> Components: wicket-extensions
> Affects Versions: 1.4-RC2
> Reporter: Maarten Billemont
>
> My final step only completes when an outside process finishes. An AJAX timer
> behavior checks this process every so often and manually invokes finish() on
> the wizardModel. Problem is that while it is possible to disable most wizard
> buttons, for some reason, the finish button cannot be. To make matters worse,
> I can't even override FinishButton and change its isEnabled myself because
> the API thought it was a good idea to make isEnabled final on that level.
> I recommend two things:
> - Get rid of the pointless use of final, it only cripples the API. It's not
> like it's such a dangerous thing in this case to allow overriding isEnabled
> of FinishButton.
> - Add isFinishAvailable to DynamicWizardStep to bring it in line with the
> other buttons. There's no particular reason for this method to not exist.
> Also the cancel button should probably be disablable.
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