[jira] Updated: (WICKET-1894) AjaxFallbackButton: inconsistent submit order

["Jacob DuBray (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-1894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacob DuBray updated WICKET-1894:
---------------------------------

    Attachment: Quickstart.zip

I mentioned the observation of this issue in 1.4.7 as noted in http://apache-wicket.1842946.n4.nabble.com/AjaxFallbackButton-onSubmit-call-order-td2067805.html#a2067805 

I recently checked back to see if a newer release contained  a solution and noticed it was closed without a fix version. It directly affects usage of deferred validation in a form's onSubmit method when an updated model object is required for further validation. I could get into more detail with my particular need for this usage, but that's not necessary to illustrate the problem.

I've attached a quick start illustrating the problem in 1.4.12. Is this still an issue or has it been addressed in some other issue or change in 1.5?

Thanks

> AjaxFallbackButton: inconsistent submit order
> ---------------------------------------------
>
>                 Key: WICKET-1894
>                 URL: https://issues.apache.org/jira/browse/WICKET-1894
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 1.3.5, 1.4.7
>            Reporter: Stefan Fussenegger
>            Assignee: Igor Vaynberg
>            Priority: Minor
>         Attachments: Quickstart.zip
>
>
> I just stumbled upon a problem with a Form containing a nested Form and two AjaxFallbackButtons (submit and preview). I need to implement different onSubmit() behavior of the nested Form depending on the clicked button.
> The order of onSubmit() calls is:
> without JS:
> - AjaxFallbackButton.onSubmit(AjaxRequestTarget,Form)
> - OuterForm.onSubmit() // not used
> - Inner Form.onSubmit()
> with JS:
> - Inner Form.onSubmit()
> - OuterForm.onSubmit() // not used
> - AjaxFallbackButton.onSubmit(AjaxRequestTarget,Form)
> With JS, it is therefore not possible to determine which button was clicked from inside a form's onSubmit() method. 
> see also http://www.nabble.com/AjaxFallbackButton%3A-inconsistend-submit-order-td20131329.html

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