You can take a look over the Form Porcessing at
http://wickettraining.com/ten-things-every-wicket-programmer-should-know.html

I'm supprised that the free guide didn't include such an ilustration (or
maybe I missed it).
Check out also the Default Form Processing of the free Guide:
http://wicket.apache.org/guide/guide/single.html#chapter11_1



On Wed, Jan 8, 2014 at 11:32 AM, Paul Bors <p...@bors.ws> wrote:

> Well yes, that work in progress might be a mistake.
>
> Think of it as getting a lock on a db record for too long. Or worst, not
> locking at all and then later updating the record.
> You would override the state without knowing it changed since you last
> read it.
>
> So, if you devise such work in progress you should also be concerned about
> warning the user that some field's value has been changed by another
> concurrent user that saved the same form while the first user was still
> editing the page.
>
> What I'm more curious about is, how did you come up against this use-case
> in the first place?
> Why is it that your user edits a form for so long that the session times
> out and its user input is lost?
>
>
> On Wed, Jan 8, 2014 at 9:42 AM, gmparker2000 <greg.par...@brovada.com>wrote:
>
>> The idea would be to save the form data as work in progress in a separate
>> storage area.  If the user's session times out they would be directed to a
>> page telling them that their session timed out which would give them the
>> option to attempt to resume the work.
>>
>> I was able to bypass validation by setting a flag on the form.  Since we
>> use
>> a layer of composite controls on top of the standard wicket controls I was
>> able to tap into the form validation flag in each control to override
>> required fields and validations as required.
>>
>> I understand why turning off the default form processing doesn't apply
>> validations and therefore does not update models, but it would be nice to
>> have a way to override this and just update models.
>>
>> --
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>> Sent from the Users forum mailing list archive at Nabble.com.
>>
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