[TYPO3-mvc] Creating a dynamic back-button for error page

[Frank Mey - NEW.EGO]

Thx claus,

another possible solution would be to let the properties be empty, but if
something is 
entered it should be validated to the given format. Is that possible ? Like
if I validate 
a model property to EmailAddress, Extbase wont let me save this field with
an empty value right ?

> -----Original Message-----
> From: typo3-project-typo3v4mvc-bounces at lists.typo3.org [mailto:typo3-
> project-typo3v4mvc-bounces at lists.typo3.org] On Behalf Of Claus Due
> Sent: Wednesday, August 10, 2011 11:19 AM
> To: TYPO3 v4 MVC project
> Subject: Re: [TYPO3-mvc] Creating a dynamic back-button for error page
> 
> Hi Frank,
> 
> > I got a "simple" task: Validate a model property depending on the value
of
> another property :).
> >
> > This is: Property 1 has to be required, if property 2 is empty and vice
versa.
> >
> > My plan is to write a custom validator class but I would like to ask
> > you as experts what would be the best point to do this ? Write a model
> validator or validate it in the controller ?
> 
> If I remember correctly, a while back Franz Koch (?) solved this by
> implementing a custom Validator to validate entire model objects, then ran
> that validator from the Controller and manually processed the errors
> returned.
> 
> Cheers,
> Claus
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