[TYPO3-dev] Custom TCA formeval

[Ingmar Schlecht]

Hi Jeff,

the custom form evaluation functions are documented in the soon to be
released revised TYPO3 Core API document.

However, you can already test the functionality with this example
extension that makes use of the Form Eval API:

http://typo3.org/fileadmin/dl/T3X_example_extraevaluations-0_4_0-z-200603260125.t3x

cheers
Ingmar

Jeff Segars schrieb:
> I recently came across a great new feature in 4.0...the ability to
> define custom evaluation functions for backend forms in both Javascript
> and PHP.  There are some details on the bugtracker at
> http://bugs.typo3.org/view.php?id=1639.
> 
> I can see how to change user submitted values using these functions but
> I'm not clear on whether its possible to generate a form validation
> errors with it.  I'd like to be able to check input with my custom
> evaluation, then display the yellow exclamation mark if I detect a
> problem with the input.
> 
> Any pointers on whether this is possible?  (Ingmar, Thomas, etc?)
> 
> Thanks,
> Jeff