[TYPO3-project-formidable] Validation against other input

[Jerome Schneider]

Hi Uwe,

You might want to try the so-called 'userobj' validator

Luc Muller once wrote a snippet presenting it here, at the bottom of the 
page: http://formidable.typo3.ug/pastebin/snippet/28.html

Regards,
Jerome
Uwe Grohne a écrit :
> Hi,
> 
> I want to validate in the seminars extension, that the number of seats 
> selected in the registration form is equal to the count of lines in the 
> textarea for the attendees, so that I know, that the registering person 
> entered as many persons as seats were reserved. I didn't find any hint 
> on how to do this, cause I think, I will have to combine a custom PHP 
> validator with another value. Any ideas on this?
> 
> This is the original part of the file:
> 
>  <renderlet:LISTBOX name="seats">
>   <data>
>    <items>
>     <item value="1" caption="1" />
>     <item value="2" caption="2" />
>     <item value="3" caption="3" />
>     <item value="4" caption="4" />
>     <item value="5" caption="5" />
>    </items>
>    <defaultvalue>1</defaultvalue>
>   </data>
>   <validators>
>    <validator:PREG>
>     <pattern>
>      <value>/^[\d]*$/</value>
>      
> <message>LLL:EXT:seminars/pi1/locallang.xml:message_noSeatsNumber</message>
>     </pattern>
>    </validator:PREG>
>    <validator:STANDARD>
>     <userobj>
>      <extension>this</extension>
>      <method>canRegisterSeats</method>
>      
> <message>LLL:EXT:seminars/pi1/locallang.xml:message_invalidNumberOfSeats</message> 
> 
>     </userobj>
>    </validator:STANDARD>
>   </validators>
>   <process>
>    <userobj>
>     <extension>this</extension>
>     <method>hasRegistrationFormField</method>
>     <params>
>      <data name="elementname" value="seats" />
>     </params>
>    </userobj>
>   </process>
>  </renderlet:LISTBOX>
> 
>  <renderlet:TEXTAREA name="attendees_names">
>   <validators>
>    <validator:STANDARD>
>     <userobj>
>      <extension>this</extension>
>      <method>hasAttendeesNames</method>
>      
> <message>LLL:EXT:seminars/pi1/locallang.xml:message_provideAttendeesNames</message> 
> 
>     </userobj>
>    </validator:STANDARD>
>   </validators>
>   <process>
>    <userobj>
>     <extension>this</extension>
>     <method>hasRegistrationFormField</method>
>     <params>
>      <data name="elementname" value="attendees_names" />
>     </params>
>    </userobj>
>   </process>
>  </renderlet:TEXTAREA>
> 
> Thanks in advance!