Re: Invariant between behaviors? (DX/z3cform)

(hope I understand the question right)


Could you enable the field for an interface and let this interface be added when B is set ?

actually, you could put them both in the same behavior (if you want to), but register the fields for different interfaces 

I found some code in collective.plonetruegallery or easyslider that I have used here:
https://github.com/collective/medialog.galleryviewlet/blob/master/medialog/galleryviewlet/interfaces.py

Which is enabled here:
https://github.com/collective/medialog.galleryviewlet/blob/master/medialog/galleryviewlet/browser/configure.zcml#L42

so: when FieldA is set, you need to call (for exaple) a browserview that enables the interface

—————

Another option could be to do this with javascipt
(I should have some working code for that somewhere)

I did  something similar this way:
When the content is added, field B is set to «unset» (or some other dummy text) and hidden with javascript
When field A is set, a javascript  shows fields B, and sets its content to ‘’(empty) ….. (so it is basically requred all the time, but it has a «dummy» value before field A is set.

Espen

15. sep. 2014 kl. 12:54 skrev Jens W. klein-2 [via Plone] <ml-node+s293351n7572477h40-PKuAHvtXa09l57MIdRCFDg@public.gmane.org>:

> z3cform/ dexterity question: 
> 
> I have a custom behavior "A" with a field "myfield". 
> 
> Now I want an invariant validation to have this field required only if 
> 'otherfield' on an other behaviour "B" was set. 
> 
> In my invariants 'data' on A does not contain 'otherfield' (only myfield). 
> 
> How can i access the values from B in my invariant on A? 
> 
> regards Jens 
> -- 
> Klein & Partner KG, member of BlueDynamics Alliance 
> 
> 
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