Problem solved: The class _is_ overridden when i subclass my theme layer
marker interface from IDefaultPloneLayer (instead of zope.interface.Interface),
like so:
from plone.theme.interfaces import IDefaultPloneLayer
class IPloneInvitePolicy(IDefaultPloneLayer):
""" A marker interface for the theme layer """
Kees
Kees Hink wrote:
> It turns out the view class for plone.app.form's '@@register' form isn't
> overridden. I have this in my browser/configure.zcml:
> <browser:page
> name="register"
> for="Products.CMFPlone.Portal.PloneSite"
> class=".register.InviteRegistrationForm"
> permission="zope.Public"
> layer="..interfaces.IPloneInvitePolicy"
> />
> When i change name="register" to name="xregister" in browser/configure.zcml,
> the code _is_ run.
>
> How can i override the "register" view class? I googled around for it, but
> found nothing that works. One of the things i tried was registering
> "@@register" in an "overrides.zcml" file. The code is picked up Zope won't
> start if i put a syntax error in it), but that's all.
>
> Kees
>
> Kees Hink wrote:
>> I'm trying to modify Plone 4's registration form in a product. The new
>> plone.app.users layout in Plone 4 should make it possible to do this in a
>> non-intrusive way to do this. (This is a part of porting Products.PloneInvite
>> to Plone 4,
>> https://svn.plone.org/svn/collective/Products.PloneInvite/branches/plone4_RegistrationForm.
>> The previous version had an overridden join_form in the skin templates.)
>>
>> My plan is to do the following:
>> - register a new browser layer
>> - for this layer, override plone.app.users' RegistrationForm
>> - InviteRegistrationForm subclasses RegistrationForm and modifies:
>> * form_fields method:
>> o appends 'invite_code' to super class's
>> * validate_registration:
>> o first checks if 'invite_code' is valid
>> o then executes super class's validate_registration
>>
>> Q1. Is this a good approach? Any other suggestions?
>>
>> Currently the form class's form_fields method (decorated with '@property') is
>> not being modified. I have:
>>
>>> print "this is printed"
>>> @property
>>> def form_fields(self):
>>> defaultFields = super(InviteeRegistrationForm, self).form_fields
>>> print "this is not"
>>> return defaultFields
>> Code inside the class is executed (once, at startup), but code inside the
>> method is never run.
>>
>> Q2. How can i override the super class's method?
>>
>> Kees
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