AW: [Zope3-Users] AW: AW: z3c.form and subforms in an AddForm?

[Roger Ineichen]

Hi Mats

> Betreff: Re: [Zope3-Users] AW: AW: z3c.form and subforms in 
> an AddForm?
> 
> 
> Roger,
> 
> Thanks again for trying to help me out.  I think I'm having 
> some registration issues that I'm not sure what to do with.  
> Using the example you posted I receive the following error:
> 
> Traceback (most recent call last):
>   Module zope.publisher.publish, line 133, in publish
>     result = publication.callObject(request, obj)
>   Module zope.app.publication.zopepublication, line 161, in callObject
>     return mapply(ob, request.getPositionalArguments(), request)
>   Module zope.publisher.publish, line 108, in mapply
>     return debug_call(obj, args)
>    - __traceback_info__: <security proxied 
> z3c.pagelet.zcml.RestaurantAddForm instance at 0x02E33F90>
>   Module zope.publisher.publish, line 114, in debug_call
>     return obj(*args)
>   Module z3c.formui.layout, line 34, in __call__
>     self.update()
>   Module metrod.restaurant.browser.restaurant, line 33, in update
>     self.address.update()
>   Module z3c.form.form, line 134, in update
>     super(Form, self).update()
>   Module z3c.form.form, line 83, in update
>     self.updateWidgets()
>   Module metrod.restaurant.browser.address, line 25, in updateWidgets
>     self.widgets.update()
>   Module z3c.form.field, line 245, in update
>     widget.update()
>   Module z3c.form.widget, line 96, in update
>     value = zope.component.getMultiAdapter(
>   Module z3c.form.datamanager, line 48, in get
>     context = self.field.interface(context)
> TypeError: ('Could not adapt', None, <InterfaceClass
> metrod.restaurant.interfaces.IAddress>)

This means there is no context in the AddressAddForm.
You missed ignoreContext=True in the setupWidgets method.

> My forms look like this:
> 
> browser/restaurant.py
> 
> class RestaurantAddForm(AddFormLayoutSupport, form.EditForm):
>     """Add form"""
>     
>     template = None
>     layout = None
>     contentName = None
>     label = u'Add Restaurant'
>     prefix = u'restaurant'
>     
>     fields = field.Fields(IRestaurant)
>     
>     def updateWidgets(self):
>         self.widgets = component.getMultiAdapter((
>             self, self.request, self.getContent()), IWidgets)
>         self.widgets.ignoreContext = True
>         self.widgets.update()
>         
>     def update(self):
>         self.address = AddressAddForm(None, self.request)
>         self.address.update()
>         super(RestaurantAddForm, self).update()
> 
> browser/address.py
> 
> class AddressAddForm(AddFormLayoutSupport, form.EditForm):
>     template = None
>     layout = None
>     contentName = None
>     label = u'Address'
>     
>     fields = field.Fields(IAddress)
>     prefix = u'address'
>     
>     def updateWidgets(self):
>         self.widgets = component.getMultiAdapter((
>             self, self.request, self.getContent()), IWidgets)
>         self.widgets.ignoreRequest = True
>         self.widgets.update()

You missed in the AddressAddForm ``self.widgets.ignoreContext = True``
And take more care about the super classes. you are suing a EditForm
as base. Same in the RestaurantAddForm.

Regards
Roger Ineichen
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