Simon Thank you. Yes I had thought that if/else was a last resort possibility. However, one of the nice features I wanted to retain is "Save as" to let a user copy the records. By the way there are many 1:1 and 1:n records connected to substance.
I haven't seen flatten_fieldsets before so I'll look at that. Cheers Mike On Thursday, November 27, 2014 12:08:50 AM UTC+11, Simon Charette wrote: > > In order to make a model admin read only I suggest you make sure ` > get_readonly_fields() > <https://docs.djangoproject.com/en/1.7/ref/contrib/admin/#django.contrib.admin.ModelAdmin.get_readonly_fields>` > > return all of them. > > > from django.contrib.admin.utils import flatten_fieldsets > > def get_readonly_fields(request, obj=None): > # Put your business logic here to determine whether or not > # the whole model should be read-only based on request.user > # and obj. > return flatten_fieldsets(self.get_fieldsets(request, obj)) > > > Simon > > Le mardi 25 novembre 2014 22:20:33 UTC-5, Mike Dewhirst a écrit : >> >> On 26/11/2014 11:59 AM, Mike Dewhirst wrote: >> > From the docs ... >> > >> > >> https://docs.djangoproject.com/en/1.6/ref/contrib/admin/#django.contrib.admin.ModelAdmin.has_change_permission >> >> > >> > ... is working nicely except it just pops up a standard error page >> > 403 Forbidden when it returns False. >> >> >> Actually, I must have changed my code and refreshed an already rendered >> form when I thought it was working. Just clicking on the wrong model in >> the admin list pops up a 403 Forbidden page. It looks like >> ModelAdmin.has_change_permission() must return True to render the change >> form. >> >> Maybe someone can tell me how to make a model read-only for certain >> users based on their relationship with the model? >> >> To elaborate somewhat, a company owns a substance displayed on a page in >> the admin and any user should be able to see it but only users who are >> members of the same company may change or delete it. >> >> Thanks >> >> > >> > How can I intercept this in the Admin and treat it like an error >> > displayed like all the other validation errors generated from the >> > model.clean() method??? >> > >> > I'd like to raise a business rule violation exception on saving the >> > model. >> > >> > Thanks for any hints >> > >> > Mike >> > >> >> -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To post to this group, send email to django-users@googlegroups.com. Visit this group at http://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/779b8d85-e0c5-477c-a3ca-dcf18c814938%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
