Use different forms for adding, changing, listing a model

Hm... I asked a question similar to this, but no one responded :(

But I think I over complicated the problem. Maybe I'll try simpler way.

Suppose I have two models:

1) default Django user model

2) a simple custom model like this:

class RegistrationQueue(models.Model):

    user = models.ForeignKey(User)

    token = models.CharField(max_length=40)

    status = models.CharField(max_length=10)

so in the admn.py I have:

RegistrationAddForm(models.ModelForm):

    class Meta:

        model = User

RegistrationListForm(models.ModelForm):

    class Meta:

        model = RegistrationQueue

what I would like to do is to use RegistrationAddForm when adding another RegistrationQueue record, but use RegistrationListForm to list them. To do this, I've tried something like this:

class RegistrationQueueAdmin(admin.ModelAdmin):

    add_form = RegistrationAddForm

    view_form = RegistrationViewForm

    def get_form(self, request, obj=None, **kwargs):

        defaults = {}

        if obj is None:

            defaults.update({

                'form': self.add_form,

            })

        else:

            defaults.update({

                'form': self.view_form

            })

        defaults.update(kwargs)

        return super(RegistrationQueueAdmin, self).get_form(request, obj, **defaults)

admin.site.register(RegistrationQueue, RegistrationQueueAdmin)

I hoped this would alternate between add_form and view_form when adding, viewing, respectively. But it only wants to use RegistrationViewForm. It never displays RegistrationAddForm.

Should I be subclassing add_view, change_view, etc. methods instead of get_form?

Please Please help me. Thank you!

Eiji

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