from django.db import models from django.contrib import admin from django.contrib.contenttypes import generic from django.contrib.contenttypes.models import ContentType class Episode(models.Model): name = models.CharField(max_length=100) class Media(models.Model): """ Media that can associated to any object. """ content_type = models.ForeignKey(ContentType) object_id = models.PositiveIntegerField() content_object = generic.GenericForeignKey() url = models.URLField(verify_exists=False) def __unicode__(self): return self.url class MediaInline(generic.GenericTabularInline): model = Media class EpisodeAdmin(admin.ModelAdmin): inlines = [ MediaInline, ] admin.site.register(Episode, EpisodeAdmin) # # These models let us test the different GenericInline settings at # different urls in the admin site. # # # Generic inline with extra = 0 # class EpisodeExtra(Episode): pass class MediaExtraInline(generic.GenericTabularInline): model = Media extra = 0 admin.site.register(EpisodeExtra, inlines=[MediaExtraInline]) # # Generic inline with extra and max_num # class EpisodeMaxNum(Episode): pass class MediaMaxNumInline(generic.GenericTabularInline): model = Media extra = 5 max_num = 2 admin.site.register(EpisodeMaxNum, inlines=[MediaMaxNumInline]) # # Generic inline with exclude # class EpisodeExclude(Episode): pass class MediaExcludeInline(generic.GenericTabularInline): model = Media exclude = ['url'] admin.site.register(EpisodeExclude, inlines=[MediaExcludeInline]) # # Generic inline with unique_together # class Category(models.Model): name = models.CharField(max_length=50) class PhoneNumber(models.Model): content_type = models.ForeignKey(ContentType) object_id = models.PositiveIntegerField() content_object = generic.GenericForeignKey('content_type', 'object_id') phone_number = models.CharField(max_length=30) category = models.ForeignKey(Category, null=True, blank=True) class Meta: unique_together = (('content_type', 'object_id', 'phone_number',),) class Contact(models.Model): name = models.CharField(max_length=50) phone_numbers = generic.GenericRelation(PhoneNumber) class PhoneNumberInline(generic.GenericTabularInline): model = PhoneNumber admin.site.register(Contact, inlines=[PhoneNumberInline]) admin.site.register(Category) # # Generic inline with can_delete=False # class EpisodePermanent(Episode): pass class MediaPermanentInline(generic.GenericTabularInline): model = Media can_delete = False admin.site.register(EpisodePermanent, inlines=[MediaPermanentInline])