Fixed #12475 -- Fixed an edge case with hidden fields in ModelAdmin changelists when used in conjunction with list_display_links or list_editable. Thanks, Simon Meers, Julien Phalip, Karen and master.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@15722 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/admin/templatetags/admin_list.py

@@ -188,7 +188,9 @@ def items_for_result(cl, result, form):
             # By default the fields come from ModelAdmin.list_editable, but if we pull
             # the fields out of the form instead of list_editable custom admins
             # can provide fields on a per request basis
-            if form and field_name in form.fields:
+            if (form and field_name in form.fields and not (
+                    field_name == cl.model._meta.pk.name and
+                        form[cl.model._meta.pk.name].is_hidden)):
                 bf = form[field_name]
                 result_repr = mark_safe(force_unicode(bf.errors) + force_unicode(bf))
             else:

tests/regressiontests/admin_views/models.py

@@ -735,6 +735,28 @@ class CoverLetterAdmin(admin.ModelAdmin):
         #return super(CoverLetterAdmin, self).queryset(request).only('author')
         return super(CoverLetterAdmin, self).queryset(request).defer('date')
 
+class Story(models.Model):
+    title = models.CharField(max_length=100)
+    content = models.TextField()
+
+class StoryForm(forms.ModelForm):
+    class Meta:
+        widgets = {'title': forms.HiddenInput}
+
+class StoryAdmin(admin.ModelAdmin):
+    list_display = ('id', 'title', 'content')
+    list_display_links = ('title',) # 'id' not in list_display_links
+    list_editable = ('content', )
+    form = StoryForm
+
+class OtherStory(models.Model):
+    title = models.CharField(max_length=100)
+    content = models.TextField()
+
+class OtherStoryAdmin(admin.ModelAdmin):
+    list_display = ('id', 'title', 'content')
+    list_display_links = ('title', 'id') # 'id' in list_display_links
+    list_editable = ('content', )
 
 admin.site.register(Article, ArticleAdmin)
 admin.site.register(CustomArticle, CustomArticleAdmin)
@@ -776,6 +798,8 @@ admin.site.register(FoodDelivery, FoodDeliveryAdmin)
 admin.site.register(RowLevelChangePermissionModel, RowLevelChangePermissionModelAdmin)
 admin.site.register(Paper, PaperAdmin)
 admin.site.register(CoverLetter, CoverLetterAdmin)
+admin.site.register(Story, StoryAdmin)
+admin.site.register(OtherStory, OtherStoryAdmin)
 
 # We intentionally register Promo and ChapterXtra1 but not Chapter nor ChapterXtra2.
 # That way we cover all four cases:

tests/regressiontests/admin_views/tests.py

@@ -36,7 +36,7 @@ from models import (Article, BarAccount, CustomArticle, EmptyModel,
     Language, Collector, Widget, Grommet, DooHickey, FancyDoodad, Whatsit,
     Category, Post, Plot, FunkyTag, Chapter, Book, Promo, WorkHour, Employee,
     Question, Answer, Inquisition, Actor, FoodDelivery,
-    RowLevelChangePermissionModel, Paper, CoverLetter)
+    RowLevelChangePermissionModel, Paper, CoverLetter, Story, OtherStory)
 
 
 class AdminViewBasicTest(TestCase):
@@ -1678,6 +1678,36 @@ class AdminViewListEditable(TestCase):
         response = self.client.get('/test_admin/admin/admin_views/person/?%s' % IS_POPUP_VAR)
         self.assertEqual(response.context['cl'].list_editable, ())
 
+    def test_pk_hidden_fields(self):
+        """ Ensure that hidden pk fields aren't displayed in the table body and
+            that their corresponding human-readable value is displayed instead.
+            Note that the hidden pk fields are in fact be displayed but
+            separately (not in the table), and only once.
+            Refs #12475.
+        """
+        Story.objects.create(title='The adventures of Guido', content='Once upon a time in Djangoland...')
+        Story.objects.create(title='Crouching Tiger, Hidden Python', content='The Python was sneaking into...')
+        response = self.client.get('/test_admin/admin/admin_views/story/')
+        self.assertContains(response, 'id="id_form-0-id"', 1) # Only one hidden field, in a separate place than the table.
+        self.assertContains(response, 'id="id_form-1-id"', 1)
+        self.assertContains(response, '<div class="hiddenfields">\n<input type="hidden" name="form-0-id" value="2" id="id_form-0-id" /><input type="hidden" name="form-1-id" value="1" id="id_form-1-id" />\n</div>')
+        self.assertContains(response, '<td>1</td>', 1)
+        self.assertContains(response, '<td>2</td>', 1)
+
+    def test_pk_hidden_fields_with_list_display_links(self):
+        """ Similarly as test_pk_hidden_fields, but when the hidden pk fields are
+            referenced in list_display_links.
+            Refs #12475.
+        """
+        OtherStory.objects.create(title='The adventures of Guido', content='Once upon a time in Djangoland...')
+        OtherStory.objects.create(title='Crouching Tiger, Hidden Python', content='The Python was sneaking into...')
+        response = self.client.get('/test_admin/admin/admin_views/otherstory/')
+        self.assertContains(response, 'id="id_form-0-id"', 1) # Only one hidden field, in a separate place than the table.
+        self.assertContains(response, 'id="id_form-1-id"', 1)
+        self.assertContains(response, '<div class="hiddenfields">\n<input type="hidden" name="form-0-id" value="2" id="id_form-0-id" /><input type="hidden" name="form-1-id" value="1" id="id_form-1-id" />\n</div>')
+        self.assertContains(response, '<th><a href="1/">1</a></th>', 1)
+        self.assertContains(response, '<th><a href="2/">2</a></th>', 1)
+
 
 class AdminSearchTest(TestCase):
     fixtures = ['admin-views-users', 'multiple-child-classes',