newforms-admin: Fixed #6889 -- ModelForm nows supports media defined in the form.

git-svn-id: http://code.djangoproject.com/svn/django/branches/newforms-admin@7365 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/newforms/models.py

@@ -14,6 +14,7 @@ from util import ValidationError, ErrorList
 from forms import BaseForm, get_declared_fields
 from fields import Field, ChoiceField, IntegerField, EMPTY_VALUES
 from widgets import Select, SelectMultiple, HiddenInput, MultipleHiddenInput
+from widgets import media_property
 from formsets import BaseFormSet, _formset_factory, DELETION_FIELD_NAME
 
 __all__ = (
@@ -226,6 +227,8 @@ class ModelFormMetaclass(type):
                     attrs)
 
         new_class = type.__new__(cls, name, bases, attrs)
+        if 'media' not in attrs:
+            new_class.media = media_property(new_class)
         declared_fields = get_declared_fields(bases, attrs, False)
         opts = new_class._meta = ModelFormOptions(getattr(new_class, 'Meta', None))
         if opts.model:

tests/modeltests/model_forms/models.py

@@ -912,4 +912,22 @@ True
 u'...test3.png'
 >>> instance.delete()
 
+# Media on a ModelForm ########################################################
+
+# Similar to a regular Form class you can define custom media to be used on
+# the ModelForm.
+
+>>> class ModelFormWithMedia(ModelForm):
+...     class Media:
+...         js = ('/some/form/javascript',)
+...         css = {
+...             'all': ('/some/form/css',)
+...         }
+...     class Meta:
+...         model = PhoneNumber
+>>> f = ModelFormWithMedia()
+>>> print f.media
+<link href="/some/form/css" type="text/css" media="all" rel="stylesheet" />
+<script type="text/javascript" src="/some/form/javascript"></script>
+
 """}