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Added the ability to customize the prefix value on an inline formset. Fixes #7899. AThanks for the tip Peter of the Norse. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@8060 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Brian Rosner 2008-07-23 04:46:31 +00:00
parent 681e7bbd25
commit 3912403550
2 changed files with 12 additions and 2 deletions
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5
django/forms/models.py
View File

@ -401,13 +401,14 @@ def modelformset_factory(model, form=ModelForm, formfield_callback=lambda f: f.f
class BaseInlineFormset(BaseModelFormSet): class BaseInlineFormset(BaseModelFormSet):
"""A formset for child objects related to a parent.""" """A formset for child objects related to a parent."""
def __init__(self, data=None, files=None, instance=None, save_as_new=False): def __init__(self, data=None, files=None, instance=None,
save_as_new=False, prefix=None):
from django.db.models.fields.related import RelatedObject from django.db.models.fields.related import RelatedObject
self.instance = instance self.instance = instance
self.save_as_new = save_as_new self.save_as_new = save_as_new
# is there a better way to get the object descriptor? # is there a better way to get the object descriptor?
self.rel_name = RelatedObject(self.fk.rel.to, self.model, self.fk).get_accessor_name() self.rel_name = RelatedObject(self.fk.rel.to, self.model, self.fk).get_accessor_name()
super(BaseInlineFormset, self).__init__(data, files, prefix=self.rel_name) super(BaseInlineFormset, self).__init__(data, files, prefix=prefix or self.rel_name)
def _construct_forms(self): def _construct_forms(self):
if self.save_as_new: if self.save_as_new:

9
tests/modeltests/model_formsets/models.py
View File

@ -313,4 +313,13 @@ True
>>> [book for book in formset.save() if book.author.pk == new_author.pk] >>> [book for book in formset.save() if book.author.pk == new_author.pk]
[<Book: Les Fleurs du Mal>, <Book: Le Spleen de Paris>] [<Book: Les Fleurs du Mal>, <Book: Le Spleen de Paris>]
Test using a custom prefix on an inline formset.
>>> formset = AuthorBooksFormSet(prefix="test")
>>> for form in formset.forms:
... print form.as_p()
<p><label for="id_test-0-title">Title:</label> <input id="id_test-0-title" type="text" name="test-0-title" maxlength="100" /><input type="hidden" name="test-0-id" id="id_test-0-id" /></p>
<p><label for="id_test-1-title">Title:</label> <input id="id_test-1-title" type="text" name="test-1-title" maxlength="100" /><input type="hidden" name="test-1-id" id="id_test-1-id" /></p>
"""} """}