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Fixed #3289 -- newforms: Added value_from_datadict method to MultipleHiddenInput 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@4311 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2007-01-13 04:51:57 +00:00
parent 663ef14f02
commit a0137c41f3
2 changed files with 21 additions and 2 deletions
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12
django/newforms/widgets.py
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@ -92,11 +92,21 @@ class MultipleHiddenInput(HiddenInput):
A widget that handles <input type="hidden"> for fields that have a list A widget that handles <input type="hidden"> for fields that have a list
of values. of values.
""" """
def render(self, name, value, attrs=None): def __init__(self, attrs=None, choices=()):
# choices can be any iterable
self.attrs = attrs or {}
self.choices = choices
def render(self, name, value, attrs=None, choices=()):
if value is None: value = [] if value is None: value = []
final_attrs = self.build_attrs(attrs, type=self.input_type, name=name) final_attrs = self.build_attrs(attrs, type=self.input_type, name=name)
return u'\n'.join([(u'<input%s />' % flatatt(dict(value=smart_unicode(v), **final_attrs))) for v in value]) return u'\n'.join([(u'<input%s />' % flatatt(dict(value=smart_unicode(v), **final_attrs))) for v in value])
def value_from_datadict(self, data, name):
if isinstance(data, MultiValueDict):
return data.getlist(name)
return data.get(name, None)
class FileInput(Input): class FileInput(Input):
input_type = 'file' input_type = 'file'

11
tests/regressiontests/forms/tests.py
View File

@ -1950,11 +1950,20 @@ conveniently work with this.
>>> f.errors >>> f.errors
{} {}
>>> from django.utils.datastructures import MultiValueDict >>> from django.utils.datastructures import MultiValueDict
>>> data = MultiValueDict(dict(name='Yesterday', composers=['J', 'P'])) >>> data = MultiValueDict(dict(name=['Yesterday'], composers=['J', 'P']))
>>> f = SongForm(data) >>> f = SongForm(data)
>>> f.errors >>> f.errors
{} {}
The MultipleHiddenInput widget renders multiple values as hidden fields.
>>> class SongFormHidden(Form):
... name = CharField()
... composers = MultipleChoiceField(choices=[('J', 'John Lennon'), ('P', 'Paul McCartney')], widget=MultipleHiddenInput)
>>> f = SongFormHidden(MultiValueDict(dict(name=['Yesterday'], composers=['J', 'P'])), auto_id=False)
>>> print f.as_ul()
<li>Name: <input type="text" name="name" value="Yesterday" /><input type="hidden" name="composers" value="J" />
<input type="hidden" name="composers" value="P" /></li>
When using CheckboxSelectMultiple, the framework expects a list of input and When using CheckboxSelectMultiple, the framework expects a list of input and
returns a list of input. returns a list of input.
>>> f = SongForm({'name': 'Yesterday'}, auto_id=False) >>> f = SongForm({'name': 'Yesterday'}, auto_id=False)