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

1 files changed, 11 insertions, 1 deletions

diff --git a/django/newforms/widgets.py b/django/newforms/widgets.py
index 4e4fc0c80b..4bbd02dc63 100644
--- a/django/newforms/widgets.py
+++ b/django/newforms/widgets.py
@@ -92,11 +92,21 @@ class MultipleHiddenInput(HiddenInput):
     A widget that handles <input type="hidden"> for fields that have a list
     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 = []
         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])
 
+    def value_from_datadict(self, data, name):
+        if isinstance(data, MultiValueDict):
+            return data.getlist(name)
+        return data.get(name, None)
+
 class FileInput(Input):
     input_type = 'file'