Fixed #3193 -- newforms: Modified as_hidden() to handle MultipleChoiceField correctly. Thanks for the report, Honza Kral

git-svn-id: http://code.djangoproject.com/svn/django/trunk@4298 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 12 insertions, 2 deletions

diff --git a/django/newforms/widgets.py b/django/newforms/widgets.py
index 996e353775..df8bb19c4f 100644
--- a/django/newforms/widgets.py
+++ b/django/newforms/widgets.py
@@ -3,8 +3,8 @@ HTML Widget classes
 """
 
 __all__ = (
-    'Widget', 'TextInput', 'PasswordInput', 'HiddenInput', 'FileInput',
-    'Textarea', 'CheckboxInput',
+    'Widget', 'TextInput', 'PasswordInput', 'HiddenInput', 'MultipleHiddenInput',
+    'FileInput', 'Textarea', 'CheckboxInput',
     'Select', 'SelectMultiple', 'RadioSelect', 'CheckboxSelectMultiple',
 )
 
@@ -87,6 +87,16 @@ class HiddenInput(Input):
     input_type = 'hidden'
     is_hidden = True
 
+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):
+        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])
+
 class FileInput(Input):
     input_type = 'file'