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Fixes #8103 -- Select widget should only allow for one selected option

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@16848 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Chris Beaven 2011-09-18 04:09:44 +00:00
parent 1ec25c4fb7
commit e63fa0ff83
2 changed files with 30 additions and 3 deletions
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14
django/forms/widgets.py
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@ -499,6 +499,8 @@ class CheckboxInput(Widget):
return bool(initial) != bool(data)
class Select(Widget):
allow_multiple_selected = False
def __init__(self, attrs=None, choices=()):
super(Select, self).__init__(attrs)
# choices can be any iterable, but we may need to render this widget
@ -518,14 +520,20 @@ class Select(Widget):
def render_option(self, selected_choices, option_value, option_label):
option_value = force_unicode(option_value)
selected_html = (option_value in selected_choices) and u' selected="selected"' or ''
if option_value in selected_choices:
selected_html = u' selected="selected"'
if not self.allow_multiple_selected:
# Only allow for a single selection.
selected_choices.remove(option_value)
else:
selected_html = ''
return u'<option value="%s"%s>%s</option>' % (
escape(option_value), selected_html,
conditional_escape(force_unicode(option_label)))
def render_options(self, choices, selected_choices):
# Normalize to strings.
selected_choices = set([force_unicode(v) for v in selected_choices])
selected_choices = set(force_unicode(v) for v in selected_choices)
output = []
for option_value, option_label in chain(self.choices, choices):
if isinstance(option_label, (list, tuple)):
@ -571,6 +579,8 @@ class NullBooleanSelect(Select):
return initial != data
class SelectMultiple(Select):
allow_multiple_selected = True
def render(self, name, value, attrs=None, choices=()):
if value is None: value = []
final_attrs = self.build_attrs(attrs, name=name)