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Code Issues 32 Releases Wiki Activity

newforms: Implemented NullBooleanField and NullBooleanSelect

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@4411 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty
2007-01-24 05:23:19 +00:00
parent 85fe107996
commit 788f8f7454
3 changed files with 132 additions and 3 deletions
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14
django/newforms/fields.py
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@@ -4,7 +4,7 @@ Field classes
from django.utils.translation import gettext
from util import ErrorList, ValidationError, smart_unicode
from widgets import TextInput, PasswordInput, HiddenInput, MultipleHiddenInput, CheckboxInput, Select, SelectMultiple
from widgets import TextInput, PasswordInput, HiddenInput, MultipleHiddenInput, CheckboxInput, Select, NullBooleanSelect, SelectMultiple
import datetime
import re
import time
@@ -15,7 +15,7 @@ __all__ = (
'DEFAULT_TIME_INPUT_FORMATS', 'TimeField',
'DEFAULT_DATETIME_INPUT_FORMATS', 'DateTimeField',
'RegexField', 'EmailField', 'URLField', 'BooleanField',
'ChoiceField', 'MultipleChoiceField',
'ChoiceField', 'NullBooleanField', 'MultipleChoiceField',
'ComboField', 'MultiValueField',
'SplitDateTimeField',
)
@@ -317,6 +317,16 @@ class BooleanField(Field):
super(BooleanField, self).clean(value)
return bool(value)
class NullBooleanField(BooleanField):
"""
A field whose valid values are None, True and False. Invalid values are
cleaned to None.
"""
widget = NullBooleanSelect
def clean(self, value):
return {True: True, False: False}.get(value, None)
class ChoiceField(Field):
def __init__(self, choices=(), required=True, widget=Select, label=None, initial=None):
if isinstance(widget, type):