OpenSlides/openslides/utils/person/forms.py
Oskar Hahn 0752d476e4 Change to MIT Licence
* Remove headers
* Changed lineendings to linux style in AUTHORS and CHANGELOG
2013-11-04 14:57:30 +01:00

70 lines
2.3 KiB
Python

# -*- coding: utf-8 -*-
from django import forms
from openslides.utils.person.api import get_person, Persons
class PersonChoices(object):
def __init__(self, field):
self.field = field
def __iter__(self):
if self.field.empty_label is not None:
yield (u'', self.field.empty_label)
for person in sorted(Persons(), key=lambda person: person.sort_name):
yield (person.person_id, person)
class PersonFormField(forms.fields.ChoiceField):
def __init__(self, required=True, initial=None, empty_label=u"---------",
*args, **kwargs):
if required and (initial is not None):
self.empty_label = None
else:
self.empty_label = empty_label
forms.fields.Field.__init__(self, required=required, initial=initial,
*args, **kwargs)
self.widget.choices = self.choices
def __deepcopy__(self, memo):
result = super(forms.fields.ChoiceField, self).__deepcopy__(memo)
return result
def _get_choices(self):
# If self._choices is set, then somebody must have manually set
# the property self.choices. In this case, just return self._choices.
if hasattr(self, '_choices'):
return self._choices
return PersonChoices(self)
choices = property(_get_choices, forms.fields.ChoiceField._set_choices)
def to_python(self, value):
if value == u'':
return u''
return get_person(value)
def valid_value(self, value):
return super(PersonFormField, self).valid_value(value.person_id)
class MultiplePersonFormField(PersonFormField):
widget = forms.widgets.SelectMultiple
def __init__(self, *args, **kwargs):
super(MultiplePersonFormField, self).__init__(
empty_label=None, *args, **kwargs)
def to_python(self, value):
if hasattr(value, '__iter__'):
return [super(MultiplePersonFormField, self).to_python(v)
for v in value]
return super(MultiplePersonFormField, self).to_python(value)
def valid_value(self, value):
if hasattr(value, '__iter__'):
return [super(MultiplePersonFormField, self).valid_value(v)
for v in value]
return super(MultiplePersonFormField, self).valid_value(value)