74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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openslides.utils.user.forms
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Forms and FormFields for the OpenSlides user api
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:copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
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:license: GNU GPL, see LICENSE for more details.
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"""
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class UserChoices(object):
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def __init__(self, field):
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self.field = field
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def __iter__(self):
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if self.field.empty_label is not None:
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yield (u"", self.field.empty_label)
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for user in Users():
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yield (user.uid, user)
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class UserFormField(forms.fields.ChoiceField):
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def __init__(self, required=True, initial=None, empty_label=u"---------",
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*args, **kwargs):
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if required and (initial is not None):
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self.empty_label = None
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else:
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self.empty_label = empty_label
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forms.fields.Field.__init__(self, required=required, initial=initial,
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*args, **kwargs)
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self.widget.choices = self.choices
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def __deepcopy__(self, memo):
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result = super(forms.fields.ChoiceField, self).__deepcopy__(memo)
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return result
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def _get_choices(self):
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# If self._choices is set, then somebody must have manually set
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# the property self.choices. In this case, just return self._choices.
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if hasattr(self, '_choices'):
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return self._choices
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return UserChoices(self)
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choices = property(_get_choices, forms.fields.ChoiceField._set_choices)
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def to_python(self, value):
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return get_user(value)
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def valid_value(self, value):
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return super(UserFormField, self).valid_value(value.uid)
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class MultipleUserFormField(UserFormField):
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widget = forms.widgets.SelectMultiple
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def __init__(self, *args, **kwargs):
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super(MultipleUserFormField, self).__init__(empty_label=None,
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*args, **kwargs)
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def to_python(self, value):
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if hasattr(value, '__iter__'):
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return [super(MultipleUserFormField, self).to_python(v)
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for v in value]
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return super(MultipleUserFormField, self).to_python(value)
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def valid_value(self, value):
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if hasattr(value, '__iter__'):
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return [super(MultipleUserFormField, self).valid_value(v)
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for v in value]
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return super(MultipleUserFormField, self).valid_value(value)
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