78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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openslides.utils.person.forms
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Forms and FormFields for the OpenSlides person 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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from django import forms
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from openslides.utils.person.api import Persons, get_person
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class PersonChoices(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 person in sorted(Persons(), key=lambda person: person.sort_name):
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yield (person.person_id, person)
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class PersonFormField(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 PersonChoices(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_person(value)
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def valid_value(self, value):
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return super(PersonFormField, self).valid_value(value.person_id)
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class MultiplePersonFormField(PersonFormField):
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widget = forms.widgets.SelectMultiple
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def __init__(self, *args, **kwargs):
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super(MultiplePersonFormField, self).__init__(
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empty_label=None, *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(MultiplePersonFormField, self).to_python(v)
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for v in value]
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return super(MultiplePersonFormField, 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(MultiplePersonFormField, self).valid_value(v)
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for v in value]
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return super(MultiplePersonFormField, self).valid_value(value)
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