124 lines
4.4 KiB
Python
124 lines
4.4 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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openslides.motion.forms
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~~~~~~~~~~~~~~~~~~~~~~~
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Defines the DjangoForms for the motion app.
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:copyright: (c) 2011-2013 by the 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 django.utils.translation import ugettext as _, ugettext_lazy
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from openslides.utils.forms import CssClassMixin
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from openslides.utils.forms import CleanHtmlFormMixin
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from openslides.utils.person import PersonFormField, MultiplePersonFormField
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from .models import Motion, Category
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class BaseMotionForm(CleanHtmlFormMixin, CssClassMixin, forms.ModelForm):
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"""
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Base FormClass for a Motion.
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For it's own, it append the version data to the fields.
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The class can be mixed with the following mixins to add fields for the
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submitter, supporters etc.
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"""
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clean_html_fields = ('text', 'reason')
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title = forms.CharField(widget=forms.TextInput(), label=ugettext_lazy("Title"))
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"""
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Title of the motion. Will be saved in a MotionVersion object.
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"""
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text = forms.CharField(widget=forms.Textarea(), label=ugettext_lazy("Text"))
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"""
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Text of the motion. Will be saved in a MotionVersion object.
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"""
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reason = forms.CharField(
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widget=forms.Textarea(), required=False, label=ugettext_lazy("Reason"))
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"""
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Reason of the motion. will be saved in a MotionVersion object.
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"""
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class Meta:
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model = Motion
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fields = ()
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def __init__(self, *args, **kwargs):
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"""Fill the FormFields releated to the version data with initial data."""
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self.motion = kwargs.get('instance', None)
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self.initial = kwargs.setdefault('initial', {})
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if self.motion is not None:
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self.initial['title'] = self.motion.title
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self.initial['text'] = self.motion.text
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self.initial['reason'] = self.motion.reason
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super(BaseMotionForm, self).__init__(*args, **kwargs)
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class MotionSubmitterMixin(forms.ModelForm):
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"""Mixin to append the submitter field to a MotionForm."""
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submitter = MultiplePersonFormField(label=ugettext_lazy("Submitter"))
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"""Submitter of the motion. Can be one or more persons."""
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def __init__(self, *args, **kwargs):
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"""Fill in the submitter of the motion as default value."""
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if self.motion is not None:
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submitter = [submitter.person.person_id for submitter in self.motion.submitter.all()]
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self.initial['submitter'] = submitter
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super(MotionSubmitterMixin, self).__init__(*args, **kwargs)
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class MotionSupporterMixin(forms.ModelForm):
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"""Mixin to append the supporter field to a Motionform."""
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supporter = MultiplePersonFormField(required=False, label=ugettext_lazy("Supporters"))
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"""Supporter of the motion. Can be one or more persons."""
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def __init__(self, *args, **kwargs):
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"""Fill in the supporter of the motions as default value."""
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if self.motion is not None:
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supporter = [supporter.person.person_id for supporter in self.motion.supporter.all()]
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self.initial['supporter'] = supporter
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super(MotionSupporterMixin, self).__init__(*args, **kwargs)
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class MotionDisableVersioningMixin(forms.ModelForm):
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"""Mixin to add the option to the form to choose to disable versioning."""
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disable_versioning = forms.BooleanField(
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required=False, label=ugettext_lazy("Don't create a new version"),
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help_text=ugettext_lazy("Don't create a new version. Useful e.g. for trivial changes."))
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"""BooleanField to decide, if a new version will be created, or the
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last_version will be used."""
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class MotionCategoryMixin(forms.ModelForm):
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"""Mixin to let the user choose the category for the motion."""
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category = forms.ModelChoiceField(queryset=Category.objects.all(), required=False, label=ugettext_lazy("Category"))
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class MotionIdentifierMixin(forms.ModelForm):
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"""
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Mixin to let the user choose the identifier for the motion.
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"""
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identifier = forms.CharField(required=False, label=ugettext_lazy('Identifier'))
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def clean_identifier(self):
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"""
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Test, that the identifier is unique
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"""
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identifier = self.cleaned_data['identifier']
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if Motion.objects.filter(identifier=identifier).exists():
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raise forms.ValidationError(_('The Identifier is not unique.'))
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else:
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return identifier
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