OpenSlides/openslides/config/views.py

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2011-07-31 10:46:29 +02:00
# -*- coding: utf-8 -*-
from django import forms
from django.contrib import messages
from django.core.urlresolvers import reverse
from django.utils.translation import ugettext as _
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from openslides.utils.views import FormView
from .api import config
from .signals import config_signal
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class ConfigView(FormView):
"""
The view for a config collection.
"""
permission_required = 'config.can_manage'
template_name = 'config/config_form.html'
config_collection = None
form_class = forms.Form
def get_form(self, *args):
"""
Gets the form for the view. Includes all form fields given by the
config collection.
"""
form = super(ConfigView, self).get_form(*args)
for name, field in self.generate_form_fields_from_config_collection():
form.fields[name] = field
return form
def generate_form_fields_from_config_collection(self):
"""
Generates the fields for the get_form function.
"""
for variable in self.config_collection.variables:
if variable.form_field is not None:
yield (variable.name, variable.form_field)
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def get_initial(self):
"""
Returns a dictonary with the actual values of the config variables
as intial value for the form.
"""
initial = super(ConfigView, self).get_initial()
for variable in self.config_collection.variables:
initial.update({variable.name: config[variable.name]})
return initial
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def get_context_data(self, **kwargs):
"""
Adds to the context the active config view, a list of dictionaries
containing all config collections each with a flag which is true if its
view is the active one and adds a flag whether the config collection
has groups. Adds also extra_stylefiles and extra_javascript.
"""
context = super(ConfigView, self).get_context_data(**kwargs)
context['active_config_collection_view'] = self.config_collection
config_collection_list = []
for receiver, config_collection in config_signal.send(sender=self):
if config_collection.is_shown():
config_collection_list.append({
'config_collection': config_collection,
'active': self.request.path == reverse('config_%s' % config_collection.url)})
context['config_collection_list'] = sorted(
config_collection_list, key=lambda config_collection_dict: config_collection_dict['config_collection'].weight)
if hasattr(self.config_collection, 'groups'):
context['groups'] = self.config_collection.groups
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else:
context['groups'] = None
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if 'extra_stylefiles' in self.config_collection.extra_context:
if 'extra_stylefiles' in context:
context['extra_stylefiles'].extend(self.config_collection.extra_context['extra_stylefiles'])
else:
context['extra_stylefiles'] = self.config_collection.extra_context['extra_stylefiles']
if 'extra_javascript' in self.config_collection.extra_context:
if 'extra_javascript' in context:
context['extra_javascript'].extend(self.config_collection.extra_context['extra_javascript'])
else:
context['extra_javascript'] = self.config_collection.extra_context['extra_javascript']
return context
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def get_success_url(self):
"""
Returns the success url when changes are saved. Here it is the same
url as the main menu entry.
"""
return reverse('config_%s' % self.config_collection.url)
def form_valid(self, form):
"""
Saves all data of a valid form.
"""
for key in form.cleaned_data:
config[key] = form.cleaned_data[key]
messages.success(self.request, _('%s settings successfully saved.') % _(self.config_collection.title))
return super(ConfigView, self).form_valid(form)