123 lines
4.4 KiB
Python
123 lines
4.4 KiB
Python
# -*- coding: utf-8 -*-
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from django import forms
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from django.contrib import messages
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from django.core.urlresolvers import reverse
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from django.utils.translation import ugettext as _
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from openslides.utils.template import Tab
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from openslides.utils.views import FormView
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from .api import config
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from .signals import config_signal
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class ConfigView(FormView):
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"""
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The view for a config page.
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"""
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template_name = 'config/config_form.html'
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config_page = None
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form_class = forms.Form
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def has_permission(self, *args, **kwargs):
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"""
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Ensures that only users with tab's permission can see this view.
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"""
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self.permission_required = self.config_page.required_permission
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return super(ConfigView, self).has_permission(*args, **kwargs)
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def get_form(self, *args):
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"""
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Gets the form for the view. Includes all form fields given by the
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tab's config objects.
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"""
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form = super(ConfigView, self).get_form(*args)
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for name, field in self.generate_form_fields_from_config_page():
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form.fields[name] = field
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return form
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def generate_form_fields_from_config_page(self):
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"""
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Generates the fields for the get_form function.
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"""
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for variable in self.config_page.variables:
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if variable.form_field is not None:
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yield (variable.name, variable.form_field)
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def get_initial(self):
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"""
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Returns a dictonary with the actual values of the config variables
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as intial value for the form.
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"""
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initial = super(ConfigView, self).get_initial()
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for variable in self.config_page.variables:
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initial.update({variable.name: config[variable.name]})
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return initial
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def get_context_data(self, **kwargs):
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"""
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Adds to the context the active config tab, a list of dictionaries
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containing all config tabs each with a flag which is true if the
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tab is the active one and adds a flag whether the config page has
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groups. Adds also extra_stylefiles and extra_javascript.
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"""
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context = super(ConfigView, self).get_context_data(**kwargs)
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context['active_config_page'] = self.config_page
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config_pages_list = []
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for receiver, config_page in config_signal.send(sender=self):
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if config_page.is_shown():
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config_pages_list.append({
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'config_page': config_page,
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'active': self.request.path == reverse('config_%s' % config_page.url)})
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context['config_pages_list'] = sorted(config_pages_list, key=lambda config_page_dict: config_page_dict['config_page'].weight)
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if hasattr(self.config_page, 'groups'):
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context['groups'] = self.config_page.groups
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else:
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context['groups'] = None
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if 'extra_stylefiles' in self.config_page.extra_context:
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if 'extra_stylefiles' in context:
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context['extra_stylefiles'].extend(self.config_page.extra_context['extra_stylefiles'])
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else:
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context['extra_stylefiles'] = self.config_page.extra_context['extra_stylefiles']
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if 'extra_javascript' in self.config_page.extra_context:
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if 'extra_javascript' in context:
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context['extra_javascript'].extend(self.config_page.extra_context['extra_javascript'])
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else:
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context['extra_javascript'] = self.config_page.extra_context['extra_javascript']
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return context
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def get_success_url(self):
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"""
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Returns the success url when changes are saved. Here it is the same
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url as the tab.
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"""
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return reverse('config_%s' % self.config_page.url)
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def form_valid(self, form):
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"""
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Saves all data of a valid form.
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"""
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for key in form.cleaned_data:
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config[key] = form.cleaned_data[key]
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messages.success(self.request, _('%s settings successfully saved.') % _(self.config_page.title))
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return super(ConfigView, self).form_valid(form)
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def register_tab(request):
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"""
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Registers the tab for this app in the main menu.
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"""
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return Tab(
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title=_('Configuration'),
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app='config',
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url=reverse('config_first_config_page'),
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permission=request.user.has_perm('config.can_manage'),
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selected=request.path.startswith('/config/'))
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