text: # Copyright 2012 United States Government as represented by the
  # Administrator of the National Aeronautics and Space Administration.
  # All Rights Reserved.
  #
  # Copyright 2012 NEC Corporation
  #
  #    Licensed under the Apache License, Version 2.0 (the "License"); you may
  #    not use this file except in compliance with the License. You may obtain
  #    a copy of the License at
  #
  #         http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  import logging
  
  from django.core.urlresolvers import reverse
  from django.utils.translation import ugettext_lazy as _
  
  from horizon import exceptions
  from horizon import forms
  from horizon import messages
  
  from openstack_dashboard import api
  
  
  LOG = logging.getLogger(__name__)
  
  
  class UpdateNetwork(forms.SelfHandlingForm):
      name = forms.CharField(label=_("Name"), required=False)
      tenant_id = forms.CharField(widget=forms.HiddenInput)
      admin_state = forms.ChoiceField(choices=[(True, _('UP')),
                                               (False, _('DOWN'))],
                                      label=_("Admin State"))
      failure_url = 'horizon:project:networks:index'
  
      def handle(self, request, data):
          try:
              params = {'admin_state_up': (data['admin_state'] == 'True'),
                        'name': data['name']}
              network = api.neutron.network_update(request,
                                                   self.initial['network_id'],
                                                   **params)
              msg = _('Network %s was successfully updated.') % data['name']
              LOG.debug(msg)
              messages.success(request, msg)
              return network
          except Exception:
              msg = _('Failed to update network %s') % data['name']
              LOG.info(msg)
              redirect = reverse(self.failure_url)
              exceptions.handle(request, msg, redirect=redirect)
  