text: # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  # Copyright 2012 Nebula, Inc.
  # Copyright (c) 2012 X.commerce, a business unit of eBay Inc.
  #
  #    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 import shortcuts
  from django.contrib import messages
  from django.utils.translation import ugettext as _
  from novaclient import exceptions as novaclient_exceptions
  
  from horizon import api
  from horizon import tables
  
  
  LOG = logging.getLogger(__name__)
  
  
  class AllocateIP(tables.LinkAction):
      name = "allocate"
      verbose_name = _("Allocate IP To Project")
      attrs = {"class": "ajax-modal btn small"}
      url = "horizon:nova:access_and_security:floating_ips:allocate"
  
      def single(self, data_table, request, *args):
          return shortcuts.redirect('horizon:nova:access_and_security:index')
  
  
  class ReleaseIPs(tables.BatchAction):
      name = "release"
      action_present = _("Release")
      action_past = _("Released")
      data_type_singular = _("Floating IP")
      data_type_plural = _("Floating IPs")
  
      def action(self, request, obj_id):
          api.tenant_floating_ip_release(request, obj_id)
  
  
  class AssociateIP(tables.LinkAction):
      name = "associate"
      verbose_name = _("Associate IP")
      url = "horizon:nova:access_and_security:floating_ips:associate"
      attrs = {"class": "ajax-modal"}
  
      def allowed(self, request, fip):
          if fip.instance_id:
              return False
          return True
  
  
  class DisassociateIP(tables.Action):
      name = "disassociate"
      verbose_name = _("Disassociate IP")
  
      def allowed(self, request, fip):
          if fip.instance_id:
              return True
          return False
  
      def single(self, table, request, obj_id):
          try:
              fip = table.get_object_by_id(int(obj_id))
              api.server_remove_floating_ip(request, fip.instance_id, fip.id)
              LOG.info('Disassociating Floating IP "%s".' % obj_id)
              messages.info(request,
                            _('Successfully disassociated Floating IP: %s')
                            % obj_id)
          except novaclient_exceptions.ClientException, e:
              LOG.exception("ClientException in FloatingIpAssociate")
              messages.error(request, _('Error disassociating Floating IP: %s')
                                       % e.message)
          return shortcuts.redirect('horizon:nova:access_and_security:index')
  
  
  class FloatingIPsTable(tables.DataTable):
      ip = tables.Column("ip", verbose_name=_("IP Address"))
      instance = tables.Column("instance_id",
                               verbose_name=_("Instance"),
                               empty_value="-")
      pool = tables.Column("pool",
                           verbose_name=_("Floating IP Pool"),
                           empty_value="-")
  
      def sanitize_id(self, obj_id):
          return int(obj_id)
  
      def get_object_display(self, datum):
          return datum.ip
  
      class Meta:
          name = "floating_ips"
          verbose_name = _("Floating IPs")
          table_actions = (AllocateIP, ReleaseIPs)
          row_actions = (AssociateIP, DisassociateIP, ReleaseIPs)
  