events.py

   1 # -*- coding: utf-8 -*-
   2 #######################################################################################
   3 #   Plinn - http://plinn.org                                                          #
   4 #   Copyright © 2009  Benoît PIN <benoit.pin@ensmp.fr>                                #
   5 #                                                                                     #
   6 #   This program is free software; you can redistribute it and/or                     #
   7 #   modify it under the terms of the GNU General Public License                       #
   8 #   as published by the Free Software Foundation; either version 2                    #
   9 #   of the License, or (at your option) any later version.                            #
  10 #                                                                                     #
  11 #   This program is distributed in the hope that it will be useful,                   #
  12 #   but WITHOUT ANY WARRANTY; without even the implied warranty of                    #
  13 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                     #
  14 #   GNU General Public License for more details.                                      #
  15 #                                                                                     #
  16 #   You should have received a copy of the GNU General Public License                 #
  17 #   along with this program; if not, write to the Free Software                       #
  18 #   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   #
  19 #######################################################################################
  20 """
  21 Plinn event definitions.
  22
  23
  24
  25 """
  26
  27 from zope.interface import implements
  28 from zope.component.interfaces import ObjectEvent
  29 from interfaces import IObjectPositionModified,\
  30                                            IZopeShutdownEvent
  31
  32
  33 class ObjectPositionModified(ObjectEvent) :
  34         implements(IObjectPositionModified)
  35
  36         def __init__(self, object, parent, position) :
  37                 super(ObjectPositionModified, self).__init__(object)
  38                 self.parent = parent
  39                 self.position = position
  40
  41 class ZopeShutdownEvent(ObjectEvent) :
  42         "Zope is shutting down gracefully"
  43         implements(IZopeShutdownEvent)
  44
  45         def __init__(self, object, phase, time) :
  46                 self.object = object
  47                 self.phase = phase
  48                 self.time = time
  49                 self.__veto = False
  50
  51         def setVeto(self) :
  52                 self.__veto = True
  53
  54         @property
  55         def veto(self) :
  56                 return self.__veto