Source Code for Module ZenRelations.ToManyRelationshipBase

  1  ########################################################################### 
  2  # 
  3  # This program is part of Zenoss Core, an open source monitoring platform. 
  4  # Copyright (C) 2007, Zenoss Inc. 
  5  # 
  6  # This program is free software; you can redistribute it and/or modify it 
  7  # under the terms of the GNU General Public License version 2 as published by 
  8  # the Free Software Foundation. 
  9  # 
 10  # For complete information please visit: http://www.zenoss.com/oss/ 
 11  # 
 12  ########################################################################### 
 13   
 14   
 15  __doc__="""$Id: ToManyRelationship.py,v 1.48 2003/11/12 22:05:48 edahl Exp $""" 
 16   
 17  __version__ = "$Revision: 1.48 $"[11:-2] 
 18   
 19  # Base classes for ToManyRelationshipBase 
 20  #from PrimaryPathObjectManager import PrimaryPathObjectManager 
 21  from RelationshipBase import RelationshipBase 
 22  from RelCopySupport import RelCopyContainer 
 23  from OFS.Traversable import Traversable 
 24  from Acquisition import Implicit 
 25   
 26  from Globals import DTMLFile 
 27  from Acquisition import aq_base, aq_parent 
 28  from AccessControl import ClassSecurityInfo 
 29  from Globals import InitializeClass 
 30  from App.Management import Tabs 
 31   
 32  from Products.ZenRelations.Exceptions import zenmarker 
 33   
 34 -class ToManyRelationshipBase( 
 35              RelCopyContainer,  
 36              RelationshipBase 
 37              ): 
 38      """ 
 39      Abstract base class for all ToMany relationships. 
 40      """ 
 41   
 42      manage_options = ( 
 43          { 
 44          'action': 'manage_main',  
 45          'help': ('OFSP', 'ObjectManager_Contents.stx'),  
 46          'label': 'Contents'}, 
 47      )   
 48       
 49      security = ClassSecurityInfo() 
 50   
 51      manage_main = DTMLFile('dtml/ToManyRelationshipMain',globals()) 
 52   
 53      _operation = -1 # if a Relationship's are only deleted 
 54   
 55   
 56 -    def countObjects(self): 
 57          """Return the number of objects in this relationship""" 
 58          return len(self._objects) 
 59   
 60      
 61 -    def findObjectsById(self, partid): 
 62          """Return a list of objects by running find on their id""" 
 63          objects = [] 
 64          for id, obj in self.objectItemsAll(): 
 65              if id.find(partid) > -1: 
 66                  objects.append(obj) 
 67          return objects  
 68   
 69       
 70 -    def _delObject(self, id, dp=1): 
 71          """Emulate ObjectManager deletetion.""" 
 72          obj = self._getOb(id) 
 73          self.removeRelation(obj) 
 74          obj.__primary_parent__ = None 
 75   
 76       
 77 -    def _setOb(self, id, obj):  
 78          """don't use attributes in relations""" 
 79          raise NotImplementedError 
 80           
 81     
 82 -    def _delOb(self, id): 
 83          """don't use attributes in relations""" 
 84          raise NotImplementedError 
 85   
 86   
 87 -    def _getOb(self, id, default=zenmarker): 
 88          """ 
 89          Return object by id if it exists on this relationship. 
 90          If it doesn't exist return default or if default is not set  
 91          raise AttributeError 
 92          """ 
 93          raise NotImplementedError 
 94   
 95   
 96 -    def manage_workspace(self, REQUEST): 
 97          """if this has been called on us return our workspace 
 98          if not redirect to the workspace of a related object""" 
 99          id = REQUEST['URL'].split('/')[-2] 
100          if id == self.id: 
101              Tabs.manage_workspace(self, REQUEST)  
102          else:     
103              obj = self._getOb(self, id) 
104              raise "Redirect", (obj.getPrimaryUrlPath()+'/manage_workspace') 
105                                           
106   
107  InitializeClass(ToManyRelationshipBase) 
108