patches/DCWorkflow.py: patch getParentWorkflowValue to DC transition.

product/ERP5Type/patches/DCWorkflow.py

@@ -1043,6 +1043,9 @@ def DCWorkflowDefinition_showAsXML(self, root=None):
   return etree.tostring(root, encoding='utf-8',
                         xml_declaration=True, pretty_print=True)
 
+def TransitionDefinition_getParentWorkflowValue(self):
+  return self.aq_parent.aq_parent
+
 def DCWorkflowDefinition_getSourceValue(self):
   return self.states[self.initial_state]
 
@@ -1081,6 +1084,7 @@ StateDefinition.getReference = method_getReference
 StateDefinition.getDestinationIdList = StateDefinition_getDestinationIdList
 StateDefinition.getDestinationReferenceList = StateDefinition_getDestinationIdList
 StateDefinition.showDict = DCWorkflowDefinition_showDict
+TransitionDefinition.getParentWorkflowValue = TransitionDefinition_getParentWorkflowValue
 TransitionDefinition.getReference = method_getReference
 TransitionDefinition.showDict = DCWorkflowDefinition_showDict
 VariableDefinition.getReference = method_getReference