Show a portal type in the message rather than the class name.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@5856 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/AccountingTransaction.py

@@ -72,7 +72,7 @@ class AccountingTransaction(Delivery):
       """
       if self.getSimulationState() not in ("draft", "cancelled") :
         from OFS.ObjectManager import BeforeDeleteException
-          raise BeforeDeleteException, "Accounting Transaction can only be "\
-                                   "deleted in draft or cancelled states."
+        raise BeforeDeleteException, \
+              "%s can only be deleted in draft or cancelled states." % self.getPortalType()
       Delivery.manage_beforeDelete(self, item, container)