allow to get title of some categories

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@3637 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/PropertySheet/TradeCondition.py

@@ -52,7 +52,8 @@ class TradeCondition:
           'portal_type' : ('Payment Condition'),
           'acquired_property_id' : ('payment_mode', 'payment_term',
                                     'payment_end_of_month', 
-                                    'payment_additional_term', 'trade_date'
+                                    'payment_additional_term', 'trade_date',
+                                    'payment_mode_title', 'payment_trade_date_title',
                                    ),
           'mode'        : 'w' },
   )