Use raise_user_error for exception about deleteing workflow record for

issue413

trytond/ir/translation.xml

@@ -95,6 +95,15 @@
             <field name="module">ir</field>
             <field name="fuzzy" eval="False"/>
         </record>
+        <record model="ir.translation" id="translation_delete_workflow_record">
+            <field name="name">delete_workflow_record</field>
+            <field name="lang">en_US</field>
+            <field name="type">error</field>
+            <field name="src">You cannot delete a record with a running workflow.</field>
+            <field name="value">You cannot delete a record with a running workflow.</field>
+            <field name="module">ir</field>
+            <field name="fuzzy" eval="False"/>
+        </record>
 
         <record model="ir.ui.view" id="act_translation_set_report_init_view_form">
             <field name="model">ir.translation.set_report.init</field>

trytond/osv/orm.py

@@ -1406,8 +1406,8 @@ class ORM(object):
                 "AND res_type = %s AND state != 'complete'",
             ids + [self._name])
         if cursor.rowcount != 0:
-            raise Exception('UserError',
-                    'You cannot delete a record with a running workflow.')
+            self.raise_user_error(cursor, 'delete_workflow_record',
+                    context=context)
 
         wf_service = LocalService("workflow")
         for obj_id in ids: