access to cell in tales expression

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@1047 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/ListBox.py

@@ -1003,12 +1003,26 @@ onChange="submitAction(this.form,'%s/portal_selections/setReportRoot')">
             else:
               property_id = alias
 #            attribute_value = getattr(o, cname_id) # FUTURE WAY OF DOING TGW Brains
+            my_field = None
+            tales_expr = None
+            if form.has_field('%s_%s' % (field.id, alias) ):
+              my_field_id = '%s_%s' % (field.id, alias)
+              my_field = form.get_field(my_field_id)
+              tales_expr = my_field.tales.get('default', "")
+            if tales_expr:
+              #
+              real_o = o
+              if hasattr(o,'getObject'): # we have a line of sql result
+                real_o = o.getObject()
+              field_kw = {'cell':real_o}
+              attribute_value = my_field.__of__(real_o).get_value('default',**field_kw)
+            else:
               if hasattr(aq_self(o),alias): # Block acquisition to reduce risks
                 # First take the indexed value
                 attribute_value = getattr(o,alias) # We may need acquisition in case of method call
               else:
-#             MUST IMPROVE FOR PERFORMANCE REASON
-#             attribute_value = 'Does not exist'
+  #             MUST IMPROVE FOR PERFORMANCE REASON
+  #             attribute_value = 'Does not exist'
                 if real_o is None:
                   try:
                     real_o = o.getObject()
@@ -1047,8 +1061,6 @@ onChange="submitAction(this.form,'%s/portal_selections/setReportRoot')">
             else:
               td_align = "left"
             if sql in editable_column_ids and form.has_field('%s_%s' % (field.id, alias) ):
-              my_field_id = '%s_%s' % (field.id, alias)
-              my_field = form.get_field(my_field_id)
               key = my_field.id + '_%s' % o.uid
               if field_errors.has_key(key):
                 error_css = 'Error'