Bug fix: MultiRelationField's wheel is now compatible with ProxyField.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@6054 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/MultiRelationField.py

@@ -523,7 +523,7 @@ class MultiRelationStringField(ZMIField):
       Optionally pass keyword arguments that get passed to TALES
       expression.
       """
-      if id == 'is_relation_field':
+      if id in ('is_relation_field', 'is_multi_relation_field'):
         result = 1
       else:
         result = ZMIField.get_value(self, id, **kw)

product/ERP5Form/RelationField.py

@@ -475,6 +475,8 @@ class RelationStringField(ZMIField):
       """
       if id == 'is_relation_field':
         result = 1
+      elif id == 'is_multi_relation_field':
+        result = 0
       else:
         result = ZMIField.get_value(self, id, **kw)
       return result

product/ERP5Form/SelectionTool.py

@@ -1006,7 +1006,7 @@ class SelectionTool( UniqueObject, SimpleItem ):
       # '%s' in the field: '%s'" % (field_value, field.get_orig_value('title'))
       portal_status_message = "Please select one object."
 
-      if field.meta_type == "MultiRelationStringField":
+      if field.get_value('is_multi_relation_field'):
         if sub_index is None:
           # user click on the wheel, not on the validation button
           # we need to facilitate user search