revert previous changes and fix a little bug

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@3677 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/ListBox.py

@@ -662,16 +662,6 @@ class ListBoxWidget(Widget.Widget):
           # Only update params if list_method is defined
           # (ie. do not update params in listboxed intended to show a previously defined selection
           params.update(REQUEST.form)
-
-          empty_fields = REQUEST.get('my_empty_fields')
-          if not empty_fields is None:
-            if empty_fields.find(','):
-              empty_fields=empty_fields.split(",")
-              for k in range(0,len(empty_fields)-1):
-                params[empty_fields[k]] = None
-            elif empty_fields != '':
-              params[empty_fields] = None
-
           for (k,v) in default_params:
             if REQUEST.form.has_key(k):
               params[k] = REQUEST.form[k]
@@ -2144,7 +2134,7 @@ class ListBoxLine:
 
   security.declarePublic('__getitem__')
   def __getitem__(self, column_id):
-    return getColumnProperty(self, column_id)
+    return self.getColumnProperty(column_id)
 
   #security.declarePublic('View')
   def setConfigProperty(self, config_id, config_value):