context.put(Operation.class, new IgnorePostbackOperation(operation));
         }
      }
      if (context instanceof FieldContext) {
         Binding binding = (Binding) context.get(Binding.class);
         if (binding != null) {
            // replace the binding with a wrapped one that ignores postbacks
            context.put(Binding.class, new IgnorePostbackBinding(binding));
         }
      }