/**

  * Copyright 2010 The Kuali Foundation Licensed under the

  * Educational Community License, Version 2.0 (the "License"); you may

  * not use this file except in compliance with the License. You may

  * obtain a copy of the License at

  *

  * http://www.osedu.org/licenses/ECL-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an "AS IS"

  * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express

  * or implied. See the License for the specific language governing

  * permissions and limitations under the License.

  */

 package org.kuali.student.core.organization.ui.client.view;

 public interface HasStateChanges {

     /**

      * This method expects a widget to be able to save its state as a map of strings

      * 

      * @return a string map that will be merged into the history token

      */

     public String saveState();

     /**

      * This method expects a widget to be able to restore its state from a map of strings

      * 

      * @param state the tokenized history string

      */

     public void loadState(String state);

 }