/**

  * 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.common.ui.client.mvc;

 import org.kuali.student.common.ui.client.mvc.ModelChangeEvent.Action;

 import com.google.gwt.event.shared.HandlerManager;

 import com.google.gwt.event.shared.HandlerRegistration;

 public class AbstractSimpleModel implements Model {

         private HandlerManager handlers = new HandlerManager(this);

         @Override

         public HandlerRegistration addModelChangeHandler(ModelChangeHandler handler) {

                 return handlers.addHandler(ModelChangeEvent.TYPE, handler);

         }

         protected void fireChangeEvent(Action action) {

                 handlers.fireEvent(new ModelChangeEvent(action, this));

         }

 }