/**
    * 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));
  	}
  
  }