/**

  * 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.dto;

 import java.util.HashMap;

 import java.util.Map;

 import org.kuali.student.common.ui.client.configurable.mvc.HasReferenceId;

 import org.kuali.student.common.ui.client.mvc.Model;

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

 import org.kuali.student.common.ui.client.mvc.ModelChangeHandler;

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

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

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

 /**

  * A small model that contains id, type, and state

  * 

  * @author Kuali Student Team

  *

  */

 public class ReferenceModel implements HasReferenceId, Model {

     String referenceId;

     String referenceTypeKey;

     String referenceType;

     String referenceState;

     Map<String, String> referenceAttributes;  // Use referenceAttributes to store misc data from the parent Model

         private HandlerManager handlers = new HandlerManager(this);

         @Override

         public HandlerRegistration addModelChangeHandler(

                         ModelChangeHandler handler) {

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

         }

     /**

      * @see org.kuali.student.common.ui.client.configurable.mvc.HasReferenceId#setReferenceId(java.lang.String)

      */

     @Override

     public void setReferenceId(String id) {

         this.referenceId = id;

                 handlers.fireEvent(new ModelChangeEvent(Action.RELOAD, this));

     }

     /**

      * @see org.kuali.student.common.ui.client.configurable.mvc.HasReferenceId#setReferenceKey(java.lang.String)

      */

     @Override

     public String getReferenceId() {

         return referenceId;

     }

     @Override

         public String getReferenceTypeKey() {

                 return referenceTypeKey;

         }

     @Override

         public void setReferenceTypeKey(String referenceTypeKey) {

                 this.referenceTypeKey = referenceTypeKey;

                 handlers.fireEvent(new ModelChangeEvent(Action.RELOAD, this));

         }

     @Override

         public String getReferenceType() {

                 return referenceType;

         }

     @Override

         public void setReferenceType(String referenceType) {

                 this.referenceType = referenceType;

                 handlers.fireEvent(new ModelChangeEvent(Action.RELOAD, this));

         }

     @Override

         public String getReferenceState() {

                 return referenceState;

         }

     @Override

         public void setReferenceState(String referenceState) {

                 this.referenceState = referenceState;

                 handlers.fireEvent(new ModelChangeEvent(Action.RELOAD, this));

         }

     public Map<String, String> getReferenceAttributes(){

             if(referenceAttributes!=null){

                     return referenceAttributes;

             }

             else{

                     return new HashMap<String,String>();

             }

     }

     public void setReferenceAttributes(Map<String, String> referenceAttributes){

             this.referenceAttributes = referenceAttributes;

             handlers.fireEvent(new ModelChangeEvent(Action.RELOAD, this));

     }

 }