/* $Id: UMLActivityGraphContextComboBoxModel.java 17883 2010-01-12 21:11:38Z linus $

  *****************************************************************************

  * Copyright (c) 2009 Contributors - see below

  * All rights reserved. This program and the accompanying materials

  * are made available under the terms of the Eclipse Public License v1.0

  * which accompanies this distribution, and is available at

  * http://www.eclipse.org/legal/epl-v10.html

  *

  * Contributors:

  *    bobtarling

  *****************************************************************************

  *

  * Some portions of this file was previously release using the BSD License:

  */

 // Copyright (c) 2006 The Regents of the University of California. All

 // Rights Reserved. Permission to use, copy, modify, and distribute this

 // software and its documentation without fee, and without a written

 // agreement is hereby granted, provided that the above copyright notice

 // and this paragraph appear in all copies.  This software program and

 // documentation are copyrighted by The Regents of the University of

 // California. The software program and documentation are supplied "AS

 // IS", without any accompanying services from The Regents. The Regents

 // does not warrant that the operation of the program will be

 // uninterrupted or error-free. The end-user understands that the program

 // was developed for research purposes and is advised not to rely

 // exclusively on the program for any reason.  IN NO EVENT SHALL THE

 // UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,

 // SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,

 // ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF

 // THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF

 // SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY

 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE

 // PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF

 // CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,

 // UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

 package org.argouml.uml.ui.behavior.activity_graphs;

 import java.util.ArrayList;

 import java.util.Collection;

 import org.argouml.kernel.Project;

 import org.argouml.kernel.ProjectManager;

 import org.argouml.model.Model;

 import org.argouml.model.UmlChangeEvent;

 import org.argouml.uml.ui.UMLComboBoxModel2;

 /**

  * Listmodel for the Context of an ActivityGraph.

  * 

  * @author Michiel

  */

 class UMLActivityGraphContextComboBoxModel

     extends  UMLComboBoxModel2  {

     /**

      * Constructor for UMLStateMachineContextListModel.

      */

     public UMLActivityGraphContextComboBoxModel() {

         super("context", false);

     }

     /*

      * @see org.argouml.uml.ui.UMLModelElementListModel2#buildModelList()

      */

     protected void buildModelList() {

         Collection elements = new ArrayList();

         Project p = ProjectManager.getManager().getCurrentProject();

         for (Object model : p.getUserDefinedModelList()) {

             elements.addAll(Model

                     .getModelManagementHelper().getAllModelElementsOfKind(

                             model, Model.getMetaTypes().getClassifier()));

             elements.addAll(Model

                     .getModelManagementHelper().getAllModelElementsOfKind(

                             model, 

                             Model.getMetaTypes().getBehavioralFeature()));

             elements.addAll(Model

                     .getModelManagementHelper().getAllModelElementsOfKind(

                             model, Model.getMetaTypes().getPackage()));

         }

         setElements(elements);

     }

     /*

      * @see org.argouml.uml.ui.UMLComboBoxModel2#isValidElement(Object)

      */

     protected boolean isValidElement(Object element) {

         return Model.getFacade().isAClassifier(element)

             || Model.getFacade().isABehavioralFeature(element)

             || Model.getFacade().isAPackage(element);

     }

     /*

      * @see org.argouml.uml.ui.UMLComboBoxModel2#getSelectedModelElement()

      */

     protected Object getSelectedModelElement() {

         return Model.getFacade().getContext(getTarget());

     }

     /*

      * @see org.argouml.uml.ui.UMLComboBoxModel2#propertyChange(java.beans.PropertyChangeEvent)

      */

     public void modelChange(UmlChangeEvent evt) {

         /* Do nothing by design. */

     }

 }