/* $Id: UMLStubStateComboBoxModel.java 17894 2010-01-12 21:29:01Z 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:

  *    tfmorris

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

  *

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

  */

 // Copyright (c) 1996-2006 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.state_machines;

 import org.argouml.model.Model;

 import org.argouml.uml.ui.UMLComboBoxModel2;

 import java.util.ArrayList;

 import java.util.Iterator;

 /**

  * @author pepargouml@yahoo.es

  */

 public class UMLStubStateComboBoxModel extends UMLComboBoxModel2 {

     /**

      * Constructor for UMLStubStateComboBoxModel.

      */

     public UMLStubStateComboBoxModel() {

         super("stubstate", true);

     }

     /*

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

      */

     protected boolean isValidElement(Object element) {

         return (Model.getFacade().isAStateVertex(element)

                 && !Model.getFacade().isAConcurrentRegion(element)

                 && Model.getFacade().getName(element) != null);

     }

     /*

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

      */

     protected void buildModelList() {

         removeAllElements();

         Object stateMachine = null;

         if (Model.getFacade().isASubmachineState(

                 Model.getFacade().getContainer(getTarget()))) {

             stateMachine = Model.getFacade().getSubmachine(

                     Model.getFacade().getContainer(getTarget()));

         }

         if (stateMachine != null) {

             ArrayList v = (ArrayList) Model.getStateMachinesHelper()

                 .getAllPossibleSubvertices(

                         Model.getFacade().getTop(stateMachine));

             ArrayList v2 = (ArrayList) v.clone();

             Iterator it = v2.iterator();

             while (it.hasNext()) {

                 Object o = it.next();

                 if (!isValidElement(o)) {

                     v.remove(o);

                 }

             }

             setElements(v);

         }

     }

     /*

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

      */

     protected Object getSelectedModelElement() {

         String objectName = null;

         Object container = null;

         if (getTarget() != null) {

             objectName = Model.getFacade().getReferenceState(getTarget());

             container = Model.getFacade().getContainer(getTarget());

             if (container != null

                     && Model.getFacade().isASubmachineState(container)

                     && Model.getFacade().getSubmachine(container) != null) {

                 return Model.getStateMachinesHelper()

                         .getStatebyName(objectName,

                                 Model.getFacade().getTop(Model.getFacade()

                                         .getSubmachine(container)));

             }

         }

         return null;

     }

 }