/* $Id: ActionAddSignalsToSignalEvent.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:

  *    mvw

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

  *

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

  */

 // Copyright (c) 1996-2009 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 java.util.ArrayList;

 import java.util.Collection;

 import java.util.List;

 import org.argouml.i18n.Translator;

 import org.argouml.model.Model;

 import org.argouml.uml.ui.AbstractActionAddModelElement2;

 /**

  * Provide a dialog which helps the user to select one event

  * out of an existing list,

  * which will be used as the trigger of the transition.

  *

  * @author MarkusK

  *

  */

 class ActionAddSignalsToSignalEvent extends AbstractActionAddModelElement2 {

     /**

      * The one and only instance of this class.

      */

     public static final ActionAddSignalsToSignalEvent SINGLETON =

         new ActionAddSignalsToSignalEvent();

     /**

      * Constructor for ActionAddClassifierRoleBase.

      */

     protected ActionAddSignalsToSignalEvent() {

         super();

         setMultiSelect(false);

     }

     protected List getChoices() {

         List vec = new ArrayList();

         vec.addAll(Model.getModelManagementHelper().getAllModelElementsOfKind(

                 Model.getFacade().getRoot(getTarget()),

                 Model.getMetaTypes().getSignal()));

         return vec;

     }

     protected List getSelected() {

         List vec = new ArrayList();

         Object signal = Model.getFacade().getSignal(getTarget());

         if (signal != null) {

             vec.add(signal);

         }

         return vec;

     }

     protected String getDialogTitle() {

         return Translator.localize("dialog.title.add-signal");

     }

     @Override

     protected void doIt(Collection selected) {

         Object event = getTarget();

         if (selected == null || selected.size() == 0) {

             Model.getCommonBehaviorHelper().setSignal(event, null);

         } else {

             Model.getCommonBehaviorHelper().setSignal(event,

                     selected.iterator().next());

         }

     }

     /**

      * The UID.

      */

     private static final long serialVersionUID = 6890869588365483936L;

 }