/* $Id: ActionAddClassifierRole.java 17855 2010-01-12 19:56:54Z 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.diagram.collaboration.ui;

 import org.argouml.model.Model;

 import org.argouml.ui.CmdCreateNode;

 import org.argouml.uml.diagram.collaboration.CollabDiagramGraphModel;

 import org.tigris.gef.base.Editor;

 import org.tigris.gef.base.Globals;

 import org.tigris.gef.graph.GraphModel;

 /**

  * Action to add a classifier role to a collaboration diagram.

  * Based on org.argouml.uml.diagram.sequence.ui.ActionAddClassifierRole

  */

 public class ActionAddClassifierRole extends CmdCreateNode {

     private static final long serialVersionUID = 8939546123926523391L;

     /**

      * The constructor.

      */

     public ActionAddClassifierRole() {

         super(Model.getMetaTypes().getClassifierRole(),

                 "button.new-classifierrole");

     }

     /*

      * @see org.tigris.gef.graph.GraphFactory#makeNode()

      */

     public Object makeNode() {

         Object node = null;

         Editor ce = Globals.curEditor();

         GraphModel gm = ce.getGraphModel();

         if (gm instanceof CollabDiagramGraphModel) {

             Object collaboration =

                 ((CollabDiagramGraphModel) gm).getHomeModel();

             node =

                 Model.getCollaborationsFactory().buildClassifierRole(

                         collaboration);

         } else {

             throw new IllegalStateException("Graphmodel is not a "

                     + "collaboration diagram graph model");

         }

         return node;

     }

 }