/* $Id: ActionSetParameterDirectionKind.java 17897 2010-01-12 21:36:40Z 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) 1996-2007 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.foundation.core;

 import java.awt.event.ActionEvent;

 import javax.swing.Action;

 import javax.swing.JRadioButton;

 import org.argouml.i18n.Translator;

 import org.argouml.model.Model;

 import org.argouml.uml.ui.UMLRadioButtonPanel;

 import org.argouml.ui.UndoableAction;

 /**

  * An action to set the direction of a parameter.

  *

  * @author mkl

  *

  */

 public class ActionSetParameterDirectionKind extends UndoableAction {

     private static final ActionSetParameterDirectionKind SINGLETON =

         new ActionSetParameterDirectionKind();

     /**

      * IN_COMMAND determines the kind of direction.

      */

     public static final String IN_COMMAND = "in";

     /**

      * OUT_COMMAND determines the kind of direction.

      */

     public static final String OUT_COMMAND = "out";

     /**

      * INOUT_COMMAND determines the kind of direction.

      */

     public static final String INOUT_COMMAND = "inout";

     /**

      * RETURN_COMMAND determines the kind of direction.

      */

     public static final String RETURN_COMMAND = "return";

     /**

      * Constructor for ActionSetElementOwnershipSpecification.

      */

     protected ActionSetParameterDirectionKind() {

         super(Translator.localize("Set"), null);

         // Set the tooltip string:

         putValue(Action.SHORT_DESCRIPTION, 

                 Translator.localize("Set"));

     }

     /*

      * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)

      */

     @Override

     public void actionPerformed(ActionEvent e) {

         super.actionPerformed(e);

         if (e.getSource() instanceof JRadioButton) {

             JRadioButton source = (JRadioButton) e.getSource();

             String actionCommand = source.getActionCommand();

             Object target = ((UMLRadioButtonPanel) source.getParent())

                     .getTarget();

             if (Model.getFacade().isAParameter(target)) {

                 Object kind = null;

                 if (actionCommand == null) {

                     kind = null;

                 } else if (actionCommand.equals(IN_COMMAND)) {

                     kind = Model.getDirectionKind().getInParameter();

                 } else if (actionCommand.equals(OUT_COMMAND)) {

                     kind = Model.getDirectionKind().getOutParameter();

                 } else if (actionCommand.equals(INOUT_COMMAND)) {

                     kind = Model.getDirectionKind().getInOutParameter();

                 } else if (actionCommand.equals(RETURN_COMMAND)) {

                     kind = Model.getDirectionKind().getReturnParameter();

                 }

                 Model.getCoreHelper().setKind(target, kind);

             }

         }

     }

     /**

      * @return Returns the sINGLETON.

      */

     public static ActionSetParameterDirectionKind getInstance() {

         return SINGLETON;

     }

 }