/* $Id: ActionRevertToSaved.java 17881 2010-01-12 21:09:28Z 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;

 import java.awt.event.ActionEvent;

 import java.io.File;

 import java.text.MessageFormat;

 import javax.swing.AbstractAction;

 import javax.swing.JOptionPane;

 import org.argouml.i18n.Translator;

 import org.argouml.kernel.Project;

 import org.argouml.kernel.ProjectManager;

 import org.argouml.ui.ProjectBrowser;

 import org.argouml.util.ArgoFrame;

 /**

  * Action that reverts to the previously saved version of the project.

  *

  * @see ActionOpenProject

  */

 public class ActionRevertToSaved extends AbstractAction {

     ////////////////////////////////////////////////////////////////

     // constructors

     /**

      * Constructor.

      */

     public ActionRevertToSaved() {

         super(Translator.localize("action.revert-to-saved"));

     }

     ////////////////////////////////////////////////////////////////

     // main methods

     /**

      * Performs the action.

      *

      * @param e an event

      */

     public void actionPerformed(ActionEvent e) {

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

         if (p == null 

                 || !ProjectBrowser.getInstance().getSaveAction().isEnabled()) {

             return;

         }

         String message =

             MessageFormat.format(

                     Translator.localize(

                        "optionpane.revert-to-saved-confirm"),

                     new Object[] {

                         p.getName(),

                     });

         int response =

             JOptionPane.showConfirmDialog(

                   ArgoFrame.getFrame(),

                   message,

                   Translator.localize(

                       "optionpane.revert-to-saved-confirm-title"),

                   JOptionPane.YES_NO_OPTION);

         if (response == JOptionPane.YES_OPTION) {

             ProjectBrowser.getInstance().loadProjectWithProgressMonitor(

                     new File(p.getURI()), true);

         }

     }

 }