/* $Id: ActionSaveProject.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) 1996-2007 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;

 import java.awt.event.ActionEvent;

 import javax.swing.AbstractAction;

 import javax.swing.Action;

 import javax.swing.Icon;

 import org.apache.log4j.Logger;

 import org.argouml.application.helpers.ResourceLoaderWrapper;

 import org.argouml.i18n.Translator;

 import org.argouml.kernel.ProjectManager;

 import org.argouml.ui.ProjectBrowser;

 /**

  * Action that saves the project.

  *

  * @see ActionOpenProject

  */

 public class ActionSaveProject extends AbstractAction {

     private static final long serialVersionUID = -5579548202585774293L;

         /**

      * Logger.

      */

     private static final Logger LOG = Logger.getLogger(ActionSaveProject.class);

     /**

      * The constructor.

      */

     public ActionSaveProject() {

         super(Translator.localize("action.save-project"),

                 ResourceLoaderWrapper.lookupIcon("action.save-project"));

         // Set the tooltip string:

         putValue(Action.SHORT_DESCRIPTION, 

                 Translator.localize("action.save-project"));

         super.setEnabled(false);

     }

     /**

      * The constructor.

      * @param name the name of the action.

      * @param icon the icon to represent this action graphically.

      */

     protected ActionSaveProject(String name, Icon icon) {

         super(name, icon);

     }

     /*

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

      */

     public void actionPerformed(ActionEvent e) {

         LOG.info("Performing save action");

         ProjectBrowser.getInstance().trySave(

                 ProjectManager.getManager().getCurrentProject() != null

                         && ProjectManager.getManager().getCurrentProject()

                                 .getURI() != null);

     }

     /**

      * Set the enabled state of the save action. When we become enabled inform

      * the user by highlighting the title bar with an asterisk. This method is

      * undoable.  This method is synchronized so that it can be used from any

      * thread without external synchronization.

      * 

      * @param isEnabled new state for save command

      */

     @Override

     public synchronized void setEnabled(final boolean isEnabled) {

         if (isEnabled == this.enabled) {

             return;

         }

         if (LOG.isDebugEnabled()) {

             if (!enabled && isEnabled) {

                 Throwable throwable = new Throwable();

                 throwable.fillInStackTrace();

                 LOG.debug("Save action enabled by  ", throwable);

             } else {

                 LOG.debug("Save state changed from " + enabled + " to "

                         + isEnabled);

             }

         }

         internalSetEnabled(isEnabled);

     }

     /**

      * Set the enabled state of this action and displays the save indicator

      * @param isEnabled true to enable the action

      */

     private void internalSetEnabled(boolean isEnabled) {

         super.setEnabled(isEnabled);

         ProjectBrowser.getInstance().showSaveIndicator();

     }

 }