/* $Id: ArgoStatusBar.java 17841 2010-01-12 19:17:52Z 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) 2007-2008 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.ui;

 import java.text.MessageFormat;

 import javax.swing.SwingUtilities;

 import org.argouml.application.events.ArgoEventPump;

 import org.argouml.application.events.ArgoEventTypes;

 import org.argouml.application.events.ArgoHelpEvent;

 import org.argouml.application.events.ArgoHelpEventListener;

 import org.argouml.application.events.ArgoStatusEvent;

 import org.argouml.application.events.ArgoStatusEventListener;

 import org.argouml.i18n.Translator;

 import org.tigris.gef.ui.IStatusBar;

 /**

  * A StatusBar that registers itself with the ArgoEventPump to receive

  * help and status events.

  * 

  * @author Tom Morris <tfmorris@gmail.com>

  */

 public class ArgoStatusBar extends StatusBar implements IStatusBar,

         ArgoStatusEventListener, ArgoHelpEventListener {

     /**

      * Default constructor.  Registers itself to receive Help & Status events

      * from the ArgoUML event pump.

      */

     public ArgoStatusBar() {

         super();

         ArgoEventPump.addListener(ArgoEventTypes.ANY_HELP_EVENT, this);

         ArgoEventPump.addListener(ArgoEventTypes.ANY_STATUS_EVENT, this);

     }

     public void projectLoaded(ArgoStatusEvent e) {

         String status = MessageFormat.format(

                 Translator.localize("statusmsg.bar.open-project-status-read"),

                 new Object[] {e.getText()});

         showStatusOnSwingThread(status);

     }

     public void projectModified(ArgoStatusEvent e) {

         String status = MessageFormat.format(

                 Translator.localize("statusmsg.bar.project-modified"),

                 new Object[] {e.getText()});

         showStatusOnSwingThread(status);

     }

     public void projectSaved(ArgoStatusEvent e) {

         String status = MessageFormat.format(

                 Translator.localize("statusmsg.bar.save-project-status-wrote"),

                 new Object[] {e.getText()});

         showStatusOnSwingThread(status);

     }

     public void statusCleared(ArgoStatusEvent e) {

         showStatusOnSwingThread("");

     }

     public void statusText(ArgoStatusEvent e) {

         showStatusOnSwingThread(e.getText());

     }

     public void helpChanged(ArgoHelpEvent e) {

         showStatusOnSwingThread(e.getHelpText());

     }

     public void helpRemoved(ArgoHelpEvent e) {

         showStatusOnSwingThread("");

     }

     // We don't know what thread events will be delivered on, so make sure

     // we run Swing methods on the Swing thread

     private void showStatusOnSwingThread(final String status) {

         SwingUtilities.invokeLater(new Runnable() {

             public void run() {

                 showStatus(status);

             }

         });

     }

 }