/* $Id: ActionOpenProject.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 java.io.File;

 import javax.swing.Action;

 import javax.swing.JFileChooser;

 import javax.swing.filechooser.FileFilter;

 import org.argouml.application.api.CommandLineInterface;

 import org.argouml.application.helpers.ResourceLoaderWrapper;

 import org.argouml.configuration.Configuration;

 import org.argouml.i18n.Translator;

 import org.argouml.kernel.Project;

 import org.argouml.kernel.ProjectManager;

 import org.argouml.persistence.AbstractFilePersister;

 import org.argouml.persistence.PersistenceManager;

 import org.argouml.persistence.ProjectFileView;

 import org.argouml.ui.ProjectBrowser;

 import org.argouml.ui.UndoableAction;

 import org.argouml.util.ArgoFrame;

 /**

  * Action that loads the project.

  * This will throw away the project that we were working with up to this

  * point so some extra caution.

  *

  * @see ActionSaveProject

  */

 public class ActionOpenProject extends UndoableAction

     implements CommandLineInterface {

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

     // constructors

     /**

      * Constructor for this action.

      */

     public ActionOpenProject() {

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

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

         // Set the tooltip string:

         putValue(Action.SHORT_DESCRIPTION, 

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

     }

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

     // main methods

     /**

      * Performs the action of opening a project.

      *

      * @param e an event

      */

     public void actionPerformed(ActionEvent e) {

         super.actionPerformed(e);

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

         PersistenceManager pm = PersistenceManager.getInstance();

         if (!ProjectBrowser.getInstance().askConfirmationAndSave()) {

             return;

         }

         // next line does give user.home back but this is not

         // compliant with how the project.uri works and therefore

         // open and save project as give different starting

         // directories.  String directory =

         // Globals.getLastDirectory();

         JFileChooser chooser = null;

         if (p != null && p.getURI() != null) {

             File file = new File(p.getURI());

             if (file.getParentFile() != null) {

                 chooser = new JFileChooser(file.getParent());

             }

         } else {

             chooser = new JFileChooser();

         }

         if (chooser == null) {

             chooser = new JFileChooser();

         }

         chooser.setDialogTitle(

                 Translator.localize("filechooser.open-project"));

         chooser.setAcceptAllFileFilterUsed(false);

         // adding project files icon

         chooser.setFileView(ProjectFileView.getInstance());

         pm.setOpenFileChooserFilter(chooser);

         String fn = Configuration.getString(

                 PersistenceManager.KEY_OPEN_PROJECT_PATH);

         if (fn.length() > 0) {

             chooser.setSelectedFile(new File(fn));

         }

         int retval = chooser.showOpenDialog(ArgoFrame.getFrame());

         if (retval == JFileChooser.APPROVE_OPTION) {

             File theFile = chooser.getSelectedFile();

             if (!theFile.canRead()) {

                 /* Try adding the extension from the chosen filter. */

                 FileFilter ffilter = chooser.getFileFilter();

                 if (ffilter instanceof AbstractFilePersister) {

                     AbstractFilePersister afp = 

                         (AbstractFilePersister) ffilter;

                     File m =

                         new File(theFile.getPath() + "."

                                 + afp.getExtension());

                     if (m.canRead()) {

                         theFile = m;

                     }

                 }

                 if (!theFile.canRead()) {

                     /* Try adding the default extension. */

                     File n =

                         new File(theFile.getPath() + "."

                                 + pm.getDefaultExtension());

                     if (n.canRead()) {

                         theFile = n;

                     }

                 }

             }

             if (theFile != null) {

                 Configuration.setString(

                         PersistenceManager.KEY_OPEN_PROJECT_PATH,

                         theFile.getPath());

                 ProjectBrowser.getInstance().loadProjectWithProgressMonitor(

                                 theFile, true);

             }

         }

     }

     /**

      * Execute this action from the command line.

      *

      * @see org.argouml.application.api.CommandLineInterface#doCommand(String)

      * @param argument is the url of the project we load.

      * @return true if it is OK.

      */

     public boolean doCommand(String argument) {

         return ProjectBrowser.getInstance()

             .loadProject(new File(argument), false, null);

     }

 } /* end class ActionOpenProject */