/* $Id: SourcePathDialog.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.awt.event.ActionListener;

 import java.util.LinkedList;

 import javax.swing.JButton;

 import javax.swing.JOptionPane;

 import javax.swing.JScrollPane;

 import javax.swing.JTable;

 import javax.swing.ListSelectionModel;

 import javax.swing.event.ListSelectionListener;

 import javax.swing.table.TableColumn;

 import org.argouml.i18n.Translator;

 import org.argouml.util.ArgoDialog;

 /**

  * This dialog appears when selecting

  * <code>Generation -> Settings for Generate for Project...</code>

  * in the menu.<p>

  *

  * Provides support for setting a source path tagged value used in Java

  * round trip engineering.

  */

 public class SourcePathDialog extends ArgoDialog implements ActionListener {

     private SourcePathController srcPathCtrl = new SourcePathControllerImpl();

     private SourcePathTableModel srcPathTableModel =

         srcPathCtrl.getSourcePathSettings();

     private JTable srcPathTable;

     private JButton delButton;

     private ListSelectionModel rowSM;

     /**

      * The constructor.

      *

      */

     public SourcePathDialog() {

         super(

             Translator.localize("action.generate-code-for-project"),

             ArgoDialog.OK_CANCEL_OPTION,

             true);

         srcPathTable = new JTable();

         srcPathTable.setModel(srcPathTableModel);

         srcPathTable.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);

         // Hack: don't show first column, where the model element object is

         // placed.

         TableColumn elemCol = srcPathTable.getColumnModel().getColumn(0);

         elemCol.setMinWidth(0);

         elemCol.setMaxWidth(0);

         delButton = new JButton(Translator.localize("button.delete"));

         delButton.setEnabled(false);

         addButton(delButton, 0);

         rowSM = srcPathTable.getSelectionModel();

         rowSM.addListSelectionListener(new SelectionListener());

         delButton.addActionListener(this);

         setContent(new JScrollPane(srcPathTable));

     }

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

     // event handlers

     /*

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

      */

     public void actionPerformed(ActionEvent e) {

         super.actionPerformed(e);

         // OK Button ------------------------------------------

         if (e.getSource() == getOkButton()) {

             buttonOkActionPerformed();

         }

         // Delete Button

         if (e.getSource() == delButton) {

             deleteSelectedSettings();

         }

     }

     /**

      * The OK button is pressed.

      */

     private void buttonOkActionPerformed() {

         srcPathCtrl.setSourcePath(srcPathTableModel);

     }

     /**

      * Retrieve the selected rows indexes.

      */

     private int[] getSelectedIndexes() {

         int firstSelectedRow = rowSM.getMinSelectionIndex();

         int lastSelectedRow = rowSM.getMaxSelectionIndex();

         LinkedList selectedIndexesList = new LinkedList();

         int numSelectedRows = 0;

         for (int i = firstSelectedRow; i <= lastSelectedRow; i++) {

             if (rowSM.isSelectedIndex(i)) {

                 numSelectedRows++;

                 selectedIndexesList.add(Integer.valueOf(i));

             }

         }

         int[] indexes = new int[selectedIndexesList.size()];

         java.util.Iterator it = selectedIndexesList.iterator();

         for (int i = 0; i < indexes.length && it.hasNext(); i++) {

             indexes[i] = ((Integer) it.next()).intValue();

         }

         return indexes;

     }

     /**

      * Delete the source path settings of the selected table rows.

      */

     private void deleteSelectedSettings() {

         // find selected rows and make a list of the model elements

         // that are selected

         int[] selectedIndexes = getSelectedIndexes();

         // confirm with the user that he wants to delete, presenting the

         // list of settings to delete

         StringBuffer msg = new StringBuffer();

         msg.append(Translator.localize("dialog.source-path-del.question"));

         for (int i = 0; i < selectedIndexes.length; i++) {

             msg.append("\n");

             msg.append(srcPathTableModel.getMEName(selectedIndexes[i]));

             msg.append(" (");

             msg.append(srcPathTableModel.getMEType(selectedIndexes[i]));

             msg.append(")");

         }

         int res = JOptionPane.showConfirmDialog(this,

             msg.toString(),

             Translator.localize("dialog.title.source-path-del"),

             JOptionPane.OK_CANCEL_OPTION);

         if (res == JOptionPane.OK_OPTION) {

             // procede with the deletion in the model

             int firstSel = rowSM.getMinSelectionIndex();

             for (int i = 0; i < selectedIndexes.length && firstSel != -1; i++) {

                 srcPathCtrl.deleteSourcePath(srcPathTableModel

                         .getModelElement(firstSel));

                 srcPathTableModel.removeRow(firstSel);

                 firstSel = rowSM.getMinSelectionIndex();

             }

             // disable the button since no row will be selected now

             delButton.setEnabled(false);

         }

     }

     /**

      * Class that listens to selection events.

      */

     class SelectionListener implements ListSelectionListener {

         public void valueChanged(javax.swing.event.ListSelectionEvent e) {

             if (!delButton.isEnabled()) {

                 delButton.setEnabled(true);

             }

         }

     }

 } /* end class SourcePathDialog */