/* $Id: SettingsTabModules.java 17824 2010-01-12 18:48:34Z 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:

  *    mvw

  *****************************************************************************

  *

  * Some portions of this file was previously release using the BSD License:

  */

 // Copyright (c) 2004-2007 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.moduleloader;

 import java.awt.BorderLayout;

 import java.util.Iterator;

 import java.util.List;

 import javax.swing.JLabel;

 import javax.swing.JPanel;

 import javax.swing.JScrollPane;

 import javax.swing.JTable;

 import javax.swing.JTextField;

 import javax.swing.table.AbstractTableModel;

 import org.argouml.application.api.GUISettingsTabInterface;

 import org.argouml.i18n.Translator;

 import org.tigris.swidgets.LabelledLayout;

 /**

  * Tab for the settings dialog that makes it possible to

  * select the modules that are to be enabled.

  *

  * TODO: Header for the table.

  *

  * @author Linus Tolke

  */

 class SettingsTabModules extends JPanel

     implements GUISettingsTabInterface {

     /**

      * The table of modules.

      */

     private JTable table;

     private JTextField fieldAllExtDirs;

     /**

      * The names of the columns in the table.

      */

     private String[] columnNames = {

         Translator.localize("misc.column-name.module"), 

         Translator.localize("misc.column-name.enabled"),

     };

     /**

      * The objects representing the modules from the new module loader.

      */

     private Object[][] elements;

     /**

      * The constructor.

      */

     SettingsTabModules() {

         // The creation of the actual GUI elements is deferred until

         // they are actually needed. Otherwize we have problems

         // with the initialization.

     }

     /**

      * Table model for the table with modules.

      */

     class ModuleTableModel extends AbstractTableModel {

         /**

          * Constructor.

          */

         public ModuleTableModel() {

             Object[] arr = ModuleLoader2.allModules().toArray();

             elements = new Object[arr.length][2];

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

                 elements[i][0] = arr[i];

                 elements[i][1] =

                     Boolean.valueOf(ModuleLoader2.isSelected((String) arr[i]));

             }

         }

         /*

          * @see javax.swing.table.TableModel#getColumnCount()

          */

         public int getColumnCount() {

             return columnNames.length;

         }

         /*

          * @see javax.swing.table.TableModel#getColumnName(int)

          */

         public String getColumnName(int col) {

             return columnNames[col];

         }

         /*

          * @see javax.swing.table.TableModel#getRowCount()

          */

         public int getRowCount() {

             return elements.length;

         }

         /*

          * @see javax.swing.table.TableModel#getValueAt(int, int)

          */

         public Object getValueAt(int row, int col) {

             if (row < elements.length) {

                 return elements[row][col];

             } else {

                 return null;       

             }

         }

         /*

          * @see javax.swing.table.TableModel#setValueAt(

          *         java.lang.Object, int, int)

          */

         public void setValueAt(Object ob, int row, int col) {

             elements[row][col] = ob;

         }

         /*

          * @see javax.swing.table.TableModel#getColumnClass(int)

          */

         public Class getColumnClass(int col) {

             switch (col) {

             case 0:

                 return String.class;

             case 1:

                 return Boolean.class;

             default:

                 return null;

             }

         }

         /*

          * @see javax.swing.table.TableModel#isCellEditable(int, int)

          */

         public boolean isCellEditable(int row, int col) {

             return col >= 1 && row < elements.length;

         }

         /**

          * The UID.

          */

         private static final long serialVersionUID = -5970280716477119863L;

     }

     /*

      * @see GUISettingsTabInterface#handleSettingsTabRefresh()

      */

     public void handleSettingsTabRefresh() {

         table.setModel(new ModuleTableModel());

         StringBuffer sb = new StringBuffer();

         List locations = ModuleLoader2.getInstance().getExtensionLocations();

         for (Iterator it = locations.iterator(); it.hasNext();) {

             sb.append((String) it.next());

             sb.append("\n");

         }

         fieldAllExtDirs.setText(sb.substring(0, sb.length() - 1).toString());

     }

     /*

      * @see GUISettingsTabInterface#handleSettingsTabSave()

      */

     public void handleSettingsTabSave() {

         if (elements != null) {

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

                 ModuleLoader2.setSelected(

                         (String) elements[i][0],

                         ((Boolean) elements[i][1]).booleanValue());

             }

             ModuleLoader2.doLoad(false);

         }

     }

     /*

      * @see GUISettingsTabInterface#handleSettingsTabCancel()

      */

     public void handleSettingsTabCancel() {

         // Do nothing!

         // The next time we refresh, we will fetch the values again.

     }

     /*

      * @see GUISettingsTabInterface#getTabKey()

      */

     public String getTabKey() { return "tab.modules"; }

     /*

      * @see GUISettingsTabInterface#getTabPanel()

      */

     public JPanel getTabPanel() {

         if (table == null) {

             setLayout(new BorderLayout());

             table = new JTable(new ModuleTableModel());

             table.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);

             table.setShowVerticalLines(true);

             add(new JScrollPane(table), BorderLayout.CENTER);

             int labelGap = 10;

             int componentGap = 5;

             JPanel top = new JPanel(new LabelledLayout(labelGap, componentGap));

             JLabel label = new JLabel(

                     Translator.localize("label.extension-directories"));

             JTextField j = new JTextField();

             fieldAllExtDirs = j;

             fieldAllExtDirs.setEnabled(false);

             label.setLabelFor(fieldAllExtDirs);

             top.add(label);

             top.add(fieldAllExtDirs);

             add(top, BorderLayout.NORTH);

         }

         return this;

     }

     /**

      * The UID.

      */

     private static final long serialVersionUID = 8945027241102020504L;

     /*

      * @see org.argouml.ui.GUISettingsTabInterface#handleResetToDefault()

      */

     public void handleResetToDefault() {

         // Do nothing - these buttons are not shown.

     }

 }