001    /**
002     * planningtool - A Planning Tool with Critiquing Support.
003     * 
004     * Copyright (C) 2006 olale
005    
006     * This program is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU General Public License
008     * as published by the Free Software Foundation; either version 2
009     * of the License, or (at your option) any later version.
010    
011     * This program is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014     * GNU General Public License for more details.
015    
016     * You should have received a copy of the GNU General Public License
017     * along with this program; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019    
020     * Contact information: 
021     * E-mail: olale@ida.liu.se
022     *         olale@lysator.liu.se
023     */
024    package se.liu.ida.critiquer.gui;
025    
026    import java.awt.Component;
027    import java.awt.event.MouseAdapter;
028    import java.awt.event.MouseEvent;
029    
030    import javax.swing.JCheckBox;
031    import javax.swing.JList;
032    import javax.swing.ListCellRenderer;
033    import javax.swing.ListModel;
034    import javax.swing.ListSelectionModel;
035    import javax.swing.border.Border;
036    import javax.swing.border.EmptyBorder;
037    
038    public class CheckBoxList extends JList {
039       /**
040             * 
041             */
042            private static final long serialVersionUID = 1L;
043    protected static Border noFocusBorder =
044                                     new EmptyBorder(1, 1, 1, 1);
045    
046       
047       /**
048        * @param dataModel
049        */
050       public CheckBoxList(ListModel dataModel) {
051               super(dataModel);
052               init();
053       }
054    
055       public CheckBoxList() {
056               init();
057       }
058    
059    private void init() {
060            setCellRenderer(new CellRenderer());
061               
062               addMouseListener(new MouseAdapter()
063                                {
064                       public void mousePressed(MouseEvent e)
065                       {
066                               int index = locationToIndex(e.getPoint());
067                               
068                               if (index != -1) {
069                                       JCheckBox checkbox = (JCheckBox)
070                                       getModel().getElementAt(index);
071                                       checkbox.setSelected(
072                                                            !checkbox.isSelected());
073                                       repaint();
074                               }
075                       }
076                                }
077               );
078               
079          setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
080    }
081    
082       protected class CellRenderer implements ListCellRenderer
083       {
084          public Component getListCellRendererComponent(
085                        JList list, Object value, int index,
086                        boolean isSelected, boolean cellHasFocus)
087          {
088             return (JCheckBox) value;
089          }
090       }
091    }
092