001    /* ========================================================================
002     * JCommon : a free general purpose class library for the Java(tm) platform
003     * ========================================================================
004     *
005     * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006     * 
007     * Project Info:  http://www.jfree.org/jcommon/index.html
008     *
009     * This library is free software; you can redistribute it and/or modify it 
010     * under the terms of the GNU Lesser General Public License as published by 
011     * the Free Software Foundation; either version 2.1 of the License, or 
012     * (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but 
015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
017     * License for more details.
018     *
019     * You should have received a copy of the GNU Lesser General Public
020     * License along with this library; if not, write to the Free Software
021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
022     * USA.  
023     *
024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
025     * in the United States and other countries.]
026     * 
027     * ---------------
028     * AboutPanel.java
029     * ---------------
030     * (C) Copyright 2001-2004, by Object Refinery Limited.
031     *
032     * Original Author:  David Gilbert (for Object Refinery Limited);
033     * Contributor(s):   -;
034     *
035     * $Id: AboutPanel.java,v 1.5 2006/03/23 19:47:05 taqua Exp $
036     *
037     * Changes (from 26-Oct-2001)
038     * --------------------------
039     * 26-Nov-2001 : Version 1 (DG);
040     * 27-Jun-2002 : Added logo (DG);
041     * 08-Oct-2002 : Fixed errors reported by Checkstyle (DG);
042     *
043     */
044    
045    package org.jfree.ui.about;
046    
047    import java.awt.BorderLayout;
048    import java.awt.Color;
049    import java.awt.Font;
050    import java.awt.GridLayout;
051    import java.awt.Image;
052    
053    import javax.swing.BorderFactory;
054    import javax.swing.JLabel;
055    import javax.swing.JPanel;
056    import javax.swing.SwingConstants;
057    
058    import org.jfree.ui.RefineryUtilities;
059    
060    /**
061     * A standard panel for displaying information about an application.
062     *
063     * @author David Gilbert
064     */
065    public class AboutPanel extends JPanel {
066    
067        /**
068         * Constructs a panel.
069         *
070         * @param application  the application name.
071         * @param version  the version.
072         * @param copyright  the copyright statement.
073         * @param info  other info.
074         */
075        public AboutPanel(final String application,
076                          final String version,
077                          final String copyright,
078                          final String info) {
079    
080            this(application, version, copyright, info, null);
081    
082        }
083    
084        /**
085         * Constructs a panel.
086         *
087         * @param application  the application name.
088         * @param version  the version.
089         * @param copyright  the copyright statement.
090         * @param info  other info.
091         * @param logo  an optional logo.
092         */
093        public AboutPanel(final String application,
094                          final String version,
095                          final String copyright,
096                          final String info,
097                          final Image logo) {
098    
099            setLayout(new BorderLayout());
100    
101            final JPanel textPanel = new JPanel(new GridLayout(4, 1, 0, 4));
102    
103            final JPanel appPanel = new JPanel();
104            final Font f1 = new Font("Dialog", Font.BOLD, 14);
105            final JLabel appLabel = RefineryUtilities.createJLabel(application, f1, Color.black);
106            appLabel.setHorizontalTextPosition(SwingConstants.CENTER);
107            appPanel.add(appLabel);
108    
109            final JPanel verPanel = new JPanel();
110            final Font f2 = new Font("Dialog", Font.PLAIN, 12);
111            final JLabel verLabel = RefineryUtilities.createJLabel(version, f2, Color.black);
112            verLabel.setHorizontalTextPosition(SwingConstants.CENTER);
113            verPanel.add(verLabel);
114    
115            final JPanel copyrightPanel = new JPanel();
116            final JLabel copyrightLabel = RefineryUtilities.createJLabel(copyright, f2, Color.black);
117            copyrightLabel.setHorizontalTextPosition(SwingConstants.CENTER);
118            copyrightPanel.add(copyrightLabel);
119    
120            final JPanel infoPanel = new JPanel();
121            final JLabel infoLabel = RefineryUtilities.createJLabel(info, f2, Color.black);
122            infoLabel.setHorizontalTextPosition(SwingConstants.CENTER);
123            infoPanel.add(infoLabel);
124    
125            textPanel.add(appPanel);
126            textPanel.add(verPanel);
127            textPanel.add(copyrightPanel);
128            textPanel.add(infoPanel);
129    
130            add(textPanel);
131    
132            if (logo != null) {
133                final JPanel imagePanel = new JPanel(new BorderLayout());
134                imagePanel.add(new javax.swing.JLabel(new javax.swing.ImageIcon(logo)));
135                imagePanel.setBorder(BorderFactory.createLineBorder(Color.black));
136                final JPanel imageContainer = new JPanel(new BorderLayout());
137                imageContainer.add(imagePanel, BorderLayout.NORTH);
138                add(imageContainer, BorderLayout.WEST);
139            }
140    
141        }
142    
143    }