AboutDialog.java

/*******************************************************************************
 * Mission Control Technologies, Copyright (c) 2009-2012, United States Government
 * as represented by the Administrator of the National Aeronautics and Space 
 * Administration. All rights reserved.
 *
 * The MCT platform is licensed under the Apache License, Version 2.0 (the 
 * "License"); you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * http://www.apache.org/licenses/LICENSE-2.0.
 *
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 
 * License for the specific language governing permissions and limitations under 
 * the License.
 *
 * MCT includes source code licensed under additional open source licenses. See 
 * the MCT Open Source Licenses file included with this distribution or the About 
 * MCT Licenses dialog available at runtime from the MCT Help menu for additional 
 * information. 
 *******************************************************************************/
/**
 * AboutDialog.java Aug 18, 2008
 * 
 * This code is property of the National Aeronautics and Space Administration
 * and was produced for the Mission Control Technologies (MCT) Project.
 * 
 */
package gov.nasa.arc.mct.gui.dialogs;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.MessageFormat;
import java.util.Properties;
import java.util.ResourceBundle;

import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.border.EmptyBorder;

@SuppressWarnings("serial")
public class AboutDialog extends JDialog {

    private static final ResourceBundle BUNDLE = ResourceBundle.getBundle("AboutResource");
    private static ImageIcon mctLogoIcon = new ImageIcon(AboutDialog.class.getResource("/images/mctlogo.png"));

    public static final String MCT_VERSION  = "mct.version";
    public static final String MCT_BUILD    = "mct.build";
    public static final String MCT_REVISION = "mct.revision";
    
    public AboutDialog(JFrame frame) {
        super(frame);
        setDefaultCloseOperation(DISPOSE_ON_CLOSE);

        Image image = mctLogoIcon.getImage().getScaledInstance(320, 80, Image.SCALE_SMOOTH);
        JLabel label = new JLabel(new ImageIcon(image));
        JPanel labelPanel = new JPanel();
        labelPanel.setBackground(Color.white);
        labelPanel.add(label, BorderLayout.CENTER);
        labelPanel.setBorder(new EmptyBorder(5,5,5,5));
        Container contentPane = getContentPane();
        contentPane.setLayout(new BorderLayout());
        
        contentPane.add(labelPanel, BorderLayout.NORTH);
        
        // Modified the AboutDialog to add the Version and Build numbers to the screen - JOe...        
        Properties version = getVersionProperties();
        String versioning = MessageFormat.format(BUNDLE.getString("Versioning"),
                                truncate(version.getProperty(MCT_VERSION),  16),
                                truncate(version.getProperty(MCT_BUILD),    16),
                                truncate(version.getProperty(MCT_REVISION), 16));
        String about     = BUNDLE.getString("About");
                
        JTextArea license = new JTextArea(120, 100);
        license.setText(versioning + about);
        license.setLineWrap(true);
        license.setWrapStyleWord(true);
        license.setEditable(false);
        JPanel licensePanel = new JPanel(new GridLayout(0,  1));
        licensePanel.add(license);
        licensePanel.setBackground(Color.white);
        licensePanel.setBorder(BorderFactory.createEmptyBorder(20,40, 20, 40));
        
        contentPane.add(licensePanel, BorderLayout.CENTER);
        
        JPanel panel = new JPanel();
        panel.setBackground(Color.white);
        JButton close = new JButton("Close");
        close.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                AboutDialog.this.setVisible(false);
            }

        });
        panel.add(close);
        contentPane.add(panel, BorderLayout.SOUTH);
        setBackground(Color.WHITE);
        setSize(480, 600);
        setResizable(false);
        setLocationRelativeTo(frame);
        setTitle("About MCT");
    }
    
    private static Properties versionProperties = null;
    public static Properties getVersionProperties() {
        
        if (versionProperties == null) {
            versionProperties = new Properties();
            try {            
                versionProperties.load(ClassLoader.getSystemResourceAsStream("properties/version.properties"));            
            } catch (Exception e) {
                versionProperties.setProperty(MCT_VERSION, "unknown (missing version.properties)");
                versionProperties.setProperty(MCT_BUILD, "unknown (missing version.properties)");
                versionProperties.setProperty(MCT_REVISION, "unknown (missing version.properties)");
            }
        }
        
        return versionProperties;
        
    }
    
    public static String getBuildNumber() {
        return getVersionProperties().getProperty(MCT_BUILD);
    }
    
    private String truncate (String string, int length) {
        if (string == null) return "null";
        return (string.length() <= length) ? string : (string.substring(0, length) + "...");
    }

}