1 /*
   2  * Copyright (c) 2006, 2007, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.tools.jconsole;
  27 
  28 import java.awt.*;
  29 import java.awt.event.*;
  30 import java.beans.PropertyVetoException;
  31 import java.net.URI;
  32 
  33 import javax.swing.*;
  34 import javax.swing.border.*;
  35 import javax.swing.event.*;
  36 
  37 import sun.tools.jconsole.resources.Messages;
  38 
  39 import static java.awt.BorderLayout.*;
  40 import static sun.tools.jconsole.Utilities.*;
  41 
  42 @SuppressWarnings("serial")
  43 public class AboutDialog extends InternalDialog {
  44 
  45     private static final Color textColor     = new Color(87,   88,  89);
  46     private static final Color bgColor       = new Color(232, 237, 241);
  47     private static final Color borderColor   = Color.black;
  48 
  49     private Icon mastheadIcon =
  50         new MastheadIcon(Messages.HELP_ABOUT_DIALOG_MASTHEAD_TITLE);
  51 
  52     private static AboutDialog aboutDialog;
  53 
  54     private JLabel statusBar;
  55     private Action closeAction;
  56 
  57     public AboutDialog(JConsole jConsole) {
  58         super(jConsole, Messages.HELP_ABOUT_DIALOG_TITLE, false);
  59 
  60         setAccessibleDescription(this, Messages.HELP_ABOUT_DIALOG_ACCESSIBLE_DESCRIPTION);
  61         setDefaultCloseOperation(HIDE_ON_CLOSE);
  62         setResizable(false);
  63         JComponent cp = (JComponent)getContentPane();
  64 
  65         createActions();
  66 
  67         JLabel mastheadLabel = new JLabel(mastheadIcon);
  68         setAccessibleName(mastheadLabel,
  69                 Messages.HELP_ABOUT_DIALOG_MASTHEAD_ACCESSIBLE_NAME);
  70 
  71         JPanel mainPanel = new TPanel(0, 0);
  72         mainPanel.add(mastheadLabel, NORTH);
  73 
  74         String jConsoleVersion = Version.getVersion();
  75         String vmName = System.getProperty("java.vm.name");
  76         String vmVersion = System.getProperty("java.vm.version");
  77         String urlStr = Messages.HELP_ABOUT_DIALOG_USER_GUIDE_LINK_URL;
  78         if (isBrowseSupported()) {
  79             urlStr = "<a style='color:#35556b' href=\"" + urlStr + "\">" + urlStr + "</a>";
  80         }
  81 
  82         JPanel infoAndLogoPanel = new JPanel(new BorderLayout(10, 10));
  83         infoAndLogoPanel.setBackground(bgColor);
  84 
  85         String colorStr = String.format("%06x", textColor.getRGB() & 0xFFFFFF);
  86         JEditorPane helpLink = new JEditorPane("text/html",
  87                                 "<html><font color=#"+ colorStr + ">" +
  88                         Resources.format(Messages.HELP_ABOUT_DIALOG_JCONSOLE_VERSION, jConsoleVersion) +
  89                 "<p>" + Resources.format(Messages.HELP_ABOUT_DIALOG_JAVA_VERSION, (vmName +", "+ vmVersion)) +
  90                 "<p>" + Resources.format(Messages.HELP_ABOUT_DIALOG_USER_GUIDE_LINK, urlStr) +
  91                                                  "</html>");
  92         helpLink.setOpaque(false);
  93         helpLink.setEditable(false);
  94         helpLink.setForeground(textColor);
  95         mainPanel.setBorder(BorderFactory.createLineBorder(borderColor));
  96         infoAndLogoPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
  97         helpLink.addHyperlinkListener(new HyperlinkListener() {
  98             public void hyperlinkUpdate(HyperlinkEvent e) {
  99                 if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
 100                     browse(e.getDescription());
 101                 }
 102             }
 103         });
 104         infoAndLogoPanel.add(helpLink, NORTH);
 105 
 106         ImageIcon brandLogoIcon = new ImageIcon(getClass().getResource("resources/brandlogo.png"));
 107         JLabel brandLogo = new JLabel(brandLogoIcon, JLabel.LEADING);
 108 
 109         JButton closeButton = new JButton(closeAction);
 110 
 111         JPanel bottomPanel = new TPanel(0, 0);
 112         JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.TRAILING));
 113         buttonPanel.setOpaque(false);
 114 
 115         mainPanel.add(infoAndLogoPanel, CENTER);
 116         cp.add(bottomPanel, SOUTH);
 117 
 118         infoAndLogoPanel.add(brandLogo, SOUTH);
 119 
 120         buttonPanel.setBorder(new EmptyBorder(2, 12, 2, 12));
 121         buttonPanel.add(closeButton);
 122         bottomPanel.add(buttonPanel, NORTH);
 123 
 124         statusBar = new JLabel(" ");
 125         bottomPanel.add(statusBar, SOUTH);
 126 
 127         cp.add(mainPanel, NORTH);
 128 
 129         pack();
 130         setLocationRelativeTo(jConsole);
 131         Utilities.updateTransparency(this);
 132     }
 133 
 134     public void showDialog() {
 135         statusBar.setText(" ");
 136         setVisible(true);
 137         try {
 138             // Bring to front of other dialogs
 139             setSelected(true);
 140         } catch (PropertyVetoException e) {
 141             // ignore
 142         }
 143     }
 144 
 145     private static AboutDialog getAboutDialog(JConsole jConsole) {
 146         if (aboutDialog == null) {
 147             aboutDialog = new AboutDialog(jConsole);
 148         }
 149         return aboutDialog;
 150     }
 151 
 152     static void showAboutDialog(JConsole jConsole) {
 153         getAboutDialog(jConsole).showDialog();
 154     }
 155 
 156     static void browseUserGuide(JConsole jConsole) {
 157         getAboutDialog(jConsole).browse(Messages.HELP_ABOUT_DIALOG_USER_GUIDE_LINK_URL);
 158     }
 159 
 160     static boolean isBrowseSupported() {
 161         return (Desktop.isDesktopSupported() &&
 162                 Desktop.getDesktop().isSupported(Desktop.Action.BROWSE));
 163     }
 164 
 165     void browse(String urlStr) {
 166         try {
 167             Desktop.getDesktop().browse(new URI(urlStr));
 168         } catch (Exception ex) {
 169             showDialog();
 170             statusBar.setText(ex.getLocalizedMessage());
 171             if (JConsole.isDebug()) {
 172                 ex.printStackTrace();
 173             }
 174         }
 175     }
 176 
 177     private void createActions() {
 178         closeAction = new AbstractAction(Messages.CLOSE) {
 179             public void actionPerformed(ActionEvent ev) {
 180                 setVisible(false);
 181                 statusBar.setText("");
 182             }
 183         };
 184     }
 185 
 186     private static class TPanel extends JPanel {
 187         TPanel(int hgap, int vgap) {
 188             super(new BorderLayout(hgap, vgap));
 189             setOpaque(false);
 190         }
 191     }
 192 }