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 * SystemPropertiesFrame.java
029 * --------------------------
030 * (C) Copyright 2000-2004, by Object Refinery Limited.
031 *
032 * Original Author: David Gilbert (for Object Refinery Limited);
033 * Contributor(s): -;
034 *
035 * $Id: SystemPropertiesFrame.java,v 1.5 2005/11/16 15:58:41 taqua Exp $
036 *
037 * Changes (from 26-Oct-2001)
038 * --------------------------
039 * 26-Oct-2001 : Changed package to com.jrefinery.ui (DG);
040 * 26-Nov-2001 : Made a separate class SystemPropertiesPanel.java (DG);
041 * 28-Feb-2002 : Moved to package com.jrefinery.ui.about (DG);
042 * 15-Mar-2002 : Modified to use a ResourceBundle for elements that require localisation (DG);
043 * 08-Oct-2002 : Fixed errors reported by Checkstyle (DG);
044 *
045 */
046
047 package org.jfree.ui.about;
048
049 import java.awt.BorderLayout;
050 import java.awt.event.ActionEvent;
051 import java.awt.event.ActionListener;
052 import java.util.ResourceBundle;
053
054 import javax.swing.BorderFactory;
055 import javax.swing.JButton;
056 import javax.swing.JFrame;
057 import javax.swing.JMenu;
058 import javax.swing.JMenuBar;
059 import javax.swing.JMenuItem;
060 import javax.swing.JPanel;
061 import javax.swing.WindowConstants;
062
063 /**
064 * A frame containing a table that displays the system properties for the current Java Virtual
065 * Machine (JVM). It is useful to incorporate this frame into an application for diagnostic
066 * purposes, since it provides a convenient means for the user to return configuration and
067 * version information when reporting problems.
068 *
069 * @author David Gilbert
070 */
071 public class SystemPropertiesFrame extends JFrame implements ActionListener {
072
073 /** Copy action command. */
074 private static final String COPY_COMMAND = "COPY";
075
076 /** Close action command. */
077 private static final String CLOSE_COMMAND = "CLOSE";
078
079 /** A system properties panel. */
080 private SystemPropertiesPanel panel;
081
082 /**
083 * Constructs a standard frame that displays system properties.
084 * <P>
085 * If a menu is requested, it provides a menu item that allows the user to copy the contents of
086 * the table to the clipboard in tab-delimited format.
087 *
088 * @param menu flag indicating whether or not the frame should display a menu to allow
089 * the user to copy properties to the clipboard.
090 */
091 public SystemPropertiesFrame(final boolean menu) {
092
093 final String baseName = "org.jfree.ui.about.resources.AboutResources";
094 final ResourceBundle resources = ResourceBundle.getBundle(baseName);
095
096 final String title = resources.getString("system-frame.title");
097 setTitle(title);
098
099 setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
100
101 if (menu) {
102 setJMenuBar(createMenuBar(resources));
103 }
104
105 final JPanel content = new JPanel(new BorderLayout());
106 this.panel = new SystemPropertiesPanel();
107 this.panel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
108
109 content.add(this.panel, BorderLayout.CENTER);
110
111 final JPanel buttonPanel = new JPanel(new BorderLayout());
112 buttonPanel.setBorder(BorderFactory.createEmptyBorder(5, 0, 0, 0));
113
114 final String label = resources.getString("system-frame.button.close");
115 final Character mnemonic = (Character) resources.getObject("system-frame.button.close.mnemonic");
116 final JButton closeButton = new JButton(label);
117 closeButton.setMnemonic(mnemonic.charValue());
118
119 closeButton.setActionCommand(CLOSE_COMMAND);
120 closeButton.addActionListener(this);
121
122 buttonPanel.add(closeButton, BorderLayout.EAST);
123 content.add(buttonPanel, BorderLayout.SOUTH);
124
125 setContentPane(content);
126
127 }
128
129 /**
130 * Handles action events generated by the user.
131 *
132 * @param e the event.
133 */
134 public void actionPerformed(final ActionEvent e) {
135
136 final String command = e.getActionCommand();
137 if (command.equals(CLOSE_COMMAND)) {
138 dispose();
139 }
140 else if (command.equals(COPY_COMMAND)) {
141 this.panel.copySystemPropertiesToClipboard();
142 }
143
144 }
145
146
147 /**
148 * Creates and returns a menu-bar for the frame.
149 *
150 * @param resources localised resources.
151 *
152 * @return a menu bar.
153 */
154 private JMenuBar createMenuBar(final ResourceBundle resources) {
155
156 final JMenuBar menuBar = new JMenuBar();
157
158 String label = resources.getString("system-frame.menu.file");
159 Character mnemonic = (Character) resources.getObject("system-frame.menu.file.mnemonic");
160 final JMenu fileMenu = new JMenu(label, true);
161 fileMenu.setMnemonic(mnemonic.charValue());
162
163 label = resources.getString("system-frame.menu.file.close");
164 mnemonic = (Character) resources.getObject("system-frame.menu.file.close.mnemonic");
165 final JMenuItem closeItem = new JMenuItem(label, mnemonic.charValue());
166 closeItem.setActionCommand(CLOSE_COMMAND);
167
168 closeItem.addActionListener(this);
169 fileMenu.add(closeItem);
170
171 label = resources.getString("system-frame.menu.edit");
172 mnemonic = (Character) resources.getObject("system-frame.menu.edit.mnemonic");
173 final JMenu editMenu = new JMenu(label);
174 editMenu.setMnemonic(mnemonic.charValue());
175
176 label = resources.getString("system-frame.menu.edit.copy");
177 mnemonic = (Character) resources.getObject("system-frame.menu.edit.copy.mnemonic");
178 final JMenuItem copyItem = new JMenuItem(label, mnemonic.charValue());
179 copyItem.setActionCommand(COPY_COMMAND);
180 copyItem.addActionListener(this);
181 editMenu.add(copyItem);
182
183 menuBar.add(fileMenu);
184 menuBar.add(editMenu);
185 return menuBar;
186
187 }
188
189 }