001    /* ========================================================================
002     * JCommon : a free general purpose class library for the Java(tm) platform
003     * ========================================================================
004     *
005     * (C) Copyright 2000-2008, 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 2000-2008, by Object Refinery Limited.
031     *
032     * Original Author:  David Gilbert (for Object Refinery Limited);
033     * Contributor(s):   -;
034     *
035     * $Id: SystemPropertiesFrame.java,v 1.7 2008/12/18 09:57:32 mungady 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
043     *               localisation (DG);
044     * 08-Oct-2002 : Fixed errors reported by Checkstyle (DG);
045     * 18-Dec-2008 : Use ResourceBundleWrapper - see JFreeChart patch 1607918 by
046     *               Jess Thrysoee (DG);
047     *
048     */
049    
050    package org.jfree.ui.about;
051    
052    import java.awt.BorderLayout;
053    import java.awt.event.ActionEvent;
054    import java.awt.event.ActionListener;
055    import java.util.ResourceBundle;
056    
057    import javax.swing.BorderFactory;
058    import javax.swing.JButton;
059    import javax.swing.JFrame;
060    import javax.swing.JMenu;
061    import javax.swing.JMenuBar;
062    import javax.swing.JMenuItem;
063    import javax.swing.JPanel;
064    import javax.swing.WindowConstants;
065    
066    import org.jfree.util.ResourceBundleWrapper;
067    
068    /**
069     * A frame containing a table that displays the system properties for the
070     * current Java Virtual Machine (JVM).  It is useful to incorporate this frame
071     * into an application for diagnostic purposes, since it provides a convenient
072     * means for the user to return configuration and version information when
073     * reporting problems.
074     *
075     * @author David Gilbert
076     */
077    public class SystemPropertiesFrame extends JFrame implements ActionListener {
078    
079        /** Copy action command. */
080        private static final String COPY_COMMAND = "COPY";
081    
082        /** Close action command. */
083        private static final String CLOSE_COMMAND = "CLOSE";
084    
085        /** A system properties panel. */
086        private SystemPropertiesPanel panel;
087    
088        /**
089         * Constructs a standard frame that displays system properties.
090         * <P>
091         * If a menu is requested, it provides a menu item that allows the user to
092         * copy the contents of the table to the clipboard in tab-delimited format.
093         *
094         * @param menu  flag indicating whether or not the frame should display a
095         *              menu to allow the user to copy properties to the clipboard.
096         */
097        public SystemPropertiesFrame(final boolean menu) {
098    
099            final String baseName = "org.jfree.ui.about.resources.AboutResources";
100            final ResourceBundle resources = ResourceBundleWrapper.getBundle(
101                    baseName);
102    
103            final String title = resources.getString("system-frame.title");
104            setTitle(title);
105    
106            setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
107    
108            if (menu) {
109                setJMenuBar(createMenuBar(resources));
110            }
111    
112            final JPanel content = new JPanel(new BorderLayout());
113            this.panel = new SystemPropertiesPanel();
114            this.panel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
115    
116            content.add(this.panel, BorderLayout.CENTER);
117    
118            final JPanel buttonPanel = new JPanel(new BorderLayout());
119            buttonPanel.setBorder(BorderFactory.createEmptyBorder(5, 0, 0, 0));
120    
121            final String label = resources.getString("system-frame.button.close");
122            final Character mnemonic = (Character) resources.getObject(
123                    "system-frame.button.close.mnemonic");
124            final JButton closeButton = new JButton(label);
125            closeButton.setMnemonic(mnemonic.charValue());
126    
127            closeButton.setActionCommand(CLOSE_COMMAND);
128            closeButton.addActionListener(this);
129    
130            buttonPanel.add(closeButton, BorderLayout.EAST);
131            content.add(buttonPanel, BorderLayout.SOUTH);
132    
133            setContentPane(content);
134    
135        }
136    
137        /**
138         * Handles action events generated by the user.
139         *
140         * @param e  the event.
141         */
142        public void actionPerformed(final ActionEvent e) {
143    
144            final String command = e.getActionCommand();
145            if (command.equals(CLOSE_COMMAND)) {
146                dispose();
147            }
148            else if (command.equals(COPY_COMMAND)) {
149                this.panel.copySystemPropertiesToClipboard();
150            }
151    
152        }
153    
154    
155        /**
156         * Creates and returns a menu-bar for the frame.
157         *
158         * @param resources  localised resources.
159         *
160         * @return a menu bar.
161         */
162        private JMenuBar createMenuBar(final ResourceBundle resources) {
163    
164            final JMenuBar menuBar = new JMenuBar();
165    
166            String label = resources.getString("system-frame.menu.file");
167            Character mnemonic = (Character) resources.getObject(
168                    "system-frame.menu.file.mnemonic");
169            final JMenu fileMenu = new JMenu(label, true);
170            fileMenu.setMnemonic(mnemonic.charValue());
171    
172            label = resources.getString("system-frame.menu.file.close");
173            mnemonic = (Character) resources.getObject(
174                    "system-frame.menu.file.close.mnemonic");
175            final JMenuItem closeItem = new JMenuItem(label, mnemonic.charValue());
176            closeItem.setActionCommand(CLOSE_COMMAND);
177    
178            closeItem.addActionListener(this);
179            fileMenu.add(closeItem);
180    
181            label = resources.getString("system-frame.menu.edit");
182            mnemonic = (Character) resources.getObject(
183                    "system-frame.menu.edit.mnemonic");
184            final JMenu editMenu = new JMenu(label);
185            editMenu.setMnemonic(mnemonic.charValue());
186    
187            label = resources.getString("system-frame.menu.edit.copy");
188            mnemonic = (Character) resources.getObject(
189                    "system-frame.menu.edit.copy.mnemonic");
190            final JMenuItem copyItem = new JMenuItem(label, mnemonic.charValue());
191            copyItem.setActionCommand(COPY_COMMAND);
192            copyItem.addActionListener(this);
193            editMenu.add(copyItem);
194    
195            menuBar.add(fileMenu);
196            menuBar.add(editMenu);
197            return menuBar;
198    
199        }
200    
201    }