    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    }