    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
    050package org.jfree.ui.about;
    051
    052import java.awt.BorderLayout;
    053import java.awt.event.ActionEvent;
    054import java.awt.event.ActionListener;
    055import java.util.ResourceBundle;
    056
    057import javax.swing.BorderFactory;
    058import javax.swing.JButton;
    059import javax.swing.JFrame;
    060import javax.swing.JMenu;
    061import javax.swing.JMenuBar;
    062import javax.swing.JMenuItem;
    063import javax.swing.JPanel;
    064import javax.swing.WindowConstants;
    065
    066import 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 */
    077public 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}