content: /* ========================================================================
   * JCommon : a free general purpose class library for the Java(tm) platform
   * ========================================================================
   *
   * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jcommon/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
   * in the United States and other countries.]
   *
   * --------------------------
   * SystemPropertiesFrame.java
   * --------------------------
   * (C) Copyright 2000-2008, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * $Id: SystemPropertiesFrame.java,v 1.7 2008/12/18 09:57:32 mungady Exp $
   *
   * Changes (from 26-Oct-2001)
   * --------------------------
   * 26-Oct-2001 : Changed package to com.jrefinery.ui (DG);
   * 26-Nov-2001 : Made a separate class SystemPropertiesPanel.java (DG);
   * 28-Feb-2002 : Moved to package com.jrefinery.ui.about (DG);
   * 15-Mar-2002 : Modified to use a ResourceBundle for elements that require
   *               localisation (DG);
   * 08-Oct-2002 : Fixed errors reported by Checkstyle (DG);
   * 18-Dec-2008 : Use ResourceBundleWrapper - see JFreeChart patch 1607918 by
   *               Jess Thrysoee (DG);
   *
   */
  
  package org.jfree.ui.about;
  
  import java.awt.BorderLayout;
  import java.awt.event.ActionEvent;
  import java.awt.event.ActionListener;
  import java.util.ResourceBundle;
  
  import javax.swing.BorderFactory;
  import javax.swing.JButton;
  import javax.swing.JFrame;
  import javax.swing.JMenu;
  import javax.swing.JMenuBar;
  import javax.swing.JMenuItem;
  import javax.swing.JPanel;
  import javax.swing.WindowConstants;
  
  import org.jfree.util.ResourceBundleWrapper;
  
  /**
   * A frame containing a table that displays the system properties for the
   * current Java Virtual Machine (JVM).  It is useful to incorporate this frame
   * into an application for diagnostic purposes, since it provides a convenient
   * means for the user to return configuration and version information when
   * reporting problems.
   *
   * @author David Gilbert
   */
  public class SystemPropertiesFrame extends JFrame implements ActionListener {
  
      /** Copy action command. */
      private static final String COPY_COMMAND = "COPY";
  
      /** Close action command. */
      private static final String CLOSE_COMMAND = "CLOSE";
  
      /** A system properties panel. */
      private SystemPropertiesPanel panel;
  
      /**
       * Constructs a standard frame that displays system properties.
       * <P>
       * If a menu is requested, it provides a menu item that allows the user to
       * copy the contents of the table to the clipboard in tab-delimited format.
       *
       * @param menu  flag indicating whether or not the frame should display a
       *              menu to allow the user to copy properties to the clipboard.
       */
      public SystemPropertiesFrame(final boolean menu) {
  
          final String baseName = "org.jfree.ui.about.resources.AboutResources";
          final ResourceBundle resources = ResourceBundleWrapper.getBundle(
                  baseName);
  
          final String title = resources.getString("system-frame.title");
          setTitle(title);
  
          setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
  
          if (menu) {
              setJMenuBar(createMenuBar(resources));
          }
  
          final JPanel content = new JPanel(new BorderLayout());
          this.panel = new SystemPropertiesPanel();
          this.panel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
  
          content.add(this.panel, BorderLayout.CENTER);
  
          final JPanel buttonPanel = new JPanel(new BorderLayout());
          buttonPanel.setBorder(BorderFactory.createEmptyBorder(5, 0, 0, 0));
  
          final String label = resources.getString("system-frame.button.close");
          final Character mnemonic = (Character) resources.getObject(
                  "system-frame.button.close.mnemonic");
          final JButton closeButton = new JButton(label);
          closeButton.setMnemonic(mnemonic.charValue());
  
          closeButton.setActionCommand(CLOSE_COMMAND);
          closeButton.addActionListener(this);
  
          buttonPanel.add(closeButton, BorderLayout.EAST);
          content.add(buttonPanel, BorderLayout.SOUTH);
  
          setContentPane(content);
  
      }
  
      /**
       * Handles action events generated by the user.
       *
       * @param e  the event.
       */
      public void actionPerformed(final ActionEvent e) {
  
          final String command = e.getActionCommand();
          if (command.equals(CLOSE_COMMAND)) {
              dispose();
          }
          else if (command.equals(COPY_COMMAND)) {
              this.panel.copySystemPropertiesToClipboard();
          }
  
      }
  
  
      /**
       * Creates and returns a menu-bar for the frame.
       *
       * @param resources  localised resources.
       *
       * @return a menu bar.
       */
      private JMenuBar createMenuBar(final ResourceBundle resources) {
  
          final JMenuBar menuBar = new JMenuBar();
  
          String label = resources.getString("system-frame.menu.file");
          Character mnemonic = (Character) resources.getObject(
                  "system-frame.menu.file.mnemonic");
          final JMenu fileMenu = new JMenu(label, true);
          fileMenu.setMnemonic(mnemonic.charValue());
  
          label = resources.getString("system-frame.menu.file.close");
          mnemonic = (Character) resources.getObject(
                  "system-frame.menu.file.close.mnemonic");
          final JMenuItem closeItem = new JMenuItem(label, mnemonic.charValue());
          closeItem.setActionCommand(CLOSE_COMMAND);
  
          closeItem.addActionListener(this);
          fileMenu.add(closeItem);
  
          label = resources.getString("system-frame.menu.edit");
          mnemonic = (Character) resources.getObject(
                  "system-frame.menu.edit.mnemonic");
          final JMenu editMenu = new JMenu(label);
          editMenu.setMnemonic(mnemonic.charValue());
  
          label = resources.getString("system-frame.menu.edit.copy");
          mnemonic = (Character) resources.getObject(
                  "system-frame.menu.edit.copy.mnemonic");
          final JMenuItem copyItem = new JMenuItem(label, mnemonic.charValue());
          copyItem.setActionCommand(COPY_COMMAND);
          copyItem.addActionListener(this);
          editMenu.add(copyItem);
  
          menuBar.add(fileMenu);
          menuBar.add(editMenu);
          return menuBar;
  
      }
  
  }
  