tutorial.java

纯java操作系统jnode,安装简单和操作简单的个人使用的Java操作系统

/* class Tutorial
 *
 * R Pitman, 2003
 * Last updated: 20 June, 2003.
 *
 * This class performs a general test of the functionality of the
 * CHARVA library.
 */

package charva.awt;

import charva.awt.event.ActionEvent;
import charva.awt.event.ActionListener;
import charva.awt.event.FocusEvent;
import charva.awt.event.FocusListener;
import charva.awt.event.ItemEvent;
import charva.awt.event.ItemListener;
import charva.awt.event.KeyEvent;
import charva.awt.event.KeyListener;
import charva.awt.util.CapsTextField;
import charvax.swing.BoxLayout;
import charvax.swing.ButtonGroup;
import charvax.swing.DefaultListModel;
import charvax.swing.JButton;
import charvax.swing.JCheckBox;
import charvax.swing.JComboBox;
import charvax.swing.JDialog;
import charvax.swing.JFileChooser;
import charvax.swing.JFrame;
import charvax.swing.JLabel;
import charvax.swing.JList;
import charvax.swing.JMenu;
import charvax.swing.JMenuBar;
import charvax.swing.JMenuItem;
import charvax.swing.JOptionPane;
import charvax.swing.JPanel;
import charvax.swing.JPasswordField;
import charvax.swing.JProgressBar;
import charvax.swing.JRadioButton;
import charvax.swing.JScrollPane;
import charvax.swing.JTabbedPane;
import charvax.swing.JTable;
import charvax.swing.JTextArea;
import charvax.swing.JTextField;
import charvax.swing.ListSelectionModel;
import charvax.swing.SwingUtilities;
import charvax.swing.border.EmptyBorder;
import charvax.swing.border.LineBorder;
import charvax.swing.border.TitledBorder;
import charvax.swing.event.ListDataEvent;
import charvax.swing.event.ListDataListener;
import charvax.swing.event.ListSelectionEvent;
import charvax.swing.event.ListSelectionListener;

class Tutorial extends JFrame implements ActionListener {

    //private JTextField tf;

    public Tutorial() {
        super("Charva Demo - copyright R Pitman, 2003");
        setForeground(Color.green);
        setBackground(Color.black);
        Container contentPane = getContentPane();
        contentPane.setLayout(new BorderLayout());

        JMenuBar menubar = new JMenuBar();
        JMenu jMenuFile = new JMenu("File");
        jMenuFile.setMnemonic('F');

        JMenuItem jMenuItemFileChooser = new JMenuItem("JFileChooser", 'F');
        jMenuItemFileChooser.addActionListener(this);
        jMenuFile.add(jMenuItemFileChooser);

        JMenuItem jMenuItemCustomFileChooser = new JMenuItem(
                "custom FileChooser", 'c');
        jMenuItemCustomFileChooser.addActionListener(this);
        jMenuFile.add(jMenuItemCustomFileChooser);

        jMenuFile.addSeparator();

        JMenuItem jMenuItemFileExit = new JMenuItem("Exit", 'x');
        jMenuItemFileExit.addActionListener(this);
        jMenuFile.add(jMenuItemFileExit);

        JMenu jMenuLayout = new JMenu("Layouts");
        jMenuLayout.setMnemonic('L');
        JMenuItem jMenuItemLayoutNull = new JMenuItem("Null Layout");
        jMenuItemLayoutNull.setMnemonic('N');
        jMenuItemLayoutNull.addActionListener(this);
        jMenuLayout.add(jMenuItemLayoutNull);

        jMenuLayout.addSeparator();

        JMenuItem jMenuItemLayoutMisc = new JMenuItem("Miscellaneous Layouts");
        jMenuItemLayoutMisc.setMnemonic('M');
        jMenuItemLayoutMisc.addActionListener(this);
        jMenuLayout.add(jMenuItemLayoutMisc);

        JMenuItem jMenuItemLayoutColor = new JMenuItem("Layouts in Color");
        jMenuItemLayoutColor.setMnemonic('C');
        jMenuItemLayoutColor.addActionListener(this);
        jMenuLayout.add(jMenuItemLayoutColor);

        JMenuItem jMenuItemLayoutGBL = new JMenuItem("GridBagLayout");
        jMenuItemLayoutGBL.setMnemonic('G');
        jMenuItemLayoutGBL.addActionListener(this);
        jMenuLayout.add(jMenuItemLayoutGBL);

        JMenu jMenuContainers = new JMenu("Containers");
        jMenuContainers.setMnemonic('C');

        JMenuItem jMenuItemContainerJTabbedPane = new JMenuItem("JTabbedPane");
        jMenuItemContainerJTabbedPane.setMnemonic('T');
        jMenuItemContainerJTabbedPane.addActionListener(this);
        jMenuContainers.add(jMenuItemContainerJTabbedPane);

        JMenu jMenuItemContainerJOptionPane = new JMenu("JOptionPane...");
        jMenuItemContainerJOptionPane.setMnemonic('O');
        jMenuContainers.add(jMenuItemContainerJOptionPane);

        JMenuItem jMenuItemShowMessageDialog = new JMenuItem(
                "showMessageDialog");
        jMenuItemShowMessageDialog.addActionListener(this);
        jMenuItemContainerJOptionPane.add(jMenuItemShowMessageDialog);

        JMenuItem jMenuItemShowConfirmDialog = new JMenuItem(
                "showConfirmDialog");
        jMenuItemShowConfirmDialog.addActionListener(this);
        jMenuItemContainerJOptionPane.add(jMenuItemShowConfirmDialog);

        JMenuItem jMenuItemShowInputDialog = new JMenuItem("showInputDialog");
        jMenuItemShowInputDialog.addActionListener(this);
        jMenuItemContainerJOptionPane.add(jMenuItemShowInputDialog);

        JMenuItem jMenuItemShowCustomInputDialog = new JMenuItem(
                "show Custom InputDialog");
        jMenuItemShowCustomInputDialog.addActionListener(this);
        jMenuItemContainerJOptionPane.add(jMenuItemShowCustomInputDialog);

        JMenu jMenuWidgets = new JMenu("Widgets");
        jMenuWidgets.setMnemonic('W');

        JMenuItem jMenuItemWidgetText = new JMenuItem("Text components");
        jMenuItemWidgetText.setMnemonic('T');
        jMenuItemWidgetText.addActionListener(this);
        jMenuWidgets.add(jMenuItemWidgetText);

        JMenuItem jMenuItemWidgetSelection = new JMenuItem(
                "Selection components");
        jMenuItemWidgetSelection.setMnemonic('S');
        jMenuItemWidgetSelection.addActionListener(this);
        jMenuWidgets.add(jMenuItemWidgetSelection);

        JMenuItem jMenuItemWidgetButtons = new JMenuItem("Buttons");
        jMenuItemWidgetButtons.setMnemonic('B');
        jMenuItemWidgetButtons.addActionListener(this);
        jMenuWidgets.add(jMenuItemWidgetButtons);

        JMenuItem jMenuItemWidgetJTable = new JMenuItem("JTable");
        jMenuItemWidgetJTable.setMnemonic('J');
        jMenuItemWidgetJTable.addActionListener(this);
        jMenuWidgets.add(jMenuItemWidgetJTable);

        JMenu jMenuEvents = new JMenu("Events");
        jMenuEvents.setMnemonic('E');

        JMenuItem jMenuItemKeyEvents = new JMenuItem("KeyEvents");
        jMenuItemKeyEvents.setMnemonic('K');
        jMenuItemKeyEvents.addActionListener(this);
        jMenuEvents.add(jMenuItemKeyEvents);

        JMenuItem jMenuItemFocusEvents = new JMenuItem("FocusEvents");
        jMenuItemFocusEvents.setMnemonic('F');
        jMenuItemFocusEvents.addActionListener(this);
        jMenuEvents.add(jMenuItemFocusEvents);

        JMenu jMenuThreads = new JMenu("Threads");
        jMenuThreads.setMnemonic('T');

        JMenuItem jMenuItemProgressBar = new JMenuItem("JProgressBar");
        jMenuItemProgressBar.setMnemonic('P');
        jMenuItemProgressBar.addActionListener(this);
        jMenuThreads.add(jMenuItemProgressBar);

        menubar.add(jMenuFile);
        menubar.add(jMenuLayout);
        menubar.add(jMenuContainers);
        menubar.add(jMenuWidgets);
        menubar.add(jMenuEvents);
        menubar.add(jMenuThreads);

        setJMenuBar(menubar);

        JPanel labelPanel = new JPanel();
        labelPanel.setLayout(new BoxLayout(labelPanel, BoxLayout.Y_AXIS));
        labelPanel.add(new JLabel(
                "Use LEFT and RIGHT cursor keys to select a menu."));
        labelPanel.add(new JLabel("Use ENTER to invoke a menu or menu-item."));
        labelPanel.add(new JLabel("(You can also use the "
                + "underlined \"mnemonic key\" to invoke a menu.)"));
        labelPanel.add(new JLabel("Use BACKSPACE or ESC to dismiss a menu."));
        contentPane.add(labelPanel, BorderLayout.SOUTH);

        setLocation(0, 0);
        setSize(80, 24);
        validate();
    }

    public static void main(String[] args) throws Exception {
        Tutorial testwin = new Tutorial();
        testwin.show();
        Toolkit.getDefaultToolkit().waitTillFinished();
    }

    public void actionPerformed(ActionEvent ae_) {
        String actionCommand = ae_.getActionCommand();
        if (actionCommand.equals("Exit")) {
            hide();
            Toolkit.getDefaultToolkit().close();
            //System.gc(); // so that HPROF reports only live objects.
            //System.exit(0);
        } else if (actionCommand.equals("JFileChooser")) {
            testFileChooser();
        } else if (actionCommand.equals("custom FileChooser")) {
            //	    JFileChooser.CANCEL_LABEL = "Cancel (F4)";
            //	    JFileChooser.CANCEL_ACCELERATOR = KeyEvent.VK_F4;
            //	    (new JFileChooser()).show();
            JOptionPane.showMessageDialog(this,
                    "This test has been (temporarily) disabled", "Information",
                    JOptionPane.PLAIN_MESSAGE);
        } else if (actionCommand.equals("Null Layout")) {
            JDialog dlg = new NullLayoutTest(this);
            dlg.show();
        } else if (actionCommand.equals("Miscellaneous Layouts")) {
            JDialog dlg = new LayoutTest(this);
            dlg.show();
        } else if (actionCommand.equals("Layouts in Color")) {
            if (!Toolkit.getDefaultToolkit().hasColors()) {
                JOptionPane.showMessageDialog(this,
                        "This terminal does not have color capability!",
                        "Error", JOptionPane.PLAIN_MESSAGE);
                return;
            }
            JDialog dlg = new ColorLayoutTest(this);
            dlg.setLocationRelativeTo(this);
            dlg.show();
        } else if (actionCommand.equals("GridBagLayout")) {
            JDialog dlg = new GridBagLayoutTest(this);
            dlg.setLocationRelativeTo(this);
            dlg.show();
        } else if (actionCommand.equals("JTabbedPane")) {
            JDialog dlg = new JTabbedPaneTest(this);
            dlg.show();
        } else if (actionCommand.equals("showMessageDialog")) {
            JOptionPane.showMessageDialog(this,
                    "This is an example of a Message Dialog "
                            + "with a single message string",
                    "This is the title", JOptionPane.PLAIN_MESSAGE);
        } else if (actionCommand.equals("showConfirmDialog")) {
            showConfirmDialog();
        } else if (actionCommand.equals("showInputDialog")) {
            showInputDialog();
        } else if (actionCommand.equals("show Custom InputDialog")) {
            showCustomInputDialog(this);
        } else if (actionCommand.equals("Text components")) {
            TextWidgetTest dlg = new TextWidgetTest(this);
            dlg.show();
        } else if (actionCommand.equals("Selection components")) {
            SelectionTest dlg = new SelectionTest(this);
            dlg.show();
        } else if (actionCommand.equals("Buttons")) {
            (new ButtonTest(this)).show();
        } else if (actionCommand.equals("JTable")) {
            JTableTest dlg = new JTableTest(this);
            dlg.setLocationRelativeTo(this);
            dlg.show();
        } else if (actionCommand.equals("KeyEvents")) {
            KeyEventTest dlg = new KeyEventTest(this);
            dlg.setLocationRelativeTo(this);
            dlg.show();
        } else if (actionCommand.equals("FocusEvents")) {
            FocusEventTest dlg = new FocusEventTest(this);
            dlg.setLocationRelativeTo(this);
            dlg.show();
        } else if (actionCommand.equals("JProgressBar")) {
            ProgressBarTest dlg = new ProgressBarTest(this);
            dlg.setLocationRelativeTo(this);
            dlg.show();
        } else {
            JOptionPane.showMessageDialog(this, "Menu item \"" + actionCommand
                    + "\" not implemented yet", "Error",
                    JOptionPane.PLAIN_MESSAGE);
        }
        // Trigger garbage-collection after every menu action.
        Toolkit.getDefaultToolkit().triggerGarbageCollection(this);
    }

    /**
     * Demonstrate the JFileChooser.
     */
    private void testFileChooser() {
        JFileChooser chooser = new JFileChooser();
        chooser.setDialogTitle("A File Chooser");
        chooser.setForeground(Color.white);
        chooser.setBackground(Color.blue);
        chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);

        //  Uncomment this section of code to apply a FileFilter that masks out
        // all
        //  files whose names do not end with ".java".
        //	/* Construct an anonymous inner class that extends the abstract
        //	 * FileFilter class.
        //	 */
        //	charvax.swing.filechooser.FileFilter filter =
        //		new charvax.swing.filechooser.FileFilter() {
        //	    public boolean accept(File file_) {
        //		String pathname = file_.getAbsolutePath();
        //		return (pathname.endsWith(".java"));
        //	    }
        //	};
        //	chooser.setFileFilter(filter);

        if (chooser.showDialog(this, "Open File") == JFileChooser.APPROVE_OPTION) {

            String msgs[] = { "The selected file was:",
                    chooser.getSelectedFile().getAbsolutePath()};
            JOptionPane.showMessageDialog(this, msgs,
                    "Results of JFileChooser", JOptionPane.PLAIN_MESSAGE);
        } else {
            JOptionPane.showMessageDialog(this,
                    "The CANCEL button was selected",
                    "Results of JFileChooser", JOptionPane.PLAIN_MESSAGE);
        }
    }

    /**
     * Demonstrate the JOptionPane.showConfirmDialog() method.
     */
    private void showConfirmDialog() {
        String[] messages = { "This is an example of a Confirm Dialog",
                "that displays an array of Strings"};

        int option = JOptionPane.showConfirmDialog(this, messages,
                "Select an Option", JOptionPane.YES_NO_CANCEL_OPTION);
        String result = "";
        if (option == JOptionPane.YES_OPTION)
            result = "User selected YES option";
        else if (option == JOptionPane.NO_OPTION)
            result = "User selected NO option";
        else
            result = "User selected Cancel option";
        JOptionPane.showMessageDialog(this, result,
                "Result of showConfirmDialog", JOptionPane.PLAIN_MESSAGE);
    }

    /**
     * Demonstrate the JOptionPane.showInputDialog() method.
     */
    private void showInputDialog() {