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

        gbc.gridy = 4;
        centerpan.add(new JLabel("Postal code: "), gbc);

        gbc.gridy = 5;
        centerpan.add(new JLabel("State: "), gbc);

        gbc.gridx = 1;
        gbc.gridy = 0;
        gbc.anchor = GridBagConstraints.WEST;
        centerpan.add(lastnameField, gbc);

        gbc.gridx = 2;
        gbc.anchor = GridBagConstraints.EAST;
        centerpan.add(new JLabel(" Initials: "), gbc);

        gbc.gridx = 3;
        gbc.anchor = GridBagConstraints.WEST;
        centerpan.add(initialsField, gbc);

        gbc.gridx = 1;
        gbc.gridy = 1;
        centerpan.add(address1Field, gbc);

        gbc.gridy = 2;
        centerpan.add(address2Field, gbc);

        gbc.gridy = 3;
        centerpan.add(cityField, gbc);

        gbc.gridy = 4;
        centerpan.add(postcodeField, gbc);

        gbc.gridy = 5;
        centerpan.add(stateField, gbc);

        gbc.gridx = 2;
        gbc.gridy = 1;
        gbc.gridwidth = 2;
        gbc.gridheight = 6;
        gbc.insets = new Insets(1, 1, 1, 1);
        String[] countries = { "Portugal", "Spain", "France", "Italy",
                "Germany", "Poland", "Austria", "Belgium", "Denmark", "Norway",
                "Sweden"};
        _countryList = new JList(countries);
        _countryList.setVisibleRowCount(6);
        _countryList.setColumns(12);
        _countryList.addListSelectionListener(this);
        JScrollPane scrollpane = new JScrollPane(_countryList);
        TitledBorder viewportBorder = new TitledBorder("Countries");
        scrollpane.setViewportBorder(viewportBorder);
        centerpan.add(scrollpane, gbc);

        JPanel southpan = new JPanel();
        JButton okButton = new JButton("OK");
        okButton.addActionListener(this);
        southpan.add(okButton);

        contentPane.add(centerpan, BorderLayout.CENTER);
        contentPane.add(southpan, BorderLayout.SOUTH);
        pack();
    }

    public void actionPerformed(ActionEvent ae_) {
        if (ae_.getActionCommand().equals("OK")) {
            hide();
        }
    }

    /**
     * This method implements the ListSelectionListener interface, and is
     * called when an item is selected or deselected in the JList.
     */
    public void valueChanged(ListSelectionEvent e_) {
        _countryList.repaint();
    }

    private JList _countryList;
}

/**
 * This class demonstrates how to use the JTabbedPane.
 */

class JTabbedPaneTest extends JDialog implements ActionListener, KeyListener {

    JTabbedPaneTest(Frame owner_) {
        super(owner_, "JTabbedPane Test");
        _insets = new Insets(2, 3, 2, 3);
        Container contentPane = getContentPane();

        JPanel toppan = new JPanel();
        toppan.setBorder(new EmptyBorder(1, 1, 1, 1));
        toppan.add(new JLabel(
                "Press the F5, F6 and F7 keys to switch between panes"));

        JPanel centerpan = new JPanel();
        centerpan.setLayout(new FlowLayout(FlowLayout.LEFT, 2, 1));

        _tabpane = new JTabbedPane();
        _tabpane.addTab("General", null, new GeneralPane(), "F5");
        _tabpane.addTab("Device Manager", null, new DevicePane(), "F6");
        _tabpane.addTab("Performance", null, new PerformancePane(), "F7");
        addKeyListener(this);
        centerpan.add(_tabpane);

        _okButton = new JButton("OK");
        _okButton.addActionListener(this);

        contentPane.add(toppan, BorderLayout.NORTH);
        contentPane.add(centerpan, BorderLayout.CENTER);
        contentPane.add(_okButton, BorderLayout.SOUTH);

        pack();
    }

    public void actionPerformed(ActionEvent e_) {
        hide();
    }

    /**
     * This method implements the KeyListener interface and handles the
     * interactive selection of tabs.
     */
    public void keyPressed(KeyEvent evt_) {
        int key = evt_.getKeyCode();
        if (key == KeyEvent.VK_F5)
            _tabpane.setSelectedIndex(0);
        else if (key == KeyEvent.VK_F6)
            _tabpane.setSelectedIndex(1);
        else if (key == KeyEvent.VK_F7) _tabpane.setSelectedIndex(2);
    }

    public void keyTyped(KeyEvent evt_) {
    }

    public void keyReleased(KeyEvent evt_) {
    }

    class GeneralPane extends JPanel {

        public GeneralPane() {
            setLayout(new BorderLayout());

            JPanel northpan = new JPanel();
            northpan.setLayout(new BoxLayout(northpan, BoxLayout.Y_AXIS));
            northpan.setBorder(new TitledBorder("System"));
            northpan.add(new JLabel("Red Hat Linux 9.0"));

            JPanel centerpan = new JPanel();
            centerpan.setLayout(new BoxLayout(centerpan, BoxLayout.Y_AXIS));
            centerpan.setBorder(new TitledBorder("Registered to"));
            centerpan.add(new JLabel("Rob Pitman"));
            centerpan.add(new JLabel("8 Pickwood Road"));
            centerpan.add(new JLabel("Centurion, South Africa"));

            JPanel southpan = new JPanel();
            southpan.setLayout(new BoxLayout(southpan, BoxLayout.Y_AXIS));
            southpan.setBorder(new TitledBorder("Computer"));
            southpan.add(new JLabel("GenuineIntel"));
            southpan.add(new JLabel("x86 Family 15 Model 1 Stepping 2"));
            southpan.add(new JLabel("256 MB RAM"));

            add(northpan, BorderLayout.NORTH);
            add(centerpan, BorderLayout.CENTER);
            add(southpan, BorderLayout.SOUTH);
            pack();
        }
    }

    class DevicePane extends JPanel {

        public DevicePane() {
            setLayout(new BorderLayout());

            JPanel northpan = new JPanel();
            JRadioButton button1 = new JRadioButton("View devices by type");
            JRadioButton button2 = new JRadioButton(
                    "View devices by connection");
            ButtonGroup buttons = new ButtonGroup();
            buttons.add(button1);
            buttons.add(button2);
            button1.setSelected(true);
            northpan.add(button1);
            northpan.add(button2);

            JPanel centerpan = new JPanel();
            String[] devices = { "Computer", "CD-ROM", "Disk drives",
                    "Display adapters", "Floppy disk controllers",
                    "Imaging devices", "Keyboard", "Modem", "Monitors", "Mouse"};
            JList deviceList = new JList(devices);
            deviceList.setBorder(new TitledBorder("Devices"));
            centerpan.add(deviceList);

            JPanel southpan = new JPanel();
            southpan.add(new JButton("Properties"));
            southpan.add(new JButton("Refresh"));
            southpan.add(new JButton("Remove"));
            southpan.add(new JButton("Print..."));

            add(northpan, BorderLayout.NORTH);
            add(centerpan, BorderLayout.CENTER);
            add(southpan, BorderLayout.SOUTH);
            pack();
        }
    }

    class PerformancePane extends JPanel {

        public PerformancePane() {
            setLayout(new BorderLayout());

            JPanel centerpan = new JPanel();
            centerpan.setBorder(new TitledBorder("Performance Status"));
            centerpan.setLayout(new BoxLayout(centerpan, BoxLayout.Y_AXIS));
            centerpan.add(new JLabel("Memory:           256.0 MB of RAM"));
            centerpan.add(new JLabel("System Resources: 50% free"));
            centerpan.add(new JLabel("File System:      32 bit"));
            centerpan.add(new JLabel("Virtual Memory:   32 bit"));
            centerpan.add(new JLabel("Disk Compression: Not Installed"));
            centerpan.add(new JLabel(
                    "Your system is configured for optimum performance"));

            JPanel southpan = new JPanel();
            southpan.setBorder(new TitledBorder("Advanced Settings"));
            southpan.add(new JButton("File System..."));
            southpan.add(new JButton("Graphics..."));
            southpan.add(new JButton("Virtual Memory..."));

            add(centerpan, BorderLayout.CENTER);
            add(southpan, BorderLayout.SOUTH);
            pack();
        }
    }

    private JButton _okButton;

    private JTabbedPane _tabpane;
}

/**
 * This class demonstrates how to use the JTextField, the JPasswordField and
 * the JTextArea.
 */

class TextWidgetTest extends JDialog implements ActionListener {

    TextWidgetTest(Frame owner_) {
        super(owner_, "Text Widget Test");
        Container contentPane = getContentPane();

        JPanel centerpan = new JPanel();
        centerpan.setLayout(new GridBagLayout());

        GridBagConstraints gbc = new GridBagConstraints();

        gbc.gridx = 0;
        gbc.gridy = 0;
        gbc.gridwidth = 1;
        gbc.gridheight = 1;
        centerpan.add(new TextFieldPanel(), gbc);

        gbc.gridx = 1;
        centerpan.add(new PasswordFieldPanel(), gbc);

        gbc.gridx = 0;
        gbc.gridy = 1;
        gbc.gridwidth = 2;
        gbc.fill = GridBagConstraints.HORIZONTAL;
        centerpan.add(new TextAreaPanel(), gbc);

        JPanel southpan = new JPanel();
        JButton okButton = new JButton("OK");
        okButton.addActionListener(this);
        southpan.add(okButton);

        contentPane.add(centerpan, BorderLayout.CENTER);
        contentPane.add(southpan, BorderLayout.SOUTH);
        pack();
    }

    public void actionPerformed(ActionEvent e_) {
        if (e_.getActionCommand().equals("OK")) hide();
    }

    /**
     * An inner class to display a JTextField.
     */
    class TextFieldPanel extends JPanel implements ItemListener {

        private JCheckBox _enabledCb;

        private JCheckBox _visibleCb;

        private JTextField _textfield;

        TextFieldPanel() {
            setLayout(new BorderLayout());
            setBorder(new TitledBorder("JTextField"));

            JPanel northpan = new JPanel();
            _enabledCb = new JCheckBox("Enabled");
            _enabledCb.setSelected(true);
            _enabledCb.addItemListener(this);
            northpan.add(_enabledCb);
            _visibleCb = new JCheckBox("Visible");
            _visibleCb.setSelected(true);
            _visibleCb.addItemListener(this);
            northpan.add(_visibleCb);

            JPanel southpan = new JPanel();
            _textfield = new JTextField("This is some text.....");
            _textfield.setBorder(new EmptyBorder(1, 1, 1, 1));
            southpan.add(_textfield);

            add(northpan, BorderLayout.NORTH);
            add(southpan, BorderLayout.SOUTH);
        }

        public void itemStateChanged(ItemEvent e_) {
            if (e_.getSource() == _enabledCb) {
                _textfield.setEnabled(_enabledCb.isSelected());
            } else {
                _textfield.setVisible(_visibleCb.isSelected());
            }
        }
    }

    /**
     * An inner class to display a JPasswordField.
     */
    class PasswordFieldPanel extends JPanel implements ItemListener {

        private JCheckBox _enabledCb;

        private JCheckBox _visibleCb;

        private JPasswordField _textfield;

        PasswordFieldPanel() {
            setLayout(new BorderLayout());
            setBorder(new TitledBorder("JPasswordField"));

            JPanel northpan = new JPanel();
            _enabledCb = new JCheckBox("Enabled");
            _enabledCb.setSelected(true);
            _enabledCb.addItemListener(this);
            northpan.add(_enabledCb);
            _visibleCb = new JCheckBox("Visible");
            _visibleCb.setSelected(true);
            _visibleCb.addItemListener(this);
            northpan.add(_visibleCb);

            JPanel southpan = new JPanel();
            _textfield = new JPasswordField("This is some text.....");
            _textfield.setBorder(new EmptyBorder(1, 1, 1, 1));
            southpan.add(_textfield);

            add(northpan, BorderLayout.NORTH);
            add(southpan, BorderLayout.SOUTH);