swingcallbackhandler.java

linux下建立JAVA虚拟机的源码KAFFE

  protected void handleLanguage (final LanguageCallback callback)
    throws IOException
  {
    Locale locale = Locale.getDefault ();
    Locale[] locales = Locale.getAvailableLocales ();
    String[] localeNames = new String[locales.length+1];
    int defaultIndex = 0;
    for (int i = 0; i < locales.length; i++)
      {
        localeNames[i+1] = locales[i].getDisplayLanguage (locales[i]);
        String country = locales[i].getDisplayCountry (locales[i]);
        if (country.length () > 0)
          localeNames[i+1] += " (" + country + ")";
        if (locales[i].equals (locale))
          defaultIndex = i;
      }
    locales[0] = locale;
    localeNames[0] = locale.getDisplayLanguage (locale);
    String country = locale.getDisplayCountry (locale);
    if (country.length () > 0)
      localeNames[0] += " (" + country + ")";
    ChoiceCallback cb = new ChoiceCallback (messages.getString ("callback.language"),
                                                                localeNames, 0,
                                                                false);
    handleChoice (cb);
    int selected = cb.getSelectedIndexes ()[0];
    if (selected > 0)
      callback.setLocale (locales[selected - 1]);
    else
      callback.setLocale (locale);
  }

  protected void handleName (final NameCallback callback)
    throws IOException
  {
    final JDialog dialog = new JDialog ();
    Container content = dialog.getContentPane ();
    content.setLayout (new GridBagLayout ());

    content.add (new JLabel (callback.getPrompt ()),
                             new GridBagConstraints (0, 0, 1, 1, 0, 0,
                                                     GridBagConstraints.NORTHEAST,
                                                     GridBagConstraints.VERTICAL,
                                                     new Insets (10, 10, 15, 5), 0, 0));

    final JTextField name = new JTextField ();
    name.setColumns (20);
    String _name;
    if ((_name = callback.getDefaultName ()) != null)
      name.setText (_name);
    content.add (name, new GridBagConstraints (1, 0, 1, 1, 1, 1,
                                               GridBagConstraints.NORTHWEST,
                                               GridBagConstraints.BOTH,
                                               new Insets (10, 5, 15, 10), 0, 0));

    ActionListener listener = new ActionListener ()
      {
        public void actionPerformed (ActionEvent ae)
        {
          String cmd = ae.getActionCommand ();
          if (cmd.equals ("okay"))
            callback.setName (name.getText ());
          dialog.setVisible (false);
          synchronized (callback)
            {
              callback.notify ();
            }
        }
      };

    JPanel buttons = new JPanel ();
    buttons.setLayout (new FlowLayout (FlowLayout.RIGHT));
    JButton cancel = new JButton (messages.getString ("callback.cancel"));
    JButton okay = new JButton (messages.getString ("callback.ok"));
    cancel.setActionCommand ("cancel");
    cancel.addActionListener (listener);
    buttons.add (cancel);
    okay.setActionCommand ("okay");
    okay.addActionListener (listener);
    buttons.add (okay);
    content.add (buttons, new GridBagConstraints (0, 1, 2, 1, 0, 0,
                                                  GridBagConstraints.SOUTHEAST,
                                                  GridBagConstraints.NONE,
                                                  new Insets (0, 10, 10, 10), 0, 0));

    dialog.setResizable (false);
    dialog.pack ();
    dialog.setVisible (true);
    dialog.getRootPane ().setDefaultButton (okay);
    waitForInput (dialog, callback);
  }

  protected void handlePassword (final PasswordCallback callback)
    throws IOException
  {
    final JDialog dialog = new JDialog ();
    Container content = dialog.getContentPane ();
    content.setLayout (new GridBagLayout ());

    content.add (new JLabel (callback.getPrompt ()),
                             new GridBagConstraints (0, 0, 1, 1, 0, 0,
                                                     GridBagConstraints.NORTHEAST,
                                                     GridBagConstraints.VERTICAL,
                                                     new Insets (10, 10, 15, 5), 0, 0));

    final JPasswordField password = new JPasswordField ();
    password.setColumns (20);
    password.setEchoChar (callback.isEchoOn () ? '\u0000' : '\u2022');
    content.add (password, new GridBagConstraints (1, 0, 1, 1, 1, 1,
                                                   GridBagConstraints.NORTHWEST,
                                                   GridBagConstraints.BOTH,
                                                   new Insets (10, 5, 15, 10), 0, 0));

    ActionListener listener = new ActionListener ()
      {
        public void actionPerformed (ActionEvent ae)
        {
          String cmd = ae.getActionCommand ();
          if (cmd.equals ("okay"))
            callback.setPassword (password.getPassword ());
          dialog.setVisible (false);
          synchronized (callback)
            {
              callback.notify ();
            }
        }
      };

    JPanel buttons = new JPanel ();
    buttons.setLayout (new FlowLayout (FlowLayout.RIGHT));
    JButton cancel = new JButton (messages.getString ("callback.cancel"));
    JButton okay = new JButton (messages.getString ("callback.ok"));
    cancel.setActionCommand ("cancel");
    cancel.addActionListener (listener);
    buttons.add (cancel);
    okay.setActionCommand ("okay");
    okay.addActionListener (listener);
    buttons.add (okay);
    content.add (buttons, new GridBagConstraints (0, 1, 2, 1, 0, 0,
                                                  GridBagConstraints.SOUTHEAST,
                                                  GridBagConstraints.NONE,
                                                  new Insets (0, 10, 10, 10), 0, 0));

    dialog.setResizable (false);
    dialog.pack ();
    dialog.setVisible (true);
    dialog.getRootPane ().setDefaultButton (okay);
    waitForInput (dialog, callback);
  }

  protected void handleTextInput (final TextInputCallback callback)
    throws IOException
  {
    final JDialog dialog = new JDialog ();
    Container content = dialog.getContentPane ();
    content.setLayout (new GridBagLayout ());

    content.add (new JLabel (callback.getPrompt ()),
                             new GridBagConstraints (0, 0, 1, 1, 0, 0,
                                                     GridBagConstraints.NORTHWEST,
                                                     GridBagConstraints.NONE,
                                                     new Insets (10, 10, 15, 5), 0, 0));
    
    final JTextArea text = new JTextArea (24, 80);
    text.setEditable (true);
    String _text;
    if ((_text = callback.getDefaultText ()) != null)
      text.setText (_text);
    text.setFont (new Font ("Monospaced", Font.PLAIN, 12));
    JScrollPane textPane = new JScrollPane (text,
                                            JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
                                            JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    content.add (textPane,
                 new GridBagConstraints (0, 1, 1, 1, 1, 1,
                                         GridBagConstraints.CENTER,
                                         GridBagConstraints.BOTH,
                                         new Insets (5, 10, 5, 10), 0, 0));

    ActionListener listener = new ActionListener ()
      {
        public void actionPerformed (ActionEvent ae)
        {
          String cmd = ae.getActionCommand ();
          if (cmd.equals ("okay"))
            callback.setText (text.getText ());
          dialog.setVisible (false);
          synchronized (callback)
            {
              callback.notify ();
            }
        }
      };

    JPanel buttons = new JPanel ();
    buttons.setLayout (new FlowLayout (FlowLayout.RIGHT));
    JButton cancel = new JButton (messages.getString ("callback.cancel"));
    JButton okay = new JButton (messages.getString ("callback.ok"));
    cancel.setActionCommand ("cancel");
    cancel.addActionListener (listener);
    buttons.add (cancel);
    okay.setActionCommand ("okay");
    okay.addActionListener (listener);
    buttons.add (okay);
    content.add (buttons, new GridBagConstraints (0, 2, 1, 1, 0, 0,
                                                  GridBagConstraints.SOUTHEAST,
                                                  GridBagConstraints.NONE,
                                                  new Insets (0, 10, 10, 10), 0, 0));

    dialog.setResizable (true);
    dialog.pack ();
    dialog.setVisible (true);
    dialog.getRootPane ().setDefaultButton (okay);
    waitForInput (dialog, callback);
  }

  protected void handleTextOutput (final TextOutputCallback callback)
    throws IOException
  {
    final JDialog dialog = new JDialog ();
    switch (callback.getMessageType ())
      {
      case TextOutputCallback.ERROR:
        dialog.setTitle (messages.getString ("callback.error"));
        break;
      case TextOutputCallback.WARNING:
        dialog.setTitle (messages.getString ("callback.warning"));
        break;
      case TextOutputCallback.INFORMATION:
        dialog.setTitle (messages.getString ("callback.information"));
        break;
      }
    Container content = dialog.getContentPane ();
    content.setLayout (new GridBagLayout ());

    final JTextArea text = new JTextArea (24, 80);
    text.setEditable (false);
    text.setText (callback.getMessage ());
    text.setFont (new Font ("Monospaced", Font.PLAIN, 12));
    JScrollPane textPane = new JScrollPane (text,
                                            JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
                                            JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    content.add (textPane,
                 new GridBagConstraints (0, 0, 1, 1, 1, 1,
                                         GridBagConstraints.CENTER,
                                         GridBagConstraints.BOTH,
                                         new Insets (10, 10, 5, 10), 0, 0));

    ActionListener listener = new ActionListener ()
      {
        public void actionPerformed (ActionEvent ae)
        {
          dialog.setVisible (false);
          synchronized (callback)
            {
              callback.notify ();
            }
        }
      };

    JButton okay = new JButton (messages.getString ("callback.ok"));
    okay.setActionCommand ("okay");
    okay.addActionListener (listener);
    content.add (okay, new GridBagConstraints (0, 1, 1, 1, 0, 0,
                                               GridBagConstraints.SOUTHEAST,
                                               GridBagConstraints.NONE,
                                               new Insets (0, 10, 10, 10), 0, 0));

    dialog.setResizable (true);
    dialog.pack ();
    dialog.setVisible (true);
    dialog.getRootPane ().setDefaultButton (okay);
    waitForInput (dialog, callback);
  }

  private void waitForInput (JDialog dialog, Callback callback)
  {
    synchronized (callback)
      {
        while (dialog.isVisible ())
          {
            try
              {
                callback.wait (1000);
              }
            catch (InterruptedException ignored)
              {
              }
          }
      }
    dialog.dispose ();
  }
}