Translucent JInternalFrame (Nimbus)

• download example.jar
• download src.zip
• repository

Code

JPanel p1 = new JPanel();
p1.setOpaque(false);

JPanel p2 = new JPanel() {
  @Override protected void paintComponent(Graphics g) {
    // super.paintComponent(g);
    g.setColor(new Color(100, 50, 50, 100));
    g.fillRect(0, 0, getWidth(), getHeight());
  }
};

JPanel p3 = new JPanel() {
  @Override protected void paintComponent(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;
    // g2.setPaint(new Color(100, 120, 100, 100));
    g2.setPaint(texture);
    g2.fillRect(0, 0, getWidth(), getHeight());
  }
};

protected JInternalFrame createFrame(JPanel panel) {
  MyInternalFrame frame = new MyInternalFrame();
  if (panel != null) {
    frame.setContentPane(panel);
    // JButton button = new JButton("button");
    // button.setOpaque(false);
    panel.add(new JLabel("label"));
    panel.add(new JButton("button"));
  }
  desktop.add(frame);
  frame.setOpaque(false);
  frame.setVisible(true);
  // ...

References

• TranslucentFrame(Japanese)
• TransparentFrame(Japanese)

add JInternalFrame to Undecorated JFrame

• download example.jar
• download src.zip
• repository

Code

JInternalFrame internal = new JInternalFrame("...");
BasicInternalFrameUI ui = (BasicInternalFrameUI) internal.getUI();
Component title = ui.getNorthPane();
for (MouseMotionListener l: title.getListeners(MouseMotionListener.class)) {
  title.removeMouseMotionListener(l);
}
DragWindowListener dwl = new DragWindowListener();
title.addMouseListener(dwl);
title.addMouseMotionListener(dwl);
JPanel p = new JPanel(new BorderLayout());
p.add(new JScrollPane(new JTree()));
p.add(new JButton(new AbstractAction("close") {
  @Override public void actionPerformed(ActionEvent e) {
    Window w = SwingUtilities.windowForComponent((Component) e.getSource());
    // w.dispose();
    w.getToolkit().getSystemEventQueue().postEvent(
      new WindowEvent(w, WindowEvent.WINDOW_CLOSING));
  }
}), BorderLayout.SOUTH);
internal.getContentPane().add(p);
internal.setVisible(true);

KeyboardFocusManager focusManager = KeyboardFocusManager.getCurrentKeyboardFocusManager();
focusManager.addPropertyChangeListener(e -> {
  String prop = e.getPropertyName();
  if ("activeWindow".equals(prop)) {
    try {
      internal.setSelected(Objects.nonNull(e.getNewValue()));
    } catch (PropertyVetoException ex) {
      throw new IllegalStateException(ex);
    }
  }
});

References

• add JInternalFrame to Undecorated JFrame(Japanese)

Modal Internal Frame

• download example.jar
• download src.zip
• repository

Code

// menuItem.setMnemonic(KeyEvent.VK_1);
class ModalInternalFrameAction1 extends AbstractAction {
  public ModalInternalFrameAction1(String label) {
    super(label);
  }

  @Override public void actionPerformed(ActionEvent e) {
    setJMenuEnabled(false);
    JOptionPane.showInternalMessageDialog(
      desktop, "information", "modal1", JOptionPane.INFORMATION_MESSAGE);
    setJMenuEnabled(true);
  }
}

// menuItem.setMnemonic(KeyEvent.VK_2);
class ModalInternalFrameAction2 extends AbstractAction {
  private final JPanel glass = new MyGlassPane();
  public ModalInternalFrameAction2(String label) {
    super(label);
    Rectangle screen = frame.getGraphicsConfiguration().getBounds();
    glass.setBorder(BorderFactory.createEmptyBorder());
    glass.setLocation(0, 0);
    glass.setSize(screen.width, screen.height);
    glass.setOpaque(false);
    glass.setVisible(false);
    desktop.add(glass, JLayeredPane.MODAL_LAYER);
  }

  @Override public void actionPerformed(ActionEvent e) {
    setJMenuEnabled(false);
    glass.setVisible(true);
    JOptionPane.showInternalMessageDialog(
      desktop, "information", "modal2", JOptionPane.INFORMATION_MESSAGE);
    glass.setVisible(false);
    setJMenuEnabled(true);
  }
}

// menuItem.setMnemonic(KeyEvent.VK_3);
// Creating Modal Internal Frames -- Approach 1 and Approach 2
// http://web.archive.org/web/20090803142839/http://java.sun.com/developer/JDCTechTips/2001/tt1220.html
class ModalInternalFrameAction3 extends AbstractAction {
  private final JPanel glass = new PrintGlassPane();
  public ModalInternalFrameAction3(String label) {
    super(label);
    glass.setVisible(false);
  }

  @Override public void actionPerformed(ActionEvent e) {
    JOptionPane optionPane = new JOptionPane();
    JInternalFrame modal = optionPane.createInternalFrame(desktop, "modal3");
    optionPane.setMessage("Hello, World");
    optionPane.setMessageType(JOptionPane.INFORMATION_MESSAGE);
    removeSystemMenuListener(modal);
    modal.addInternalFrameListener(new InternalFrameAdapter() {
      @Override public void internalFrameClosed(InternalFrameEvent e) {
        glass.removeAll();
        glass.setVisible(false);
      }
    });
    glass.add(modal);
    modal.pack();
    getRootPane().setGlassPane(glass);
    glass.setVisible(true);
    modal.setVisible(true);
  }
}

References

• Creating Modal Internal Frames -- Approach 1 and Approach 2
• How to Use Root Panes
• Alexander Potochkin's Blog: Disabling Swing Containers, the final solution?
• Modal Internal Frame(Japanese)