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2009/11/13

aterai

add JInternalFrame to Undecorated JFrame

Code

//JFrame without close, minimize, maximize buttons.
final 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") {
  public void actionPerformed(ActionEvent e) {
    Window w = SwingUtilities.windowForComponent((Component)e.getSource());
    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(new PropertyChangeListener() {
  public void propertyChange(PropertyChangeEvent e) {
    String prop = e.getPropertyName();
    if("activeWindow".equals(prop)) {
      try{
        internal.setSelected(e.getNewValue()!=null);
      }catch(PropertyVetoException ex) {
        ex.printStackTrace();
      }
    }
  }

References

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