public void actionPerformed(ActionEvent evt) {
Component focusOwner =
KeyboardFocusManager.getCurrentKeyboardFocusManager().getPermanentFocusOwner();
if (focusOwner != null) {
if (focusOwner instanceof EditableComponent) {
((EditableComponent) focusOwner).duplicate();
} else {
focusOwner.getToolkit().beep();
}
}
}
private static void locateOnScreen(Component component) {
Dimension paneSize = component.getSize();
Dimension screenSize = component.getToolkit().getScreenSize();
component.setLocation(
(screenSize.width - paneSize.width) / 2, (screenSize.height - paneSize.height) / 2);
}