import java.awt.BorderLayout;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.event.InternalFrameAdapter;
import javax.swing.event.InternalFrameEvent;
import javax.swing.event.InternalFrameListener;
class InternalFrameIconifyListener extends InternalFrameAdapter {
public void internalFrameIconified(InternalFrameEvent internalFrameEvent) {
JInternalFrame source = (JInternalFrame) internalFrameEvent.getSource();
System.out.println("Iconified: " + source.getTitle());
}
public void internalFrameDeiconified(InternalFrameEvent internalFrameEvent) {
JInternalFrame source = (JInternalFrame) internalFrameEvent.getSource();
System.out.println("Deiconified: " + source.getTitle());
}
}
public class InternalFrameIconifyListenerSample {
public static void main(final String[] args) {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JDesktopPane desktop = new JDesktopPane();
JInternalFrame internalFrame = new JInternalFrame("Can Do All", true, true, true, true);
InternalFrameListener internalFrameListener = new InternalFrameIconifyListener();
// Add listener for iconification events
internalFrame.addInternalFrameListener(internalFrameListener);
desktop.add(internalFrame);
internalFrame.setBounds(25, 25, 200, 100);
JLabel label = new JLabel(internalFrame.getTitle(), JLabel.CENTER);
internalFrame.add(label, BorderLayout.CENTER);
internalFrame.setVisible(true);
frame.add(desktop, BorderLayout.CENTER);
frame.setSize(500, 300);
frame.setVisible(true);
}
}