import javax.swing.*;
import javax.swing.event.*;
import java.util.*;

public class DateSelector {

  public static void main(String[] args) 
  {
    JFrame frame = new JFrame("Date Selector 1.0");

	Calendar now = Calendar.getInstance();
	Calendar earliest = (Calendar)now.clone(); 
	earliest.add( Calendar.MONTH, -6 );
	Calendar latest = (Calendar)now.clone(); 
	latest.add( Calendar.MONTH, 6 );
	SpinnerModel model = new SpinnerDateModel( 
		now.getTime(), earliest.getTime(), latest.getTime(), 
		Calendar.WEEK_OF_YEAR);
	final JSpinner spinner = new JSpinner(model);
	
	model.addChangeListener( new ChangeListener() {
		public void stateChanged(ChangeEvent e) {
			System.out.println( ((SpinnerDateModel)e.getSource()).getDate() );
		}
	} );

	frame.getContentPane().add( "North", new JLabel("Choose a week") );
	frame.getContentPane().add( "Center", spinner );
	frame.pack();
	frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
    frame.setVisible(true);
  }
}