import java.awt.*;
import java.applet.*;
import java.awt.event.*;

public class HotelReservationApp extends Frame
	implements ActionListener, WindowListener  {

	private TextField input, output;
	private Panel opsPad;
	private Checkbox reserveBox;
	private Checkbox cancelBox;
	private CheckboxGroup ops;
	private Button start;

	private Reservation resv;

	public static void main (String[] args) {

		HotelReservationApp sc = new HotelReservationApp(550, 100);
		sc.show();
	}

	public HotelReservationApp(int width, int height)  {
	
		super("Hotel Reservation");
		this.setSize (width, height);

		this.input = new TextField(15);
		this.output = new TextField(30);

		this.opsPad = new Panel();
		this.opsPad.setLayout(new GridLayout(2,1));


		CheckboxGroup ops = new CheckboxGroup();

		this.reserveBox = new Checkbox("Reserve", ops, true);
		this.cancelBox = new Checkbox("Cancel", ops, false);
	
		this.opsPad.add(reserveBox);
		this.opsPad.add(cancelBox);
	
		this.start = new Button("Start");
	
		this.setLayout(new FlowLayout());
		this.add(input);
		this.add(opsPad);
		this.add(start);
		this.add(output);
	
		this.resv = new Reservation();
	
		start.addActionListener(this);
		this.addWindowListener(this);
	}

	private void reserve(String customer)  {
	
		if (resv.reserve (customer)) {
			output.setText("Reservation has been made for " + customer + ".");
		} else {
			output.setText ("The hotel is full.");
		}
		input.setText("");
	}

	private void cancel(String customer)  {

		if (resv.cancel (customer)) {
			output.setText("Reservation has been canceled for " + customer + ".");
		} else {
			 output.setText (customer + " has no reservation at this hotel.");
		}
		input.setText("");
	}

	public void actionPerformed(ActionEvent evt)  {

		if (evt.getSource().equals(start))  {
			if (reserveBox.getState())  {
				reserve(input.getText());
			} else {
				cancel(input.getText());
			}
		}
	}

	public void  windowActivated(WindowEvent  e)  {}
	public void  windowClosed(WindowEvent  e)  {}
	public void  windowClosing(WindowEvent  e)  {
		HotelReservationApp.this.dispose();
	}
	public void  windowDeactivated(WindowEvent  e)  {}
	public void  windowDeiconified(WindowEvent  e)  {}
	public void  windowIconified(WindowEvent  e)  {}
	public void  windowOpened(WindowEvent  e)  {}
}

import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;

public class ApplicationLauncherApplet extends Applet implements ActionListener {

   HotelReservationApp app; 
   Button launchButton;   
   
   public void init() {  
        
      setBackground(Color.white);
      setLayout(new BorderLayout());

      launchButton = new Button("Launch the Application");
      add("Center",launchButton);
      launchButton.addActionListener(this);
      
   } 

   public void actionPerformed(ActionEvent evt) {

       if (app == null) {
          app = new HotelReservationApp(550, 100);
          app.show();
          launchButton.setLabel("Close the Application");

          app.addWindowListener(new WindowAdapter() {
              public void windowClosed(WindowEvent evt) {
                launchButton.setLabel("Launch the Application");
                launchButton.setEnabled(true);
                app = null;
             }
          });
       }
       else {
          launchButton.setEnabled(false); 
          app.dispose();
       }
   }  
   
   public void destroy() {

      if (app != null) {
          app.dispose();
          app = null;
       }
   }
}