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

class MsgBox extends Dialog implements ActionListener {
  public static final int OK = 1;
  public static final int CANCEL = 2;
  public static final int YES = 4;
  public static final int NO = 8;

  String result;
  // /Should/ make the result an INT equal to the value of the button.
  // But not today.

  MsgBox(String msg) { this(msg, "", OK); }
  MsgBox(String msg, String title) { this(msg, title, OK); }

  MsgBox(String msg, String title, int buttons) {
    super(new Frame(), title, true);
    setLocation(50,50);
    add("Center", new Label(msg, Label.CENTER));

    Panel p = new Panel();
    Button b;
    if(buttons==0 || (buttons | OK) == buttons) {
      b = new Button("OK");
      b.addActionListener(this);
      p.add(b);
    }
    if((buttons | CANCEL) == buttons) {
      b = new Button("Cancel");
      b.addActionListener(this);
      p.add(b);
    }
    if((buttons | YES) == buttons) {
      b = new Button("Yes");
      b.addActionListener(this);
      p.add(b);
    }
    if((buttons | NO) == buttons) {
      b = new Button("No");
      b.addActionListener(this);
      p.add(b);
    }
    add("South", p);
    pack();
  }
  public void actionPerformed(ActionEvent e) {
    result = e.getActionCommand();
    dispose();
  }
}