import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JDialog;
import javax.swing.*;
/*
 * MessageWindow.java
 *
 * Note: This code is not suitable for any production use. It is quick code to 
 * enable students to easily get an answer. For "real" code use JOptionPane 
 * instead.
 *
 * Created on September 28, 2007, 1:01 PM
 *
 * @Author Dan Fleck,
 * George Mason University
 * Computer Science Department
 */

/**
 *
 * @author dfleck
 */
public class MessageWindow implements ActionListener {
    
    /** Holds the frame. */
    private static JFrame jframe;
    
    /** Holds a text field. */
    private static JTextField input = new JTextField();
    
    /** Has the answer been submitted. */
    private static boolean submitted = false;
    
   
    /** Given a question, display it to the user and ask for an answer. */
    public static String getResponse(String question) {

        MessageWindow listener = new MessageWindow();
        submitted = false;
        jframe = new JFrame("Question");
        jframe.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
        JComponent box = Box.createVerticalBox();
        
        JButton jb = new JButton("Submit");
        box.add(new JLabel(question));
        box.add(input);
        box.add(jb);
        jb.addActionListener(listener);
        jframe.getContentPane().add(box);
        jframe.setVisible(true);
        jframe.pack();
        
        /** Wait for an answer. */
        while (!submitted) {
            try {Thread.sleep(50); } catch (Exception e) {}            
        }

        return input.getText();                
    }
    
    public void actionPerformed(ActionEvent e) {
        submitted = true;
    }
    
    public static void close() {
        jframe.setVisible(false);
        jframe.dispose();
        
    }
    
    public static void main(String [] args) {
        String ans = MessageWindow.getResponse("this is a test");
        System.out.println(ans);
        MessageWindow.close();    
    }
    
}