//: c13:TrackEvent.java
// From Thinking in Java, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Show events as they happen
// <applet code=TrackEvent
//  width=700 height=500></applet>
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;

class MyButton extends JButton {
  HashMap h;
  MyButton(TrackEvent parent, 
    Color color, String label) {
    super(label);
    h = parent.h;
    setBackground(color);
    addFocusListener(fl);
    addKeyListener(kl);
    addMouseListener(ml);
    addMouseMotionListener(mml);
  }
  void report(String field, String msg) {
    ((JTextField)h.get(field)).setText(msg);
  }    
  FocusListener fl = new FocusListener() {
    public void focusGained(FocusEvent e) {
      report("focusGained", e.paramString());
    }
    public void focusLost(FocusEvent e) {
      report("focusLost", e.paramString());
    }
  };
  KeyListener kl = new KeyListener() {
    public void keyPressed(KeyEvent e) {
      report("keyPressed", e.paramString());
    }
    public void keyReleased(KeyEvent e) {
      report("keyReleased", e.paramString());
    }
    public void keyTyped(KeyEvent e) {
      report("keyTyped", e.paramString());
    }
  };
  MouseListener ml = new MouseListener() {
    public void mouseClicked(MouseEvent e) {
      report("mouseClicked", e.paramString());
    }
    public void mouseEntered(MouseEvent e) {
      report("mouseEntered", e.paramString());
    }
    public void mouseExited(MouseEvent e) {
      report("mouseExited", e.paramString());
    }
    public void mousePressed(MouseEvent e) {
      report("mousePressed", e.paramString());
    }
    public void mouseReleased(MouseEvent e) {
      report("mouseReleased", e.paramString());
    }
  };
  MouseMotionListener mml = 
    new MouseMotionListener() {
    public void mouseDragged(MouseEvent e) {
      report("mouseDragged", e.paramString());
    }
    public void mouseMoved(MouseEvent e) {
      report("mouseMoved", e.paramString());
    }
  };
}  

public class TrackEvent extends JApplet {
  HashMap h = new HashMap();
  String[] event = {
    "focusGained", "focusLost", "keyPressed",
    "keyReleased", "keyTyped", "mouseClicked",
    "mouseEntered", "mouseExited","mousePressed",
    "mouseReleased", "mouseDragged", "mouseMoved"
  };
  MyButton
    b1 = new MyButton(this, Color.blue, "test1"),
    b2 = new MyButton(this, Color.red, "test2");
  public void init() {
    Container c = getContentPane();
    c.setLayout(new GridLayout(event.length+1,2));
    for(int i = 0; i < event.length; i++) {
      JTextField t = new JTextField();
      t.setEditable(false);
      c.add(new JLabel(event[i], JLabel.RIGHT));
      c.add(t);
      h.put(event[i], t);
    }
    c.add(b1);
    c.add(b2);
  }
  public static void main(String[] args) {
    JApplet applet = new TrackEvent();
    JFrame frame = new JFrame("TrackEvent");
    frame.addWindowListener(
      new WindowAdapter() {
        public void windowClosing(WindowEvent e){
          System.exit(0);
        }
      });
    frame.getContentPane().add(applet);
    frame.setSize(700, 500);
    applet.init();
    applet.start();
    frame.setVisible(true);
  }
} ///:~