📄 trackeventframe.html

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<html><head><title>Display page for TrackEvent at www.BruceEckel.com</title></head><FONT FACE="Verdana,Tahoma,Arial,Helvetica,Sans"><H2>TrackEvent.java</H2><hr></FONT>
<OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
    width="700" height="500" align="baseline"
    codebase="http://java.sun.com/products/plugin/1.2.2/jinstall-1_2_2-win.cab#Version=1,2,2,0">
<PARAM NAME="code" VALUE="TrackEvent.class">
<PARAM NAME="codebase" VALUE=".">
<PARAM NAME="type" VALUE="application/x-java-applet;version=1.2.2">
<COMMENT>
    <EMBED type="application/x-java-applet;version=1.2.2" 
       width="700" height="500" align="baseline" 
       code="TrackEvent.class" 
       codebase="."
       pluginspage="http://java.sun.com/products/plugin/1.2/plugin-install.html">
    <NOEMBED>
    </COMMENT>
       No Java 2 support for APPLET!!
    </NOEMBED></EMBED>
</OBJECT>
<FONT SIZE="+3"><PRE><B>
//: c13:TrackEvent.java
// Show events as they happen.
// &lt;applet code=TrackEvent
//  width=700 height=500&gt;&lt;/applet&gt;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import com.bruceeckel.swing.*;

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(Color.blue, "test1"),
    b2 = new MyButton(Color.red, "test2");
  class MyButton extends JButton {
    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 MyButton(Color color, String label) {
      super(label);
      setBackground(color);
      addFocusListener(fl);
      addKeyListener(kl);
      addMouseListener(ml);
      addMouseMotionListener(mml);
    }
  }  
  public void init() {
    Container c = getContentPane();
    c.setLayout(new GridLayout(event.length+1,2));
    for(int i = 0; i &lt; 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) {
    Console.run(new TrackEvent(), 700, 500);
  }
} ///:~
</B></PRE></FONT></body></html>
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