PPT Slide

Event Adapters: Registration

public class TestApplet extends Applet{

private Button myButton;

private EventHandler handle;

public void init(){

handle = new EventHandler(this);

myButton = new Button(“Click”);

myButton.addMouseListener(this);

. . . . . . . . .

public void takeActions() { . . . . }

public class EventHandler extends MouseAdapter{

TestApplet myApplet;

public EventHandler(TestApplet myApplet){

this.myApplet = myApplet ;

}

public void mousePressed(MouseEvent e){

myApplet .takeActions();

}

Passing ‘this’

allows for

call-backs

Event handled

by accessing

applet

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