Drag and Drop Move component on Java Applet Coding Tips on Java Example

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Moving an Image within
a specified area of
Graphical User interface,
can be done using Drag
and Drop, or by locating
position of mouse
pointer (such as X and Y
coordinates). This example
deals with locating X and
Y Co-ordinates of an Applet
and moving image from existing
to any other mouse clicked
position,




Source code of this example as follows:
/*
All contents of this site is/are written
and provided on an "AS IS" basis,
without WARRANTIES or conditions of any kind,
either express or implied, including, without
limitation, merchantability, or fitness for a
particular purpose. You are solely responsible
for determining the appropriateness of using or
refering this and assume any risks associated
with this.

Author: guddumails@yahoo.com
Date: 05-March-2008
*/
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.net.URL;

public class GameApplet extends Applet
 implements MouseListener, MouseMotionListener {

 public GameApplet() {
     status = false;
 }

 public void init() {
   try {
     setSize(200, 200);
     setBackground(new Color(200, 200, 200));
     Toolkit toolkit = Toolkit.getDefaultToolkit();
     img = toolkit.getImage(new URL("URL_OF_HOST/Image_Name"));
     addMouseListener(this);
     addMouseMotionListener(this);
     g = getGraphics();
     paint(g);
   } catch(Exception exception) { }
 }

 public void paint(Graphics g1) {
   if(!status) {
     g1.clearRect(0, 0, 200, 200);
     g1.drawImage(img, x, y, img.getWidth(null), img.getHeight(null), null);
   }
 }

 public void mouseClicked(MouseEvent mouseevent) {
     x = mouseevent.getX();
     y = mouseevent.getY();
     g = getGraphics();
     paint(g);
 }

 public void mousePressed(MouseEvent mouseevent)
 {
     x = mouseevent.getX();
     y = mouseevent.getY();
     g = getGraphics();
     paint(g);
 }

 public void mouseReleased(MouseEvent mouseevent)
 {
     x = mouseevent.getX();
     y = mouseevent.getY();
     g = getGraphics();
     status = false;
     paint(g);
 }

 public void mouseExited(MouseEvent mouseevent)
 {
 }

 public void mouseEntered(MouseEvent mouseevent)
 {
 }

 public void mouseMoved(MouseEvent mouseevent)
 {
     status = false;
 }

 public void mouseDragged(MouseEvent mouseevent)
 {
     x = mouseevent.getX();
     y = mouseevent.getY();
     g = getGraphics();
     paint(g);
 }

 boolean status;
 static int x;
 static int y;
 Graphics g;
 Image img;
}




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