/* ImageStatusMessage.java
  *
  * A Java Applet demonstrating how to use an image map to display messages
  * on the window status bar.
  *
  * Authored by Khim Theng
  * khim_theng@completeesolutions.com
  *
  * Last modified on 05/11/2000
  */

import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;  //Classes to handle events

public class ImageStatusMessage extends Applet implements MouseListener, MouseMotionListener
{
    Image mapImage;  //Declare an image object
    MediaTracker trackImage;  //Used to track images
    int width, height;  //Variables to hold the width and height

    public void init()
    {
        addMouseListener(this);  //Register MouseListener
        addMouseMotionListener(this);  //Register MouseMotionListener
        trackImage = new MediaTracker(this);  //Used to determine when an image is loaded completely

        //getDocumentBase() method indicates where to locate the HTML file
        //The second argument is the name of the image map.
        mapImage = getImage(getDocumentBase(), "3dogs.jpg");

        //Register the loading image with the MediaTracker object trackImage
        trackImage.addImage(mapImage, 0); 

        try
        {
            trackImage.waitForAll();
        }
        catch(InterruptedException e) {}

        width = mapImage.getWidth(this);
        height = mapImage.getHeight(this);
        resize(width, height);
    } //End of init

    public void paint(Graphics g)
    {
        g.drawImage(mapImage, 0, 0, this);
    }

    public void mouseMoved(MouseEvent e)
    {
        //Display the message on the status bar when the mouse is over the image
        showStatus(displayLocationMessage(e.getX()));
    }

    //Empty abstract methods
    public void mouseExited(MouseEvent e)   {}      
    public void mouseDragged(MouseEvent e)  {}
    public void mousePressed(MouseEvent e)  {}
    public void mouseReleased(MouseEvent e) {}
    public void mouseEntered(MouseEvent e)  {}
    public void mouseClicked(MouseEvent e)  {}

    public String displayLocationMessage(int x)
    {
        //Determine the width of each icon
        int iconWidth = width/3;

        //Output the value
        if (x >= 0 && x <= iconWidth)
            return "Tung! Tung!  My boy!";
        else if (x > iconWidth && x <= iconWidth * 2)
            return "Teeny-weeny!  What a sweet dog!";
        else if (x > iconWidth * 2 && x <= iconWidth * 3)
            return "Truc!  The cleanest dog in the whole wide world!";

        return "";
    }
} //End of ImageStatusMessage