explain of codes
Anyone who knows the codes below, can you please kindly explain to me.. because i have difficulties understanding thanks in advance..
[Code}
// <applet code="ImageSlider" width="400" height="400"></applet>
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;
import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.event.*;
public class ImageSlider extends JApplet implements ChangeListener {
BufferedImage[] images;
JLabel label;
public void init() {
images = getImages();
getContentPane().setLayout(new BorderLayout());
getContentPane().add(getLabelComponent());
getContentPane().add(getSlider(), "Last");
}
public void stateChanged(ChangeEvent e) {
JSlider slider = (JSlider)e.getSource();
int index = slider.getValue() -1;
label.setIcon(new ImageIcon(images[index]));
}
private JScrollPane getLabelComponent() {
label = new JLabel(new ImageIcon(images[0]));
label.setHorizontalAlignment(JLabel.CENTER);
return new JScrollPane(label);
}
private JSlider getSlider() {
JSlider slider = new JSlider(1, 4, 1);
slider.setPaintTicks(true);
slider.setPaintLabels(true);
slider.setMajorTickSpacing(1);
slider.setSnapToTicks(true);
slider.addChangeListener(this);
return slider;
}
private BufferedImage[] getImages() {
BufferedImage[] images = new BufferedImage[4];
for(int j = 0; j < images.length; j++) {
try {
String path = "images/t" + (j+1) + ".gif";
images[j] = ImageIO.read(new File(path));
} catch(IOException e) {
System.out.println("Read error: " + e.getMessage());
}
}
return images;
}
}
[/Code]
