How can I "Take it from the Top" ?

Question

I have coded a simple applet, using Buttons and the Graphics method.
The applet runs vertically longer than a single screen's height,
so the vertical scrollbar on my browser windo goes into action.
There are bottons running up and down the page.
When a button is pressed, an image is displayed at (0, 0) for a screen's width and height.
The problem arises when one of the buttons toward the bottom of the page is pressed.
The image gets "displayed" at (0, 0), but I wouldn't know it because I am looking at the bottom
part of the graphical display.
Is there a method which will reposition the display to the top of the page?
Perhaps a method regulating the main scrollbar to the browser window?
HTML would allow me to activate an anchor positioned at the top of the page.
This is the kind of functionality which would work in this case.

Answer 1

>
This sound more easily achieved than the one above (for me).>This comment confused me since the approach outlined in that reply, and the next one, seems to pursue neither of the ideas offered.
The first part of my idea might be expressed as..
// <applet code='BigScrollApplet' width='400' height='300' ></applet>
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class BigScrollApplet extends JApplet implements ActionListener {
    JLabel imageLabel;
    @Override
    public void init() {
        JPanel mainGui = new JPanel(new BorderLayout(3,3));
        mainGui.setBorder(new
            javax.swing.border.EmptyBorder(2,2,2,2));
        JPanel buttons = new JPanel( new GridLayout(0,1,1,1) );
        for (int ii=0; ii<500; ii++) {
            JButton button = new JButton("Image " + (ii+1));
            button.addActionListener(this);
            buttons.add( button );
        JScrollPane scrollPane = new JScrollPane(
            buttons,
            JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
            JScrollPane.HORIZONTAL_SCROLLBAR_NEVER );
        mainGui.add( scrollPane, BorderLayout.WEST );
        imageLabel = new JLabel(
            "'Image' appears HERE!",
            JLabel.CENTER);
        // for the real applet, this label would be
        // in it's own scroll pane.
        mainGui.add( imageLabel, BorderLayout.CENTER );
        add(mainGui);
        validate();
    @Override
    public void actionPerformed(ActionEvent ae) {
        imageLabel.setText( ae.getActionCommand() );
}Have a look over this, then carefully read what I wrote, again. Let us see if you get it the second time around. (But for just 2 dukes, my patience will not last long..)
Edit 1:
Added @Override notation to init() method.
Edited by: AndrewThompson64 on Jun 27, 2009 6:13 AM
Edit 2:
Changed 'this reply' to 'that reply' in 1st sentence - so it makes sense.
Edited by: AndrewThompson64 on Jun 27, 2009 6:15 AM