private JScrollBar createScrollBar(int row) {
JScrollBar scrollBar = new JScrollBar();
scrollBar.setMinimum(0);
scrollBar.setVisibleAmount(1);
scrollBar.setBlockIncrement(1);
scrollBar.setOrientation(JScrollBar.HORIZONTAL);
GridBagConstraints scrollBarContraints = new GridBagConstraints();
scrollBarContraints.fill = GridBagConstraints.HORIZONTAL;
scrollBarContraints.weightx = 1.0;
scrollBarContraints.gridx = 1;
scrollBarContraints.gridy = row;
super.add(scrollBar, scrollBarContraints);
return scrollBar;
}
public BallControlUsingThread() {
// Group buttons in a panel
JPanel panel = new JPanel();
panel.add(jbtSuspend);
panel.add(jbtResume);
panel.add(jbtAdd);
panel.add(jbtSubtract);
// Add ball and buttons to the panel
ball.setBorder(new javax.swing.border.LineBorder(Color.red));
jsbDelay.setOrientation(JScrollBar.HORIZONTAL);
ball.setDelay(jsbDelay.getMaximum());
setLayout(new BorderLayout());
add(jsbDelay, BorderLayout.NORTH);
add(ball, BorderLayout.CENTER);
add(panel, BorderLayout.SOUTH);
// Register listeners
jbtSuspend.addActionListener(this);
jbtResume.addActionListener(this);
jbtAdd.addActionListener(this);
jbtSubtract.addActionListener(this);
jsbDelay.addAdjustmentListener(this);
}