Polymorphism - Java Software Solutions: Foundations of Program Design - page 529

LISTING 10.16
//********************************************************************
// SlideColorPanel.java Author: Lewis/Loftus
//
// Represents the slider control panel for the SlideColor program.
//********************************************************************
import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
public class SlideColorPanel extends JPanel
{
private JPanel controls, colorPanel;
private JSlider rSlider, gSlider, bSlider;
private JLabel rLabel, gLabel, bLabel;
//-----------------------------------------------------------------
// Sets up the sliders and their labels, aligning them along
// their left edge using a box layout.
//-----------------------------------------------------------------
public SlideColorPanel()
{
rSlider = new JSlider (JSlider.HORIZONTAL, 0, 255, 0);
rSlider.setMajorTickSpacing (50);
rSlider.setMinorTickSpacing (10);
rSlider.setPaintTicks ( true );
rSlider.setPaintLabels ( true );
rSlider.setAlignmentX (Component.LEFT_ALIGNMENT);
gSlider = new JSlider (JSlider.HORIZONTAL, 0, 255, 0);
gSlider.setMajorTickSpacing (50);
gSlider.setMinorTickSpacing (10);
gSlider.setPaintTicks ( true );
gSlider.setPaintLabels ( true );
gSlider.setAlignmentX (Component.LEFT_ALIGNMENT);
bSlider = new JSlider (JSlider.HORIZONTAL, 0, 255, 0);
bSlider.setMajorTickSpacing (50);
bSlider.setMinorTickSpacing (10);
bSlider.setPaintTicks ( true );
bSlider.setPaintLabels ( true );
bSlider.setAlignmentX (Component.LEFT_ALIGNMENT);