package colorjpane;import javax.swing.*;import javax.swing.event.*;import javax.swing.colorchooser.*;import java.awt.*;import java.awt.event.*;public class Test extends JApplet {        private JColorChooser chooser = new JColorChooser();        private AbstractColorChooserPanel colorPanels[] =                        new AbstractColorChooserPanel[] {                                new ListPanel(),                        };        private JButton button = new JButton("Show Color Chooser");        private JDialog dialog;        public void init() {          Container contentPane = getContentPane();          contentPane.setLayout(new FlowLayout());          contentPane.add(button, BorderLayout.CENTER);          chooser.addChooserPanel(colorPanels[0]);          button.addActionListener(new ActionListener() {             public void actionPerformed(ActionEvent e) {               if(dialog == null)               dialog	= JColorChooser.createDialog(               Test.this,  // parent comp               "Pick A Color",   // dialog title                false, 			  // modality                chooser,                null, null);                dialog.setVisible(true);                }              });        }}class ListPanel extends AbstractColorChooserPanel      implements ListSelectionListener {        private JPanel labelPanel = new JPanel(),                                   listPanel = new JPanel();        private JList CList = new JList(), MList = new JList(),YList = new JList(),                              KList=new JList();        private DefaultListModel CModel = new DefaultListModel(),            MModel = new DefaultListModel(),YModel = new DefaultListModel(),            KModel=new DefaultListModel();        private boolean isAdjusting = false;        ColorTranslate CMYKRGB=new ColorTranslate();        public void updateChooser() {                if( ! isAdjusting) {                        isAdjusting = true;                        /***********************                        Color color = getColorFromModel();                        int r = color.getRed(), g = color.getGreen(),                                b = color.getBlue();                        CList.setSelectedIndex(r);                        CList.ensureIndexIsVisible(r);                        MList.setSelectedIndex(b);                        MList.ensureIndexIsVisible(b);                        YList.setSelectedIndex(g);                        YList.ensureIndexIsVisible(g);                        ***********************************/                        Color color = getColorFromModel();                        CMYKRGB.RGBtoCMYK(color);                        CList.setSelectedIndex(CMYKRGB.C);                        MList.setSelectedIndex(CMYKRGB.M);                        YList.setSelectedIndex(CMYKRGB.Y);                        KList.setSelectedIndex(CMYKRGB.K);                        CList.ensureIndexIsVisible(CMYKRGB.C);                        MList.ensureIndexIsVisible(CMYKRGB.M);                        YList.ensureIndexIsVisible(CMYKRGB.Y);                        KList.ensureIndexIsVisible(CMYKRGB.K);                        isAdjusting = false;                }        }    protected void buildChooser() {                CList.setFixedCellWidth(50);                MList.setFixedCellWidth(50);                YList.setFixedCellWidth(50);                KList.setFixedCellWidth(50);                for(int i=0; i <=100; ++i) {                        CModel.addElement(Integer.toString(i));                        MModel.addElement(Integer.toString(i));                        YModel.addElement(Integer.toString(i));                        KModel.addElement(Integer.toString(i));                }                CList.setModel(CModel);                MList.setModel(MModel);                YList.setModel(YModel);                KList.setModel(KModel);                listPanel.setLayout(new GridLayout(0,4,10,0));                listPanel.add(new JScrollPane(CList));                listPanel.add(new JScrollPane(MList));                listPanel.add(new JScrollPane(YList));                listPanel.add(new JScrollPane(KList));                labelPanel.setLayout(new GridLayout(0,4,10,0));                labelPanel.add(new JLabel("C"));                labelPanel.add(new JLabel("M"));                labelPanel.add(new JLabel("Y"));                labelPanel.add(new JLabel("K"));                setLayout(new BorderLayout());                add(labelPanel, BorderLayout.NORTH);                add(listPanel, BorderLayout.CENTER);                CList.addListSelectionListener(this);                MList.addListSelectionListener(this);                YList.addListSelectionListener(this);                KList.addListSelectionListener(this);        }        public void valueChanged(ListSelectionEvent e) {                if(isAdjusting)                  return;                isAdjusting=true;                CMYKRGB.C = CList.getSelectedIndex();                CMYKRGB.M = MList.getSelectedIndex();                CMYKRGB.Y = YList.getSelectedIndex();                CMYKRGB.K = KList.getSelectedIndex();                if((CMYKRGB.C<=100)&&(CMYKRGB.M<=100)&&(CMYKRGB.Y<=100)                   &&(CMYKRGB.K<=100)&&(CMYKRGB.C>=0)&&(CMYKRGB.M>=0)&&(CMYKRGB.Y>=0)                   &&(CMYKRGB.K>=0))                     getColorSelectionModel().setSelectedColor(CMYKRGB.CMYKtoRGB());               isAdjusting=false;        }      public String getDisplayName() {                return "CMYK";        }    public Icon getSmallDisplayIcon() {                return null;        }    public Icon getLargeDisplayIcon() {                return null;        }}