自定义颜色选择面板

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.colorchooser.*;//******************
class JColorChooserCustomTest 
{
    JFrame mainFrame;
    JPanel mainPanel;
    JColorChooser cc;

    public JColorChooserCustomTest()  {
        mainFrame = new JFrame("JColorChooserTest");
        mainPanel = new JPanel(new BorderLayout());
        cc = new JColorChooser();

//**************************************************************************************************************************
        AbstractColorChooserPanel accps[] = { new CustomColorChooserPanel(), 
                new CustomColorChooserPanel()};
        cc.setChooserPanels(accps);
//**************************************************************************************************************************
        mainPanel.add(cc);
        mainFrame.add(mainPanel);
        Container mainContainer = mainFrame.getContentPane();
        mainContainer.add(mainPanel,BorderLayout.PAGE_START);
        mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        mainFrame.pack();
        mainFrame.setVisible(true);
    }
    public static void main(String[] args){
        SwingUtilities.invokeLater(new Runnable(){
            public void run(){
                new JColorChooserCustomTest();
            }
        });
    }
}
//*******************************************************************************************
class CustomColorChooserPanel extends AbstractColorChooserPanel implements ActionListener{
    
    JButton redButton;
    JButton greenButton;
    JButton blueButton;
    
    public CustomColorChooserPanel(){
        
        this.redButton = new JButton("red");
        this.greenButton = new JButton("green");
        this.blueButton = new JButton("blue");
                
        redButton.addActionListener(this);
        greenButton.addActionListener(this);
        blueButton.addActionListener(this);
    }
    public void actionPerformed(ActionEvent ae) {
        if((JButton)ae.getSource() == redButton){
            getColorSelectionModel().setSelectedColor(Color.red);
        }else{
            if((JButton)ae.getSource() == greenButton){
                getColorSelectionModel().setSelectedColor(Color.green);
            }
            else{
                getColorSelectionModel().setSelectedColor(Color.blue);
            }
        }
    }
    public void buildChooser(){
        add(redButton);
        add(greenButton);
        add(blueButton);
    }
    public void updateChooser(){

    }
    public String getDisplayName(){
        return "CustomPanel";
    }
    public Icon getSmallDisplayIcon() {
        return null;
    }

    public Icon getLargeDisplayIcon() {
        return null;
    }
}
//**************************************************************************************************************