package javaapplication16;

//import static com.sun.java.accessibility.util.SwingEventMonitor.addChangeListener;
import java.util.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseListener;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class JavaApplication16 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Okno o = new Okno("ABC", 100, 200, 500, 500);

    }
}
//------------------------------------------------------------------------------
class Okno extends JFrame
{
    private MojPanel centr = new MojPanel();
    JSlider R = new JSlider(0, 255, 100), G = new JSlider(0, 255, 100), B = new JSlider(0, 255, 100);
    private Container tlo;
    int bn = 100, rn = 100, gn = 100;

    public Okno(String atyt, int ax0, int ay0, int aszer, int awys)
    {
        super(atyt);
        setBounds(ax0, ay0, aszer, awys);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        tlo = getContentPane();
//        tlo.setBackground(new Color(100, 100, 100));
        budujUI();
        setVisible(true);
    }
     private void budujUI()
     {
        tlo.setLayout( new BorderLayout());

        JPanel gorny = new JPanel();
        gorny.setBackground(Color.blue);
        //gorny.setLayout(new GridLayout(1,4));
//        gorny.setLayout(new FlowLayout(FlowLayout.RIGHT ,10, 5));
        tlo.add(BorderLayout.NORTH, gorny);

        tlo.add(BorderLayout.CENTER, centr);
        //MojPanel cent = new MojPanel();
        //tlo.add(BorderLayout.CENTER, cent);

        JButton koniec = new JButton("Koniec");
        koniec.addActionListener(new ActionListener()
        {
            @Override
            public void actionPerformed(ActionEvent ae) {
                dispose();
            }
        });
        gorny.add(koniec);


        R.addChangeListener(new KliknietoSlider());
        gorny.add(R);

        G.addChangeListener(new KliknietoSlider());

        gorny.add(G);

        B.addChangeListener(new KliknietoSlider());

        gorny.add(B);
    }

    class KliknietoSlider implements ChangeListener
    {
        @Override
        public void stateChanged(ChangeEvent ce) {
            centr.setKolorKota(new Color(R.getValue(), G.getValue(), B.getValue()));
        }
    }
}
//------------------------------------------------------------------------------
class MojPanel extends JPanel
{
    private Color k = new Color(100, 100, 100);
    public MojPanel()
    {
        super();
    }
    @Override
    public void paintComponent(Graphics g)
    {
        super.paintComponent(g);
        int szer = getWidth();
        int wys = getHeight();

        g.setColor(k);
        g.fillOval(szer/4, wys/4, szer/2, wys/2);
//        g.setColor(k);
        g.drawOval(szer/4, wys/4, szer/2, wys/2);
    }
    public void setKolorKota( Color ak)
    {
        k = ak;
        repaint();
    }
}