//Damian Berezowski L1 17/12/18 Spr 1 Zad.3


import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.Toolkit;

import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;


public class Zaliczenie1 extends JFrame {
	MojKomponent komponent;
	int n=10;
	class MojKomponent extends JComponent{

		@Override
		protected void paintComponent(Graphics g) {
			int w = getWidth();
			int h = getHeight();


				g.drawLine(w/2, 0, w/2, h);
				g.drawLine(0,h/2,w/2,h/2);
				g.drawLine(0, 0, w/2, h/2);
				g.drawLine(0,h/2,w/2,h);
				g.drawLine(w*3/4,0,w/2,h);
				g.drawLine(w*3/4,0,w,h);
				for(int i=0;i<=n;i++){

					g.drawLine(i*w/2/n,0 ,i*w/2/n ,i*h/2/n );
					g.drawLine(w/2, h/2, w*i/n/2, h/2+h*i/2);
					g.drawLine(w*3/4,0,w/2+i*w/2/n ,h );

				}




			super.paintComponent(g);
		}
	}
	public Zaliczenie1(String string) {
		super(string);
		setDefaultCloseOperation(EXIT_ON_CLOSE);
		Toolkit kit = Toolkit.getDefaultToolkit();
		Dimension d = kit.getScreenSize();
		setBounds(d.width/4,d.height/4,d.width/2,d.height/2);
		add(komponent = new MojKomponent());

		JPanel panel = new JPanel(new BorderLayout());
		add(panel,BorderLayout.SOUTH);
		JPanel panelL = new JPanel(new BorderLayout());
		panel.add(panelL, BorderLayout.WEST);
		JPanel panelC = new JPanel(new BorderLayout());
		panel.add(panelC, BorderLayout.CENTER);
		JPanel panelR = new JPanel(new BorderLayout());
		panel.add(panelR, BorderLayout.EAST);

		JLabel labeln = new JLabel("n");
		panelL.add(labeln, BorderLayout.NORTH);


		final JLabel labelRN = new JLabel(Opisn());
		panelR.add(labelRN,BorderLayout.NORTH);
		labelRN.setHorizontalAlignment(SwingConstants.RIGHT);


		final JSlider slidern = new JSlider(1,20,n);
		slidern.addChangeListener(new ChangeListener() {

			@Override
			public void stateChanged(ChangeEvent e) {
				n = slidern.getValue();
				labelRN.setText(Opisn());
				komponent.repaint();
			}
		});
		panelC.add(slidern,BorderLayout.NORTH);



		setVisible(true);
	}

	private String Opisn() {
		return String.format("%02d", n);
	}

	private String Opism() {
		return String.format("%02d", m);
	}

	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {

			@Override
			public void run() {
				new Zaliczenie1("Zaliczenie nr 3");
			}
		});
	}

}