import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

// Mateusz Rzeznik GR.1 Nr.Zad:5
public class kolokwium extends JFrame{
	private MyComponent komponent;
	private int n=4;
	private int rr=128,gg=128,bb=128;

	public class MyComponent extends JComponent{


		public void paintComponent(Graphics g)
		{
			g.setColor(new Color(rr,gg,bb) );
			int x= getWidth()/2;
			int y= getHeight()/2;
			g.drawLine(x,getHeight(),x,0);
			g.drawLine(x, y, getWidth(), y);
			g.drawLine(0,0,x,getHeight());

			for (int i =0 ; i<n;i++)
			{

			}



		}


	}




	public kolokwium(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 MyComponent());
			JMenuBar menu =new JMenuBar();
			JMenu m = new JMenu("kolor");
			JMenuItem item = new JMenuItem("czerwony");
			item.addActionListener(new ActionListener(){

				@Override
				public void actionPerformed(ActionEvent e) {
					rr=255; gg=0; bb=0;
					komponent.repaint();



				}

			});
			m.add(item);
			item = new JMenuItem("niebieski");
			item.addActionListener(new ActionListener(){

				@Override
				public void actionPerformed(ActionEvent e) {
					rr=0; gg=0; bb=255;
					komponent.repaint();



				}

			});
			m.add(item);
			item = new JMenuItem("zielony");
			item.addActionListener(new ActionListener(){

				@Override
				public void actionPerformed(ActionEvent e) {
					rr=0; gg=255; bb=0;
					komponent.repaint();



				}

			});



			m.add(item);
			menu.add(m);
			setJMenuBar(menu);
			JPanel panel=new JPanel(new BorderLayout());
			final JSlider slider=new JSlider(1,100,n);
			slider.addChangeListener(new ChangeListener() {

				@Override
				public void stateChanged(ChangeEvent e) {
					n=slider.getValue();
					komponent.repaint();
				}
			});
			panel.add(slider,BorderLayout.NORTH);
			setVisible(true);


	}

	public static void main(String[] args) {

		EventQueue.invokeLater(new Runnable() {

            @Override
            public void run() {
                new kolokwium("kolokwium");
            }
        });

	}

}