MYPANEL

package Spiel;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.util.Timer;
import java.util.TimerTask;

import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.JTextArea;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class MyPanel extends JPanel {


	private Point pos;
	private JTextArea Time;
	private static  int RADIUS = 10;
	private static final int DIAMETER = 2 * RADIUS;
	private JFrame f;
	private Color co = new Color(0,0,0);
	private JButton c;
	private int sek = 180;
	Timer timer = new Timer();


	private boolean aktiv = true;
	public MyPanel(JFrame f) {

		pos = new Point(50,50);
		this.f = f;
		initcomps();
		updateColor();
		startZeit();
		addEventListener();
		repaint();



	}





	public void startZeit() {



		TimerTask task = new TimerTask() {

		@Override
		public void run() {



			if(aktiv==true){

				if(sek==0){
				timer.cancel();

				}

				String anzeige = Integer.toString(sek);
				Time.setText(anzeige);
				System.out.println(sek);

				sek--;
			}else{

			}
			}
		};
		timer.schedule(task, 0, 1000);


	}









	private void updateColor() {

		this.c.addActionListener(new ActionListener() {

			@Override
			public void actionPerformed(ActionEvent e) {
				 JColorChooser colorChooser = new JColorChooser();
				Color ccccccccccccc = colorChooser.showDialog(null, "color", Color.BLACK);
				co = ccccccccccccc;
			}
		});


	}



	private void initcomps() {

		this.setLayout(null);

		this.Time = new JTextArea();
		this.add(Time);
		Time.setEditable(false);
		Font fo = new Font("Arial", Font.BOLD, 30);
		Time.setFont(fo);
		Time.setForeground(Color.BLACK);
		Time.setBounds(0, 0, 50, 50);
		Time.setText("180");

		this.c = new JButton("color");
		this.add(c);
		c.setBounds(700,500 , 75, 50);


		JSlider Big;

		Big = new JSlider(JSlider.HORIZONTAL,0, 15, 200);
		Big.setMajorTickSpacing(255);
		Big.setMinorTickSpacing(1);
		Big.setPaintTicks(true);
		Big.setPaintLabels(true);
		Big.setForeground(new Color(0, 0, 0));
		Big.setBounds(700, 100, 400, 40);

		Big.addChangeListener(new ChangeListener() {

			@Override
			public void stateChanged(ChangeEvent e) {

				int r = Big.getValue();

				RADIUS = r;
			}
		});

		Big.setVisible(false);
		Big.setPaintLabels(true);
		Big.setPaintTicks(false);




		JTextArea LOG = new JTextArea();
		this.add(LOG);
		LOG.setEditable(false);
		Font ff = new Font("Arial", Font.BOLD, 20);
		LOG.setFont(ff);
		LOG.setForeground(Color.black);
		LOG.setBounds(500, 0, 300, 500);
		LOG.setText("Test");
		repaint();


		this.setSize(810,610);
        Thread thread = new Thread(){
            public void run(){
                try {sleep(10);} catch (Exception e) {}
                f.setSize(800,600);
                this.interrupt();
            }
        };
        thread.start();


	}

	private void addEventListener() {

		addMouseMotionListener(new MouseMotionAdapter() {

			public void mouseMoved(MouseEvent e) {
				updatepos(e);
			}

			private void updatepos(MouseEvent e) {

				pos.setLocation(e.getPoint());
				repaint();

			}

		});

	}








	@Override
	protected void paintComponent(Graphics g) {

		g.setColor(Color.WHITE);
		g.fillRect(0, 0, getWidth(), getHeight());


		g.setColor(co);
		int x = pos.x - RADIUS;
		int y = pos.y - RADIUS;

		g.fillOval(x, y, DIAMETER, DIAMETER);

	}




}