import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Joonis3 extends JComponent implements ActionListener{
   int laius=40;
   int korgus=20;
   JTextField tf=new JTextField(String.valueOf(laius));
   JTextField tf2=new JTextField(String.valueOf(korgus));
   JCheckBox cb=new JCheckBox();
   JColorChooser varvivalik=new JColorChooser();
   JPanel p=new JPanel(new GridLayout(3, 2));
   public Joonis3(){
     setLayout(new BorderLayout());
	 p.add(new JLabel("Laius:"));
	 p.add(tf);
	 p.add(new JLabel("Kõrgus:"));
	 p.add(tf2);
	 p.add(new JLabel("Täis:"));
	 p.add(cb);
     add(p, BorderLayout.SOUTH);
	 add(varvivalik, BorderLayout.NORTH);
	 tf.addActionListener(this);
	 tf2.addActionListener(this);
	 cb.addActionListener(this);
	 varvivalik.setPreviewPanel(new JPanel());
   }
   public void actionPerformed(ActionEvent e){
      laius=Integer.parseInt(tf.getText());
      korgus=Integer.parseInt(tf2.getText());
	  repaint();
   }
   public void paintComponent(Graphics g){
      g.setColor(varvivalik.getColor());
	  if(cb.isSelected()){ 
  	     g.fillOval(50, 320, laius, korgus);
	  } else {
  	     g.drawOval(50, 320, laius, korgus);	  
	  }
   }
   
   public static void main(String[] arg){
      JFrame f=new JFrame("Esimene aken");
	  f.setSize(300, 500);
	  f.getContentPane().add(new Joonis3());
	  f.setVisible(true);
	  f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   }
}