Draw Panel

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.Random;

import javax.swing.JPanel;

public class DrawPanel extends JPanel implements MouseListener{

    /**
     * Create the panel.
     */

    private String figura;
    private Color []  boje={Color.BLACK,Color.BLUE,Color.RED,Color.MAGENTA,Color.YELLOW, Color.GREEN};
    ListaTacaka lt;


    public String getFigura() {
        return figura;
    }

    public void setFigura(String figura) {
        this.figura = figura;
    }

    public DrawPanel() {

        figura = "Krug";
        addMouseListener(this);
        lt= new ListaTacaka(null);
    }





    @Override
    protected void paintComponent(Graphics arg0) {
        // TODO Auto-generated method stub
        super.paintComponent(arg0);
        Graphics2D g=(Graphics2D)arg0;
        g.setColor(Color.ORANGE);
        g.drawRect(10,20,100,60);
        g.setColor(Color.YELLOW);
        g.fillRect(120,120, 100,60);

        /*  g.drawOval(10, 20, 200,200);
        g.setColor(Color.BLUE);
        g.fillOval(70,  80, 20, 20);
        g.fillOval(140,  80, 20, 20);
        g.setColor(Color.BLACK);
        g.drawOval(70,  80, 20, 20);
        g.drawOval(140,  80, 20, 20);
        g.drawLine(110, 80, 70, 150);
        g.drawLine(70, 150, 105, 150);

        g.drawArc(70, 160, 70, 20, 209, 120);
    */
        //g.drawOval(x, y, width, height);


        Tacka t1= new Tacka(250,250);
        Tacka t2= new Tacka(150,10);
        t1.pain(g);
        t2.pain(g);

        if (lt==null) return; //za pamcenje vec nacrtanih objekata
        lt.paint(g);

    }

    @Override
    public void mouseClicked(MouseEvent arg0) {
        Graphics2D g=(Graphics2D) getGraphics();
        Random r = new Random();
        int ind = r.nextInt(boje.length);
        g.setColor(boje[ind]);



        int w= 20+r.nextInt(81);
        int h= 20+r.nextInt(81);
        if(arg0.getButton()==MouseEvent.BUTTON3)
        {

            //g.drawString("PMF", arg0.getX(), arg0.getY());
            Tacka t=new Tacka(arg0.getX(),arg0.getY());
            lt.add(t);
            t.pain(g);
            System.out.println(t);

            return;
        }
        if(figura.equals("Duz"))
        {
            //crtaj duz
            g.drawLine(arg0.getX(), arg0.getY(), 100, 200);
        }
        else if(figura.equals("Elipsa"))
        {
            //crtaj elipsu
            g.fillOval(arg0.getX(), arg0.getY(), 60+w, 40+h);
        }
        else if (figura.equals("Pravougaonik"))
        {
            // crtaj pravougaonik
            g.drawRect(arg0.getX(), arg0.getY(), w, h);
        }
        else
        {
            System.out.println("Nesto nije u redu. :( ");
        }

    }

    @Override
    public void mouseEntered(MouseEvent arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void mouseExited(MouseEvent arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void mousePressed(MouseEvent arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void mouseReleased(MouseEvent arg0) {
        // TODO Auto-generated method stub

    }







}