la04 ia moja verzija konecna :)

package ia_lab4;

import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import javax.swing.DefaultListModel;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.border.TitledBorder;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

/**
 *
 * @author Mitko
 */
public class IA_lab4 {

    JFrame ramka;
    JPanel p1,p2,p3,p4;
    JList<Book> list,list2;
    ArrayList<Book> selected;
    JTextField f1;
    JTextField f2;
    JTextField f3;
    JTextField f4;
    JTextField f5;
    JLabel lb21;
    JPanel pn22;
    JLabel l1;
    JLabel l2;
    JLabel l3;
    JLabel l4;
    JLabel l5;
    JPanel pn2;
    JPanel pan5;
    JButton but;
    JPanel panela_lista;



    public IA_lab4()
    {
    ramka=new JFrame();
        ramka.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        ramka.setLayout(new GridLayout(1,3));
       ramka.setSize(250,250);


      Database.initDatabase();
      list=new JList(Database.getBooks());
      list.setBorder(new TitledBorder("Book List: "));
      list.addListSelectionListener(new ListSelectionListener() {

            @Override
            public void valueChanged(ListSelectionEvent e) {
                Book pc=(Book) list.getSelectedValue();
        ImageIcon ic=new ImageIcon(pc.getPicture());
        Image im=ic.getImage();
        im=im.getScaledInstance(200,200,Image.SCALE_SMOOTH);

        ic=new ImageIcon(im);
        lb21.setIcon(ic);
        lb21.setHorizontalAlignment(JLabel.CENTER);
        f1.setText(pc.getTitle());
        f2.setText(pc.getISBN());
        f3.setText(String.valueOf(pc.getYear()));
        f4.setText(pc.getPublisher());
       // f5.setText(pc.getCena());
            }


        });

      pn2=new JPanel(new GridLayout(2,1));
       pan5=new JPanel();
      but=new JButton("Add To Cart>>");
      pan5.add(but);
  //      final DefaultListModel<Book> model = new DefaultListModel<>();
   //   list2=new JList(model);

 /*     but.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(ActionEvent ae) {
            throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
                Book b = list.getSelectedValue();
                model.addElement(b);


        }
    });*/


     list2=new JList();
     selected=new ArrayList<>();
      but.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
if (list.getSelectedIndex() != -1) {
selected.add(list.getSelectedValue());
Book[] books = new Book[selected.size()];
books = selected.toArray(books);
list2.setListData(books);
}
}
});

      panela_lista = new JPanel();
      panela_lista.setBorder(new TitledBorder("Selected books"));
      panela_lista.add(list2);

      pn22=new JPanel(new GridLayout(10,1));
      l1=new JLabel("Title: ");
      l2=new JLabel("ISBN: ");
      l3=new JLabel("Year: ");
      l4=new JLabel("Publisher: ");
     // l5=new JLabel("Price: ");
      f1=new JTextField();
      f2=new JTextField();
      f3=new JTextField();
      f4=new JTextField();
     // f5=new JTextField();
      pn22.add(l1);
      pn22.add(f1);
      pn22.add(l2);
      pn22.add(f2);
      pn22.add(l3);
      pn22.add(f3);
      pn22.add(l4);
      pn22.add(f4);
      pn22.add(pan5);


//      pn22.add(l5);
//      pn22.add(f5);

      lb21=new JLabel();





       pn2.add(lb21);

       pn2.add(pn22);
     // pn2.add(lbl5);

      ramka.getContentPane().add(list);
       ramka.getContentPane().add(pn2);
        ramka.getContentPane().add(panela_lista);







        ramka.setVisible(true);

    }







    public static void main(String[] args) {
        // TODO code application logic here
        IA_lab4 ramka=new IA_lab4();

    }
}