Library

package librarysystem;

/**
 *
 * @author Lowe
 */
public class LibrarySystem {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Book b1 = new Book("Tures äventyr", 4500);
        Book b2 = new Book("Solskensdalen", 42332);
        Book b3 = new Book("Wikipedia vol 1", 42342);

        Library LibraryN =new Library();

        LibraryN.addBook(b1);
        LibraryN.addBook(b2);
        LibraryN.addBook(b3);
        System.out.println(LibraryN.findBook(1002).title());



         Gui gui=new Gui(LibraryN);
    }

}



package librarysystem;

/**
 *
 * @author Lowe
 */
import java.util.*;
public class Library {
    private ArrayList books = new ArrayList();

    public void addBook (Book b){
        books.add(b);
    }
    public  Book findBook(String isbnNo){
        for(int i = 0; i < Books.size(); i++){
                Book temp = (Book)books.get(i);
                if(temp.isbnNo()== isbnNo){
                    return temp;
                }
        }
        return null;
    }

}




package librarysystem;

/**
 *
 * @author Lowe
 */
public class Book {
    private int storage;
    private String isbnNo;
    private String title;
    private static int counter = 1000;

    public Book(String title, double initBalance){
        this.title = title;
        this.storage = initStorage;
    }

    public void rebound(double amount){
        this.storage += amount;
    }

    public int storage(){
    return storage;}
    public void withdraw( double amount){
        if(storage >= amount){
        this.storage -= amount;
        }
    }
    public String isbnNo(){
        return isbnNo;
    }
    public String title(){
        return title;
    }
    public String toString(){
        return "name: " + holder + "\n " + "accountNo:" + accountNo +  "\n " + "balance: " + balance +"\n";
    }

}



import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Gui {
    private JFrame frame = new JFrame("Library");
    private JPanel background, centerPanel,southPanel;
    private JLabel l_isbnNo,l_title,l_rebound,l_lend,l_storage;
    private JTextField tf_isbnNo, tf_title, tf_rebound,tf_lend,tf_storage;
    private JButton b_find,b_rebound,b_lend,b_clear,b_addBook;
    private Book findBook;
     private Library libraryL;


public Gui(Library l){
    LibraryL = l;
        background = new JPanel();
        background.setLayout(new BorderLayout());
        centerPanel = new JPanel();
              background.setBorder(BorderFactory.createLineBorder(Color.RED,9, false));

        centerPanel.setLayout((new GridLayout(5,2)));
        southPanel = new JPanel();
        southPanel.setLayout((new GridLayout(3,2)));
        l_isbnNo = new JLabel("accountNo: ");
        l_title = new JLabel("name:");
        l_rebound = new JLabel ("deposit:");
        l_lend = new JLabel("withdraw:");
        l_storage = new JLabel("balance:");
        b_find = new JButton("FIND");
        b_rebound = new JButton("Deposit");
        b_lend = new JButton("Witdraw");
        b_clear = new JButton("CLEAR");
        b_addBook = new JButton("CREATE");
        southPanel.add(b_rebound);
        southPanel.add(b_find);
        southPanel.add(b_lend);
        southPanel.add(b_clear);
        southPanel.add(b_addBook);


        tf_isbnNo= new JTextField(12);
        tf_title  = new JTextField(12);
        tf_rebound = new JTextField(12);
        tf_lend = new JTextField(12);
        tf_storage = new JTextField(12);
           centerPanel.add(l_isbnNo);
           centerPanel.add(tf_isbnNo);
           centerPanel.add(l_title);
           centerPanel.add(tf_title);
           centerPanel.add(l_storage);
           centerPanel.add(tf_storage);
           centerPanel.add(l_rebound);
           centerPanel.add(tf_rebound);
           centerPanel.add(l_lend);
           centerPanel.add(tf_lend);
           background.add(centerPanel, BorderLayout.CENTER);
           background.add(southPanel, BorderLayout.SOUTH);
           frame.setContentPane(background);
           frame.pack();
           frame.setVisible(true);
           ClearHandler cl = new ClearHandler();
           FH fh = new FH();

           this.b_clear.addActionListener(cl);
           this.b_lend.addActionListener(new WH());
           this.b_rebound.addActionListener(new DH());
           this.b_find.addActionListener(fh);
           this.b_addBook.addActionListener(new Create());
           this.Library = libraryL;

}
private class ClearHandler implements ActionListener{
public void actionPerformed(ActionEvent ae){
   tf_isbnNo.setText("");
   tf_title.setText("");
   tf_rebound.setText("");
   tf_lend.setText("");
   tf_storage.setText("");

}
    }
//private class DepositHandler implements ActionListener{
    //public void actionePerformed(ActionEvent ae){
      //  double amount = Double.parseDouble(tf_deposit.getText());
        //foundAcc.deposit(amount);
        //tf_balance.setText(""+ foundAcc.balance)
          //  System.out.println("deposit");
    //}
//}

private class WH implements ActionListener{
    public void actionPerformed(ActionEvent ae){
        System.out.println("");
        String sWithdraw = tf_lend.getText();
        double amount = Double.parseDouble(sWithdraw);
        findBook.withdraw(amount);
        tf_storage.setText("" + findBook.storage());

    }
}
private class DH implements ActionListener{
    public void actionPerformed(ActionEvent ae){
         System.out.println("");
         String sRebound = tf_rebound.getText();
         double amount = Double.parseDouble(sRebound);
         findBook.rebound(amount);
         tf_storage.setText("" + findBook.storage());
         System.out.println("Deposit" + amount);
    }
   // private class FL implements ActionListener{
     //  public void actionPerformed(ActionEvent ae){
       //    String accNo = tf_accountNo.getText();
         //  foundAcc = banken.findAccount(Integer.parseInt(accNo));
          // String holder = founcAcc.holder();
           //double balance = foundAcc.holder();
          // tf_balance.setText(""+balance);

    //}
}
private class FH implements ActionListener{
    public void actionPerformed(ActionEvent ae){
        System.out.println("");
        String sIsbnNo = tf_isbnNo.getText();
        int accNo = 0;
        try{
         accNo = Integer.parseInt(sIsbnNo);

        }catch (NumberFormatException nfe){
        JOptionPane.showMessageDialog(frame, "skriv in siffror som kontonummer");

        return;}
        Book findBook = libraryL.findBook(isbnNo);
        if(findBook!=null){
             tf_title.setText(findBook.title());
             tf_storage.setText(""+findBook.storage());
        }else JOptionPane.showMessageDialog(frame, "kontot finns inte! ");
    }
}
private class AddBook implements ActionListener{
    public void actionPerformed(ActionEvent ae){
        System.out.println("Create");
        String title = tf_title.getText();
        double amount = Double.parseDouble(tf_rebound.getText());
        Book create = new Book(title, storage);
        tf_isbnNo.setText("" + create.isbnNo());
        libraryL.addBook(create);
        tf_rebound.setText("");
        tf_storage.setText("" + create.storage());

    }