import java.awt.*; import java.awt.event.*; import javax.swing.*;
 
public class Layers // driver function
{
 
    public static void main(String args[]) {
        try {UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());} catch (Exception e) {;}
        Layer_Model model = new Layer_Model();
        Layer_View view = new Layer_View("TRAIN RESERVATION SYSTEM:RESERVATION");
        Layer_Controller controller = new Layer_Controller(model,view);
    }
}
 
class Layer_View extends JFrame//set up GUI
{
    String reservertions[] = {"Surname","Firstname",
    "ID Number","Email","Phone Number","Place of Departure","No-Of-Tickets",
    "Time of Departure","Time of Arrival"};
 
    private JTextField input = new JTextField(7);
    private JTextField inputName = new JTextField(7);
    private JTextField inputID = new JTextField(7);
    private JTextField inputEmail = new JTextField(7);
    private JTextField inputNumber = new JTextField(7);
    private JTextField inputDeparture = new JTextField(7);
    private JTextField inputDestination = new JTextField(7);
    private JTextField inputTickets = new JTextField(7);
    private JTextField inputDepatime = new JTextField(7);
    private JTextField inputArrival = new JTextField(7);
 
    //declare button components
    JButton price = new JButton("PRICE");
    JButton submit = new JButton("SUBMIT");
    JButton cancel = new JButton("CANCEL");
    JButton exit = new JButton("EXIT");
    JPanel buttons = new JPanel(new GridLayout(4,1,2,2));
    JPanel but = new JPanel(new GridLayout(4,1,2,2));
 
    //BorderLayout pane to hold input/button JPanels
    //border layout to hold inputs and buttons
    JPanel report = new JPanel(new GridLayout(4,1,2,2));
    JPanel main = new JPanel(new BorderLayout());
 
    class Layer_Model // provides working functionality
    {;}
 
    public Layer_View(String title)// constructor method for GUI
    {
        super(title);setBounds(100,100,500,180);setResizable(true);
        setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
        //construct input fieldset
        for (int i=0; i<9;i++) {
            JLabel lab = new JLabel(reservertions[i]);
            lab.setForeground(Color.black);
            JPanel p = new JPanel(new FlowLayout(FlowLayout.LEFT));
 
            p.add(lab); switch (i) {
                case 0: p.add(input); break;
                case 1: p.add(inputName); break;
                case 2: p.add(inputID); break;
                case 3: p.add(inputEmail); break;
                case 4: p.add(inputNumber); break;
                case 5: p.add(inputDeparture); break;
                case 6: p.add(inputDestination); break;
                case 7: p.add(inputTickets); break;
                case 8: p.add(inputDepatime); break;
                case 9: p.add(inputArrival); break; }
 
            report.add(p);
        }
        //constructing buttons
        //construct button controls
        buttons.add(price); but.add(cancel);
        buttons.add(submit); but.add(exit);
 
        //completing the panel assembly
        main.add("Center",report); main.add("West",buttons); main.add("East",but);
 
 
 
        this.getContentPane().add("Center",main);setVisible(true);
    }
 
 
 
 
    class Layer_Controller implements ActionListener {
        Layer_Model model; Layer_View view;
 
        public Layer_Controller(Layer_Model model, Layer_View view) {
            this.model = model; this.view = view;
            view.buttonActionListeners(this);
 
        }
 
 
        // methods to deal with the interactions performed on the panel.
        public void actionPerformed(ActionEvent ae) {
            String action_com = ae.getActionCommand();
            if (action_com.equals("price")) {System.out.print("what price do you want to set");} else if (action_com.equals("exit")) {System.exit(0);} else if (action_com.equals("submit")) {System.exit(0);} else if (action_com.equals("cancel")) {System.exit(0);}
        }
 
 
    }
 
 
    public void buttonActionListeners(ActionListener al) {
        price.addActionListener(al);price.setActionCommand("price");
        exit.addActionListener(al);exit.setActionCommand("exit");
        submit.addActionListener(al);submit.setActionCommand("submit");
        cancel.addActionListener(al);cancel.setActionCommand("cancel");
    }
 
}