package exampleLab10_FinalReview;

import javax.swing.*;
import java.awt.FlowLayout;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeListener;


/**
 * This is a really "clever" class that could take advantage of the MVC pattern.
 *
 * Everything is in the constructor!
 *
 * 1. Draw a UML diagram for the MVC compound pattern.
 * 2. (optional) Select what patterns may be helpful in implementing it.
 * 3. Select some state for the Controller
 * 4. Select some state for the Model
 * 5. Re-implement the program.
 *
 * (20-30 pts/100 pt final)
 */
public class MVCCandidate extends JFrame {
    int x = 0;

    public MVCCandidate() throws HeadlessException {
        setTitle("fun!");
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setLayout(new FlowLayout());

        final JButton b = new JButton("inc");
        final JLabel l = new JLabel("000");
        b.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                if(e.getActionCommand().equals("inc")) {
                    x++;
                } else if(e.getActionCommand().equals("dec")) {
                    x--;
                }
                l.setText(x+"");
            }
        });
        add(b);
        add(l);

        JMenuBar bar = new JMenuBar();
        JMenu m = new JMenu("menu");
        JMenuItem i;
        ActionListener a = new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                b.setActionCommand(((JMenuItem)e.getSource()).getActionCommand());
            }
        };

        i = new JMenuItem("inc");
        i.addActionListener(a);
        m.add(i);

        i = new JMenuItem("dec");
        i.addActionListener(a);
        m.add(i);
        bar.add(m);
        setJMenuBar(bar);

        pack();
        setVisible(true);
    }

    public static void main(String[] args) {
        new MVCCandidate();
    }
}