MenuBar.java

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;

/**
 * 
 * This is the menu bar that allows the player to select songs and if they are
 * recording or playing the song
 *
 * @author Ryan_Tai,David_Choi
 * @version May 11, 2020
 * @author Period: 1
 * @author Assignment: RhythmGame
 *
 * @author Sources:
 *         https://stackoverflow.com/questions/13516829/jfilechooser-change-default-directory-in-windows
 */
public class MenuBar implements ActionListener {
	private RhythmGame game;
	JMenuBar menubar;
	JMenu file, play;
	JMenuItem selectFile, quit, startGame, startRecord;
	JFileChooser chooser;
	File fileName;

	/**
	 * 
	 * @param g           the game that is connected to the menu bar
	 * @param window      the window that is connected to the menu bar
	 * @param musicPlayer the music player that is connected to the menu bar
	 */

	public MenuBar(RhythmGame g, JFrame window) {
		game = g;
		menubar = new JMenuBar();
		window.setJMenuBar(menubar);

		JMenu file = new JMenu("File");
		menubar.add(file);

		selectFile = new JMenuItem("Select File");
		selectFile.addActionListener(this);
		file.add(selectFile);

		quit = new JMenuItem("Quit");
		quit.addActionListener(this);
		file.add(quit);

		JMenu play = new JMenu("Play");
		menubar.add(play);

		startGame = new JMenuItem("Start Game");
		startGame.addActionListener(this);
		play.add(startGame);

		startRecord = new JMenuItem("Start Record");
		startRecord.addActionListener(this);
		play.add(startRecord);

	}

	@Override
	public void actionPerformed(ActionEvent e) {
		Object o = e.getSource();
		if (selectFile == o) {
			String path = System.getProperty("user.dir") + "\\music";
			chooser = new JFileChooser("Select a file");
			chooser.setCurrentDirectory(new File(path));
			int result = chooser.showOpenDialog(game);
			if (result == JFileChooser.APPROVE_OPTION) {
				File file = chooser.getSelectedFile();
				fileName = file;
			}
		} else if (startGame == o && fileName != null) {
			game.start(GameState.PLAY, fileName);
		} else if (startRecord == o && fileName != null) {
			game.start(GameState.RECORD, fileName);

		} else if (quit == o) {
			System.exit(0);
		}

	}

}