Frame.java

package views;

import java.awt.*;
import java.awt.event.*;

import javax.swing.*;
import javax.swing.border.*;

public class Frame extends JFrame{

	protected JPanel contentPanel;

	public Frame(String title){
		FrameStack.getInstance().push(this);
		setTitle(title);
		setSize(500, 500);
		setLayout(new BorderLayout());
		setLocationRelativeTo(null);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		contentPanel = new JPanel();
		contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
		contentPanel.setBackground(Color.red);
		add(contentPanel, BorderLayout.CENTER);
	}

	public void setBackButtonActionListener(ActionListener a) {
		JPanel buttonPanel = new JPanel();
		buttonPanel.setLayout(new FlowLayout(FlowLayout.LEFT));
		JButton backButton = new JButton("Back");
		buttonPanel.add(backButton);
		this.add(buttonPanel, BorderLayout.NORTH);
		backButton.addActionListener(a);
	}

}