/*
 * Author: CHEN Yongyuan (Walter) from OOP(1007)
 * Date: 2022-05-01
 * Description: This is the Main Frame class.
 */
import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JPanel;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.GridLayout;

public class MyFrame extends JFrame {

	public MyFrame() {
		setTitle("MyFrame");
		setSize(400, 300);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		// center the frame
		setLocationRelativeTo(null);

		setLayout(new BorderLayout());

		// first panel
		JPanel p1 = new JPanel();
		p1.setLayout(new BorderLayout(10, 10));
		p1.setBackground(Color.BLUE);
		// second panel
		JPanel p2 = new JPanel();
		p2.setLayout(new FlowLayout());
		p2.setBackground(Color.GREEN);
		// third panel
		JPanel p3 = new JPanel();
		p3.setLayout(new GridLayout(2, 2, 2, 2));
		// add panel to frame
		add(p1, BorderLayout.PAGE_START);
		add(p2, BorderLayout.CENTER);
		add(p3, BorderLayout.PAGE_END);

		// tow button in the first panel
		JButton b1 = new JButton("Button1");
		p1.add(BorderLayout.LINE_START, b1);
		JButton b2 = new JButton("Button2");
		p1.add(BorderLayout.LINE_END, b2);

		// two label in the second panel
		JLabel l = new JLabel("Enter your name: ");
		p2.add(l);
		JTextField tx = new JTextField("Type Text Here");
		p2.add(tx);

		// checkboxs in the third panel
		JCheckBox cb = new JCheckBox("I agree");
		p3.add(cb);
		JRadioButton rb = new JRadioButton("Yes");
		p3.add(rb);
		JComboBox<String> cb1 = new JComboBox<String>(new String[] { "Red", "Green", "Blue" });
		p3.add(cb1);
		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[] { 2, 7, -3, 24 });
		p3.add(cb2);

		setVisible(true);
	}
}