Untitled

package order1;

import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingConstants;

public class Order {
    public static void main(String[] args) {
        JFrame frame = new JFrame("Ethan Nhielzen T.");
        JPanel panel = new JPanel();
        JLabel header = new JLabel("FoodCourt Sa Gedli", SwingConstants.CENTER);

        JCheckBox chk1 = new JCheckBox("Hotdog");
        JCheckBox chk2 = new JCheckBox("Adobo");
        JCheckBox chk3 = new JCheckBox("Egg");
        JCheckBox chk4 = new JCheckBox("Tapa");
        JCheckBox chk5 = new JCheckBox("Fried Chicken");

        JLabel price1 = new JLabel("Php. 20");
        JLabel price2 = new JLabel("Php. 50");
        JLabel price3 = new JLabel("Php. 10");
        JLabel price4 = new JLabel("Php. 60");
        JLabel price5 = new JLabel("Php. 40");

        // Quantity text fields
        JTextField qty1 = new JTextField("0");
        JTextField qty2 = new JTextField("0");
        JTextField qty3 = new JTextField("0");
        JTextField qty4 = new JTextField("0");
        JTextField qty5 = new JTextField("0");

        JButton order = new JButton("Order now");
        JLabel totalPrice = new JLabel("Total Price: Php 0");

        panel.setBounds(0, 0, 500, 500);
        panel.setBackground(Color.darkGray);

        header.setFont(new Font("Calibri", Font.PLAIN, 35));
        header.setForeground(Color.white);
        header.setBackground(Color.darkGray);
        header.setBounds(0, 20, 500, 50);
        header.setOpaque(true);

        chk1.setForeground(Color.white);
        chk1.setBackground(Color.darkGray);
        chk1.setBounds(50, 80, 200, 30);
        price1.setBounds(380, 80, 100, 30);
        qty1.setBounds(300, 80, 50, 30);

        chk2.setForeground(Color.white);
        chk2.setBackground(Color.darkGray);
        chk2.setBounds(50, 120, 200, 30);
        price2.setBounds(380, 120, 100, 30);
        qty2.setBounds(300, 120, 50, 30);

        chk3.setForeground(Color.white);
        chk3.setBackground(Color.darkGray);
        chk3.setBounds(50, 160, 200, 30);
        price3.setBounds(380, 160, 100, 30);
        qty3.setBounds(300, 160, 50, 30);

        chk4.setForeground(Color.white);
        chk4.setBackground(Color.darkGray);
        chk4.setBounds(50, 200, 200, 30);
        price4.setBounds(380, 200, 100, 30);
        qty4.setBounds(300, 200, 50, 30);

        chk5.setForeground(Color.white);
        chk5.setBackground(Color.darkGray);
        chk5.setBounds(50, 240, 200, 30);
        price5.setBounds(380, 240, 100, 30);
        qty5.setBounds(300, 240, 50, 30);

        totalPrice.setForeground(Color.white);
        totalPrice.setBounds(200, 350, 200, 50);
        totalPrice.setFont(new Font("Calibri", Font.BOLD, 20));

        order.setBounds(180, 300, 120, 40);
        order.setBackground(Color.white);
        order.setFont(new Font("Calibri", Font.BOLD, 18));

        order.addActionListener(new ActionListener() {
           
			@Override
			public void actionPerformed(ActionEvent e) {
				// TODO Auto-generated method stub
				 int hotdog = 20, adobo = 50, egg = 10, tapa = 60, chicken = 40;
	                int total = 0;

	                // Helper method to get a valid quantity
	                int qtyHotdog = getValidQuantity(qty1.getText());
	                int qtyAdobo = getValidQuantity(qty2.getText());
	                int qtyEgg = getValidQuantity(qty3.getText());
	                int qtyTapa = getValidQuantity(qty4.getText());
	                int qtyChicken = getValidQuantity(qty5.getText());

	                if (chk1.isSelected()) total += hotdog * qtyHotdog;
	                if (chk2.isSelected()) total += adobo * qtyAdobo;
	                if (chk3.isSelected()) total += egg * qtyEgg;
	                if (chk4.isSelected()) total += tapa * qtyTapa;
	                if (chk5.isSelected()) total += chicken * qtyChicken;

	                totalPrice.setText("Total Price: Php " + total);
	            }

	            // Method to ensure valid integer quantity
	            private int getValidQuantity(String text) {
	                if (text.matches("\\d+")) { // Only numbers allowed
	                    return Integer.parseInt(text);
	                }
	                return 0; // Default to 0 if invalid
	            }

        });

        frame.setSize(500, 500);
        frame.setVisible(true);
        frame.setLayout(null);
        frame.setResizable(false);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        frame.add(header);
        frame.add(chk1); frame.add(qty1); frame.add(price1);
        frame.add(chk2); frame.add(qty2); frame.add(price2);
        frame.add(chk3); frame.add(qty3); frame.add(price3);
        frame.add(chk4); frame.add(qty4);