CircleCalculator

package finalactivities;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JSeparator;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import javax.swing.border.EmptyBorder;
import javax.swing.border.LineBorder;

@SuppressWarnings("serial")
public class CircleCalculator extends JFrame {

    private JPanel contentPane;
    private JTextField radiusArea;
    private JTextField piField;

    /**
     * Launch the application.
     */
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    CircleCalculator frame = new CircleCalculator();
                    frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }

    /**
     * Create the frame.
     *
     * @throws IOException
     */
    public CircleCalculator() throws IOException {
        setTitle("Circle Calculator");
        UIManager.put("PopupMenu.border", new LineBorder(new Color(204, 204, 204)));
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 574, 433);
        setIconImage(Toolkit.getDefaultToolkit()
                .getImage("C:\\Users\\AAA\\Desktop\\OOP\\CCS 201-CS21S1\\src\\finalactivities\\calculator.png"));
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        contentPane.setLayout(new BorderLayout(0, 0));
        BackgroundImage backgroundImage = new BackgroundImage(
                "C:\\Users\\AAA\\Desktop\\OOP\\CCS 201-CS21S1\\src\\finalactivities\\backgroundimage.png");
        setContentPane(contentPane);
        contentPane.add(backgroundImage);
        backgroundImage.setLayout(null);

        JLabel lblRadius = new JLabel("Radius value:");
        lblRadius.setForeground(new Color(60, 96, 106));
        lblRadius.setBounds(70, 142, 113, 24);
        lblRadius.setHorizontalAlignment(SwingConstants.CENTER);
        lblRadius.setFont(new Font("SansSerif", Font.PLAIN, 18));

        JTextField radiusField = new JTextField();
        radiusField.setBounds(193, 145, 86, 24);
        radiusField.setColumns(10);
        backgroundImage.setLayout(null);

        JLabel lblTitle = new JLabel("Circle Calculator");
        lblTitle.setBounds(0, 91, 558, 24);
        backgroundImage.add(lblTitle);
        lblTitle.setForeground(new Color(130, 109, 100));
        lblTitle.setHorizontalAlignment(SwingConstants.CENTER);
        lblTitle.setFont(new Font("SansSerif", Font.PLAIN, 18));
        backgroundImage.add(lblRadius);
        backgroundImage.add(radiusField);

        JButton btnCalculate = new JButton("Area");
        btnCalculate.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                double radius = Double.parseDouble(radiusField.getText());
                double pi = Math.PI;
                double circle_area = Math.pow(radius, 2) * pi;
                radiusArea.setText(String.format("%,.3f", circle_area));
            }
        });

        JLabel lblPi = new JLabel("Pi value:");
        lblPi.setHorizontalAlignment(SwingConstants.CENTER);
        lblPi.setForeground(new Color(60, 96, 106));
        lblPi.setFont(new Font("SansSerif", Font.PLAIN, 18));
        lblPi.setBounds(70, 180, 76, 24);
        backgroundImage.add(lblPi);

        piField = new JTextField();
        piField.setEditable(false);
        piField.setColumns(10);
        piField.setBounds(153, 181, 86, 24);
        double pi = Math.PI;
        piField.setText(String.format("%.3f", pi));
        backgroundImage.add(piField);
        btnCalculate.setForeground(new Color(60, 96, 106));
        btnCalculate.setFont(new Font("SansSerif", Font.PLAIN, 18));
        btnCalculate.setBounds(70, 230, 113, 38);
        backgroundImage.add(btnCalculate);

        radiusArea = new JTextField();
        radiusArea.setHorizontalAlignment(SwingConstants.CENTER);
        radiusArea.setForeground(new Color(0, 0, 0));
        radiusArea.setFont(new Font("SansSerif", Font.PLAIN, 18));
        radiusArea.setBackground(new Color(231, 217, 205));
        radiusArea.setEditable(false);
        radiusArea.setBounds(187, 230, 202, 38);
        backgroundImage.add(radiusArea);
        radiusArea.setColumns(10);

        JMenuBar calcuBar = new JMenuBar();
        contentPane.add(calcuBar, BorderLayout.NORTH);

        JMenu mnCalMenu = new JMenu("Calculators");
        mnCalMenu.setHorizontalAlignment(SwingConstants.CENTER);
        mnCalMenu.setMnemonic('C');
        mnCalMenu.setFont(new Font("SansSerif", Font.PLAIN, 12));
        mnCalMenu.setBackground(Color.WHITE);
        calcuBar.add(mnCalMenu);

        JMenuItem mntmMainCal = new JMenuItem("Main Calculator");
        mntmMainCal.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                try {
                    new MainCalculator().show(true);
                    dispose();

                } catch (IOException e1) {
                    e1.printStackTrace();
                }
            }
        });
        mntmMainCal.setIcon(new ImageIcon(
                MainCalculator.class.getResource("/com/sun/java/swing/plaf/windows/icons/image-delayed.png")));
        mntmMainCal.setHorizontalAlignment(SwingConstants.LEFT);
        mntmMainCal.setFont(new Font("SansSerif", Font.PLAIN, 12));
        mntmMainCal.setPreferredSize(new Dimension(200, 25));
        mnCalMenu.add(mntmMainCal);

        JSeparator separator = new JSeparator();
        separator.setPreferredSize(new Dimension(20, 8));
        separator.setBackground(new Color(204, 204, 204));
        separator.setForeground(new Color(240, 240, 240));
        mnCalMenu.add(separator);

        JMenuItem mntmTriangleCal = new JMenuItem("Triangle Calculator");
        mntmTriangleCal.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {
                try {
                    new TriangleCalculator().setVisible(true);
                    dispose();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }

            }
        });
        mntmTriangleCal.setIcon(new ImageIcon(
                MainCalculator.class.getResource("/com/sun/java/swing/plaf/windows/icons/image-delayed.png")));
        mntmTriangleCal.setHorizontalAlignment(SwingConstants.LEFT);
        mntmTriangleCal.setPreferredSize(new Dimension(200, 25));
        mntmTriangleCal.setFont(new Font("SansSerif", Font.PLAIN, 12));
        mnCalMenu.add(mntmTriangleCal);

        JSeparator separator_1 = new JSeparator();
        separator_1.setPreferredSize(new Dimension(20, 8));
        separator_1.setBackground(new Color(204, 204, 204));
        separator_1.setForeground(new Color(240, 240, 240));
        mnCalMenu.add(separator_1);

        JMenuItem mntmDistanceCal = new JMenuItem("Distance Calculator");
        mntmDistanceCal.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                try {
                    new DistanceCalculator().setVisible(true);
                    dispose();
                } catch (IOException e2) {
                    e2.printStackTrace();
                }
            }
        });
        mntmDistanceCal.setIcon(new ImageIcon(
                MainCalculator.class.getResource("/com/sun/java/swing/plaf/windows/icons/image-delayed.png")));
        mntmDistanceCal.setHorizontalAlignment(SwingConstants.LEFT);
        mntmDistanceCal.setPreferredSize(new Dimension(200, 25));
        mntmDistanceCal.setFont(new Font("SansSerif", Font.PLAIN, 12));
        mnCalMenu.add(mntmDistanceCal);

    }
}