import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
    /*Name: Brian D. Walton
    * Course: CSIS 161 Programming
    * Section: 01
    * Professor: Abuhejleh
    * Meets: 09:9:50 MWF
    * Given the amount to be deposited, the number of years, and interest rate,
    * this GUI java program will compute the amount of a certificate of deposit on maturity.
    */
public class MaturityValue {

public static class Maturity  extends JFrame
    {
        private JLabel depositL, yearsL,
               rateL, valueL;
        private JTextField depositTF, yearsTF,rateTF, valueTF;

        private JButton calculateB, exitB;

        private CalculateButtonHandler cbHandler;

        private ExitButtonHandler ebHandler;

        private static final int WIDTH = 400;
        private static final int HEIGHT = 300;


        public Maturity ()
        {
                            // Create four labels
                depositL = new JLabel("Amount deposited: ",
                                      SwingConstants.RIGHT);
                yearsL = new JLabel("Duration in years: ",
                                         SwingConstants.RIGHT);
                rateL = new JLabel("Interest Rate: ",SwingConstants.RIGHT);
                valueL = new JLabel("Value on Maturity: ",
                                            SwingConstants.RIGHT);

                              //Create four textfields
                depositTF = new JTextField(10);
                yearsTF = new JTextField(10);
                rateTF = new JTextField(10);
                valueTF = new JTextField(10);

                              //create Calculate Button
                calculateB = new JButton("Calculate");
                cbHandler = new CalculateButtonHandler();
                calculateB.addActionListener(cbHandler);
                //calculate button you are making the program listen to it.
                              //Create Exit Button
                exitB = new JButton("Exit");
                ebHandler = new ExitButtonHandler();
                exitB.addActionListener(ebHandler);

                //Set the title of the window
                setTitle("Value of Certificate of Deposit");

                //Get the container
                Container pane = getContentPane();

                //Set the layout
            pane.setLayout(new GridLayout(5,2));

             //Place all items created
                pane.add(depositL);
                pane.add(depositTF);
                pane.add(yearsL);
                pane.add(yearsTF);
                pane.add(rateL);
                pane.add(rateTF);
                pane.add(valueL);
                pane.add(valueTF);
                pane.add(calculateB);
                pane.add(exitB);

                            //set the size of the window and display it
                setSize(WIDTH,HEIGHT);
                setVisible(true);
                    setDefaultCloseOperation(EXIT_ON_CLOSE);
        }

        private class CalculateButtonHandler implements ActionListener
        {
                public void actionPerformed(ActionEvent e)
                {
                    double deposit, years, rate, value;

                    deposit = Double.parseDouble(depositTF.getText());
                    years = Double.parseDouble(yearsTF.getText());
                    rate = Double.parseDouble(rateTF.getText());
                    rate= 1 + (rate/100);
                    rate= Math.pow(rate,years);
                    value = deposit * rate;

                    rateTF.setText("" + rate);
                    valueTF.setText("" + value);
                }
        }

        private class ExitButtonHandler implements ActionListener
        {
                public void actionPerformed(ActionEvent e)
                {
                        System.exit(0);
                }
        }

    public static void main(String[] args)
        {
                /*Maturity  rectObject = new Maturity ();
                 */
        }
    }//end of maturity
}