lab3

/* Nate Boyd
 * Client-Server
 * Professor Christian Roberson
 * Lab 3 - Simple Calculator
 */

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.TitledBorder;

public class SimpleCalculator extends JFrame {
	// Create text fields for First and Second Integer and
	// and label to hold calculations
	private JTextField jtfFirstInteger = new JTextField();
	private JTextField jtfSecondInteger = new JTextField();
	private JLabel jlblCalculation = new JLabel();

	// Create calculator buttons
	private JButton jbtAdd = new JButton("+");
	private JButton jbtMultiply = new JButton("x");
	private JButton jbtSubtract = new JButton("-");
	private JButton jbtDivide = new JButton("/");
 
  

	public SimpleCalculator() {
		// Panel p1 to hold labels and text fields
	    JPanel p1 = new JPanel(new GridLayout(2, 1));
	    p1.add(new JLabel("First Integer"));
	    p1.add(jtfFirstInteger);
	    p1.add(new JLabel("Second Integer"));
	    p1.add(jtfSecondInteger);
	    p1.add(new JLabel("Calculation:"));
	    p1.add(jlblCalculation);
	    p1.setBorder(new
	      TitledBorder("Enter two numbers"));

	    // Panel p2 to hold the button
	    JPanel p2 = new JPanel(new FlowLayout(FlowLayout.RIGHT));
	    p2.add(jbtAdd);
	    p2.add(jbtMultiply);
	    p2.add(jbtSubtract);
	    p2.add(jbtDivide);
	
	    // Add the panels to the frame
	    add(p1, BorderLayout.CENTER);
	    add(p2, BorderLayout.SOUTH);
	
	    // Register listener
	    jbtAdd.addActionListener(new ButtonListener());
	    jbtMultiply.addActionListener(new ButtonListener());
	    jbtSubtract.addActionListener(new ButtonListener());
	    jbtDivide.addActionListener(new ButtonListener());
	}

	/** Handle the Compute Payment button */
	private class ButtonListener implements ActionListener {
		public void actionPerformed(ActionEvent e) {
     	// Get values from text fields
		int firstEntry =
			Integer.parseInt(jtfFirstInteger.getText());
		int secondEntry =
			Integer.parseInt(jtfSecondInteger.getText());
		
		// Perform each action, depending on button pressed
		

		// Display monthly payment and total payment
	    jlblCalculation.setText("Test");
		}
	}
  
	public static void main(String[] args) {
		SimpleCalculator frame = new SimpleCalculator();
		frame.pack();
		frame.setTitle("LoanCalculator");
		frame.setLocationRelativeTo(null); // Center the frame
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setVisible(true);
	}
}