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Calc.java
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408 lines (340 loc) · 9.43 KB
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package javaCal;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.CardLayout;
import java.awt.Color;
import javax.swing.UIManager;
import javax.swing.JTextField;
import java.awt.ComponentOrientation;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.border.LineBorder;
import java.awt.Font;
public class Calc {
private JFrame frame;
private JTextField display;
String aim;
double fn, sn;
double result;
String temp;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
Calc window = new Calc();
window.frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the application.
*/
public Calc() {
initialize();
}
/**
* Initialize the contents of the frame.
*/
private void initialize() {
frame = new JFrame();
frame.getContentPane().setBackground(new Color(192, 192, 192));
frame.setBackground(new Color(128, 128, 128));
frame.setResizable(false);
frame.setBounds(100, 100, 411, 500);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().setLayout(null);
JPanel panel = new JPanel();
panel.setBorder(new LineBorder(new Color(0, 0, 0)));
panel.setBackground(new Color(175, 238, 238));
panel.setBounds(31, 21, 349, 425);
frame.getContentPane().add(panel);
panel.setLayout(null);
display = new JTextField();
display.setFont(new Font("Tahoma", Font.BOLD, 16));
display.setBorder(new LineBorder(new Color(255, 0, 0), 2));
display.setBounds(0, 0, 349, 104);
panel.add(display);
display.setColumns(10);
JButton seven = new JButton("7");
seven.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(display.getText()!= null){
display.setText(display.getText().toString() + "7");
}
else
{
display.setText("7");
}
}
}
);
seven.setBackground(new Color(255, 215, 0));
seven.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
}
});
seven.setBounds(0, 178, 91, 23);
panel.add(seven);
JButton eight = new JButton("8");
eight.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(display.getText()!= null){
display.setText(display.getText().toString() + "8");
}
else
{
display.setText("8");
}
}
}
);
eight.setBackground(new Color(255, 215, 0));
eight.setBounds(98, 178, 91, 23);
panel.add(eight);
JButton nine = new JButton("9");
nine.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(display.getText()!= null){
display.setText(display.getText().toString() + "9");
}
else
{
display.setText("9");
}
}
}
);
nine.setBackground(new Color(255, 215, 0));
nine.setBounds(199, 178, 91, 23);
panel.add(nine);
JButton four = new JButton("4");
four.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(display.getText()!= null){
display.setText(display.getText().toString() + "4");
}
else
{
display.setText("4");
}
}
}
);
four.setBackground(new Color(255, 215, 0));
four.setBounds(0, 226, 91, 23);
panel.add(four);
JButton five = new JButton("5");
five.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(display.getText()!= null){
display.setText(display.getText().toString() + "5");
}
else
{
display.setText("5");
}
}
}
);
five.setBackground(new Color(255, 215, 0));
five.setBounds(98, 226, 91, 23);
panel.add(five);
JButton six = new JButton("6");
six.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(display.getText()!= null){
display.setText(display.getText().toString() + "6");
}
else
{
display.setText("6");
}
}
}
);
six.setBackground(new Color(255, 215, 0));
six.setBounds(199, 226, 91, 23);
panel.add(six);
JButton one = new JButton("1");
one.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(display.getText()!= null){
display.setText(display.getText().toString() + "1");
}
else
{
display.setText("1");
}
}
}
);
one.setBackground(new Color(255, 215, 0));
one.setBounds(0, 280, 91, 23);
panel.add(one);
JButton two = new JButton("2");
two.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(display.getText()!= null){
display.setText(display.getText().toString() + "2");
}
else
{
display.setText("2");
}
}
}
);
two.setBackground(new Color(255, 215, 0));
two.setBounds(98, 280, 91, 23);
panel.add(two);
JButton three = new JButton("3");
three.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(display.getText()!= null){
display.setText(display.getText().toString() + "3");
}
else
{
display.setText("3");
}
}
}
);
three.setBackground(new Color(255, 215, 0));
three.setBounds(199, 280, 91, 23);
panel.add(three);
JButton clr = new JButton("C");
clr.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(display.getText()!= null){
display.setText(" ");
sn=0;
fn=0;
result = 0;
}
}
}
);
clr.setBackground(new Color(255, 215, 0));
clr.setBounds(10, 123, 290, 33);
panel.add(clr);
JButton plus = new JButton("+");
plus.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
fn = Double.parseDouble(display.getText());
display.setText(" ");
aim = "addition";
}
});
plus.setBackground(new Color(0, 153, 102));
plus.setBounds(0, 359, 134, 23);
panel.add(plus);
JButton divide = new JButton("/");
divide.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
fn = Double.parseDouble(display.getText());
display.setText(" ");
aim="division";
}
});
divide.setBackground(new Color(0, 153, 102));
divide.setBounds(0, 391, 134, 23);
panel.add(divide);
JButton minus = new JButton("-");
minus.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
fn = Double.parseDouble(display.getText());
display.setText(" ");
aim="substraction";
}
});
minus.setBackground(new Color(0, 153, 102));
minus.setBounds(151, 359, 128, 23);
panel.add(minus);
JButton multiply = new JButton("*");
multiply.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
fn = Double.parseDouble(display.getText());
display.setText(" ");
aim="multiplication";
}
});
multiply.setBackground(new Color(0, 153, 102));
multiply.setBounds(151, 391, 128, 23);
panel.add(multiply);
JButton equals = new JButton("=");
equals.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
sn = Double.parseDouble(display.getText());
if(aim.equals("addition"))
{
result = fn + sn;
temp = Double.toString(result);
display.setText(temp);
}
else if(aim.equals("substraction")) {
sn = Double.parseDouble(display.getText());
result = fn-sn;
temp = Double.toString(result);
display.setText(temp);
}
else if(aim.equals("multiplication")) {
sn = Double.parseDouble(display.getText());
result = fn*sn;
temp = Double.toString(result);
display.setText(temp);
}
else if (aim.equals("division")){
sn = Double.parseDouble(display.getText());
result = fn/sn;
temp = Double.toString(result);
display.setText(temp);
}
}
});
equals.setBackground(new Color(0, 153, 102));
equals.setBounds(300, 178, 49, 235);
panel.add(equals);
JButton zero = new JButton("0");
zero.setBackground(new Color(255, 215, 0));
zero.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(display.getText()!=null){
display.setText(display.getText().toString() + "0");
}
else
{
display.setText("0");
}
}
}
);
zero.setBounds(98, 325, 91, 23);
panel.add(zero);
JButton decimal = new JButton(".");
decimal.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(display.getText()!=null){
display.setText(display.getText().toString() + ".");
}
else
{
display.setText(".");
}
}
});
decimal.setBackground(Color.ORANGE);
decimal.setBounds(199, 325, 91, 23);
panel.add(decimal);
}
}