//file: main.java
import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
/**
* @author ნიკოლოზ გოჩიაშვილი
*
*/
public class Main implements ActionListener {
/*
* კლასის ველები
*/
static String buffer = null;
static String operacia = null;
JButton add, sub, mul, div;
JButton point, equals, C, p, s, r;
JButton[] digits = new JButton[10];
String current = new String();
JTextField display = new JTextField();
/*
* ფანჯრის ელემენტების ინიციალიზება
*/
private static void createAndShowGUI() {
Main app = new Main();
/*
* lamazi konturebi
*/
JFrame.setDefaultLookAndFeelDecorated(true);
/*
* chveulebrivi java fanjara
*/
// JFrame.isDefaultLookAndFeelDecorated();
JFrame frame = new JFrame("Mtvleli");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().setLayout(null);
frame.setBounds(400, 300, 190, 170);
JPanel topPanel = new JPanel();
topPanel.setBounds(0, 0, 200, 28);
topPanel.setLayout(null);
app.display.setBounds(0, 0, 200, 28);
app.display.setBackground(Color.black);
app.display.setForeground(Color.green);
app.display.setFont(new Font("Palatino", Font.PLAIN, 14));
topPanel.add(app.display);
frame.getContentPane().add(topPanel);
JPanel lowerPanel = new JPanel();
frame.getContentPane().add(lowerPanel);
lowerPanel.setBounds(0, 32, 180, 100);
lowerPanel.setLayout(new GridLayout(0, 4, 2, 2));
// main :-nika
for (int i = 0; i < 10; i++) {
app.digits[i] = new JButton("" + i);
app.digits[i].addActionListener(app);
lowerPanel.add(app.digits[i]);
if (i == 2) {
app.equals = new JButton("=");
lowerPanel.add(app.equals);
app.equals.addActionListener(app);
}
if (i == 5) {
app.sub = new JButton("-");
lowerPanel.add(app.sub);
app.sub.addActionListener(app);
}
if (i == 8) {
app.div = new JButton("/");
lowerPanel.add(app.div);
app.div.addActionListener(app);
}
}
app.point = new JButton(".");
lowerPanel.add(app.point);
app.point.addActionListener(app);
app.C = new JButton("C");
lowerPanel.add(app.C);
app.C.addActionListener(app);
app.add = new JButton("+");
lowerPanel.add(app.add);
app.add.addActionListener(app);
app.r = new JButton("r");
lowerPanel.add(app.r);
app.r.addActionListener(app);
app.p = new JButton("p");
lowerPanel.add(app.p);
app.p.addActionListener(app);
frame.setVisible(true);
app.s = new JButton("s");
lowerPanel.add(app.s);
app.s.addActionListener(app);
app.mul = new JButton("x");
lowerPanel.add(app.mul);
app.mul.addActionListener(app);
frame.setVisible(true);
}
/*
* (MAin.java:actionPerformed) აქტიური ღილაკის დამუშავება
*
* @see
* java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
*/
public void actionPerformed(ActionEvent e) {
for (int i = 0; i < 10; i++) {
if (e.getSource() == digits[i])
current += "" + i;
}
if (e.getSource() == point) {
current += ".";
}
if (e.getSource() == equals) {
String tmp = Main.operacia(Main.buffer, current, Main.operacia);
current = tmp;
display.setText(tmp);
return;
}
if (e.getSource() == add) {
Main.buffer = current;
current = "";
Main.operacia = "add";
display.setText("");
return;
}
if (e.getSource() == mul) {
display.setText("");
Main.buffer = current;
current = "";
Main.operacia = "mul";
return;
}
if (e.getSource() == sub) {
Main.buffer = current;
current = "";
Main.operacia = "sub";
display.setText("");
return;
}
if (e.getSource() == div) {
Main.buffer = current;
current = "";
Main.operacia = "div";
display.setText("");
return;
}
if (e.getSource() == C) {
StringBuilder sb = new StringBuilder();
sb.append(current);
sb.delete(sb.length() - 1, sb.length());
current = sb.toString();
display.setText(current);
return;
}
if (e.getSource() == p) {
Main.buffer = current;
current = "";
Main.operacia = "p";
display.setText("");
return;
}
if (e.getSource() == s) {
Double dou = new Double(current);
double du = Math.sqrt(dou);
current = du + "";
display.setText(du + "");
return;
}
if (e.getSource() == r) {
double du = Math.random();
current = du + "";
display.setText(du + "");
return;
}
display.setText(current);
}
/**
* @param main
*/
public static void main(String[] args) {
try {
UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
} catch (Exception e) {
System.out.println("Cant get laf");
}
SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
/*
* ტოლობით შესასრულებელი ოპერაციები
*/
public static String operacia(String op1, String op2, String operacia) {
double d = 0;
Double d1 = new Double(op1);
Double d2 = new Double(op2);
double a1 = d1;
double a2 = d2;
if (operacia.equals("add")) {
d = a1 + a2;
return d + "";
}
if (operacia.equals("sub")) {
d = a1 - a2;
return d + "";
}
if (operacia.equals("div")) {
d = a1 / a2;
return d + "";
}
if (operacia.equals("mul")) {
d = a1 * a2;
return d + "";
}
if (operacia.equals("p")) {
d = Math.pow(a1, a2);
return d + "";
}
return "mocemuli operacia ar gvaqvs!";
}
}
