package Calculator1;

import java.awt.BorderLayout; import java.awt.Color; import java.awt.ComponentOrientation; import java.awt.Dimension; import java.awt.Font; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.PrintStream; import static java.lang.Double.parseDouble; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextField; import java.lang.Math; import java.util.Stack; import javax.swing.SwingConstants; import java.math.BigInteger; import java.util.Scanner;

public class Calculator1 extends JFrame implements ActionListener {

double firstDouble;
 //double secondDouble;
 double totalDouble1 = 0.0;
 double totalDouble2 = 0.0;
 char math_operator;
 float Percentage;
 String value="";
 int ctr=0;
 double answer;


boolean checkFirstdouble = false;
 boolean addPressed = false;
 boolean clearBox = false;
 boolean negative;





private JButton oneButton = new JButton("1");
 private JButton twoButton = new JButton("2");
 private JButton threeButton = new JButton("3");
 private JButton fourButton = new JButton("4");
 private JButton fiveButton = new JButton("5");
 private JButton sixButton = new JButton("6");
 private JButton sevenButton = new JButton("7");
 private JButton eightButton = new JButton("8");
 private JButton nineButton = new JButton("9");
 private JButton zeroButton = new JButton("0");
 private JButton equalsButton = new JButton("=");
 private JButton cButton = new JButton("C");
 private JButton multiplyButton = new JButton("*");
 private JButton divideButton = new JButton("/");
 private JButton addButton = new JButton("+");
 private JButton subtractButton = new JButton("-");
 private JButton dotButton = new JButton(".");
 private JButton piButton = new JButton("π");
 private JButton squaredButton = new JButton("x²");
 private JButton squarerootButton = new JButton("√x");
 private JButton plusMinusButton = new JButton("+/-");
 private JButton factorialButton = new JButton("!");
 private JButton percentageButton = new JButton("%");
 private JButton cubedButton = new JButton("x³");
 private JTextField tbox;
 private JPanel colourPanel;




public Calculator1() {
     this.negative = !negative;

    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     this.setLocation(500,300);
    
     oneButton.addActionListener(this);
     twoButton.addActionListener(this);
     threeButton.addActionListener(this);
     fourButton.addActionListener(this);
     fiveButton.addActionListener(this);
     sixButton.addActionListener(this);
     sevenButton.addActionListener(this);
     eightButton.addActionListener(this);
     nineButton.addActionListener(this);
     zeroButton.addActionListener(this);
     equalsButton.addActionListener(this);
     cButton.addActionListener(this);
     multiplyButton.addActionListener(this);
     divideButton.addActionListener(this);
     addButton.addActionListener(this);
     subtractButton.addActionListener(this);
     dotButton.addActionListener(this);
     piButton.addActionListener(this);
     squaredButton.addActionListener(this);
     squarerootButton.addActionListener(this);
     plusMinusButton.addActionListener(this);
     factorialButton.addActionListener(this);
     percentageButton.addActionListener(this);
     cubedButton.addActionListener(this);


    JPanel jp = new JPanel(new GridLayout(6, 4));
     jp.setPreferredSize(new Dimension(10, 400));

    jp.add(cButton);
     jp.add(squaredButton);
     jp.add(squarerootButton);
     jp.add(piButton);
     jp.add(plusMinusButton);
     jp.add(factorialButton);
     jp.add(percentageButton);
     jp.add(cubedButton);
     jp.add(oneButton);
     jp.add(twoButton);
     jp.add(threeButton);
     jp.add(addButton);
     jp.add(fourButton);
     jp.add(fiveButton);
     jp.add(sixButton);
     jp.add(subtractButton);
     jp.add(sevenButton);
     jp.add(eightButton);
     jp.add(nineButton);
     jp.add(multiplyButton);
     jp.add(zeroButton);
     jp.add(dotButton);
     jp.add(equalsButton);
     jp.add(divideButton);
   

    add(jp, BorderLayout.SOUTH);
     tbox = new JTextField(20);
     tbox.setPreferredSize(new Dimension(40, 50));
    // tbox.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);
     tbox.setHorizontalAlignment(SwingConstants.RIGHT);
     JPanel jpText = new JPanel();
     jpText.add(tbox);
     add(jpText, BorderLayout.NORTH);
     tbox.setEditable(false);
    
     
     colourPanel = new JPanel();
     oneButton.setBackground(Color.PINK);
     twoButton.setBackground(Color.PINK);
     threeButton.setBackground(Color.PINK);
     fourButton.setBackground(Color.PINK);
     fiveButton.setBackground(Color.PINK);
     sixButton.setBackground(Color.PINK);
     sevenButton.setBackground(Color.PINK);
     eightButton.setBackground(Color.PINK);
     nineButton.setBackground(Color.PINK);
     zeroButton.setBackground(Color.PINK);
     dotButton.setBackground(Color.PINK);
     cButton.setBackground(Color.PINK);
     addButton.setBackground(Color.PINK);
     multiplyButton.setBackground(Color.PINK);
     subtractButton.setBackground(Color.PINK);
     divideButton.setBackground(Color.PINK);
     squaredButton.setBackground(Color.PINK);
     squarerootButton.setBackground(Color.PINK);
     piButton.setBackground(Color.PINK);
     equalsButton.setBackground(Color.PINK);
     plusMinusButton.setBackground(Color.PINK);
     factorialButton.setBackground(Color.PINK);
     percentageButton.setBackground(Color.PINK);
     cubedButton.setBackground(Color.PINK);
     tbox.setBackground(Color.lightGray);
    
    
     oneButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     twoButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     threeButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     fourButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     fiveButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     sixButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     sevenButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     eightButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     nineButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     zeroButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     cButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     dotButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     addButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     subtractButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     multiplyButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     divideButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     equalsButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     squaredButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     squarerootButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     piButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     plusMinusButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     factorialButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     percentageButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     cubedButton.setFont(new Font("SerifBold", Font.PLAIN, 30));
     tbox.setFont(new Font("SerifBold", Font.PLAIN, 25));
    
    
    
    
    
            
     pack();
 }




 private void getOperator(String buttonText) {
     math_operator = buttonText.charAt(0);
     totalDouble1 = totalDouble1 + Double.parseDouble(tbox.getText());
     //Math.PI = totalDouble1 + Double.parseDouble(tbox.getText());
     tbox.setText("");
     double variable;
    
   
   /*  switch (math_operator) {
         case '+':
             totalDouble2 = totalDouble1 + Double.parseDouble(tbox.getText());
            
             break;
         case '-':
             totalDouble2 = totalDouble1 - Double.parseDouble(tbox.getText());
             //totalDouble2 = totalDouble1 - Val(tbox.getText);
             break;
         case '/':
             totalDouble2 = totalDouble1 / Double.parseDouble(tbox.getText());
             break;
         case '*':
             totalDouble2 = totalDouble1 * Double.parseDouble(tbox.getText());
             break;
         //case 'π':
            // totalDouble2 = totalDouble1 Math.PI.Double.parseDouble(tbox.getText());
            //break;
         //case
           //'x²':
            //totalDouble2 = totalDouble1 Math.pow.Double.parseDouble(tbox.getText());
            //totalDouble1 = totalDouble2 + Val(tbox.getText);
            // break;
        //case
          // '√x':
           // totalDouble2 = totalDouble1 Math.sqrt.Double.parseDouble(tbox.getText());
          // break;*/
   //  }
 }
    

   

 @Override
 public void actionPerformed(ActionEvent e) {

 
     if (clearBox == true) {
         tbox.setText("");
         clearBox = false;
        
     }

    if (e.getSource() == oneButton) {
         System.out.println("1");
         tbox.setText(tbox.getText() + "1");
         //System.out.println(firstDouble);
        
     }

    if (e.getSource() == twoButton) {
         System.out.println("2");
         tbox.setText(tbox.getText() + "2");
         //System.out.println(firstDouble);
     }

    if (e.getSource() == threeButton) {
         System.out.println("3");
         tbox.setText(tbox.getText() + "3");
     }
     if (e.getSource() == fourButton) {
         System.out.println("4");
         tbox.setText(tbox.getText() + "4");
     }
     if (e.getSource() == fiveButton) {
         System.out.println("5");
         tbox.setText(tbox.getText() + "5");
     }
     if (e.getSource() == sixButton) {
         System.out.println("6");
         tbox.setText(tbox.getText() + "6");
     }
     if (e.getSource() == sevenButton) {
         System.out.println("7");
         tbox.setText(tbox.getText() + "7");
     }
     if (e.getSource() == eightButton) {
         System.out.println("8");
         tbox.setText(tbox.getText() + "8");
     }
     if (e.getSource() == nineButton) {
         System.out.println("9");
         tbox.setText(tbox.getText() + "9");
     }
     if (e.getSource() == zeroButton) {
         System.out.println("0");
         tbox.setText(tbox.getText() + "0");
     }
     if (e.getSource() == cButton) {
         System.out.println("c");
         tbox.setText(tbox.getText() + "");
         totalDouble2 = 0;
         tbox.setText("");
     }
     if (e.getSource() == factorialButton) {
         System.out.println("!");
         tbox.setText(tbox.getText() + "");
         tbox.setText(""); 
        
     }
     if (e.getSource() == percentageButton) {
         System.out.println("%");
         tbox.setText(tbox.getText() + "");
         tbox.setText("%");
        
     }
     if (e.getSource() == piButton) {
         System.out.println("π");
         tbox.setText(tbox.getText() + "");
         //tbox.setText(Math.PI);
     }
     if (e.getSource() == squarerootButton) {
         System.out.println("√x");
         tbox.setText(tbox.getText() + "");
     }
     if (e.getSource() == squaredButton) {
         System.out.println("x²");
         boolean addButton = true;
                          
     }

    if (e.getSource() == equalsButton) {
         System.out.println("=");
        
         tbox.setText(tbox.getText() + "");
         if (math_operator == '+') {
             totalDouble2 = totalDouble1 + Double.parseDouble(tbox.getText());
         }
         if (math_operator == '/') {
             totalDouble2 = totalDouble1 / Double.parseDouble(tbox.getText());
         }
         if (math_operator == '*') {
             totalDouble2 = totalDouble1 * Double.parseDouble(tbox.getText());
         }
         if (math_operator == '-') {
             totalDouble2 = totalDouble1 - Double.parseDouble(tbox.getText());
         }
         if (math_operator == '%') {
            totalDouble2 = totalDouble1 % Double.parseDouble(tbox.getText()); 
            ctr=0;
            tbox.setText("" +answer);
            value="";
         }
         //if (math_operator == 'π') {
             //totalDouble2 = Math.PI.parseDouble(tbox.getText());
       //  }
        // if (math_operator == 'x²') {
       //      totalDouble2 = totalDouble1 Math.POWDouble.parseDouble(tbox.getText());
        // }
        // if (math_operator == '√x') {
        //     totalDouble2 = totalDouble1 Math.sqrtDouble.parseDouble(tbox.getText());
       //  }

        String s1 = Double.toString(totalDouble2);
         tbox.setText(s1);
         totalDouble1 = 0;
         checkFirstdouble = true;
        
        

    }
     if (e.getSource() == addButton) {
         System.out.println(tbox.getText() +  "+");
         Double.parseDouble(tbox.getText());
         String button_text = addButton.getText();
         getOperator(button_text);
        
         //clearBox = true;
         //addPressed = true;
     }
        
         //tbox.setText("+");
         //tbox.setText(tbox.getText() + "+");
        
    
     if (e.getSource() == divideButton) {
         System.out.println(tbox.getText() + "/");
         Double.parseDouble(tbox.getText());
         String button_text = divideButton.getText();
         getOperator(button_text);
         //clearBox = true;
         //addPressed = true;

    }
     if (e.getSource() == multiplyButton) {
         System.out.println(tbox.getText() + "*");
         Double.parseDouble(tbox.getText());
         String button_text = multiplyButton.getText();
         getOperator(button_text);
       
         //addPressed = true;
     }

    if (e.getSource() == subtractButton) {
         System.out.println(tbox.getText() + "-");
         Double.parseDouble(tbox.getText());
         String button_text = subtractButton.getText();
         getOperator(button_text);
       
     }
     if (e.getSource() == piButton) {
         //totalDouble1 = Double.parseDouble(tbox.getText());
         tbox.setText(Double.toString(Math.PI));
         System.out.println(tbox.getText() + "π");
         Double.parseDouble(tbox.getText());
      
         //getOperator(button_text);
         String button_text = piButton.getText();
         double pi = 0.0;
         totalDouble1 = 0;
         checkFirstdouble = true;
        
        
     }
     if (e.getSource() == squaredButton) {
         totalDouble1 = Double.parseDouble(tbox.getText());
         tbox.setText(Double.toString(totalDouble1*totalDouble1));
         System.out.println(tbox.getText() + "x²");
         Double.parseDouble(tbox.getText());
         String button_text = squaredButton.getText();
         totalDouble1 = 0;
         checkFirstdouble = true;
         //getOperator(button_text);
        
       
     }
     if (e.getSource() == squarerootButton) {
         totalDouble1 = Double.parseDouble(tbox.getText());
         tbox.setText(Double.toString(java.lang.Math.sqrt(totalDouble1)));
         System.out.println(tbox.getText() + "√x");
         //getOperator(button_text);
         Double.parseDouble(tbox.getText());
         String button_text = squarerootButton.getText();
         //clearBox = true;
         totalDouble1 = 0;
         checkFirstdouble = true;
       
     }
     if (e.getSource() == dotButton) {
         System.out.println(".");
         Double.parseDouble(tbox.getText());
         tbox.setText(tbox.getText() + ".");
         clearBox = false;
         addPressed = true;
     }  
      if (e.getSource() == cubedButton) {
         totalDouble1 = Double.parseDouble(tbox.getText());
         tbox.setText(Double.toString(totalDouble1*totalDouble1*totalDouble1));
         System.out.println(tbox.getText() + "x³");
         Double.parseDouble(tbox.getText());
         String button_text = cubedButton.getText();
         totalDouble1 = 0;
         checkFirstdouble = true;
         //getOperator(button_text);
       
       
      }
       if (e.getSource() == plusMinusButton) {
         System.out.println("+/-");
         totalDouble1 = Double.parseDouble(tbox.getText());
         totalDouble1 *= -1;
         tbox.setText(Double.toString(totalDouble1));
         totalDouble1 = 0;
         checkFirstdouble = true;
       } 
       if (e.getSource() == factorialButton) {
         Scanner input = new Scanner(System.in);
             //int factor = 1;
             //int number = 0;
           //for (int i=1; i<=number; i++){
             //return factor;
       }
        if (e.getSource() == percentageButton) {
         totalDouble1 = Double.parseDouble(tbox.getText());
         ctr = 0;
         value = "";
         answer = (totalDouble1/100);
         tbox.setText("" + answer);
         
         
        }
 
 }
 


      


 public static void main(String args[]) throws Exception {
     new Calculator1().setVisible(true);
  }}