Kalkulator / Hamsyah / 2012420077

public class CalculatorModel {
    int operator=0;
    double operand1=0;
    double operand2=0;
    double result=0;
 
    public void setOperand(String opr) {
        if(!opr.equals("")){
            if(operator==0){
                operand1=Double.valueOf(opr);
            }else{
                operand2=Double.valueOf(opr);
            }
        }
    }
 
    public void setOperator(int operator) {
        this.operator = operator;
    }
 
    public double getResult() {
        return result;
    }
 
    public void setResult(double hasil) {
        this.result = hasil;
    }
 
    public void process(){
        switch (operator){
            case 1:
                result = operand1 + operand2;
                break;
            case 2:
                result = operand1 - operand2;
                break;
            case 3:
                result = operand1 * operand2;
                break;
            case 4:
                result = operand1 / operand2;
                break;
            case 5:
                result = operand1 % operand2;
                break;
            case 6:
                result = 1/operand1;
                break;
            default: result = operand1;
        }
        operand1=result;
    }
 
    public void setOperand1(double operand1) {
        this.operand1 = operand1;
    }
 
    public void setOperand2(double operand2) {
        this.operand2 = operand2;
    }
 
    public void clear(){
        setOperand1(0);
        setOperand2(0);
        setResult(0);
        setOperator(0);
    }
 
}

package view;
 
import java.text.DecimalFormat;
import javax.swing.JOptionPane;
import model.CalculatorModel;
 
public class CalculatorView extends javax.swing.JFrame {
 
    /** Creates new form CalculatorView */
    public CalculatorView() {
        initComponents();
    }
    CalculatorModel model = new CalculatorModel();
    String operand="";
 
    public void getOperand(javax.swing.JButton button){
        operand+=button.getText();
        resultLabel.setText(operand);
    }
 
    private void getOperator(int opt){
        model.setOperand(operand);
        model.setOperator(opt);
        if(opt == 1 || opt == 2){
            model.process();
            resultLabel.setText(model.getResult()+"");
        }else{
            resultLabel.setText(operand);
        }
        operand = "";
    }
    private void process(){
        DecimalFormat df = new DecimalFormat("#,###.########");
        model.setOperand(operand);
        model.process();
        operand = "";
        resultLabel.setText(df.format(model.getResult())+"");
    }
 
    private void button1ActionPerformed(java.awt.event.ActionEvent evt) {
        getOperand(button1);
    }                                       
 
    private void button2ActionPerformed(java.awt.event.ActionEvent evt) {
        getOperand(button2);
    }                                       
 
    private void button3ActionPerformed(java.awt.event.ActionEvent evt) {
        getOperand(button3);
    }                                       
 
    private void button4ActionPerformed(java.awt.event.ActionEvent evt) {
        getOperand(button4);
    }                                       
 
    private void button5ActionPerformed(java.awt.event.ActionEvent evt) {
        getOperand(button5);
    }                                       
 
    private void button6ActionPerformed(java.awt.event.ActionEvent evt) {
        getOperand(button6);
    }                                       
 
    private void button7ActionPerformed(java.awt.event.ActionEvent evt) {
        getOperand(button7);
    }                                       
 
    private void button8ActionPerformed(java.awt.event.ActionEvent evt) {
        getOperand(button8);
    }                                       
 
    private void button9ActionPerformed(java.awt.event.ActionEvent evt) {
        getOperand(button9);
    }                                       
 
    private void buttonTambahActionPerformed(java.awt.event.ActionEvent evt) {
        getOperator(1);
    }                                            
 
    private void buttonKurangActionPerformed(java.awt.event.ActionEvent evt) {
       getOperator(2);
    }                                            
 
    private void buttonKaliActionPerformed(java.awt.event.ActionEvent evt) {
        getOperator(3);
    }                                          
 
    private void buttonBagiActionPerformed(java.awt.event.ActionEvent evt) {
        getOperator(4);
    }                                          
 
    private void buttonModulusActionPerformed(java.awt.event.ActionEvent evt) {
        getOperator(5);
    }                                             
 
    private void buttonSeperActionPerformed(java.awt.event.ActionEvent evt) {
        getOperator(6);
    }                                           
 
    private void buttonSamaDenganActionPerformed(java.awt.event.ActionEvent evt) {
        process();
    }                                                
 
    private void button11ActionPerformed(java.awt.event.ActionEvent evt) {
        getOperand(button11);
    }                                        
 
    private void buttonKomaActionPerformed(java.awt.event.ActionEvent evt) {
        getOperand(buttonKoma);
    }                                          
 
    private void button12ActionPerformed(java.awt.event.ActionEvent evt) {
        if(operand.length()>1){
            operand = operand.substring(0, operand.length()-1);
            model.setOperand(operand);
            resultLabel.setText(operand);
        }else{
            operand = "";
            model.setOperand(operand);
            resultLabel.setText("0");
        }
    }                                        
 
    private void buttonACActionPerformed(java.awt.event.ActionEvent evt) {
        operand = "";
        model.clear();
        resultLabel.setText("0");
    }                                        
 
    private void menuExitActionPerformed(java.awt.event.ActionEvent evt) {
        if(JOptionPane.showConfirmDialog(rootPane, "Are you sure you will exit this application?","Exit Application",1)==0){
            System.exit(0);
        }
    }                                        
 

import view.CalculatorView;
 
public class Main {
 
    public static void main(String[] args) {
        new CalculatorView().setVisible(true);
    }
 
}

share this article to: Facebook Twitter Google+ Linkedin Technorati Digg

Posted by arek informatika, Published at 07.17 and have 0 komentar