Here is my code. my problem now is how to convert it to GUI.
public class ProductController extends ProductModel{
public String getPname(int barCode){
return this.pname(barCode);
}
public double getPrice(int barCode)
{
return this.price(barCode);
}
public void displayCartControl( int retryTrigger ){
this.displayShoppingCart(retryTrigger);
}
}public class ProductModel {
public static double[] pprice = new double[999];
public static String[] pname = new String[999];
public static int[] qty = new int[999];
public static int getIndex = 0;
public static double finalSubtotal = 0;
public static double finalTax = 0;
public static double finalTotal = 0;
public static ProductMain mainInt = new ProductMain();
public String pname(int barCode){
String[] productName = new String[99999];
productName[11240] = "Safegaurd";
productName[22012] = "TJ Hotdog Jumbo";
productName[32102] = "Colgate 360 Toothbrush 2s";
productName[44112] = "Green Cross Alcohol";
productName[10023] = "Mentos Candy";
return productName[barCode];
}
public double price(int barCode)
{
double[] productPrice = new double[99999];
productPrice[11240] = 15.75;
productPrice[22012] = 77.75;
productPrice[32102] = 99.50;
productPrice[44112] = 23.25;
productPrice[10023] = 14.05;
return productPrice[barCode];
}
public static void displayShoppingCart( int retry ){
if(retry == 0){
getIndex--;
}
finalSubtotal = 0;
finalTotal = 0;
finalTax = 0;
System.out.println("\n===================================================================");
System.out.println("Product Name \t Qty \t Price \t Subtotal\n");
for(int x = 0; x <= getIndex;x++){
double subtotal = pprice[x]*qty[x];
finalSubtotal = finalSubtotal + subtotal;
finalTax = finalSubtotal*0.12;
finalTotal = finalSubtotal + finalTax;
System.out.println(pname[x] + " \t " + qty[x] + " \t " + pprice[x] + " \t " + subtotal);
}
System.out.println("===================================================================");
System.out.println("Subtotal: " + finalSubtotal);
System.out.println("Tax: " + finalTax);
System.out.println("Total: " + finalTotal);
if(retry == 1){
getIndex++;
mainInt.main(null);
}else{
System.out.println("Thank you for Shopping.");
System.out.println("Please Come Back Again.");
System.exit(0);
}
}
}import java.util.Scanner;
public class ProductMain extends ProductModel{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter Product Bar Code:");
int productCode = 0;
int prodQuantity = 0;
try{
productCode = input.nextInt();
}catch(Exception e){
System.out.println("Processing: ");
displayShoppingCart(0);
}
System.out.print("Qty:");
prodQuantity = input.nextInt();
if(productCode > 99999){
System.out.println("!Error: " + productCode + ". Too much digits. The program only accepts 5 digits");
retryAgain();
}else if(productCode < 0){
System.out.println("!Error: " + productCode + " is not a valid barcode.");
retryAgain();
}
System.out.println();
System.out.println("Product Bar Code:" + productCode);
ProductController getProduct = new ProductController();
String productName = getProduct.getPname(productCode);
double productPrice = getProduct.getPrice(productCode);
if(productName == null){
System.out.println("Product Not Found");
retryAgain();
}else{
pprice[getIndex] = productPrice;
pname[getIndex] = productName;
qty[getIndex] = prodQuantity;
displayInfo(productName, productPrice);
displayShoppingCart(1);
}
}
static void displayInfo(String productName, double productPrice) {
System.out.println("Product Name : " + productName);
System.out.println("Product Price: $" + productPrice);
}
static void retryAgain(){
Scanner input = new Scanner(System.in);
System.out.print("Do you want to try again? [Y]Yes: ");
String confirm = input.nextLine();
if(confirm.equalsIgnoreCase("Y") || confirm.equalsIgnoreCase("Yes")){
System.out.println();
main(null);
}else{
System.out.println();
System.out.println("Thank You");
System.exit(0);
}
}
}My unfinished code for GUI as of now
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
public class GUI extends JFrame{
JLabel error,total,quantity,barcode,product1,product2,product3,product4,product5;
JTextField errorTF,quantityTF,barcodeTF,totalTF;
JButton compute,exit,clear,sub;
public GUI(){
setTitle("Product Barcode");
setSize(400,200);
setDefaultCloseOperation(EXIT_ON_CLOSE);
product1 = new JLabel(" Safeguard [11240] = 15.75 php ",SwingConstants.CENTER);
product2 = new JLabel(" TJ Hotdog Jumbo [22012] = 77.75 php ",SwingConstants.CENTER);
product3 = new JLabel(" Colgate 360 Toothbrush 2s [32102] = 99.50 php ",SwingConstants.CENTER);
product4 = new JLabel(" Green Cross Alchohol [44112] = 23.95 php ",SwingConstants.CENTER);
product5 = new JLabel(" Menthos [10023] = 14.05 php ",SwingConstants.CENTER);
barcode = new JLabel(" Barcode: ",SwingConstants.CENTER);
quantity = new JLabel(" Quantity: ",SwingConstants.CENTER);
total = new JLabel("Total: ",SwingConstants.CENTER);
error = new JLabel("Error: ",SwingConstants.CENTER);
barcodeTF = new JTextField(10);
quantityTF = new JTextField(10);
totalTF = new JTextField(10);
errorTF = new JTextField(10);
compute = new JButton("Compute");
ButtonHandler calculatex = new ButtonHandler();
compute.addActionListener(calculatex);
exit = new JButton("End!");
exitHandler exits = new exitHandler();
exit.addActionListener(exits);
clear = new JButton("Clear");
clearHandler clears = new clearHandler();
clear.addActionListener(clears);
sub = new JButton("Submitted By: Michael Bern Gasendo");
sub.setEnabled(false);
Container pane = getContentPane();
pane.setLayout(new GridLayout(4,1));
pane.add(product1);
pane.add(product2);
pane.add(product3);
pane.add(product4);
pane.add(product5);
pane.add(barcode);
pane.add(barcodeTF);
pane.add(quantity);
pane.add(quantityTF);
pane.add(total);
pane.add(totalTF);
pane.add(compute);
pane.add(exit);
pane.add(clear);
pane.add(sub);
totalTF.setEditable(false);
setVisible(true);
}
class clearHandler implements ActionListener{
public void actionPerformed(ActionEvent e){
barcodeTF.setText("");
quantityTF.setText("");
totalTF.setText("");
}
}
class ButtonHandler implements ActionListener{
public void actionPerformed(ActionEvent e){
double[] pprice = new double[999];
String[] pname = new String[999];
int[] qty = new int[999];
int getIndex = 0;
double finalSubtotal = 0;
double finalTax = 0;
double finalTotal = 0;
double[] productPrice = new double[99999];
productPrice[11240] = 15.75;
productPrice[22012] = 77.75;
productPrice[32102] = 99.50;
productPrice[44112] = 23.25;
productPrice[10023] = 14.05;
finalSubtotal = 0;
finalTotal = 0;
finalTax = 0;
for(int x = 0; x <= getIndex;x++){
double subtotal = pprice[x]*qty[x];
finalSubtotal = finalSubtotal + subtotal;
finalTax = finalSubtotal*0.12;
finalTotal = finalSubtotal + finalTax;
int productCode = 0;
int prodQuantity = 0;
productCode = Integer.parseInt(barcodeTF.getText());
prodQuantity = Integer.parseInt(quantityTF.getText());
if(productCode > 99999){
errorTF.setText("Too much digits. The program only accepts 5 digits");
}else if(productCode < 0){
errorTF.setText("Too much digits. The program only accepts 5 digits");
}
}
}
}
class subHandler implements ActionListener{
public void actionPerformed(ActionEvent e){
}
}
public static void main (String[]args){
GUI x = new GUI();
}
class exitHandler implements ActionListener{
public void actionPerformed(ActionEvent e){
System.exit(0);
}
}
}