I am making a GUI application on pizza Shop menu. it asks for name of customer a

Question

I am making a GUI application on pizza Shop menu. it asks for name of customer and type of pizza as well as size of pizza. I did everything but i am not able to do the price part. Below is the screenshot of the price list. For regular pizza we can not check more than 2 toppings for the checkbox(i dont know how to do that) and no more that 3 toppings in feast. We have to display the total cost in scene 1(according to the code written below).

package application;

import javafx.application.Application;

import javafx.event.ActionEvent;

import javafx.event.EventHandler;

import javafx.geometry.Pos;

import javafx.scene.Scene;

import javafx.scene.control.Button;

import javafx.scene.control.CheckBox;

import javafx.scene.control.Hyperlink;

import javafx.scene.control.Label;

import javafx.scene.control.RadioButton;

import javafx.scene.control.TextField;

import javafx.scene.control.ToggleGroup;

import javafx.scene.image.Image;

import javafx.scene.image.ImageView;

import javafx.scene.layout.GridPane;

import javafx.scene.layout.HBox;

import javafx.scene.layout.VBox;

import javafx.scene.text.Font;

import javafx.stage.Stage;

public class Main extends Application {

@Override

public void start(Stage primaryStage) {

GridPane root = new GridPane();

root.setAlignment(Pos.CENTER);

root.setHgap(10);

root.setVgap(10);

Scene scene = new Scene(root,600,600);

Label title = new Label("Enter Details");

root.add(title, 0, 0, 2, 1);

title.setFont(Font.font(60));

TextField firstNameFld = new TextField();

TextField lastNameFld = new TextField();

Label firstNameLb1 = new Label("First Name: ");

Label lastNameLb1 = new Label("Last Name: ");

firstNameLb1.setLabelFor(firstNameFld);

lastNameLb1.setLabelFor(lastNameFld);

firstNameLb1.setMnemonicParsing(true);

lastNameLb1.setMnemonicParsing(true);

root.addRow(1, firstNameLb1, firstNameFld);

root.addRow(2, lastNameLb1, lastNameFld);

Button btn = new Button("Order Details");

root.add(btn, 0,14);

Label title1 = new Label("Choose the type of pizza you want");

root.add(title1, 0,3);

title1.setStyle("-fx-font-weight: bold;");

RadioButton radiobutton4 = new RadioButton("Regular");

RadioButton radiobutton5 = new RadioButton("Feast");

ToggleGroup radioGroup1 = new ToggleGroup();

radiobutton4.setToggleGroup(radioGroup1);

radiobutton5.setToggleGroup(radioGroup1);

VBox vbox1 = new VBox(radiobutton4, radiobutton5 );

root.add(vbox1, 0, 5, 2, 1 );

  

Label title2 = new Label("Choose the size of pizza you want");

root.add(title2, 0,7);

title2.setStyle("-fx-font-weight: bold;");

  

  

RadioButton radioButton1 = new RadioButton("small");

RadioButton radioButton2 = new RadioButton("medium");

RadioButton radioButton3 = new RadioButton("large");

  

ToggleGroup radioGroup = new ToggleGroup();

radioButton1.setToggleGroup(radioGroup);

radioButton2.setToggleGroup(radioGroup);

radioButton3.setToggleGroup(radioGroup);   

  

VBox vbox2 = new VBox(radioButton1, radioButton2, radioButton3);

  

root.add(vbox2, 0, 8, 3, 2 );

  

Label title4 = new Label("Choose the toppings you would like to have on the pizza ");

root.add(title4, 0,10);

title4.setStyle("-fx-font-weight: bold;");

CheckBox cb1 = new CheckBox("Chicken");

CheckBox cb2 = new CheckBox("peppers");

CheckBox cb3 = new CheckBox("mushrooms");

HBox hbox = new HBox(cb1,cb2,cb3);

  

root.add(hbox, 0, 12, 2, 1 );

  

  

  

GridPane root2 = new GridPane();

root2.setAlignment(Pos.CENTER);

root2.setHgap(10);

root2.setVgap(10);

Scene scene1 = new Scene(root2,600,600);

  

Label outRadioBtn1 = new Label();

root2.add(outRadioBtn1, 0, 2);

  

Label outRadioBtn2 = new Label();

root2.add(outRadioBtn2, 0, 3);

  

  

Label nameLabel = new Label();

root2.add(nameLabel, 0, 1);

  

Label cbOut = new Label();

root2.add(cbOut, 0, 4);

  

  

GridPane root3 = new GridPane();

root3.setAlignment(Pos.CENTER);

root3.setHgap(10);

root3.setVgap(10);

Scene scene2= new Scene(root3,400,400);

GridPane root4 = new GridPane();

root4.setAlignment(Pos.CENTER);

root4.setHgap(10);

root4.setVgap(10);

Scene scene3= new Scene(root4,500,500);

Hyperlink hyperlink = new Hyperlink("Debit");

  

root3.add(hyperlink, 0, 1);

  

hyperlink.setOnAction(new EventHandler<ActionEvent>() {

@Override

public void handle(ActionEvent event) {

getHostServices().showDocument("http://interac.ca/en/interac-online-faq.html");

}

});

  

Hyperlink hyperlink1 = new Hyperlink("Credit");

  

root3.add(hyperlink1, 0, 3);

  

hyperlink1.setOnAction(new EventHandler<ActionEvent>() {

@Override

public void handle(ActionEvent event) {

getHostServices().showDocument("https://www.paypal.com/ca/signin");

}

});

  

  

Hyperlink Cash = new Hyperlink("Cash");

root4.add(Cash, 0, 5);

Image image = new Image("file:src/application/cash.jpg");

ImageView iv = new ImageView();

  

Cash.setOnAction(new EventHandler<ActionEvent>() {

@Override

public void handle(ActionEvent event) {

iv.setImage(image);

root4.add(iv, 0, 1);

}

});

Label title3 = new Label("How would you like to pay for your order");

root2.add(title3, 0,6);

title3.setStyle("-fx-font-weight: bold;");

RadioButton radiobutton6 = new RadioButton("Cash");

RadioButton radiobutton7 = new RadioButton("Debit or Credit");

ToggleGroup radioGroup2 = new ToggleGroup();

radiobutton6.setToggleGroup(radioGroup2);

radiobutton7.setToggleGroup(radioGroup2);

VBox vbox3 = new VBox(radiobutton6, radiobutton7 );

root2.add(vbox3, 0, 7, 2, 1 );

  

Button btn1 = new Button("go back to previous scene");

root2.add(btn1, 0, 12);

Button btn2 = new Button("Submit");

root2.add(btn2, 0, 10);

  

Button btn3 = new Button("go back to previous scene");

root3.add(btn3, 0, 7);

Button btn4 = new Button("go back to previous scene");

root4.add(btn4, 0, 7);

  

  

btn.setOnAction(new EventHandler<ActionEvent>() {

@Override

public void handle(ActionEvent event) {

primaryStage.setScene(scene1);

if(radioButton1.isSelected()) {

outRadioBtn2.setText("Size of the Pizza : Small");

}

  

if(radioButton2.isSelected()) {

outRadioBtn2.setText("Size of the Pizza : Medium ");

}

if(radioButton3.isSelected()) {

outRadioBtn2.setText("Size of the Pizza : Large");

}

if(radiobutton4.isSelected()) {

outRadioBtn1.setText("Type of the Pizza : Regular ");

}

if(radiobutton5.isSelected()) {

outRadioBtn1.setText("Type of the Pizza : Feast");

}

nameLabel.setText("Name of the Customer : "+ firstNameFld.getText() +" " + lastNameFld.getText());

  

  

String Toppings = null;

  

if (cb1.isSelected()) {

Toppings = " Chicken ";

cbOut.setText(Toppings);

}

if (cb2.isSelected()) {

Toppings += " Peppers ";

cbOut.setText(Toppings);

}

  

if (cb3.isSelected()) {

Toppings += " Mushrooms ";

cbOut.setText(Toppings);

}

  

  

  

  

  

primaryStage.show();

  

  

}

  

});

  

btn1.setOnAction(new EventHandler<ActionEvent>() {

@Override

public void handle(ActionEvent event) {

primaryStage.setScene(scene);

  

primaryStage.show();

}

});

  

btn2.setOnAction(new EventHandler<ActionEvent>() {

@Override

public void handle(ActionEvent event) {

if(radiobutton6.isSelected()) {

primaryStage.setScene(scene3);

}

if(radiobutton7.isSelected()) {

primaryStage.setScene(scene2);

}

primaryStage.show();

}

});

  

btn3.setOnAction(new EventHandler<ActionEvent>() {

@Override

public void handle(ActionEvent event) {

primaryStage.setScene(scene1);

primaryStage.show();

}

});

  

  

btn4.setOnAction(new EventHandler<ActionEvent>() {

@Override

public void handle(ActionEvent event) {

primaryStage.setScene(scene1);

primaryStage.show();

}

});

  

scene.getStylesheets().add(getClass().getResource("application.css").toExternalForm());

primaryStage.setScene(scene);

primaryStage.show();

}

public static void main(String[] args) {

launch(args);

}

}

Here is the price list.

Pizza 2 ToppingsRegular Feast 3 Toppings 2.5S/Topping Small (108) Small (105) 2.5S/Topping Medium (125) Medium (12S) Large (14S) Large (145) Total Cost of Pizza TypeofPizzaBaseCost NumberofToppings CostPerTopping

Explanation / Answer

There are two types of programs for this :-

PIZZA GUI

import javax.swing.*;

import javax.swing.border.*;

import java.awt.*;

import java.awt.event.*;

import java.util.EventObject;

public class PizzaCalculator extends JFrame implements ActionListener {

JPanel westPanel = new JPanel();

JPanel eastPanel = new JPanel();

JPanel centerPanel = new JPanel();

JPanel northPanel = new JPanel();

JPanel southPanel = new JPanel();

// pizza size options

JRadioButton Small = new JRadioButton("Small");

JRadioButton Medium = new JRadioButton("Medium");

JRadioButton Large = new JRadioButton("Large");

// pizza topping selections

JCheckBox Sausage = new JCheckBox("Sausage");

JCheckBox Olives = new JCheckBox("Olives");

JCheckBox Pepperoni = new JCheckBox("Pepperoni");

JCheckBox Mushrooms = new JCheckBox("Mushrooms");

JCheckBox Salami = new JCheckBox("Salami");

JCheckBox Anchovies = new JCheckBox("Anchovies");

// calculate, clear, and total buttons

JButton Calculate = new JButton("Calculate");

JButton Exit = new JButton("Exit");

JLabel Total = new JLabel("Price: ");

JTextField TotalResult = new JTextField(8);

// variables used to calculate total

int TopQty = 0;

double Size = 0;

double TopCost = 0;

double TotalCost = 0;

public PizzaCalculator()

{

// layout north portion of frame

northPanel.setLayout(new GridLayout());

northPanel.setBorder(new TitledBorder("Size:"));

// register listeners with buttons

Small.addActionListener(this);

Medium.addActionListener(this);

Large.addActionListener(this);

Calculate.addActionListener(this);

ButtonGroup pizzaSize = new ButtonGroup();

pizzaSize.add(Small);

pizzaSize.add(Medium);

pizzaSize.add(Large);

// add buttons to north panel

northPanel.add(Small);

northPanel.add(Medium);

northPanel.add(Large);

centerPanel.setLayout(new GridLayout(5, 3));

centerPanel.setBorder(new TitledBorder("Toppings:"));

centerPanel.add(Sausage);

centerPanel.add(Olives);

centerPanel.add(Pepperoni);

centerPanel.add(Mushrooms);

centerPanel.add(Salami);

centerPanel.add(Anchovies);

southPanel.add(Total);

southPanel.add(TotalResult);   

southPanel.add(Calculate);

southPanel.add(Exit);

// add all portions of panel

setLayout(new BorderLayout());

add(northPanel, BorderLayout.NORTH);

add(centerPanel, BorderLayout.CENTER);

add(southPanel, BorderLayout.SOUTH);

}

// handle action event for each pizza option

public void actionPerformed(ActionEvent e)

{

if (e.getSource() == Small)

setSizeS();

else if (e.getSource() == Medium)

setSizeM();

else if (e.getSource() == Large)

setSizeL();

if (e.getSource() == Sausage)

TopQty++;

else if (e.getSource() == Olives)

TopQty++;

else if (e.getSource() == Pepperoni)

TopQty++;

else if (e.getSource() == Mushrooms)

TopQty++;

else if (e.getSource() == Salami)

TopQty++;

else if (e.getSource() == Anchovies)

TopQty++;

TopCost(TopQty);

if (e.getSource() == Calculate)

calculate(Size, TopCost);

}

public double setSizeS()

{

return Size = 6.99;

}

public double setSizeM()

{

return Size = 8.99;

}

public double setSizeL()

{

return Size = 10.99;

}

public double setTopCost()

{

if (TopQty == 1)

TopCost = 1.49;

else if (TopQty == 2)

TopCost = 1.49;

else if (TopQty == 3)

TopCost = 1.49;

else if (TopQty == 4)

TopCost = 0.99;

else if (TopQty == 5)

TopCost = 0.99;

else if (TopQty == 6)

TopCost = 0.99;

return TopCost;

}

public void calculate(double Size, double TopCost)

{

TotalCost = Size + TopCost;

TotalResult.setText(String.valueOf(TotalCost));

}

public static void main(String[] args)

{

PizzaCalculator PizzaCalc = new PizzaCalculator();

// set window title

PizzaCalc.setTitle("Pizza Calculator");

// set window location

PizzaCalc.setLocationRelativeTo(null);

// specify window location

PizzaCalc.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

// set window size

PizzaCalc.setSize(300, 350);

// display window

PizzaCalc.setVisible(true);

}

}

2nd PIZZA GUI CODE

import java.text.NumberFormat;

import java.awt.BorderLayout;

import java.awt.GridLayout;

import java.awt.Color;

import java.awt.event.ActionListener;

import java.awt.event.ActionEvent;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import javax.swing.ButtonGroup;

import javax.swing.JCheckBox;

import javax.swing.JLabel;

import javax.swing.BorderFactory;

public class PizzaFrame extends JFrame

{

private JRadioButton smallButton;

private JRadioButton mediumButton;

private JRadioButton largeButton;

private JCheckBox pepperoniBox;

private JCheckBox anchoviesBox;

private ActionListener listener; // needs to update price

private JLabel priceArea; // doesn't need to be (big) text area

/** We want our frame to consist of 3 basic parts:

* A set of radio buttons for size of pizza

* a couple check boxes to choose toppings (pepperoni and/or anchovies)

* a section where the price of the pizza is to be shown.

* So that this method doesn't get too long, these 3 parts will be

* created in other methods.

*/

public PizzaFrame()

{

class DetectInput implements ActionListener

{

public void actionPerformed(ActionEvent e)

{

updatePrice();

}

}

listener = new DetectInput();

JPanel sizePanel = createButtons();

JPanel toppingPanel = createBoxes();

// put first 2 panels into another panel to group them

JPanel centerPanel = new JPanel();

centerPanel.add(sizePanel);

centerPanel.add(toppingPanel);

JPanel pricePanel = createOutput();

getContentPane().add(centerPanel, BorderLayout.CENTER);

getContentPane().add(pricePanel, BorderLayout.SOUTH);

pack();

}

/** createButtons - Radio buttons for the size panel.

*/

public JPanel createButtons()

{

// make 3 buttons, and attach the listener to them; make medium default

smallButton = new JRadioButton("Small");

mediumButton = new JRadioButton("Medium");

largeButton = new JRadioButton("Large");

smallButton.addActionListener(listener);

mediumButton.addActionListener(listener);

largeButton.addActionListener(listener);

mediumButton.setSelected(true);

// We need a button group because we want only 1 button to appear chosen

// at a time.

ButtonGroup group = new ButtonGroup();

group.add(smallButton);

group.add(mediumButton);

group.add(largeButton);

// make a panel for the radio buttons

JPanel radioButtonPanel = new JPanel();

radioButtonPanel.setLayout(new GridLayout(3,1));

// do we need a border?

radioButtonPanel.add(smallButton);

radioButtonPanel.add(mediumButton);

radioButtonPanel.add(largeButton);

return radioButtonPanel;

}

/** createBoxes - Check boxes for topping panel.

*/

public JPanel createBoxes()

{

// make 2 buttons for the toppings boxes

pepperoniBox = new JCheckBox("Pepperoni");

anchoviesBox = new JCheckBox("Anchovies");

pepperoniBox.addActionListener(listener);

anchoviesBox.addActionListener(listener);

JPanel boxPanel = new JPanel();

boxPanel.setLayout(new GridLayout(2,1));

boxPanel.add(pepperoniBox);

boxPanel.add(anchoviesBox);

// Do we want border around panel? Let's try it!

// JPanel's setBorder method takes a parameter that is an object of a

// class that implements the Border interface.

// The BorderFactory class has many static methods that can create

// borders for us.

boxPanel.setBorder(BorderFactory.createLineBorder(Color.green));

return boxPanel;

}

public JPanel createOutput()

{

JPanel pricePanel = new JPanel();

pricePanel.add(new JLabel("Your Price: "));

// initialize price and put it in panel too

priceArea = new JLabel();

updatePrice(); // find price of default pizza

pricePanel.add(priceArea);

return pricePanel;

}

public void updatePrice()

{

double price;

if (smallButton.isSelected())

price = 5.25;

else if (mediumButton.isSelected())

price = 6.50;

else // then it must be large

price = 7.75;

if (pepperoniBox.isSelected())

{

price += 0.60;

}

if (anchoviesBox.isSelected())

{

price += 0.30;

}

// format the price and put it in the priceArea label

NumberFormat money = NumberFormat.getCurrencyInstance();

String output = money.format(price);

priceArea.setText("" + output);

repaint();

}

}

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