A programming course to build 3 JavaFX Applications https://aleftavtraining.siterubix.com/

1. Build 3 JavaFX Apps
Real-world, modern-looking GUIs with JavaFX
Marius Claassen,
Build 3 JavaFX Apps

2. About me
Marius Claassen, Java Expert and Teacher
I taught myself to program using Java. Having been a teacher for many
years, I am now working full-time as an independent software
instructor, making video tutorials. My passions are learning, teaching
and Java in equal measure. It is my mission to help others learn
programming in general and Java-related software in particular.
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Marius Claassen,
Build 3 JavaFX Apps

3. Benefits
• Build applications in JavaFX
• Create a portfolio of working Apps
• Implement the MVC pattern
• Analyse Business requirements
• Devise JavaFX solutions
• Develop real-world apps
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Marius Claassen,
Build 3 JavaFX Apps

4. Major components
• Introduction
• Airline App
• Health Centre App
• Real Estate App
• Conclusion
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Marius Claassen,
Build 3 JavaFX Apps

5. Development tools
• JDK (SE10)
http://www.oracle.com/technetwork/java/javase/downloads/jdk10-downloads-4416644.html
• IDE (IntelliJ IDEA)
https://www.jetbrains.com/idea/download/#section=windows
• Scene Builder
http://gluonhq.com/products/scene-builder/thanks/?dl=/download/scene-builder-9-windows-x64/
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6. Ideal student
Completed intermediate course
You want to build modern Apps
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Build 3 JavaFX Apps

7. Enrolment
• 30-day money back guarantee
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8. Major components
 Introduction
• Airline App
• Health Centre App
• Real Estate App
• Conclusion
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Marius Claassen,
Build 3 JavaFX Apps

9. Lecture 2: Airline App - Design
Problem statement:
Design the graphical user interface of an
airline App
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Marius Claassen,
Build 3 JavaFX Apps

11. Lecture 3: Airline App - Style
Problem statement:
Add style to the design of the Airline App
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Marius Claassen,
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12. Lecture 3: Airline App - Style
.mainContainer {
-fx-background-color: linear-gradient(aliceblue, lightblue, aliceblue);
}
.labelPrimary {
-fx-font-family: "Century Gothic";
-fx-font-size: 20;
-fx-font-weight: bold;
}
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13. .labelsSecondary {
-fx-font-family: "Century Gothic";
-fx-font-size: 12;
-fx-font-weight: bold;
}
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14. .buttons {
-fx-background-color: black;
-fx-background-radius: 50;
-fx-font-family: "Century Gothic";
-fx-font-size: 13;
-fx-text-fill: white;
-fx-font-weight: bold;
}
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15. .labelOutput {
-fx-background-color: white;
-fx-font-family: "Century Gothic";
-fx-font-size: 13;
-fx-text-fill: black;
-fx-font-weight: bold;
}
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17. Lecture 4: Airline App – Code 1
Problem statement:
Implement code to check if a passenger’s
boarding is confirmed
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18. Lecture 4: Airline App – Code 1
package javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
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19. public class AirlineApp extends Application {
@Override public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource("AirlineView.fxml"));
primaryStage.setTitle("JavaFX Airline App");
primaryStage.setScene(new Scene(root));
primaryStage.setResizable(false);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
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20. Lecture 4: Airline App – Code 1
package javafx;
import javafx.collections.FXCollections;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.*;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import java.net.URL;
import java.time.LocalTime;
import java.util.ResourceBundle;
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21. public class AirlineController implements Initializable {
@FXML private TextField textFieldPassengerAge;
@FXML private CheckBox checkBoxPassport;
@FXML private Label labelPassenger;
@FXML private Button buttonPassenger;
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22. @FXML private void passengerButtonClick(ActionEvent event) {
int age = Integer.parseInt(textFieldPassengerAge.getText());
buttonPassenger.setOnAction(e -> {
if ((age >= 16) && (event.getSource() == checkBoxPassport)) {
labelPassenger.setText(" Boarding confirmed");
} else if ((age < 16) && (event.getSource() == checkBoxPassport)) {
labelPassenger.setText(" Boarding not confirmed");
} else { labelPassenger.setText(" Boarding confirmed"); }
});
}
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26. Lecture 5: Airline App – Code 2
Problem statement:
Implement code to process a passenger’s
luggage
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27. Lecture 5: Airline App – Code 2
package javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
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28. public class AirlineApp extends Application {
@Override public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource("AirlineView.fxml"));
primaryStage.setTitle("JavaFX Airline App");
primaryStage.setScene(new Scene(root));
primaryStage.setResizable(false);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
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29. Lecture 5: Airline App – Code 2
package javafx;
import javafx.collections.FXCollections;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.*;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import java.net.URL;
import java.time.LocalTime;
import java.util.ResourceBundle;
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30. public class AirlineController implements Initializable {
private static final double EXCESS_RATE_PER_KG = 5.00;
@FXML private TextField textFieldLuggageWeight;
@FXML private ListView<String> listViewAirlines;
@FXML private TextArea textAreaLuggage;
@FXML private Button buttonLuggage;
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31. @Override public void initialize(URL location, ResourceBundle rb) {
listViewAirlines.setItems(FXCollections.observableArrayList(
"AA#23kg", "DL#32kg", "AI#25kg", "LO#32kg", "TG#50kg",
"PK#30kg"));
}
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32. @FXML private void luggageButtonClick() {
double luggageWeight =
Double.parseDouble(textFieldLuggageWeight.getText());
String airline =
listViewAirlines.getSelectionModel().getSelectedItem();
String str = airline.substring(3,5);
double maxWeight = Double.parseDouble(str);
double excessWeight = luggageWeight - maxWeight;
double costOfLuggage = excessWeight*EXCESS_RATE_PER_KG;
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33. if (excessWeight <= 0) {
excessWeight = 0;
costOfLuggage = 0;
}
String luggageCost = "Excess weight: "
.concat(String.format("%.2f kgn", excessWeight))
.concat("Cost: $ ")
.concat(String.format("%.2f", costOfLuggage));
buttonLuggage.setOnAction(e ->
textAreaLuggage.setText(luggageCost)); } }
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36. Lecture 6: Airline App – Code 3
Problem statement:
Implement code to process the airline meals
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37. Lecture 6: Airline App – Code 3
package javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
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38. public class AirlineApp extends Application {
@Override public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource("AirlineView.fxml"));
primaryStage.setTitle("JavaFX Airline App");
primaryStage.setScene(new Scene(root));
primaryStage.setResizable(false);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
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39. Lecture 6: Airline App – Code 3
package javafx;
import javafx.collections.FXCollections;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.*;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import java.net.URL;
import java.time.LocalTime;
import java.util.ResourceBundle;
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40. public class AirlineController implements Initializable {
@FXML private TextField textFieldNumPassengers;
@FXML private TextArea textAreaMeals;
@FXML private Button buttonMeals;
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41. @FXML private void mealsButtonClick() {
int totalMeals = Integer.parseInt(textFieldNumPassengers.getText());
double vegetarianMeals = totalMeals / 3;
double nonVegetarianMeals = totalMeals - vegetarianMeals;
String mealDistribution = "Vegetarian: "
.concat(String.format("%.0fn", vegetarianMeals))
.concat("Non-vegetarian: ")
.concat(String.format("%.0f", nonVegetarianMeals));
buttonMeals.setOnAction(e -> textAreaMeals.setText(mealDistribution)); } }
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44. Lecture 7: Airline App – Code 4
Problem statement:
Implement code to process departure and
boarding times
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45. Lecture 7: Airline App – Code 4
package javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
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46. public class AirlineApp extends Application {
@Override public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource("AirlineView.fxml"));
primaryStage.setTitle("JavaFX Airline App");
primaryStage.setScene(new Scene(root));
primaryStage.setResizable(false);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
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47. Lecture 7: Airline App – Code 4
package javafx;
import javafx.collections.FXCollections;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.*;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import java.net.URL;
import java.time.LocalTime;
import java.util.ResourceBundle;
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48. public class AirlineController implements Initializable {
@FXML private TextField textFieldDepartureTime;
@FXML private Label labelBoardingTime;
@FXML private Button buttonDeparture;
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49. @FXML private void departureButtonClick() {
buttonDeparture.setOnAction(e -> {
if (departureTimeValidated()) {
String depart = textFieldDepartureTime.getText();
LocalTime departureTime = LocalTime.parse(depart);
LocalTime boardingTime = departureTime.minusMinutes(45);
labelBoardingTime.setText(boardingTime.toString());
}
}); }
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50. private boolean departureTimeValidated() {
if (textFieldDepartureTime.getText().isEmpty()) {
Alert alert = new Alert(Alert.AlertType.ERROR, "Enter departure
time");
alert.setTitle("");
alert.setHeaderText("");
alert.showAndWait();
return false;
}
return true; } }
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55. Lecture 8: Airline App – Code 5
Problem statement:
Implement code to process frequent flyer
points earned
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56. Lecture 8: Airline App – Code 5
package javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
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57. public class AirlineApp extends Application {
@Override public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource("AirlineView.fxml"));
primaryStage.setTitle("JavaFX Airline App");
primaryStage.setScene(new Scene(root));
primaryStage.setResizable(false);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
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58. Lecture 8: Airline App – Code 5
package javafx;
import javafx.collections.FXCollections;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.*;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import java.net.URL;
import java.time.LocalTime;
import java.util.ResourceBundle;
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59. public class AirlineController implements Initializable {
private ToggleGroup toggleGroup = new ToggleGroup();
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60. @FXML private TextField textFieldKmsTraveled;
@FXML private RadioButton radioBtnSilver;
@FXML private RadioButton radioBtnGold;
@FXML private RadioButton radioBtnPlatinum;
@FXML private ImageView imageViewFlyerBenefits;
@FXML private Label labelPointsEarned;
@FXML private Button buttonFlyerFrequency;
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61. @Override public void initialize(URL location,
ResourceBundle rb) {
private Image image = new Image("file:C:/Users/mariuscn/
IdeaProjects /airlineapp/src/javafx/" +
"images/NonMember.jpg");
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62. imageViewFlyerBenefits.setImage(image);
radioBtnSilver.setToggleGroup(toggleGroup);
radioBtnGold.setToggleGroup(toggleGroup);
radioBtnPlatinum.setToggleGroup(toggleGroup);
labelPointsEarned.setText("Points earned: 0");
}
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63. @FXML public void frequentFlyerButtonClick() {
String kmsTraveled = textFieldKmsTraveled.getText();
double kms = Double.parseDouble(kmsTraveled);
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64. if (toggleGroup.getSelectedToggle().equals(radioBtnSilver)) {
imageViewFlyerBenefits.setImage(new Image(
"file:C:/Users/mariuscn/IdeaProjects/airlineapp/src/javafx/images/Silver.jpg"));
kms = Math.floor(kms / 1.6);
} else if (toggleGroup.getSelectedToggle().equals(radioBtnGold)) {
imageViewFlyerBenefits.setImage(new Image(
"file:C:/Users/mariuscn/IdeaProjects/airlineapp/src/javafx/images/Gold.jpg"));
kms = kms * 0.15 + (Math.floor(kms / 1.6)); }
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65. else { imageViewFlyerBenefits.setImage(new Image(
"file:C:/Users/mariuscn/IdeaProjects/airlineapp/src/javafx /images/Platinum.jpg"));
kms = kms * 0.20 + (Math.floor(kms / 1.6)); }
String pointsEarned = "Points earned: "
.concat(String.format("%.0f", kms));
buttonFlyerFrequency.setOnAction(e ->
labelPointsEarned.setText(pointsEarned)); } }
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68. Major components
 Introduction
 Airline App
• Health Centre App
• Real Estate App
• Conclusion
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69. Lecture 9: Health centre - Design
Problem statement:
Design the graphical user interface of a
Health Centre App
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71. Lecture 10: Health centre - Style
Problem statement:
Add style to the design of the Health Centre
App
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72. Lecture 10: Health centre - Style
.mainContainer {
-fx-background-color: linear-gradient(violet, pink, violet);
}
.labelPrimary {
-fx-font-family: "Century Gothic";
-fx-font-size: 20;
-fx-font-weight: bold;
}
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73. .labelsSecondary {
-fx-font-family: "Century Gothic";
-fx-font-size: 12;
-fx-font-weight: bold;
}
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74. .buttons {
-fx-background-color: purple;
-fx-background-radius: 50;
-fx-font-family: "Century Gothic";
-fx-font-size: 13;
-fx-text-fill: white;
-fx-font-weight: bold;
}
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75. .labelsOutput {
-fx-background-color: white;
-fx-font-family: "Century Gothic";
-fx-font-size: 13;
-fx-text-fill: black;
-fx-font-weight: bold;
}
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77. Lecture 11: Health centre – Code 1
Problem statement:
Implement code to calculate the amount
payable to a health plan
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78. Lecture 11: Health centre – Code 1
package javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
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79. public class HealthCentreApp extends Application {
@Override public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource(“HealthCentreView.fxml"));
primaryStage.setTitle("JavaFX Health Centre App");
primaryStage.setScene(new Scene(root));
primaryStage.setResizable(false);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
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80. Lecture 11: Health centre – Code 1
package javafx;
import javafx.collections.FXCollections;
import javafxcollections.ObservableList;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.*;
import javafx.scene.control.cell.PropertyValueFactory;
import java.net.URL;
import java.time.LocalTime;
import java.util.ResourceBundle;
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81. public class HealthCentreController implements Initializable {
private static final double Y_CONTRIBUTION_RATE = 70;
private static final double C_CONTRIBUTION_RATE =
Y_CONTRIBUTION_RATE * 1.1;
private static final double L_CONTRIBUTION_RATE =
C_CONTRIBUTION_RATE * 1.1;
private static final double M_CONTRIBUTION_RATE =
L_CONTRIBUTION_RATE * 1.1;
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82. @FXML private ListView<String> listViewHealthPlans;
@FXML private TextField textFieldDependants;
@FXML private Button buttonHealthPlans;
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83. @Override public void initialize(URL location, ResourceBundle rb) {
textFieldDependants.setText("");
listViewHealthPlans.setItems(FXCollections.observableArrayList(
“Option Yud", “Option Chaf", “Option Lamed", “Option Mem"));
}
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84. @FXML private void healthPlanButtonClick() {
buttonHealthPlans.setOnAction(e -> {
if (validHealthPlan()) {
String plan =
listViewHealthPlans.getSelectionModel().getSelectedItem();
int dependants = Integer.parseInt(textFieldDependants.getText());
double = contribution;
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85. switch (plan) {
case "Option Yud": contribution =
Y_CONTRIBUTION_RATE + (dependants * 0.5 * Y_CONTRIBUTION_RATE); break;
case "Option Chaf": contribution =
C_CONTRIBUTION_RATE + (dependants * 0.5 * C_CONTRIBUTION_RATE); break;
case "Option Lamed": contribution =
L_CONTRIBUTION_RATE + (dependants * 0.5 * L_CONTRIBUTION_RATE); break;
default: contribution =
M_CONTRIBUTION_RATE + (dependants * 0.5 * M_CONTRIBUTION_RATE); break; }
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86. String result = String.format("%.2f", contribution);
Alert alert = new Alert(Alert.AlertType.INFORMATION,
"Monthly payment: $" + result);
alert.setTitle("");
alert.setHeaderText("");
alert.show(); } }); }
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87. private boolean validHealthPlan() {
if (textFieldDependants.getText().isEmpty() ||
(listViewHealthPlans.getSelectionModel().getSelectedItem().isEmpty())) {
Alert alert = new Alert(Alert.AlertType.ERROR,
"Select health plan and enter number of dependants");
alert.setTitle("");
alert.setHeaderText("");
alert.showAndWait();
return false; }
return true; } }
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91. Lecture 12: Health centre – Code 2
Problem statement:
Implement code to process a payment
schedule for 12 months
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92. Lecture 12: Health centre – Code 2
package javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
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93. public class HealthCentreApp extends Application {
@Override public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource(“HealthCentreView.fxml"));
primaryStage.setTitle("JavaFX Health Centre App");
primaryStage.setScene(new Scene(root));
primaryStage.setResizable(false);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
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94. Lecture 12: Health centre – Code 2
package javafx;
import javafx.collections.FXCollections;
import javafxcollections.ObservableList;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.*;
import javafx.scene.control.cell.PropertyValueFactory;
import java.net.URL;
import java.time.LocalTime;
import java.util.ResourceBundle;
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95. public class HealthCentreController implements Initializable {
private int paymentNo;
@FXML private TextField textFieldBalance;
@FXML private TableView<Payment> tableViewPmtSchedule;
@FXML private TableColumn<Payment, Integer>
tableColumnNumber;
@FXML private TableColumn<Payment, Integer>
tableColumnPayment;
@FXML private TableColumn<Payment, Integer>
tableColumnBalance;
@FXML private Button buttonPayment;
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96. @Override public void initialize(URL location, ResourceBundle rb) {
textFieldBalance.setText("");
}
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97. @FXML private void paymentButtonClick() {
int totalOwed = Integer.parseInt(textFieldBalance.getText());
int payment1 = Math.incrementExact((int) (totalOwed *.15));
int balance1 = Math.decrementExact(totalOwed - payment1);
int amtPerMonth = Math.round(balance1 / 11);
int balance2 = Math.round(balance1 - amtPerMonth);
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98. tableColumnNumber.setCellValueFactory(new PropertyValueFactory<>("paymentNumber"));
tableColumnPayment.setCellValueFactory(new PropertyValueFactory<>("monthlyPayment"));
tableColumnBalance.setCellValueFactory(new PropertyValueFactory<>("amountOwed"));
buttonPayment.setOnAction(e -> {
paymentNo = 0;
final ObservableList<Payment> data = FXCollections.observableArrayList(
new Payment(++paymentNo, payment1, balance1),
new Payment(++paymentNo, amtPerMonth, balance2),
new Payment(++paymentNo, amtPerMonth, balance2-amtPerMonth),
new Payment(++paymentNo, amtPerMonth, balance2-(amtPerMonth*2)),
new Payment(++paymentNo, amtPerMonth, balance2-(amtPerMonth*3)),
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99. new Payment(++paymentNo, amtPerMonth, balance2-(amtPerMonth*4)),
new Payment(++paymentNo, amtPerMonth, balance2-(amtPerMonth*5)),
new Payment(++paymentNo, amtPerMonth, balance2-(amtPerMonth*6)),
new Payment(++paymentNo, amtPerMonth, balance2-(amtPerMonth*7)),
new Payment(++paymentNo, amtPerMonth, balance2-(amtPerMonth*8)),
new Payment(++paymentNo, amtPerMonth, balance2-(amtPerMonth*9)),
new Payment(++paymentNo, amtPerMonth, balance2-(amtPerMonth*10))
);
tableViewPmtSchedule.setItems(data);
}); } }
99
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100. package javafx;
import javafx.beans.property.SimpleIntegerProperty;
public class Payment {
private SimpleIntegerProperty paymentNumber;
private final SimpleIntegerProperty monthlyPayment;
private final SimpleIntegerProperty amountOwed;
100
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101. public Payment(int paymentNo, int monthlyPayment, int amountOwed) {
this.paymentNumber = new SimpleIntegerProperty(paymentNo);
this.monthlyPayment = new
SimpleIntegerProperty(monthlyPayment);
this.amountOwed = new SimpleIntegerProperty(amountOwed);
}
101
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102. public int getPaymentNumber() {
return paymentNumber.get(); }
public SimpleIntegerProperty paymentNumberProperty() {
return paymentNumber; }
public void setPaymentNumber(int paymentNumber) {
this.paymentNumber.set(paymentNumber); }
102
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103. public int getMonthlyPayment() {
return monthlyPayment.get(); }
public SimpleIntegerProperty monthlyPaymentProperty() {
return monthlyPayment; }
public void setMonthlyPayment(int monthlyPayment) {
this.monthlyPayment.set(monthlyPayment); }
103
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104. public int getAmountOwed() {
return amountOwed.get(); }
public SimpleIntegerProperty amountOwedProperty() {
return amountOwed; }
public void setAmountOwed(int amountOwed) {
this.amountOwed.set(amountOwed); } }
104
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105. 105
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106. Lecture 13: Health centre – Code 3
Problem statement:
Implement code to allocate patients to each
doctor
106
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107. Lecture 13: Health centre – Code 3
package javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
107
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108. public class HealthCentreApp extends Application {
@Override public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource(“HealthCentreView.fxml"));
primaryStage.setTitle("JavaFX Health Centre App");
primaryStage.setScene(new Scene(root));
primaryStage.setResizable(false);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
108
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109. Lecture 13: Health centre – Code 3
package javafx;
import javafx.collections.FXCollections;
import javafxcollections.ObservableList;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.*;
import javafx.scene.control.cell.PropertyValueFactory;
import java.net.URL;
import java.time.LocalTime;
import java.util.ResourceBundle;
109
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110. public class HealthCentreController implements Initializable {
@FXML private TextField textFieldNumberOfPatients;
@FXML private Label labelDoctorTsade;
@FXML private Label labelDoctorKuf;
@FXML private Label labelDoctorReish;
@FXML private Button buttonDoctor;
110
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111. @Override public void initialize(URL location, ResourceBundle rb) {
textFieldNumberOfPatients.setText("");
}
111
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112. @FXML private void doctorButtonClick() {
int totalPatients =
Integer.parseInt(textFieldNumberOfPatients.getText());
int patientsPerDoctor = totalPatients / 3;
int remainder = totalPatients % 3;
int doctorTsade = patientsPerDoctor;
int doctorKuf = patientsPerDoctor;
112
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113. if (remainder == 2) {
doctorTsade++;
doctorKuf++;
} else {
doctorTsade++;
}
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114. String patientsDrTsade = String.format(" %d", doctorTsade);
String patientsDrKuf = String.format(" %d", doctorKuf);
String patientsDrReish = String.format(" %d", patientsPerDoctor);
buttonDoctor.setOnAction(e -> {
labelDoctorTsade.setText(patientsDrTsade);
labelDoctorKuf.setText(patientsDrKuf);
labelDoctorReish.setText(patientsDrReish);
} ); } }
114
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115. 115
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116. 116
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117. Lecture 14: Health centre – Code 4
Problem statement:
Implement code to process the doctors’
hours at work
117
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118. Lecture 14: Health centre – Code 4
package javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
118
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119. public class HealthCentreApp extends Application {
@Override public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource(“HealthCentreView.fxml"));
primaryStage.setTitle("JavaFX Health Centre App");
primaryStage.setScene(new Scene(root));
primaryStage.setResizable(false);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
119
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120. Lecture 14: Health centre – Code 4
package javafx;
import javafx.collections.FXCollections;
import javafxcollections.ObservableList;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.*;
import javafx.scene.control.cell.PropertyValueFactory;
import java.net.URL;
import java.time.LocalTime;
import java.util.ResourceBundle;
120
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121. public class HealthCentreController implements Initializable {
private ToggleGroup toggleGroup = new ToggleGroup();
@FXML private TextField textFieldNumberOfPatients;
@FXML private Label labelDoctorTsade;
@FXML private Label labelDoctorKuf;
@FXML private Label labelDoctorReish;
@FXML private Button buttonDoctor;
121
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122. @FXML private TextField textFieldNumberOfMinutes;
@FXML private RadioButton radioButtonEight;
@FXML private RadioButton radioButtonEleven;
@FXML private RadioButton radioButtonThirteen;
@FXML private Label labelTimeAtWork;
@FXML private Label labelSignOutTime;
122
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123. @Override public void initialize(URL location, ResourceBundle rb) {
textFieldNumberOfPatients.setText("");
textFieldMinutesPerPatient.setText("");
}
123
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124. @FXML private void doctorButtonClick() {
int totalPatients =
Integer.parseInt(textFieldNumberOfPatients.getText());
int patientsPerDoctor = totalPatients / 3;
int remainder = totalPatients % 3;
int doctorTsade = patientsPerDoctor;
int doctorKuf = patientsPerDoctor;
124
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125. if (remainder == 2) {
doctorTsade++;
doctorKuf++;
} else {
doctorTsade++;
}
125
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126. int hours = 0;
int minutes;
int aveConsultationTime =
Integer.parseInt(textFieldNumberOfMinutes.getText());
int totalConsultationTime = doctorTsade * aveConsultationTime;
int hoursWorked = 0;
126
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127. if (totalConsultationTime < 60) {
minutes = totalConsultationTime;
hoursWorked++;
} else if (totalConsultationTime < 120) {
hours++;
minutes = totalConsultationTime - 60;
hoursWorked += 2;
} else if (totalConsultationTime < 180) {
hours += 2;
minutes = totalConsultationTime - 60;
hoursWorked += 3; }
127
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128. else if (totalConsultationTime < 240) {
hours += 3;
minutes = totalConsultationTime - 60;
hoursWorked += 4;
} else {
hours += 4;
minutes = totalConsultationTime - 60;
hoursWorked += 5;
}
128
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129. radioButtonEight.setToggleGroup(toggleGroup);
radioButtonEleven.setToggleGroup(toggleGroup);
radioButtonThirteen.setToggleGroup(toggleGroup);
LocalTime time1 = LocalTime.of(8,0);
LocalTime time2 = LocalTime.of(11,0);
LocalTime time3 = LocalTime.of(13,0);
final LocalTime signOut;
129
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130. if (toggleGroup.getSelectedToggle().equals(radioButtonEight)) {
signOut = time1.plusHours(hoursWorked);
} else if
(toggleGroup.getSelectedToggle().equals(radioButtonEleven)) {
signOut = time2.plusHours(hoursWorked);
} else {
signOut = time3.plusHours(hoursWorked);
}
130
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131. String patientsDrTsade = String.format(" %d", doctorTsade);
String patientsDrKuf = String.format(" %d", doctorKuf);
String patientsDrReish = String.format(" %d", patientsPerDoctor);
String timeAtWork = " "
.concat(String.format("%d", hours))
.concat(" hour(s)")
.concat(String.format(" %d", minutes))
.concat(" minutes");
131
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132. buttonDoctor.setOnAction(e -> {
labelDoctorTsade.setText(patientsDrTsade);
labelDoctorKuf.setText(patientsDrKuf);
labelDoctorReish.setText(patientsDrReish);
labelTimeAtWork.setText(timeAtWork);
labelSignOutTime.setText(signOut.toString());
} ); } }
132
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133. 133
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134. 134
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135. Major components
 Introduction
 Airline App
 Health Centre App
• Real Estate App
• Conclusion
135
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136. Lecture 15: Real estate - Design
Problem statement:
Design the graphical user interface of a Real
Estate App
136
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137. 137
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138. 138
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139. 139
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140. Lecture 16: Real estate App - Style
Problem statement:
Add style to the design of the Real Estate App
140
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141. Lecture 16: Real estate App - Style
.mainContainer {
-fx-background-color: linear-gradient(gold, lemochiffon, gold);
}
.labelsPrimary {
-fx-font-family: "Century Gothic";
-fx-font-size: 17;
-fx-font-weight: bold;
}
141
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142. .labelsSecondary, .checkBox, .radioButtons {
-fx-font-family: "Century Gothic";
-fx-font-size: 16;
}
142
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143. .labelOutput {
-fx-background-color: white;
-fx-font-family: "Century Gothic";
-fx-font-size: 13;
-fx-text-fill: black;
-fx-font-weight: bold;
}
143
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144. .buttons {
-fx-background-color: orange;
-fx-background-radius: 50;
-fx-font-family: "Century Gothic";
-fx-font-size: 16;
-fx-text-fill: black;
-fx-font-weight: bold;
}
144
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145. 145
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146. 146
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147. 147
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148. Lecture 17: Real estate – Code 1
Problem statement:
Implement code to generate an
advertisement
148
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149. Lecture 17: Real estate – Code 1
package javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
149
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150. public class RealEstateApp extends Application {
@Override public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource(“RealEstateViews.fxml"));
primaryStage.setTitle("JavaFX Real Estate App");
primaryStage.setScene(new Scene(root));
primaryStage.setResizable(false);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
150
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151. Lecture 17: Real estate – Code 1
package javafx;
import javafx.beans.binding.StringBinding;
import javafx.beans.binding.StringExpression;
import javafx.beans.binding.When;
import javafx.beans.property.*;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.collections.transformation.FilteredList;
import javafx.fxml.FXML;
import javafx.scene.control.*;
import java.util.Optional;
151
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152. public class RealEstateController {
@FXML private TextField textFieldMarketValue;
@FXML private TextField textFieldSellingPrice;
@FXML private TextField textFieldNumberOfBedrooms;
@FXML private TextField textFieldNumberOfBathrooms;
@FXML private CheckBox checkBoxSwimmingPool;
@FXML private Button buttonAdvertisement;
@FXML private TextArea textAreaAdvertisement;
152
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153. @FXML public void advertisementButtonClick() {
StringProperty advert = new SimpleStringProperty("nHOUSE
FOR SALE:");
StringBinding swimmingPool = new When
(checkBoxSwimmingPool.selectedProperty())
.then("Swimming Pool")
.otherwise("");
153
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154. int marketValue =
Integer.parseInt(textFieldMarketValue.getText());
int sellingPrice =
Integer.parseInt(textFieldSellingPrice.getText());
int numberOfBedrooms =
Integer.parseInt(textFieldNumberOfBedrooms.getText());
int numberOfBathrooms =
Integer.parseInt(textFieldNumberOfBathrooms.getText());
String bargain = (sellingPrice < marketValue) ? "Bargain" : "";
154
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155. StringExpression advertisementDetails = advert
.concat("nSelling Price: $")
.concat(String.format("%d",sellingPrice))
.concat("nBedrooms: ")
.concat(String.format("%d", numberOfBedrooms))
.concat("nBathrooms: ")
.concat(String.format("%d", numberOfBathrooms))
.concat("n")
.concat(swimmingPool)
.concat("n")
.concat(bargain);
155
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156. buttonAdvertisement.setOnAction(e ->
textAreaAdvertisement.setText(advertisementDetails.getValue()));
}
}
156
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157. 157
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158. 158
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159. 159
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160. Lecture 18: Real estate – Code 2
Problem statement:
Implement code to process renovations to
the living room
160
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161. Lecture 18: Real estate – Code 2
package javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
161
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162. public class RealEstateApp extends Application {
@Override public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource(“RealEstateViews.fxml"));
primaryStage.setTitle("JavaFX Real Estate App");
primaryStage.setScene(new Scene(root));
primaryStage.setResizable(false);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
162
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163. Lecture 18: Real estate – Code 2
package javafx;
import javafx.beans.binding.StringBinding;
import javafx.beans.binding.StringExpression;
import javafx.beans.binding.When;
import javafx.beans.property.*;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.collections.transformation.FilteredList;
import javafx.fxml.FXML;
import javafx.scene.control.*;
import java.util.Optional;
163
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164. public class RealEstateController {
private static final double AREA_PER_LTR_PAINT = 8;
private static final double FIVE_LTR_COST = 18.70;
private static final double TWO_LTR_COST = 9.60;
private static final double ONE_LTR_COST = 5.45;
private static final int FIVE_LTR_DRUM = 5;
private static final int TWO_LTR_DRUM = 2;
private static final double TILE_BREAKAGES = 5;
164
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165. @FXML private TextField textFieldAreaToRenovate;
@FXML private RadioButton radioButtonPainting;
@FXML private RadioButton radioButtonTiling;
@FXML private Button buttonRenovationsCost;
@FXML private TextArea textAreaRenovationsCost;
165
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166. @FXML private void renovationsButtonClick() {
ToggleGroup toggleGroup = new ToggleGroup();
radioButtonPainting.setToggleGroup(toggleGroup);
radioButtonTiling.setToggleGroup(toggleGroup);
double areaToRenovate =
Double.parseDouble(textFieldAreaToRenovate.getText());
double volumeOfPaint = areaToRenovate /
AREA_PER_LTR_PAINT;
166
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167. int numberOfFiveLtrDrums = (int) volumeOfPaint /
FIVE_LTR_DRUM;
int numberOfTwoLtrDrums = (int)
Math.round((volumeOfPaint - (numberOfFiveLtrDrums *
FIVE_LTR_DRUM))) / 2;
int numberOfOneLtrDrums = (int) Math.round(volumeOfPaint
- (numberOfFiveLtrDrums * FIVE_LTR_DRUM) -
(numberOfTwoLtrDrums * TWO_LTR_DRUM));
167
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168. double costOfPaint = (numberOfFiveLtrDrums *
FIVE_LTR_COST)
+ (numberOfTwoLtrDrums * TWO_LTR_COST)
+ (numberOfOneLtrDrums * ONE_LTR_COST);
double tileCostPerSqMetre = 0;
double costOfTiles;
168
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169. if
(toggleGroup.getSelectedToggle().equals(radioButtonPainting
)) {
String paintingDetails = "nAREA TO PAINT:"
.concat(String.format("n%.0f", areaToRenovate))
.concat(" square metres")
.concat("nnVolume of paint required: ")
.concat(String.format("%.1f", volumeOfPaint))
.concat(" litres")
169
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170. .concat("n1-litre drums: ")
.concat(String.format("%d", numberOfOneLtrDrums))
.concat("n2-litre drums: ")
.concat(String.format("%d", numberOfTwoLtrDrums))
.concat("n5-litre drums: ")
.concat(String.format("%d", numberOfFiveLtrDrums))
.concat("nnTotal cost: $")
.concat(String.format("%.2f", costOfPaint));
170
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171. buttonRenovationsCost.setOnAction(e ->
textAreaRenovationsCost.setText(paintingDetails));
171
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172. } else {
TextInputDialog input = new TextInputDialog();
input.setTitle("");
input.setHeaderText("");
input.setContentText("Enter tiling cost per square metre");
input.showAndWait()
.ifPresent(str -> tileCostPerSqMetre[0] =
Double.parseDouble(str));
172
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173. costOfTiles = (areaToRenovate + TILE_BREAKAGES) * tileCostPerSqMetre[0];
String tilingDetails = "nAREA TO TILE:"
.concat(String.format("n%.0f", areaToRenovate))
.concat(" square metres")
.concat("nTotal cost: $")
.concat(String.format("%.2f",costOfTiles));
buttonRenovationsCost.setOnAction(e ->
textAreaRenovationsCost.setText(tilingDetails));
} } }
173
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174. 174
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175. 175
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176. 176
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177. Lecture 19: Real estate – Code 3
Problem statement:
Implement code to calculate the electricity
amount payable
177
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178. Lecture 19: Real estate – Code 3
package javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
178
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179. public class RealEstateApp extends Application {
@Override public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource(“RealEstateViews.fxml"));
primaryStage.setTitle("JavaFX Real Estate App");
primaryStage.setScene(new Scene(root));
primaryStage.setResizable(false);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
179
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180. Lecture 19: Real estate – Code 3
package javafx;
import javafx.beans.binding.StringBinding;
import javafx.beans.binding.StringExpression;
import javafx.beans.binding.When;
import javafx.beans.property.*;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.collections.transformation.FilteredList;
import javafx.fxml.FXML;
import javafx.scene.control.*;
import java.util.Optional;
180
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181. public class RealEstateController {
private static final int ELECTRICITY_LOWER_LIMIT_UNITS =
600;
private static final int
ELECTRICITY_LOWER_LIMIT_AMOUNT = 50;
private static final double ELECTRICITY_LOWER_TARIFF =
0.10;
private static final double ELECTRICITY_UPPER_TARIFF =
0.15;
181
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182. @FXML private TextField textFieldPreviousReading;
@FXML private TextField textFieldCurrentReading;
@FXML private Label labelElectricity;
@FXML private Button buttonElectricityAmount;
182
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183. @FXML private void electricityButtonClick() {
int previousReading =
Integer.parseInt(textFieldPreviousReading.getText());
int currentReading =
Integer.parseInt(textFieldCurrentReading.getText());
double amountDue;
183
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184. if (currentReading <= previousReading) {
Alert alert = new Alert(Alert.AlertType.ERROR,
"Enter current reading greater than previous reading");
alert.setTitle("");
alert.setHeaderText("");
alert.showAndWait();
textFieldCurrentReading.setText("");
184
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185. } else {
if ((currentReading - previousReading) <= ELECTRICITY_LOWER_LIMIT_UNITS) {
amountDue = (currentReading - previousReading) *
ELECTRICITY_LOWER_TARIFF;
} else {
amountDue = (ELECTRICITY_LOWER_LIMIT_AMOUNT +
(currentReading - (previousReading + ELECTRICITY_LOWER_LIMIT_UNITS))
* ELECTRICITY_UPPER_TARIFF);
}
String amount = " $".concat(String.format("%.2f", amountDue));
buttonElectricityAmount.setOnAction(e -> labelElectricity.setText(amount)); } } }
185
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186. 186
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187. 187
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188. 188
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189. Lecture 20: Real estate – Code 4
Problem statement:
Implement code to display the size of geyser
matching the user input
189
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190. Lecture 20: Real estate – Code 4
package javafx;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
190
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191. public class RealEstateApp extends Application {
@Override public void start(Stage primaryStage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource(“RealEstateViews.fxml"));
primaryStage.setTitle("JavaFX Real Estate App");
primaryStage.setScene(new Scene(root));
primaryStage.setResizable(false);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
191
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192. Lecture 20: Real estate – Code 4
package javafx;
import javafx.beans.binding.StringBinding;
import javafx.beans.binding.StringExpression;
import javafx.beans.binding.When;
import javafx.beans.property.*;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.collections.transformation.FilteredList;
import javafx.fxml.FXML;
import javafx.scene.control.*;
import java.util.Optional;
192
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193. public class RealEstateController {
private static final ObservableList<String> solarGeysers =
FXCollections.observableArrayList(
"50-BetSolar", "50-GimmelWonder", "50-DaletSun",
"100-BetSolar", "100-GimmelWonder", "100-DaletSun",
"150-BetSolar", "150-GimmelWonder", "150-DaletSun");
193
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194. @FXML private TextField textFieldGeyser;
@FXML private TextArea textAreaGeyser;
@FXML private Button buttonGeyser;
194
Marius Claassen,
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195. @FXML private void geyserButtonClick() {
int geyserSize =
Integer.parseInt(textFieldGeyser.getText());
FilteredList<String> geyserList;
195
Marius Claassen,
Build 3 JavaFX Apps

196. if (geyserSize == 50) {
geyserList = solarGeysers.filtered(g ->
g.startsWith("50"));
} else if (geyserSize == 100) {
geyserList = solarGeysers.filtered(g ->
g.startsWith("100"));
} else {
geyserList = solarGeysers.filtered(g ->
g.startsWith("150"));
}
196
Marius Claassen,
Build 3 JavaFX Apps

197. FilteredList<String> finalGeyserList = geyserList;
buttonGeyser.setOnAction(e -> textAreaGeyser.setText(
String.format("%s", finalGeyserList)));
}
}
197
Marius Claassen,
Build 3 JavaFX Apps

198. 198
Marius Claassen,
Build 3 JavaFX Apps

199. 199
Marius Claassen,
Build 3 JavaFX Apps

200. To access this course:
• https://www.udemy.com/course/1474854/manage/basics/
or
• mariusclaassen@gmail.com
200
Marius Claassen,
Build 3 JavaFX Apps

201. Build 3 JavaFX Apps
Real-world, modern-looking GUIs with JavaFX
Marius Claassen,
Build 3 JavaFX Apps