JAVAFX BASICS - Introduction to Java Programming: Comprehensive Version - page 559

Listing 14.12 gives a program that demonstrates HBox and VBox . The program places two
buttons in an HBox and five labels in a VBox , as shown in Figure 14.24.

L ISTING 14.13

ShowHBoxVBox.java
1 import javafx.application.Application;
2 import javafx.geometry.Insets;
3 import javafx.scene.Scene;
4 import javafx.scene.control.Button;
5 import javafx.scene.control.Label;
6 import javafx.scene.layout.BorderPane;
7 import javafx.scene.layout.HBox;
8 import javafx.scene.layout.VBox;
9 import javafx.stage.Stage;
10 import javafx.scene.image.Image;
11 import javafx.scene.image.ImageView;
12
13 public class ShowHBoxVBox extends Application {
14 @Override // Override the start method in the Application class
15 public void start(Stage primaryStage) {

16 // Create a border pane

17 BorderPane pane = new BorderPane();

create a border pane

18
19 // Place nodes in the pane

20 pane.setTop(getHBox()); add an HBox to top

add a VBox to left 21 pane.setLeft(getVBox());

22
23 // Create a scene and place it in the stage
24 Scene scene = new Scene(pane);
25 primaryStage.setTitle( " ShowHBoxVBox " ); // Set the stage title
26 primaryStage.setScene(scene); // Place the scene in the stage
27 primaryStage.show(); // Display the stage
28 }
29
30 private HBox getHBox() {
31 HBox hBox = new HBox( 15 );
32 hBox.setPadding( new Insets( 15 , 15 , 15 , 15 ));
33 hBox.setStyle( " -fx-background-color: gold " );
34 hBox.getChildren().add( new Button( "Computer Science" ));
35 hBox.getChildren().add( new Button( "Chemistry" ));
36 ImageView imageView = new ImageView( new Image( "image/us.gif" ));
37

create a scene

display stage

getHBox

add buttons to HBox

hBox.getChildren().add(imageView);

38 return hBox;

return an HBox

39 }
40
41 private VBox getVBox() {
42 VBox vBox = new VBox( 15 );
43 vBox.setPadding( new Insets( 15 , 5 , 5 , 5 ));
44

getVBox

vBox.getChildren().add( new Label( "Courses" ));

add a label

45
46 Label[] courses = { new Label( "CSCI 1301" ), new Label( "CSCI 1302" ),
47 new Label( "CSCI 2410" ), new Label( "CSCI 3720" )};

48
49 for (Label course: courses) {
50 VBox.setMargin(course, new Insets( 0 , 0 , 0 , 15 ));
51

set margin
add a label

vBox.getChildren().add(course);

52 }
53
54 return vBox;

return vBox

55 }
56 }