Customize the program from Chapter 15. Make sure you include the changes you had made to the program in your Program Purpose and Customization.

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.layout.BorderPane; import javafx.scene.layout.HBox; import javafx.scene.layout.Pane; import javafx.scene.text.Text; import javafx.stage.Stage;

public class AnonymousHandlerDemo extends Application { @Override // Override the start method in the Application class public void start(Stage primaryStage) { Text text = new Text(40, 40, "Programming is fun"); Pane pane = new Pane(text); // Hold four buttons in an HBox Button btUp = new Button("Up"); Button btDown = new Button("Down"); Button btLeft = new Button("Left"); Button btRight = new Button("Right"); HBox hBox = new HBox(btUp, btDown, btLeft, btRight); hBox.setSpacing(10); hBox.setAlignment(Pos.CENTER); BorderPane borderPane = new BorderPane(pane); borderPane.setBottom(hBox); // Create and register the handler btUp.setOnAction(new EventHandler() { @Override // Override the handle method public void handle(ActionEvent e) { text.setY(text.getY() > 10 ? text.getY() - 5 : 10); } });

btDown.setOnAction(new EventHandler() { @Override // Override the handle method public void handle(ActionEvent e) { text.setY(text.getY() < pane.getHeight() ? text.getY() + 5 : pane.getHeight()); } }); btLeft.setOnAction(new EventHandler() { @Override // Override the handle method public void handle(ActionEvent e) { text.setX(text.getX() > 0 ? text.getX() - 5 : 0); } }); btRight.setOnAction(new EventHandler() { @Override // Override the handle method public void handle(ActionEvent e) { text.setX(text.getX() < pane.getWidth() - 100? text.getX() + 5 : pane.getWidth() - 100); } });

// Create a scene and place it in the stage Scene scene = new Scene(borderPane, 400, 350); primaryStage.setTitle("AnonymousHandlerDemo"); // Set title primaryStage.setScene(scene); // Place the scene in the stage primaryStage.show(); // Display the stage } /** * The main method is only needed for the IDE with limited * JavaFX support. Not needed for running from the command line. */ public static void main(String[] args) { launch(args); } }