GTU OOP Program - 20

20). Write a GUI program that use button to move the message to the left and right and use the radio button to change the color for the message displayed. 

import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.control.Button;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Pane;
import javafx.scene.layout.BorderPane;
import javafx.scene.text.Text;
import javafx.scene.control.RadioButton;
import javafx.scene.control.ToggleGroup;
import javafx.scene.paint.Color;

public class Program_20 extends Application {
    protected Text text = new Text(50, 50, "Learning JavaFX is exciting");

    @Override // Override the stage method in the Application class
    public void start(Stage primaryStage) {
        HBox paneForButtons = new HBox(20);
        Button btLeft = new Button("<=");
        Button btRight = new Button("=>");
        paneForButtons.getChildren().addAll(btLeft, btRight);
        paneForButtons.setAlignment(Pos.CENTER);
        BorderPane pane = new BorderPane();

        pane.setBottom(paneForButtons);
        pane.setPadding(new Insets(10, 20, 10, 20));

        HBox paneForRadioButtons = new HBox(20);
        RadioButton rbRed = new RadioButton("Red");
        RadioButton rbYellow = new RadioButton("Yellow");
        RadioButton rbBlack = new RadioButton("Black");
        RadioButton rbOrange = new RadioButton("Orange");
        RadioButton rbGreen = new RadioButton("Green");
        RadioButton rbBlue = new RadioButton("Blue");
        paneForRadioButtons.getChildren().addAll(rbRed, rbYellow, rbBlack, rbOrange, rbGreen, rbBlue);

        ToggleGroup group = new ToggleGroup();
        rbRed.setToggleGroup(group);
        rbYellow.setToggleGroup(group);
        rbBlack.setToggleGroup(group);
        rbOrange.setToggleGroup(group);
        rbGreen.setToggleGroup(group);
        rbBlue.setToggleGroup(group);

        Pane paneForText = new Pane();
        paneForText.getChildren().add(text);
        pane.setCenter(paneForText);
        pane.setTop(paneForRadioButtons);

        btLeft.setOnAction(e -> text.setX(text.getX() - 10));
        btRight.setOnAction(e -> text.setX(text.getX() + 10));

        rbRed.setOnAction(e -> {
            if (rbRed.isSelected()) {
                text.setFill(Color.RED);
            }
        });

        rbYellow.setOnAction(e -> {
            if (rbYellow.isSelected()) {
                text.setFill(Color.YELLOW);
            }
        });

        rbBlack.setOnAction(e -> {
            if (rbBlack.isSelected()) {
                text.setFill(Color.BLACK);
            }
        });

        rbOrange.setOnAction(e -> {
            if (rbOrange.isSelected()) {
                text.setFill(Color.ORANGE);
            }
        });

        rbGreen.setOnAction(e -> {
            if (rbGreen.isSelected()) {
                text.setFill(Color.GREEN);
            }
        });

        rbBlue.setOnAction(e -> {
            if (rbBlue.isSelected()) {
                text.setFill(Color.BLUE);
            }
        });

        // Create a scene and place it in the stage
        Scene scene = new Scene(pane, 450, 250);
        primaryStage.setTitle("Program-20"); // Set the stage title
        primaryStage.setScene(scene); // Place the scene in the stage
        primaryStage.show(); // Display the stage
    }
}
Output

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