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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