JavaFX Tutorial - Java ToggleButton .setSelected (boolean value)

Syntax

ToggleButton.setSelected(boolean value) has the following syntax.

public final void setSelected(boolean value)

Example

In the following code shows how to use ToggleButton.setSelected(boolean value) method.

import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.Toggle;
import javafx.scene.control.ToggleButton;
import javafx.scene.control.ToggleGroup;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.HBox;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
//from w ww.j a  v a 2 s  . co m
public class Main extends Application {
  public static void main(String[] args) {
    launch(args);
  }

  @Override
  public void start(Stage stage) {
    Scene scene = new Scene(new Group());
    stage.setTitle("Toggle Button Sample");
    stage.setWidth(250);
    stage.setHeight(180);

    final ToggleGroup group = new ToggleGroup();

    group.selectedToggleProperty().addListener(new ChangeListener<Toggle>() {
      public void changed(ObservableValue<? extends Toggle> ov, Toggle toggle,Toggle new_toggle) {
          System.out.println((Color) group.getSelectedToggle().getUserData());
      }
    });
    Node rootIcon =  new ImageView(new Image(getClass().getResourceAsStream("root.png")));
    ToggleButton tb1 = new ToggleButton("A",rootIcon);
    tb1.setSelected(true);
    
    tb1.setToggleGroup(group);
    tb1.setUserData(Color.LIGHTGREEN);
    tb1.setSelected(true);


    ToggleButton tb2 = new ToggleButton("B");
    tb2.setToggleGroup(group);
    tb2.setUserData(Color.LIGHTBLUE);
    ToggleButton tb3 = new ToggleButton("C");
    tb3.setToggleGroup(group);
    tb3.setUserData(Color.SALMON);
    

    HBox hbox = new HBox();

    hbox.getChildren().add(tb1);
    hbox.getChildren().add(tb2);
    hbox.getChildren().add(tb3);

    ((Group) scene.getRoot()).getChildren().add(hbox);
    stage.setScene(scene);
    stage.show();
  }
}