UI Control Sample | JavaFX Tutorials and Documentation

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/*
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package radiobuttonsample;
import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.geometry.Insets;
import javafx.scene.*;
import javafx.scene.control.*;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class RadioButtonSample extends Application {
 final ImageView icon = new ImageView();
 
 public static void main(String[] args) {
 launch(args);
 }
 @Override
 public void start(Stage stage) {
 Scene scene = new Scene(new Group());
 stage.setTitle("Radio Button Sample");
 stage.setWidth(250);
 stage.setHeight(150);
 final ToggleGroup group = new ToggleGroup();
 RadioButton rb1 = new RadioButton("Home");
 rb1.setToggleGroup(group);
 rb1.setUserData("Home");
 RadioButton rb2 = new RadioButton("Calendar");
 rb2.setToggleGroup(group);
 rb2.setUserData("Calendar");
 RadioButton rb3 = new RadioButton("Contacts");
 rb3.setToggleGroup(group);
 rb3.setUserData("Contacts");
 group.selectedToggleProperty().addListener(new ChangeListener<Toggle>(){
 public void changed(ObservableValue<? extends Toggle> ov,
 Toggle old_toggle, Toggle new_toggle) {
 if (group.getSelectedToggle() != null) {
 final Image image = new Image(
 getClass().getResourceAsStream(
 group.getSelectedToggle().getUserData().toString() + 
 ".jpg"));
 icon.setImage(image);
 } 
 }
 });
 HBox hbox = new HBox();
 VBox vbox = new VBox();
 vbox.getChildren().add(rb1);
 vbox.getChildren().add(rb2);
 vbox.getChildren().add(rb3);
 vbox.setSpacing(10);
 hbox.getChildren().add(vbox);
 hbox.getChildren().add(icon);
 hbox.setSpacing(50);
 hbox.setPadding(new Insets(20, 10, 10, 20));
 ((Group) scene.getRoot()).getChildren().add(hbox);
 stage.setScene(scene);
 stage.show(); 
 }
}