package test;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ChoiceBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class RT_19820 extends Application {
    @Override
    public void start(Stage primaryStage) throws Exception {
        VBox root = new VBox();
        
        final ChoiceBox<String> choiceBox = new ChoiceBox<String>();
        choiceBox.getItems().add("One");
        choiceBox.getItems().add("Two");
        choiceBox.getItems().add("Three");
        choiceBox.getSelectionModel().select(0);        
        root.getChildren().add(choiceBox);
        
        Button updateButton = new Button("Update");
        updateButton.setOnAction(new EventHandler<ActionEvent>() {            
            @Override
            public void handle(ActionEvent event) {
                int i = choiceBox.getSelectionModel().getSelectedIndex();
                
                String s = choiceBox.getItems().get(i);
                choiceBox.getItems().set(i, "Updated " + s);
            }
        });
        
        root.getChildren().add(updateButton);

        primaryStage.setScene(new Scene(root));
        primaryStage.show();
    }
    
    public static void main(String[] args) {
        launch();
    }
}