package javaapplication35;

import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.scene.Scene;
import javafx.scene.control.ListView;
import javafx.scene.control.SelectionMode;
import javafx.stage.Stage;

public class JavaApplication35 extends Application {

    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage stage) throws Exception {
        ListView lv = new ListView();
        lv.getSelectionModel().setSelectionMode(SelectionMode.MULTIPLE);

        for (int i = 0; i < 100; i++) {
            lv.getItems().add(0);
        }
        lv.getFocusModel().focusedIndexProperty().addListener(new ChangeListener<Number>() {

            @Override
            public void changed(ObservableValue<? extends Number> ov, Number t, Number t1) {
                System.out.println("Focus : " + t1);
            }
        });

        stage.setScene(new Scene(lv, 100, 100));
        stage.show();
    }
}