JavaFX 2 ListView

JavaFX 2 ListView

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.ListView;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.VBox;

import javafx.stage.Stage;
/**
 *
 * @author zoranpavlovic.blogspot.com 
 */
public class ListViewMain extends Application {
	/**
	 * @param args the command line arguments
	 */
	VBox vb = new VBox();
	Label lbl = new Label();
	ListView<String> list = new ListView<>();
	ObservableList<String> data =FXCollections.observableArrayList (
			"List index 0",
			"List index 1",
			"List index 2",
			"List index 3");

	public static void main(String[] args) {
		Application.launch(args);
	}
	@Override
	public void start(Stage primaryStage) {
		primaryStage.setTitle("JavaFX 2.0 ListView");

		//Adding data to ListView
		list.setItems(data);

		//Actions on clicked list item
		initActions();

		//Adding BorderPane to the scene
		vb.getChildren().addAll(list, lbl);
		Scene scene = new Scene(vb,300,200);
		primaryStage.setScene(scene);
		primaryStage.show();
	}

	public void initActions(){
		//Detecting mouse clicked
		list.setOnMouseClicked(new EventHandler<MouseEvent>(){
			@Override
			public void handle(MouseEvent arg0) {
				//Check wich list index is selected then set txtContent value for that index 
				if(list.getSelectionModel().getSelectedIndex() == 0){
					lbl.setText("Selected index: 0");				 
				}

				else if(list.getSelectionModel().getSelectedIndex() == 1){
					lbl.setText("Selected index: 1");	

				}

				else if(list.getSelectionModel().getSelectedIndex() == 2){
					lbl.setText("Selected index: 2");	
				}

				else if(list.getSelectionModel().getSelectedIndex() == 3){
					lbl.setText("Selected index: 3");
				}
										 
			}

		});
	}
}