import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.geometry.Side;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.chart.PieChart;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

import javafx.animation.Timeline;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;

public class CustomLegend1 extends Application {

	private void init(Stage primaryStage) {
		Group root = new Group();
		Scene scene = new Scene(root);
		primaryStage.setScene(scene);
		ObservableList<PieChart.Data> pieChartData = FXCollections.observableArrayList(new PieChart.Data("Sun", 20),
				new PieChart.Data("IBM", 12), new PieChart.Data("HP", 25), new PieChart.Data("Dell", 22),
				new PieChart.Data("Apple", 30));
		final Button customLegend = new Button("setLabelsVisible");
		
		final PieChart chart = new PieChart(pieChartData) {
			{
				setLegend(customLegend);
			}
		};
		customLegend.setOnAction(new EventHandler<ActionEvent>() {
                    @Override
                    public void handle(ActionEvent arg0) {
                        System.out.println("Change visible");
                        chart.setLabelsVisible(!chart.getLabelsVisible());
                    }
                });
		chart.setClockwise(false);
		chart.setTitle("Title");
		chart.setLegendSide(Side.RIGHT);

		VBox vBox = new VBox();
		vBox.getChildren().addAll(chart, customLegend);
		root.getChildren().add(vBox);
	}

	@Override
	public void start(Stage primaryStage) throws Exception {
		init(primaryStage);
		primaryStage.show();

	}

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