import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.geometry.NodeOrientation;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.chart.PieChart;
import javafx.scene.control.CheckBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class PieChartApp extends Application {

    private PieChart chart;

    public static ObservableList<PieChart.Data> generateData() {
        return 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", 21));
    }

    public Parent createContent() {
        VBox root = new VBox();
        CheckBox rtlCheckBox = new CheckBox("Right to Left");
        rtlCheckBox.setSelected(true);
        rtlCheckBox.selectedProperty().addListener((o, oldValue, newValue)
                -> chart.setNodeOrientation(newValue ? NodeOrientation.RIGHT_TO_LEFT : NodeOrientation.INHERIT));

        chart = new PieChart(generateData());
        chart.setNodeOrientation(NodeOrientation.RIGHT_TO_LEFT);
        root.getChildren().addAll(rtlCheckBox, chart);
        return root;
    }

    @Override
    public void start(Stage primaryStage) throws Exception {
        primaryStage.setScene(new Scene(createContent()));
        primaryStage.setTitle("PieChart Test (" + System.getProperty("javafx.runtime.version") + ")");
        primaryStage.show();
    }

    /**
     * Java main for when running without JavaFX launcher
     *
     * @param args command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }
}