import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.scene.Scene;
import javafx.scene.chart.LineChart;
import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.PieChart;
import javafx.scene.chart.XYChart;
import javafx.scene.control.TextField;
import javafx.scene.layout.HBoxBuilder;
import javafx.stage.Stage;


public class TestPieChartDataNameUpdate extends Application {

    @Override
    public void start(Stage stage) throws Exception {
        PieChart chart = new PieChart();
        PieChart.Data data = new PieChart.Data("Initial name",1);
        chart.getData().add(data);
        TextField textField = new TextField();

        textField.textProperty().bindBidirectional(data.nameProperty());

        LineChart lineChart = new LineChart(new NumberAxis(),new NumberAxis());
        LineChart.Data lineData = new LineChart.Data(1,1);

        XYChart.Series serie = new XYChart.Series("Initial name", FXCollections.observableArrayList(lineData));

        lineChart.getData().add(serie);

        TextField lineTextField = new TextField();
        lineTextField.textProperty().bindBidirectional(serie.nameProperty());

        stage.setScene(new Scene(HBoxBuilder.create().children(chart, textField,lineChart,lineTextField).build()));
        stage.show();
    }

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