適切なノードを検索し、必要なイベントハンドラーをノードに追加します。
これが例です。
import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.*;
import javafx.scene.chart.*;
import javafx.scene.effect.Glow;
import javafx.scene.input.MouseEvent;
import javafx.scene.shape.Path;
import javafx.stage.Stage;
public class LineChartSample extends Application {
@Override public void start(Stage stage) {
//create the chart
final NumberAxis xAxis = new NumberAxis();
final NumberAxis yAxis = new NumberAxis();
xAxis.setLabel("Number of Month");
final LineChart<Number, Number> lineChart = new LineChart<>(xAxis, yAxis);
lineChart.setTitle("Stock Monitoring, 2010");
XYChart.Series series = new XYChart.Series();
series.setName("My portfolio");
series.getData().addAll(new XYChart.Data(1, 23),new XYChart.Data(2, 14),new XYChart.Data(3, 15),new XYChart.Data(4, 24),new XYChart.Data(5, 34),new XYChart.Data(6, 36),new XYChart.Data(7, 22),new XYChart.Data(8, 45),new XYChart.Data(9, 43),new XYChart.Data(10, 17),new XYChart.Data(11, 29),new XYChart.Data(12, 25));
lineChart.getData().add(series);
// show the scene.
Scene scene = new Scene(lineChart, 800, 600);
stage.setScene(scene);
stage.show();
// make the first series in the chart glow when you mouse over it.
Node n = lineChart.lookup(".chart-series-line.series0");
if (n != null && n instanceof Path) {
final Path path = (Path) n;
final Glow glow = new Glow(.8);
path.setEffect(null);
path.setOnMouseEntered(new EventHandler<MouseEvent>() {
@Override public void handle(MouseEvent e) {
path.setEffect(glow);
}
});
path.setOnMouseExited(new EventHandler<MouseEvent>() {
@Override public void handle(MouseEvent e) {
path.setEffect(null);
}
});
}
}
public static void main(String[] args) { launch(args); }
}