本文介绍了如何在Java代码中使用javafx更改ScatterChart的点颜色?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
尽我所能
Set<Node> nodes = lineChart.lookupAll(".series" + index);
for (Node n : nodes) {
n.setStyle("...css style code...");
}
对于LineChart,我该如何对ScatterChart做同样的事情?
for LineChart, how can I do the same for ScatterChart?
推荐答案
Here is an MCVE of node/color change. Code from here.
import java.util.Set;
import javafx.application.Application;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.ScatterChart;
import javafx.scene.chart.XYChart;
import javafx.stage.Stage;
public class ScatterChartSample extends Application
{
@Override
public void start(Stage stage)
{
stage.setTitle("Scatter Chart Sample");
final NumberAxis xAxis = new NumberAxis(0, 10, 1);
final NumberAxis yAxis = new NumberAxis(-100, 500, 100);
final ScatterChart<Number, Number> sc = new ScatterChart<Number, Number>(xAxis, yAxis);
xAxis.setLabel("Age (years)");
yAxis.setLabel("Returns to date");
sc.setTitle("Investment Overview");
XYChart.Series series1 = new XYChart.Series();
series1.setName("Equities");
series1.getData().add(new XYChart.Data(4.2, 193.2));
series1.getData().add(new XYChart.Data(2.8, 33.6));
series1.getData().add(new XYChart.Data(6.2, 24.8));
series1.getData().add(new XYChart.Data(1, 14));
series1.getData().add(new XYChart.Data(1.2, 26.4));
series1.getData().add(new XYChart.Data(4.4, 114.4));
series1.getData().add(new XYChart.Data(8.5, 323));
series1.getData().add(new XYChart.Data(6.9, 289.8));
series1.getData().add(new XYChart.Data(9.9, 287.1));
series1.getData().add(new XYChart.Data(0.9, -9));
series1.getData().add(new XYChart.Data(3.2, 150.8));
series1.getData().add(new XYChart.Data(4.8, 20.8));
series1.getData().add(new XYChart.Data(7.3, -42.3));
series1.getData().add(new XYChart.Data(1.8, 81.4));
series1.getData().add(new XYChart.Data(7.3, 110.3));
series1.getData().add(new XYChart.Data(2.7, 41.2));
XYChart.Series series2 = new XYChart.Series();
series2.setName("Mutual funds");
series2.getData().add(new XYChart.Data(5.2, 229.2));
series2.getData().add(new XYChart.Data(2.4, 37.6));
series2.getData().add(new XYChart.Data(3.2, 49.8));
series2.getData().add(new XYChart.Data(1.8, 134));
series2.getData().add(new XYChart.Data(3.2, 236.2));
series2.getData().add(new XYChart.Data(7.4, 114.1));
series2.getData().add(new XYChart.Data(3.5, 323));
series2.getData().add(new XYChart.Data(9.3, 29.9));
series2.getData().add(new XYChart.Data(8.1, 287.4));
sc.getData().addAll(series1, series2);
Scene scene = new Scene(sc, 500, 400);
stage.setScene(scene);
stage.show();
Set<Node> nodes = sc.lookupAll(".series" + 0);
for (Node n : nodes) {
n.setStyle("-fx-background-color: #860061, white;\n"
+ " -fx-background-insets: 0, 2;\n"
+ " -fx-background-radius: 5px;\n"
+ " -fx-padding: 5px;");
}
}
public static void main(String[] args)
{
launch(args);
}
}
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