作爲參考,類似的方法可用於在JavaFX中的JFreeChart
,如here所示。改編自此example,下面的變化將添加到ChartViewer
。點擊一個系列或其圖例項目使一系列不可見;點擊其他任何地方以恢復它。
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.stage.Stage;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.entity.ChartEntity;
import org.jfree.chart.entity.LegendItemEntity;
import org.jfree.chart.entity.XYItemEntity;
import org.jfree.chart.fx.ChartViewer;
import org.jfree.chart.fx.interaction.ChartMouseEventFX;
import org.jfree.chart.fx.interaction.ChartMouseListenerFX;
import org.jfree.chart.labels.StandardXYToolTipGenerator;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
/**
* @see https://stackoverflow.com/a/44967809/230513
* @see https://stackoverflow.com/a/43286042/230513
*/
public class VisibleTest extends Application {
@Override
public void start(Stage stage) {
XYSeriesCollection dataset = new XYSeriesCollection();
for (int i = 0; i < 3; i++) {
XYSeries series = new XYSeries("value" + i);
for (double t = 0; t < 2 * Math.PI; t += 0.5) {
series.add(t, Math.sin(t) + i);
}
dataset.addSeries(series);
}
NumberAxis xAxis = new NumberAxis("domain");
NumberAxis yAxis = new NumberAxis("range");
XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, true);
renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
JFreeChart chart = new JFreeChart("Test", plot);
ChartViewer viewer = new ChartViewer(chart);
viewer.addChartMouseListener(new ChartMouseListenerFX() {
@Override
public void chartMouseClicked(ChartMouseEventFX e) {
ChartEntity ce = e.getEntity();
if (ce instanceof XYItemEntity) {
XYItemEntity item = (XYItemEntity) ce;
renderer.setSeriesVisible(item.getSeriesIndex(), false);
} else if (ce instanceof LegendItemEntity) {
LegendItemEntity item = (LegendItemEntity) ce;
Comparable key = item.getSeriesKey();
renderer.setSeriesVisible(dataset.getSeriesIndex(key), false);
} else {
for (int i = 0; i < dataset.getSeriesCount(); i++) {
renderer.setSeriesVisible(i, true);
}
}
}
@Override
public void chartMouseMoved(ChartMouseEventFX e) {}
});
stage.setScene(new Scene(viewer));
stage.setTitle("JFreeChartFX");
stage.setWidth(640);
stage.setHeight(480);
stage.show();
}
public static void main(String[] args) {
launch(args);
}
}
據我所知,沒有內置的方法,但我有一個工作迂迴的解決方案,我會看看我是否可以挖掘併發布它。 – Itai
@sillyfly那會很棒 – Daniel