docs: @Override protected void initGraphics() {
          super.initGraphics();
  
          radarChart = new RadarChart(tile.getChartData());
          radarChart.setMaxValue(tile.getMaxValue());
          radarChart.setUnit(tile.getUnit());
          radarChart.setLegendVisible(true);
          radarChart.setThresholdVisible(tile.isThresholdVisible());
          radarChart.setMode(tile.getRadarChartMode());
          radarChart.setGridColor(tile.getChartGridColor());
          radarChart.setChartTextColor(tile.getTextColor());
          radarChart.setThresholdColor(tile.getThresholdColor());
          radarChart.setGradientStops(tile.getGradientStops());
  
          chartEventListener = e -> radarChart.redraw();
          tile.getChartData().forEach(chartData -> chartData.addChartDataEventListener(chartEventListener));
  
          chartDataListener  = c -> {
              while (c.next()) {
                  if (c.wasAdded()) {
                      c.getAddedSubList().forEach(addedItem -> addedItem.addChartDataEventListener(chartEventListener));
                  } else if (c.wasRemoved()) {
                      c.getRemoved().forEach(removedItem -> removedItem.removeChartDataEventListener(chartEventListener));
                  }
              }
              radarChart.redraw();
          };
  
          titleText = new Text();
          titleText.setFill(tile.getTitleColor());
          Helper.enableNode(titleText, !tile.getTitle().isEmpty());
  
          text = new Text(tile.getText());
          text.setFill(tile.getTextColor());
          Helper.enableNode(text, tile.isTextVisible());
  
          getPane().getChildren().addAll(titleText, radarChart, text);
      }