@Override protected Component getChart() { Chart chart = new Chart(); Configuration config = chart.getConfiguration(); config.getChart().setType(ChartType.HEATMAP); config.getChart().setMarginTop(40); config.getChart().setMarginBottom(40); config.getTitle().setText("Sales per employee per weekday"); config .getxAxis() .setCategories( "Marta", "Mysia", "Misiek", "Maniek", "Miki", "Guillermo", "Jonatan", "Zdzisław", "Antoni", "Zygmunt"); config.getyAxis().setCategories("Monday", "Tuesday", "Wednesday", "Thursday", "Friday"); config.getColorAxis().setMin(0); config.getColorAxis().setMinColor(SolidColor.WHITE); config.getColorAxis().setMaxColor(getThemeColors()[0]); config.getLegend().setLayout(LayoutDirection.VERTICAL); config.getLegend().setAlign(HorizontalAlign.RIGHT); config.getLegend().setMargin(0); config.getLegend().setVerticalAlign(VerticalAlign.TOP); config.getLegend().setY(25); config.getLegend().setSymbolHeight(320); HeatSeries rs = new HeatSeries("Sales per employee", getRawData()); PlotOptionsHeatmap plotOptionsHeatmap = new PlotOptionsHeatmap(); plotOptionsHeatmap.setDataLabels(new DataLabels()); plotOptionsHeatmap.getDataLabels().setEnabled(true); SeriesTooltip tooltip = new SeriesTooltip(); tooltip.setHeaderFormat("{series.name}<br/>"); tooltip.setPointFormat("Amount: <b>{point.value}</b> "); plotOptionsHeatmap.setTooltip(tooltip); config.setPlotOptions(plotOptionsHeatmap); config.setSeries(rs); chart.drawChart(config); return chart; }