public void createChart(
DataModel<String, Long> data, String label, String title, String axisX, String axisY) {
if (data == null) {
MetaUtils.setMsg("No data to display", FacesMessage.SEVERITY_INFO);
return;
}
barModel = init(data, label);
barModel.setTitle(title);
barModel.setLegendPosition("ne");
Axis xAxis = barModel.getAxis(AxisType.X);
xAxis.setLabel(axisX);
Axis yAxis = barModel.getAxis(AxisType.Y);
yAxis.setLabel(axisY);
yAxis.setMin(0);
long max = 0;
for (DataPoint<String, Long> p : data.getPoints()) {
max = Math.max(max, p.getY());
}
yAxis.setMax(max);
}
private BarChartModel init(DataModel<String, Long> data, String label) {
barModel = new BarChartModel();
ChartSeries series = new ChartSeries();
series.setLabel(label);
for (DataPoint<String, Long> p : data.getPoints()) {
series.set(p.getX(), p.getY());
}
barModel.addSeries(series);
return barModel;
}
