public async Task RefreshChartData()
{
IEnumerable <DashboardChartData> newDatas = await GenerateChartDatas.Invoke();
await Chart.Clear();
await Chart.AddLabels(newDatas.Select(x => x.Label).ToArray());
List <string> colors = new List <string>();
for (int i = 0; i < newDatas.Count(); i++)
{
string lineColor = PointColorGenerator?.Invoke(i);
if (!string.IsNullOrWhiteSpace(lineColor))
{
colors.Add(lineColor);
}
else
{
colors.Add(DEFAULT_POINT_COLOR);
}
}
LineChartDataset <DashboardChartDatasetYValue> newChartDataset = new LineChartDataset <DashboardChartDatasetYValue>()
{
Data = newDatas.Select(x => new DashboardChartDatasetYValue()
{
Y = x.Value, DataId = x.DataId
}).ToList(),
Fill = true,
BackgroundColor = DEFAULT_FILL_COLOR,
PointBackgroundColor = colors,
PointBorderColor = colors,
PointRadius = 3.5f
};
CurrentDataset = newChartDataset;
await Chart.AddDataSet(newChartDataset);
await Chart.Update();
}