private async Task GenerateUserChangeChart()
{
// Breaks the method into an async method so it can work in peace and be awaited.
await Task.Delay(1).ConfigureAwait(false);
// TODO: Add locking to this collection. As it grows, it will start to crash while generating the chart.
var data =
Data.UserChangeStats.
ToList().
OrderBy(x => x.Second).
GroupBy(x => x.Name).
Select(x => new
{
x.Key,
Points = x.Select(y => new DataPoint(y.Second, Math.Max(0.1, y.Value))).ToList(),
}).
ToList();
List <LineSeries> allSeries = new List <LineSeries>();
foreach (var singleSeries in data)
{
LineSeries series = new LineSeries {
Title = singleSeries.Key,
};
series.Points.AddRange(singleSeries.Points);
allSeries.Add(series);
}
// This (partially?)fixes an issue where adding a lot of series will cause exceptions when refreshing the
// chart. Locking on the sync root will allow us exclusive access to quickly update the charts data without
// crossing the charts internal operations. It must be kept short though.
lock (UserChangesPlot.SyncRoot)
{
UserChangesPlot.Series.Clear();
foreach (LineSeries series in allSeries)
{
UserChangesPlot.Series.Add(series);
}
}
UserChangesPlot.InvalidatePlot(true);
}
private void ResetUserChangesPlotButton_ClickHandler(object sender, RoutedEventArgs e)
{
UserChangesPlot.ResetAllAxes();
}
