private void GlucoseOnPropertyChanged(object sender, PropertyChangedEventArgs args)
{
var glucose = (GlucoseItem)sender;
var oldPoint = glucose.GetDataPoint();
GlucoseDataPoints.Remove(oldPoint);
AddGlucoseDatapoint(glucose.GenerateDataPoint());
RaisePropertyChanged(() => GlucoseDataPoints);
}
private void GlucoseCollectionChanged(object sender, NotifyCollectionChangedEventArgs args)
{
switch (args.Action)
{
case NotifyCollectionChangedAction.Add:
foreach (GlucoseItem glucose in args.NewItems)
{
AddGlucoseDatapoint(glucose.GetDataPoint());
}
break;
case NotifyCollectionChangedAction.Remove:
foreach (GlucoseItem glucose in args.OldItems)
{
GlucoseDataPoints.Remove(glucose.GetDataPoint());
}
break;
case NotifyCollectionChangedAction.Replace:
int count = args.OldItems.Count;
for (int i = 0; i < count; i++)
{
var glucose = args.OldItems[i] as GlucoseItem;
if (!GlucoseDataPoints.Contains(glucose.GetDataPoint()))
{
throw new ValueUnavailableException("Datapoint is missing.");
}
GlucoseDataPoints.Remove(glucose.GetDataPoint());
if (args.NewItems[i] is GlucoseItem newGlucose)
{
AddGlucoseDatapoint(newGlucose.GetDataPoint());
}
}
break;
case NotifyCollectionChangedAction.Move:
break;
case NotifyCollectionChangedAction.Reset:
GlucoseDataPoints.Clear();
break;
default:
throw new ArgumentOutOfRangeException();
}
}