protected override void BindCore()
{
int currentIndex = 0;
StochasticSlowIndicator owner = this.Owner as StochasticSlowIndicator;
ChartSeriesModel model = this.Owner.Model;
ChartSeriesModel signalModel = owner.SignalModel;
int currentMainPeriod = this.MainPeriod;
int currentSlowingPeriod = this.SlowingPeriod;
int currentSignalPeriod = this.SignalPeriod;
SizedQueue highValues = new SizedQueue(currentMainPeriod);
SizedQueue lowValues = new SizedQueue(currentMainPeriod);
SizedQueue fastStochValues = new SizedQueue(currentSlowingPeriod);
SizedQueue slowStochValues = new SizedQueue(currentSignalPeriod);
foreach (var item in this.itemsSource)
{
double high = (double)this.HighBinding.GetValue(item);
double low = (double)this.LowBinding.GetValue(item);
double close = (double)this.CloseBinding.GetValue(item);
double fastStochValue = CalculateMainValue(highValues, lowValues, high, low, close);
fastStochValues.EnqueueItem(fastStochValue);
double slowStochValue = MovingAverageIndicatorDataSource.CalculateCurrentValue(fastStochValues);
slowStochValues.EnqueueItem(slowStochValue);
double slowSignalValue = MovingAverageIndicatorDataSource.CalculateCurrentValue(slowStochValues);
CategoricalDataPoint point, point2;
if (model.DataPointsInternal.Count > currentIndex)
{
point = model.DataPointsInternal[currentIndex] as CategoricalDataPoint;
point.Value = slowStochValue;
}
else
{
point = this.GenerateDataPoint(item, -1) as CategoricalDataPoint;
point.Value = slowStochValue;
model.DataPointsInternal.Add(point);
}
if (signalModel.DataPointsInternal.Count > currentIndex)
{
point2 = signalModel.DataPointsInternal[currentIndex] as CategoricalDataPoint;
point2.Value = slowSignalValue;
}
else
{
point2 = this.GenerateDataPoint(item, -1) as CategoricalDataPoint;
point2.Value = slowSignalValue;
signalModel.DataPointsInternal.Add(point2);
}
currentIndex++;
}
}
private static void OnSlowingPeriodChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
StochasticSlowIndicator presenter = d as StochasticSlowIndicator;
(presenter.dataSource as StochasticSlowIndicatorDataSource).SlowingPeriod = (int)e.NewValue;
}