protected override void BindCore()
{
int currentIndex = 0;
StochasticFastIndicator owner = this.Owner as StochasticFastIndicator;
ChartSeriesModel model = this.Owner.Model;
ChartSeriesModel signalModel = owner.SignalModel;
int mainPeriod = this.MainPeriod;
int signalPeriod = this.SignalPeriod;
SizedQueue highValues = new SizedQueue(mainPeriod);
SizedQueue lowValues = new SizedQueue(mainPeriod);
SizedQueue stochValues = new SizedQueue(signalPeriod);
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 mainValue = CalculateMainValue(highValues, lowValues, high, low, close);
stochValues.EnqueueItem(mainValue);
double signalValue = MovingAverageIndicatorDataSource.CalculateCurrentValue(stochValues);
CategoricalDataPoint point, point2;
if (model.DataPointsInternal.Count > currentIndex)
{
point = model.DataPointsInternal[currentIndex] as CategoricalDataPoint;
point.Value = mainValue;
}
else
{
point = this.GenerateDataPoint(item, -1) as CategoricalDataPoint;
point.Value = mainValue;
model.DataPointsInternal.Add(point);
}
if (signalModel.DataPointsInternal.Count > currentIndex)
{
point2 = signalModel.DataPointsInternal[currentIndex] as CategoricalDataPoint;
point2.Value = signalValue;
}
else
{
point2 = this.GenerateDataPoint(item, -1) as CategoricalDataPoint;
point2.Value = signalValue;
signalModel.DataPointsInternal.Add(point2);
}
currentIndex++;
}
}
private static void OnSignalStrokeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
StochasticFastIndicator indicator = d as StochasticFastIndicator;
indicator.signalRenderer.strokeShape.Stroke = e.NewValue as Brush;
if (indicator.isPaletteApplied)
{
indicator.UpdatePalette(true);
}
}
private static void OnSignalPeriodChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
StochasticFastIndicator presenter = d as StochasticFastIndicator;
(presenter.dataSource as StochasticIndicatorDataSourceBase).SignalPeriod = (int)e.NewValue;
}