private void UpdateFans(ChartTrendLine mainFan, ChartTrendLine handleLine, Dictionary <double, ChartTrendLine> fans)
{
var endBarIndex = Chart.Bars.GetBarIndex(mainFan.Time2, Chart.Symbol);
var barsDelta = handleLine.GetBarsNumber(Chart.Bars, Chart.Symbol) / 2;
var priceDelta = handleLine.GetPriceDelta() / 2;
var slope = handleLine.GetSlope();
foreach (var fan in fans)
{
var fanSettings = SideFanSettings.FirstOrDefault(iSettings => iSettings.Percent == fan.Key);
if (fanSettings == null)
{
continue;
}
var secondBarIndex = slope > 0 ? endBarIndex + barsDelta * fanSettings.Percent : endBarIndex - barsDelta * fanSettings.Percent;
var secondTime = Chart.Bars.GetOpenTime(secondBarIndex, Chart.Symbol);
var secondPrice = mainFan.Y2 + priceDelta * fanSettings.Percent;
var fanLine = fan.Value;
fanLine.Time1 = mainFan.Time1;
fanLine.Time2 = secondTime;
fanLine.Y1 = mainFan.Y1;
fanLine.Y2 = secondPrice;
}
}
protected override void UpdateLabels(long id, ChartObject chartObject, ChartText[] labels, ChartObject[] patternObjects)
{
var trendLines = patternObjects.Where(iObject => iObject.ObjectType == ChartObjectType.TrendLine).Cast <ChartTrendLine>().ToArray();
if (trendLines == null)
{
return;
}
var mainFan = trendLines.FirstOrDefault(iLine => iLine.Name.IndexOf("MainFan", StringComparison.OrdinalIgnoreCase) > -1);
if (mainFan == null)
{
return;
}
var sideFans = trendLines.Where(iLine => iLine.Name.IndexOf("SideFan", StringComparison.OrdinalIgnoreCase) > -1).ToDictionary(iLine => double.Parse(iLine.Name.Split('_').Last(), CultureInfo.InvariantCulture));
if (labels.Length == 0)
{
DrawLabels(mainFan, sideFans, id);
return;
}
foreach (var label in labels)
{
var labelFanName = label.Name.Split('_').Last();
ChartTrendLine line;
if (labelFanName.Equals("1x1", StringComparison.OrdinalIgnoreCase))
{
line = mainFan;
}
else
{
var fanSettings = SideFanSettings.FirstOrDefault(iFanSettings => iFanSettings.Name.Equals(labelFanName, StringComparison.OrdinalIgnoreCase));
if (fanSettings == null || !sideFans.TryGetValue(fanSettings.Percent, out line))
{
continue;
}
}
label.Time = line.Time2;
label.Y = line.Y2;
}
}