public int?GetBarIndexAtPosition(int position)
{
var barIndex = position / Song.SamplesPerBar;
if (barIndex >= Bars.Count())
{
return(null);
}
return(barIndex);
}
protected override void OnCalculate()
{
TimeFrame tf = (TimeFrame)Bars.TimeFrame;
if (Bars != null && Bars.Count() > 0 && Times != null && Times.Count > 0 && this.IsProcessingBarIndexLast &&
(tf.Periodicity != DatafeedHistoryPeriodicity.Year &&
tf.Periodicity != DatafeedHistoryPeriodicity.Day && tf.Periodicity != DatafeedHistoryPeriodicity.Week))
{
for (int i = 0; i < this.HowManyDays; i++)
{
if (_showopen)
{
AddChartLine("Open_" + i.ToString(), this.IsAutoAdjustableScale, Times[1][i], Opens[1][i], Times[0][0], Opens[1][i], this.Color_O, this.DashStyle_O, this.LineWidth_O);
}
if (_showhigh)
{
AddChartLine("High_" + i.ToString(), this.IsAutoAdjustableScale, Times[1][i], Highs[1][i], Times[0][0], Highs[1][i], this.Color_H, this.DashStyle_H, this.LineWidth_H);
}
if (_showlow)
{
AddChartLine("Low_" + i.ToString(), this.IsAutoAdjustableScale, Times[1][i], Lows[1][i], Times[0][0], Lows[1][i], this.Color_L, this.DashStyle_L, this.LineWidth_L);
}
if (_showclose)
{
AddChartLine("Close_" + i.ToString(), this.IsAutoAdjustableScale, Times[1][i], Closes[1][i], Times[0][0], Closes[1][i], this.Color_C, this.DashStyle_C, this.LineWidth_C);
}
if (_showlines)
{
DateTime enddrawing_string = Times[0][0].AddSeconds(this.TimeFrame.GetSeconds() + this.TimeFrame.GetSeconds() * 0.15);
if (_showopen)
{
AddChartText("String_Open_" + i.ToString(), this.IsAutoAdjustableScale, "O " + (i + 1).ToString(), enddrawing_string, Opens[1][i], 0, this.Color_O, new Font("Arial", 7.5f), StringAlignment.Far, Color.Transparent, Color.Transparent, 100);
}
if (_showhigh)
{
AddChartText("String_High_" + i.ToString(), this.IsAutoAdjustableScale, "H " + (i + 1).ToString(), enddrawing_string, Highs[1][i], 0, this.Color_H, new Font("Arial", 7.5f), StringAlignment.Far, Color.Transparent, Color.Transparent, 100);
}
if (_showlow)
{
AddChartText("String_Low_" + i.ToString(), this.IsAutoAdjustableScale, "L " + (i + 1).ToString(), enddrawing_string, Lows[1][i], 0, this.Color_L, new Font("Arial", 7.5f), StringAlignment.Far, Color.Transparent, Color.Transparent, 100);
}
if (_showclose)
{
AddChartText("String_Close_" + i.ToString(), this.IsAutoAdjustableScale, "C " + (i + 1).ToString(), enddrawing_string, Closes[1][i], 0, this.Color_C, new Font("Arial", 7.5f), StringAlignment.Far, Color.Transparent, Color.Transparent, 100);
}
}
}
}
}
public int GetLastNonEmptyBarIndex()
{
int lastBarIndex = 0;
for (int barIndex = 0; barIndex < Bars.Count(); barIndex++)
{
var bar = Bars[barIndex];
if (bar.Buffer != null && barIndex > lastBarIndex)
{
lastBarIndex = barIndex;
}
}
return(lastBarIndex);
}
/// <summary>
/// Calculate and draw the high & low lines.
/// </summary>
private void calculateanddrawhighlowlines()
{
switch (FindHighLowTimeFrame_Type)
{
case FindHighLowTimeFrame_Type.Session:
//Draw it for the session
DateTime thesessiondatetime = Time[0];
if (this.Sessionsago != 0)
{
//todo subtract the date
IEnumerable <DateTime> datelist = Bars.Select(x => x.Time.Date).Distinct();
if (datelist.Count() - 1 < this.Sessionsago)
{
//do nothing
return;
}
else
{
thesessiondatetime = datelist.GetByIndex(datelist.Count() - 1 - this.Sessionsago);
}
}
//Default timeframe is this Session
DateTime start = new DateTime(thesessiondatetime.Year, thesessiondatetime.Month, thesessiondatetime.Day, 0, 0, 0);
DateTime end = new DateTime(thesessiondatetime.Year, thesessiondatetime.Month, thesessiondatetime.Day, 23, 59, 59);
//Override if we want this
if (this.UseDedicatedTimeSpan)
{
start = new DateTime(thesessiondatetime.Year, thesessiondatetime.Month, thesessiondatetime.Day, this.Time_Start.Hours, this.Time_Start.Minutes, this.Time_Start.Seconds);
end = new DateTime(thesessiondatetime.Year, thesessiondatetime.Month, thesessiondatetime.Day, this.Time_End.Hours, this.Time_End.Minutes, this.Time_End.Seconds);
}
//Select all data and find high & low.
IEnumerable <IBar> list = Bars.Where(x => x.Time >= start).Where(x => x.Time <= end);
//We save the high and low values in public variables to get access from other scripts
this.LastLow = list.Where(x => x.Low == list.Min(y => y.Low)).LastOrDefault().Low;
this.LastHigh = list.Where(x => x.High == list.Max(y => y.High)).LastOrDefault().High;
this.LastMiddle = this.LastLow + ((this.LastHigh - this.LastLow) / 2);
//Draw current lines for this day session
if (Time[0].Date == DateTime.Now.Date)
{
if (this.IsDrawLowLineEnabled)
{
AddChartHorizontalLine("LowLine" + start.Ticks, this.IsAutoAdjustableScale, this.LastLow, this.CurrentSessionLineColor, this.CurrentSessionLineStyle, this.CurrentSessionLineWidth);
}
if (this.IsDrawHighLineEnabled)
{
AddChartHorizontalLine("HighLine" + start.Ticks, this.IsAutoAdjustableScale, this.LastHigh, this.CurrentSessionLineColor, this.CurrentSessionLineStyle, this.CurrentSessionLineWidth);
}
if (this.IsDrawMiddleLineEnabled)
{
AddChartHorizontalLine("MiddleLine" + start.Ticks, this.IsAutoAdjustableScale, this.LastMiddle, this.CurrentSessionLineColor, this.CurrentSessionLineStyle, this.CurrentSessionLineWidth);
}
}
//Draw a rectangle at the dedicated time frame
if (this.IsDrawAreaplotEnabled)
{
AddChartRectangle("HighLowRect" + start.Ticks, this.IsAutoAdjustableScale, start, this.LastLow, end, this.LastHigh, this.Color_TimeSpan, this.Color_TimeSpan, this.Opacity);
}
break;
case FindHighLowTimeFrame_Type.Candle:
//Draw it for the candles
if (Bars.Count() - 1 >= this.CandlesAgo)
{
DateTime startcandle = Bars[this.CandlesAgo].Time.Date;
double lastmiddle = Bars[this.CandlesAgo].Low + (Bars[this.CandlesAgo].Range / 2);
if (this.IsDrawMiddleLineEnabled)
{
AddChartHorizontalLine("MiddleLineOnCandle" + startcandle.Ticks, this.IsAutoAdjustableScale, lastmiddle, this.CurrentSessionLineColor, this.CurrentSessionLineStyle, this.CurrentSessionLineWidth);
}
}
break;
case FindHighLowTimeFrame_Type.BarsAvailable:
//Draw it for the candles
if (Bars.Count() >= 1)
{
//We save the high and low values in public variables to get access from other scripts
this.LastLow = Bars.Where(x => x.Low == Bars.Min(y => y.Low)).LastOrDefault().Low;
this.LastHigh = Bars.Where(x => x.High == Bars.Max(y => y.High)).LastOrDefault().High;
this.LastMiddle = this.LastLow + ((this.LastHigh - this.LastLow) / 2);
string datenow = DateTime.Now.ToString();
if (this.IsDrawLowLineEnabled)
{
AddChartHorizontalLine("LowLine" + datenow, this.IsAutoAdjustableScale, this.LastLow, this.CurrentSessionLineColor, this.CurrentSessionLineStyle, this.CurrentSessionLineWidth);
}
if (this.IsDrawHighLineEnabled)
{
AddChartHorizontalLine("HighLine" + datenow, this.IsAutoAdjustableScale, this.LastHigh, this.CurrentSessionLineColor, this.CurrentSessionLineStyle, this.CurrentSessionLineWidth);
}
if (this.IsDrawMiddleLineEnabled)
{
AddChartHorizontalLine("MiddleLine" + datenow, this.IsAutoAdjustableScale, this.LastMiddle, this.CurrentSessionLineColor, this.CurrentSessionLineStyle, this.CurrentSessionLineWidth);
}
}
break;
default:
throw new NotImplementedException("FindHighLowTimeFrame: enum FindHighLowTimeFrame_Type is not defined", null);
}
}
protected override void OnCalculate()
{
TimeFrame tf = (TimeFrame)Bars.TimeFrame;
if (Bars != null && Bars.Count() > 0 && Times != null && Times.Count > 0 && this.IsProcessingBarIndexLast && (tf.Periodicity != DatafeedHistoryPeriodicity.Year && tf.Periodicity != DatafeedHistoryPeriodicity.Day && tf.Periodicity != DatafeedHistoryPeriodicity.Week))
{
IBar datetillendbar = Bars.Where(x => x.Time.Date == Times[0][0].Date).Last();
if (datetillendbar != null)
{
DateTime datetillend = datetillendbar.Time;
DateTime date = Times[1][0];
//if (!_extendlines)
//{
// IEnumerable<IBar> lisdateend = Bars.Where(x => x.Time.Date == date.Date);
// datetillend = date.Date.AddDays(1).AddSeconds(-1);
// if (lisdateend != null && lisdateend.Count() > 0)
// {
// datetillend = Bars.Where(x => x.Time.Date == date.Date).Last().Time;
// }
//}
IEnumerable <IBar> list = Bars.Where(x => x.Time.Date == date.Date);
DateTime startdate = date.Date;
if (list != null && list.Count() > 0)
{
startdate = list.First().Time;
}
if (_showopen)
{
AddChartLine("Open_" + date.ToString(), this.IsAutoAdjustableScale, startdate, Opens[1][0], datetillend, Opens[1][0], this.Color_O, this.DashStyle_O, this.LineWidth_O);
}
if (_showhigh)
{
AddChartLine("High_" + date.ToString(), this.IsAutoAdjustableScale, startdate, Highs[1][0], datetillend, Highs[1][0], this.Color_H, this.DashStyle_H, this.LineWidth_H);
}
if (_showlow)
{
AddChartLine("Low_" + date.ToString(), this.IsAutoAdjustableScale, startdate, Lows[1][0], datetillend, Lows[1][0], this.Color_L, this.DashStyle_L, this.LineWidth_L);
}
if (_showclose)
{
AddChartLine("Close_" + date.ToString(), this.IsAutoAdjustableScale, startdate, Closes[1][0], datetillend, Closes[1][0], this.Color_C, this.DashStyle_C, this.LineWidth_C);
}
if (_showlines)
{
DateTime enddrawing_string = datetillend.AddSeconds(this.TimeFrame.GetSeconds() + this.TimeFrame.GetSeconds() * 0.15);
if (_showopen)
{
AddChartText("String_Open_" + date.ToString(), this.IsAutoAdjustableScale, "CDO", enddrawing_string, Opens[1][0], 0, this.Color_O, new Font("Arial", 7.5f), StringAlignment.Far, Color.Transparent, Color.Transparent, 100);
}
if (_showhigh)
{
AddChartText("String_High_" + date.ToString(), this.IsAutoAdjustableScale, "CDH", enddrawing_string, Highs[1][0], 0, this.Color_H, new Font("Arial", 7.5f), StringAlignment.Far, Color.Transparent, Color.Transparent, 100);
}
if (_showlow)
{
AddChartText("String_Low_" + date.ToString(), this.IsAutoAdjustableScale, "CDL", enddrawing_string, Lows[1][0], 0, this.Color_L, new Font("Arial", 7.5f), StringAlignment.Far, Color.Transparent, Color.Transparent, 100);
}
if (_showclose)
{
AddChartText("String_Close_" + date.ToString(), this.IsAutoAdjustableScale, "CDC", enddrawing_string, Closes[1][0], 0, this.Color_C, new Font("Arial", 7.5f), StringAlignment.Far, Color.Transparent, Color.Transparent, 100);
}
}
}
}
////Output Listen
//if (_showindicatorlines)
//{
// this.Indicator_Curve_Open.Set(Opens[1][0]);
// this.Indicator_Curve_High.Set(Highs[1][0]);
// this.Indicator_Curve_Low.Set(Lows[1][0]);
// this.Indicator_Curve_Close.Set(Closes[1][0]);
//}
}
protected override void OnCalculate()
{
if (_year == 0)
{
_year = Time[0].Year;
}
//DateTime lastDayOfYear = new DateTime(Time[0].Year + 1, 1, 1).AddDays(-1);
if (_year < Time[0].Year)
{
AddChartVerticalLine("vline" + Time[0].Date.ToString(), 0, this.Color_Vertical_Line_FiscalEnd, this.Vertical_DashStyle, this.Vertical_Line_Width);
//AddChartText("txt" + Time[0].Date.ToString(), Time[0].Year.ToString(), ProcessingBarIndexes[0] - Bars.Count() + 1, Low[0], this.Color_Horizontal_Line_FiscalEnd);
AddChartText("txt" + Time[0].Date.ToString(), Time[0].Year.ToString(), ProcessingBarIndexes[0] - Chart.LastBarVisible + 1, Close[0], this.Color_Horizontal_Line_FiscalEnd);
AddChartLine("hline" + Time[0].ToString(), 0, Close[0], ProcessingBarIndexes[0] - Bars.Count() + 1, Close[0], this.Color_Horizontal_Line_FiscalEnd);
_year = Time[0].Year;
}
}