/// <summary> Функция сохранения котировок </summary>
/// <param name="sec"></param>
public void SaveCharts(int timeFrame = 1, int limitSave = 20, int stepWait = 5)
{
string dir = GetDirCharts();
var frame = this.CollectionTimeFrames.FirstOrDefault(t => t.TimeFrame == timeFrame);
if (frame.IsNull())
{
return;
}
int limit = 20; //Кол-ва сохраняемых свечек за раз
while (limit > 0)
{
frame.LockCollection();
var candle = frame.MainCollection.ToArray().FirstOrDefault(c => !c._write && c._lastUpdate < DateTime.Now.AddMinutes(-5));// this.IndexWriteCandle);
frame.UnlockCollection();
if (!candle.Empty())
{
string filename = this.Security.Code + "." + this.Security.Class.Code + "_" + timeFrame + "_" + candle.Time.ToShortDateString() + ".charts";
filename = dir + filename;
if (this.SaveCandleInfile(filename, candle) != -1)
{
candle._write = true;
this.LastIndexCandle = candle;
}
}
limit--;
Thread.Sleep(2);
}
}
/// <summary>
///
/// </summary>
private int SaveCandleInfile(string filename, CandleLib.CandleData candle)
{
FileLib.WFile file = new FileLib.WFile(filename);
char split = '\t';
string text = candle.Time.ToString() + split +
candle.FirstId.ToString() + split +
candle.Open.ToString().Replace(',', '.') + split +
candle.Close.ToString().Replace(',', '.') + split + //3
candle.High.ToString().Replace(',', '.') + split +
candle.Low.ToString().Replace(',', '.') + split +
candle.LastId.ToString() + split + //6
candle.LastTime.ToString() + split; //7
if (candle.HorVolumes.HVolCollection.Count > 0)
{
candle.HorVolumes.HVolCollection.CollectionArray.ForEach <ChartVol>((vol) =>
{
if (vol.VolBuy > 0)
{
text += "b:" + vol.Price.ToString().Replace(',', '.') + ":" + vol.VolBuy.ToString() + split;
}
if (vol.VolSell > 0)
{
text += "s:" + vol.Price.ToString().Replace(',', '.') + ":" + vol.VolSell.ToString() + split;
}
});
}
LastSaveCandle = candle;
if (file.Append(text) == -1)
{
return(-1);
}
return(0);
}
/// <summary> Расчет горизонтальных объемов (для ускорения) </summary>
/// <param name="collection"></param>
public void CalculationHVol(IEnumerable <CandleLib.CandleData> collection)
{
if (collection.IsNull())
{
return;
}
this.LisForHVol = new List <CandleLib.CandleData>();
CandleLib.CandleData mainCandle = new CandleLib.CandleData(DateTime.Now);
int indx = 0;
foreach (var el in collection.ToArray())
{
if (indx > 0)
{
mainCandle.High = mainCandle.High < el.High ? el.High : mainCandle.High;
mainCandle.Low = mainCandle.Low > el.Low ? el.Low : mainCandle.Low;
if (el.HorVolumes.HVolCollection.Count > 0)
{
foreach (var hv in el.HorVolumes.HVolCollection.CollectionArray)
{
mainCandle.HorVolumes.AddBuy(hv.Price, hv.VolBuy);
mainCandle.HorVolumes.AddSell(hv.Price, hv.VolSell);
}
}
}
indx++;
}
this.LisForHVol.Add(new CandleLib.CandleData(DateTime.Now)); //Первая свечка изменяемая
this.LisForHVol.Add(mainCandle); //Последующие расчитываются один раз
}
/// <summary> Рисует одну свечку </summary>
/// <param name="canvas"></param>
/// <param name="rectPaint"></param>
/// <param name="candleData"></param>
/// <param name="index"></param>
/// <param name="maxPrice"></param>
/// <param name="minPrice"></param>
private void PaintOneCandle(Graphics canvas, Rectangle rectPaint, CandleLib.CandleData candleData, int index, decimal maxPrice, decimal minPrice)
{
int tailY1 = GraphicShape.GetCoordinate(rectPaint.Height, maxPrice, minPrice, candleData.High);
int tailY2 = GraphicShape.GetCoordinate(rectPaint.Height, maxPrice, minPrice, candleData.Low);
int tailX1 = (int)((rectPaint.Width - this.WidthOneCandle * index) + this.WidthOneCandle / 2);
int bodyX = (int)(rectPaint.Width - this.WidthOneCandle * index);
int bodyY = GraphicShape.GetCoordinate(rectPaint.Height, maxPrice, minPrice, candleData.Open > candleData.Close ? candleData.Open : candleData.Close);
int bodyWidth = this.WidthOneCandle - MarginCandle; //- чтобы свечки не слипались
int bodyHeight = GraphicShape.GetCoordinate(rectPaint.Height, maxPrice, minPrice, candleData.Open < candleData.Close ? candleData.Open : candleData.Close);
bodyHeight = bodyHeight - bodyY;
bodyHeight = bodyHeight == 0 ? bodyHeight + 1 : bodyHeight;
GraphicShape.PaintLine(canvas, new Point(tailX1, tailY1), new Point(tailX1, tailY2), Color.Black, 2);
GraphicShape.PaintRectangle(canvas, bodyX, bodyY, bodyWidth, bodyHeight, Color.Black, candleData.Open > candleData.Close ? Color.LightCoral : Color.LightGreen);
if (OnPaintCandle != null)
{
OnPaintCandle(new DataCandle()
{
PaintRect = rectPaint,
Candle = candleData,
TailCoord = new TailCoord()
{
High = new Point(tailX1, tailY1), Low = new Point(tailX1, tailY2)
},
Body = new Rectangle()
{
X = bodyX, Y = bodyY, Width = bodyWidth, Height = bodyHeight
},
Index = index
});
}
}
