public void UpdateLastSDD()
{
Debug.Assert(canvas != null);
Data.SymbolDayData lastSdd = drawingInfo.sddList[0];
int cbgFound = -1; // CandleBodyGeom
int csgFound = -1; // CandleShadowGeom
CandleTag ct = new CandleTag();
for (int i = 0; i < canvas.Children.Count; i++)
{
if (canvas.Children[i] is CandleBodyGeom &&
((CandleTag)((CandleBodyGeom)canvas.Children[i]).Tag).first)
{
cbgFound = i;
ct = (CandleTag)((CandleBodyGeom)canvas.Children[i]).Tag;
canvas.Children.RemoveAt(cbgFound);
break;
}
}
for (int i = 0; i < canvas.Children.Count; i++)
{
if (canvas.Children[i] is CandleShadowGeom &&
((CandleTag)((CandleShadowGeom)canvas.Children[i]).Tag).first)
{
csgFound = i;
canvas.Children.RemoveAt(csgFound);
break;
}
}
CreateCandle(canvas, ct.offset, lastSdd, ct.first);
}
public void CreateCandle(Canvas canvas, int offset, Data.SymbolDayData sdd, bool first)
{
double[] sortedVals =
{
sdd.Hi,
sdd.Open >= sdd.Close ? sdd.Open : sdd.Close,
sdd.Open > sdd.Close ? sdd.Close : sdd.Open,
sdd.Low
};
if (drawingInfo.viewAutoScale)
{
sortedVals[0] = Misc.RemapRangeValToPix(sortedVals[0], drawingInfo);
sortedVals[1] = Misc.RemapRangeValToPix(sortedVals[1], drawingInfo);
sortedVals[2] = Misc.RemapRangeValToPix(sortedVals[2], drawingInfo);
sortedVals[3] = Misc.RemapRangeValToPix(sortedVals[3], drawingInfo);
}
bool upDir = sdd.Open > sdd.Close ? false : true;
var candle = new CandleBodyGeom(drawingInfo, offset, sortedVals, first, upDir);
var shadow = new CandleShadowGeom(drawingInfo, offset, sortedVals, first, upDir);
canvas.Children.Add(candle);
canvas.Children.Add(shadow);
}
public static bool LineValueOnSdd(ChartLine line, Data.SymbolDayData sdd)
{
DrawingInfo di = line.GetDrawingInfo();
double PDR = DateToPixel(di, sdd.Date, 0);
double PVRLO = Math.Round(RemapRangeValToPix(sdd.Low, di), 6);
double PVRHI = Math.Round(RemapRangeValToPix(sdd.Hi, di), 6);
Point pLO = new Point(PDR, PVRLO);
Point pHI = new Point(PDR, PVRHI);
return(DoIntersect(line.getP1(), line.getP2(), pLO, pHI));
}
public static Data.SymbolDayData GetSdd(Data.SymbolInfo si, out string time)
{
time = "";
Console.WriteLine("GetSdd: {0}", si.FullName);
try
{
HtmlWeb web = new HtmlWeb();
HtmlDocument doc = new HtmlDocument();
string data = "http://stooq.pl/q/?s=" + si.ShortName;
doc = web.Load(data);
HtmlNodeCollection symbolNodes = doc.DocumentNode.SelectNodes("//*/font[@id=\"f18\"]");
string currentPrice = symbolNodes[1].InnerText;
HtmlNodeCollection hiCol = doc.DocumentNode.SelectNodes("//*/span[@id='aq_"
+ si.ShortName.ToLower(CultureInfo.InvariantCulture) + "_h']");
string hi = hiCol[0].InnerText;
HtmlNodeCollection lowCol = doc.DocumentNode.SelectNodes("//*/span[@id='aq_"
+ si.ShortName.ToLower(CultureInfo.InvariantCulture) + "_l']");
string low = lowCol[0].InnerText;
HtmlNodeCollection openCol = doc.DocumentNode.SelectNodes("//*/span[@id='aq_"
+ si.ShortName.ToLower(CultureInfo.InvariantCulture) + "_o']");
string open = openCol[0].InnerText;
HtmlNodeCollection timeCol = doc.DocumentNode.SelectNodes("//*/span[@id='aqdat']");
time = timeCol[0].InnerText.Remove(timeCol[0].InnerText.IndexOf("CET") + 3);
Data.SymbolDayData sdd = new Data.SymbolDayData(DateTime.Today,
float.Parse(open, CultureInfo.InvariantCulture),
float.Parse(hi, CultureInfo.InvariantCulture),
float.Parse(low, CultureInfo.InvariantCulture),
float.Parse(currentPrice, CultureInfo.InvariantCulture),
0); //TODO vol maybe in future
return(sdd);
}
catch (Exception)
{
Debug.Assert(false);
}
return(null);
}
public static Type Check(Chart.ChartLine line, Data.SymbolDayData sdd)
{
bool cross = Misc.LineValueOnSdd(line, sdd);
bool upCandle = sdd.Open < sdd.Close;
bool downCandle = !upCandle;
bool upLine = line.getP1().X > line.getP2().X ?
line.getP1().Y <line.getP2().Y : line.getP1().Y> line.getP2().Y;
bool downLine = !upLine;
if (cross && upCandle && upLine)
{
return(Type.CrossUpLineWithTrend);
}
else if (cross && downCandle && downLine)
{
return(Type.CrossDownLineWithTrend);
}
return(Type.Nothing);
}
public static List <Data.SymbolDayData> GetSymbolData(Dictionary <string, List <Data.SymbolDayData> > sdds, Data.SymbolInfo si)
{
string symbolName = si.ShortName;
if (sdds.ContainsKey(symbolName))
{
return(sdds[symbolName]);
}
string csv = "";
string today = DateTime.Today.ToString("dd-MM-yyyy");
string filename = "stocker_" + today + "_" + symbolName + ".csv";
if (MainWindow.testMode)
{
filename = "stocker_00-00-0000_AAA.csv";
}
string fileId = Drive.GetFileId(filename);
if (fileId != "")
{
csv = Drive.DownloadFile(fileId, filename);
}
else
{
csv = Sources.GetHtml(symbolName);
string folderId = Drive.CreateDirectory("temp");
Drive.UploadFile(folderId, filename, csv);
}
if (csv == "Przekroczony dzienny limit wywolan")
{
MessageBox.Show(csv, "ERROR");
}
List <Data.SymbolDayData> result = new List <Data.SymbolDayData>();
foreach (string line in csv.Split('\n'))
{
if (line.Length == 0)
{
continue;
}
if (line[0] == 'D')
{
continue;
}
string[] data = line.Split(',');
Debug.Assert(data.Count() >= 5);
DateTime date = DateTime.ParseExact(data[0], "yyyy-MM-dd", CultureInfo.InvariantCulture);
// discard old data for perf
if (date.Year < 2016)
{
continue;
}
float open = float.Parse(data[1], CultureInfo.InvariantCulture);
float hi = float.Parse(data[2], CultureInfo.InvariantCulture);
float low = float.Parse(data[3], CultureInfo.InvariantCulture);
float close = float.Parse(data[4], CultureInfo.InvariantCulture);
uint volume = 0;
if (data.Length == 6)
{
volume = uint.Parse(data[5]);
}
Data.SymbolDayData sdd = new Data.SymbolDayData(date, open, hi, low, close, volume);
result.Add(sdd);
}
result.Reverse();
sdds.Add(symbolName, result);
return(result);
}
