/// <summary>
/// Show chart with data series
/// </summary>
/// <param name="dataSeries"></param>
public void LoadPriceChart(TradeRobotics.Model.StockDataSeries dataSeries)
{
//List<Bar> bars = dataSeries.Bars;
Visifire.Charts.DataSeries ds = new DataSeries();
ds.RenderAs = RenderAs.CandleStick;
ds.MarkerEnabled = true;
ds.MovingMarkerEnabled = true;
ds.LightingEnabled = true;
ds.LineThickness = 1.5;
//ds.XValueType = ChartValueTypes.DateTime;
ds.LegendText = string.Concat(dataSeries.Symbol, " ", dataSeries.Period);
ds.PriceUpColor = new SolidColorBrush(Colors.Green);
ds.PriceDownColor = new SolidColorBrush(Colors.Red);
//PriceChart.AxesY[0].AxisMinimum = bars.Min(bar => bar.Low);
//PriceChart.AxesY[0].AxisMaximum = bars.Max(bar => bar.High);
PriceChart.AxesY[0].StartFromZero = false;
PriceChart.AxesY[0].ViewportRangeEnabled = true;
if (dataSeries.Bars.Count > 0)
{
// Add points
//for (int i = 0; i < dataSeries.Count; i++)
foreach (Bar bar in dataSeries.Bars)
{
ds.DataPoints.Add(new DataPoint
{
AxisXLabel = bar.Time.ToString("yyyy-MM-dd HH:mm"),
//ToolTipText = "aa\nbb",
//XValue = bar.Time, // a DateTime value
YValues = new double[] { bar.Open, bar.Close, bar.High, bar.Low }
//dataSeries.Close[i], dataSeries.High[i], dataSeries.Low[i] } // a double value
});
}
}
else
{
foreach (Quote quote in dataSeries.Quotes)
{
ds.DataPoints.Add(new DataPoint
{
AxisXLabel = quote.Time.ToString("yyyy-MM-dd HH:mm"),
//ToolTipText = "aa\nbb",
//XValue = bar.Time, // a DateTime value
YValues = new double[] { quote.Price, quote.Price, quote.Price, quote.Price }
//dataSeries.Close[i], dataSeries.High[i], dataSeries.Low[i] } // a double value
});
}
}
PriceChart.Series.Add(ds);
PriceChart.ZoomingEnabled = true;
}
/// <summary>
/// Get bars from file
/// </summary>
/// <param name="symbol"></param>
/// <param name="period"></param>
// public BarCollection LoadBars(string symbol, int period)
public StockDataSeries LoadBars(string filePath)
{
// Load from file
//string filePath = string.Format(historyFileName, symbol, period);
Tuple<string, int, bool> dataInfo = GetDataFileInfo(filePath);
filePath = string.Concat(DataContext.DataDirectory, filePath);
string[] lines = File.ReadAllLines(filePath);
int i = 0;
// Init quik bar
DataSeries = new StockDataSeries();
DataSeries.Symbol = dataInfo.Item1;
DataSeries.Period = dataInfo.Item2; ;
// Add bars
foreach (string line in lines)
{
// First line is a header, no parse
if (i++ == 0)
continue;
Bar bar = ConverterHelper.LoadBar(line);
DataSeries.Bars.Add(bar);
DataSeries.Times.Add(bar.Time);
DataSeries.Open.Add(bar.Open);
DataSeries.Low.Add(bar.Low);
DataSeries.High.Add(bar.High);
DataSeries.Close.Add(bar.Close);
DataSeries.Volume.Add(bar.Volume);
}
return DataSeries;
}
/// <summary>
/// ctor
/// </summary>
/// <param name="dataSeries">updated data series</param>
/// <param name="i">bar index</param>
public TickEventArgs(StockDataSeries dataSeries, int i)
{
DataSeries = dataSeries;
LastBarIndex = i;
}
