protected virtual void Execute_AddMarkerCommand()
{
var pos = dateAxis.InverseTransform(this.SelectedPosition.X);
DateTime dt = OxyPlot.Axes.DateTimeAxis.ToDateTime(pos);
this.ProjectViewModel.AddMarkerCommand.Execute(dt);
}
public void BuildCandleSeries()
{
if (my_candles == null || my_candles.Count == 0)
{
return;
}
if (plot_view == null || plot_model == null)
{
return;
}
lock (series_locker)
{
has_candles = true;
if (axis_Y_type == "linear")
{
try
{
if (my_candles.Count == items_oxy_candles.Count)
{
Candle last_candle = my_candles.Last();
items_oxy_candles[items_oxy_candles.Count - 1] = new HighLowItem()
{
X = DateTimeAxis.ToDouble(last_candle.TimeStart),
Open = (double)last_candle.Open,
High = (double)last_candle.High,
Low = (double)last_candle.Low,
Close = (double)last_candle.Close,
};
}
else if (my_candles.Count == items_oxy_candles.Count + 1)
{
Candle last_candle = my_candles.Last();
items_oxy_candles.Add(new HighLowItem()
{
X = DateTimeAxis.ToDouble(last_candle.TimeStart),
Open = (double)last_candle.Open,
High = (double)last_candle.High,
Low = (double)last_candle.Low,
Close = (double)last_candle.Close,
});
}
else
{
items_oxy_candles = my_candles.Select(x => new HighLowItem()
{
X = DateTimeAxis.ToDouble(x.TimeStart),
Open = (double)x.Open,
High = (double)x.High,
Low = (double)x.Low,
Close = (double)x.Close,
}).ToList();
}
}
catch { return; }
}
if (axis_Y_type == "percent")
{
items_oxy_candles = my_candles.Select(x => new HighLowItem()
{
X = DateTimeAxis.ToDouble(x.TimeStart),
Open = (double)x.Open,
High = (double)x.High,
Low = (double)x.Low,
Close = (double)x.Close,
}).ToList();
var start_time = DateTimeAxis.InverseTransform(new ScreenPoint(plot_model.PlotArea.Left, plot_model.PlotArea.Top), date_time_axis_X, linear_axis_Y);
var end_time = DateTimeAxis.InverseTransform(new ScreenPoint(plot_model.PlotArea.Right, plot_model.PlotArea.Top), date_time_axis_X, linear_axis_Y);
candle_on_screen = items_oxy_candles.Where(x => x.X >= start_time.X && x.X <= end_time.X).ToList();
if (candle_on_screen.Count == 0)
{
return;
}
items_oxy_candles = items_oxy_candles.Select(x => new HighLowItem()
{
X = x.X,
Open = ((candle_on_screen[0].Open * 100 / x.Open) - 100) * -1,
High = ((candle_on_screen[0].Open * 100 / x.High) - 100) * -1,
Low = ((candle_on_screen[0].Open * 100 / x.Low) - 100) * -1,
Close = ((candle_on_screen[0].Open * 100 / x.Close) - 100) * -1,
}).ToList();
}
}
}