ninjatrader/indicators/MovingAverage.cs

124 lines
3.6 KiB
C#

#region Using declarations
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Windows.Media;
using System.Xml.Serialization;
using NinjaTrader.Gui;
#endregion
// Do not change the namespace.
namespace NinjaTrader.NinjaScript.Indicators
{
public class MovingAverage : Indicator
{
private EMA ema;
protected override void OnStateChange()
{
if (State == State.SetDefaults)
{
Description = "Basic moving average indicator";
Name = "Moving Average";
Calculate = Calculate.OnPriceChange;
IsOverlay = true;
IsSuspendedWhileInactive = true;
Period = 20;
AddPlot(new Stroke(Brushes.Yellow, DashStyleHelper.Solid, 3), PlotStyle.Line, "MA");
}
else if (State == State.DataLoaded)
{
ema = EMA(Period);
}
else if (State == State.Historical)
{
SetZOrder(-1); // Display behind bars on chart.
}
}
protected override void OnBarUpdate()
{
if (CurrentBar < Period)
return;
MA[0] = ema[0];
}
public override string DisplayName
{
get { return Period + " " + "EMA"; }
}
#region Plots
[Browsable(false)]
[XmlIgnore]
public Series<double> MA
{
get { return Values[0]; }
}
#endregion
#region Properties
[Range(1, int.MaxValue), NinjaScriptProperty]
[Display(Name = "Period", GroupName = "Parameters", Order = 0)]
public int Period { get; set; }
#endregion
}
}
#region NinjaScript generated code. Neither change nor remove.
namespace NinjaTrader.NinjaScript.Indicators
{
public partial class Indicator : NinjaTrader.Gui.NinjaScript.IndicatorRenderBase
{
private MovingAverage[] cacheMovingAverage;
public MovingAverage MovingAverage(int period)
{
return MovingAverage(Input, period);
}
public MovingAverage MovingAverage(ISeries<double> input, int period)
{
if (cacheMovingAverage != null)
for (int idx = 0; idx < cacheMovingAverage.Length; idx++)
if (cacheMovingAverage[idx] != null && cacheMovingAverage[idx].Period == period && cacheMovingAverage[idx].EqualsInput(input))
return cacheMovingAverage[idx];
return CacheIndicator<MovingAverage>(new MovingAverage(){ Period = period }, input, ref cacheMovingAverage);
}
}
}
namespace NinjaTrader.NinjaScript.MarketAnalyzerColumns
{
public partial class MarketAnalyzerColumn : MarketAnalyzerColumnBase
{
public Indicators.MovingAverage MovingAverage(int period)
{
return indicator.MovingAverage(Input, period);
}
public Indicators.MovingAverage MovingAverage(ISeries<double> input , int period)
{
return indicator.MovingAverage(input, period);
}
}
}
namespace NinjaTrader.NinjaScript.Strategies
{
public partial class Strategy : NinjaTrader.Gui.NinjaScript.StrategyRenderBase
{
public Indicators.MovingAverage MovingAverage(int period)
{
return indicator.MovingAverage(Input, period);
}
public Indicators.MovingAverage MovingAverage(ISeries<double> input , int period)
{
return indicator.MovingAverage(input, period);
}
}
}
#endregion