ninjatrader/indicators/hilo-index/HILOIndex.cs

#region Using declarations
using NinjaTrader.Gui;
using System.Windows.Media;
#endregion

namespace NinjaTrader.NinjaScript.Indicators
{
    public class HILOIndex : Indicator
    {
        private const int PrimaryBars = 0;
        private const int NewHighsBars = 1;
        private const int NewLowsBars = 2;

        protected override void OnStateChange()
        {
            if (State == State.SetDefaults)
            {
                Name = "HILO Index";
                Description = @"";
                Calculate = Calculate.OnPriceChange;
                IsOverlay = false;

                AddPlot(new Stroke(Brushes.Yellow, DashStyleHelper.Solid, 3), PlotStyle.Line, "HILO Index");
            }
            else if (State == State.Configure)
            {
                AddDataSeries("FINH");
                AddDataSeries("FINL");
            }
        }

        protected override void OnBarUpdate()
        {
            if (PrimaryBars != BarsInProgress)
                return;

            if (CurrentBars[NewHighsBars] < 1 || CurrentBars[NewLowsBars] < 1)
                return;

            double newHighs = BarsArray[NewHighsBars].GetClose(BarsArray[NewHighsBars].GetBar(Time[0]));
            double newLows = BarsArray[NewLowsBars].GetClose(BarsArray[NewLowsBars].GetBar(Time[0]));

            Value[0] = newHighs - newLows;
        }

        public override string DisplayName
        {
            get { return Name; }
        }
    }
}

#region NinjaScript generated code. Neither change nor remove.

namespace NinjaTrader.NinjaScript.Indicators
{
    public partial class Indicator : NinjaTrader.Gui.NinjaScript.IndicatorRenderBase
    {
        private HILOIndex[] cacheHILOIndex;
        public HILOIndex HILOIndex()
        {
            return HILOIndex(Input);
        }

        public HILOIndex HILOIndex(ISeries<double> input)
        {
            if (cacheHILOIndex != null)
                for (int idx = 0; idx < cacheHILOIndex.Length; idx++)
                    if (cacheHILOIndex[idx] != null &&  cacheHILOIndex[idx].EqualsInput(input))
                        return cacheHILOIndex[idx];
            return CacheIndicator<HILOIndex>(new HILOIndex(), input, ref cacheHILOIndex);
        }
    }
}

namespace NinjaTrader.NinjaScript.MarketAnalyzerColumns
{
    public partial class MarketAnalyzerColumn : MarketAnalyzerColumnBase
    {
        public Indicators.HILOIndex HILOIndex()
        {
            return indicator.HILOIndex(Input);
        }

        public Indicators.HILOIndex HILOIndex(ISeries<double> input )
        {
            return indicator.HILOIndex(input);
        }
    }
}

namespace NinjaTrader.NinjaScript.Strategies
{
    public partial class Strategy : NinjaTrader.Gui.NinjaScript.StrategyRenderBase
    {
        public Indicators.HILOIndex HILOIndex()
        {
            return indicator.HILOIndex(Input);
        }

        public Indicators.HILOIndex HILOIndex(ISeries<double> input )
        {
            return indicator.HILOIndex(input);
        }
    }
}

#endregion