Bulls and Bears (v2)

// -------------------------------------------------------------------------------------------------
//
//    This code is a cAlgo API consolidation indicator provided by njardim@email.com on Dec 2015.
//
//    Based on the original Bulls and Bears Power sample indicators from cTrade.
//
// -------------------------------------------------------------------------------------------------

using System;
using cAlgo.API;
using cAlgo.API.Internals;
using cAlgo.API.Indicators;
using cAlgo.Indicators;

namespace cAlgo
{
    [Indicator(TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class BullsandBears : Indicator
    {
        [Parameter("Source")]
        public DataSeries Source { get; set; }

        [Parameter("Verbose", DefaultValue = true)]
        public bool OnVerbose { get; set; }

        [Parameter(DefaultValue = 12, MinValue = 2)]
        public int Periods { get; set; }

        [Parameter("MA Type", DefaultValue = MovingAverageType.Exponential)]
        public MovingAverageType MAType { get; set; }

        [Output("Bulls", Color = Colors.DodgerBlue, PlotType = PlotType.Histogram)]
        public IndicatorDataSeries Bulls { get; set; }

        [Output("Bears", Color = Colors.Red, PlotType = PlotType.Histogram)]
        public IndicatorDataSeries Bears { get; set; }

        private MovingAverage movingAverage;

        protected override void Initialize()
        {
            movingAverage = Indicators.MovingAverage(Source, Periods, MAType);
        }

        public override void Calculate(int index)
        {

            if (MarketSeries.High[index] - movingAverage.Result[index] > 0)
            {
                Bulls[index] = MarketSeries.High[index] - movingAverage.Result[index];
            }

            if (MarketSeries.Low[index] - movingAverage.Result[index] < 0)
            {
                Bears[index] = MarketSeries.Low[index] - movingAverage.Result[index];
            }

            if (OnVerbose)
            {

                if (MarketSeries.High[index] - movingAverage.Result[index] > 0.0001)
                {
                    var nBulls = String.Format("{0}", Math.Round(MarketSeries.High[index] - movingAverage.Result[index], Symbol.Digits));
                    ChartObjects.DrawText("Bulls", "Bulls: +" + nBulls + "\n \n", StaticPosition.BottomCenter, Colors.DodgerBlue);
                }
                else
                {
                    ChartObjects.DrawText("Bulls", "", StaticPosition.BottomCenter, Colors.DodgerBlue);
                }

                if (MarketSeries.Low[index] - movingAverage.Result[index] < -0.0001)
                {
                    var nBears = String.Format("{0}", Math.Round(MarketSeries.Low[index] - movingAverage.Result[index], Symbol.Digits));
                    ChartObjects.DrawText("Bears", "Bears: " + nBears, StaticPosition.BottomCenter, Colors.Red);
                }
                else
                {
                    ChartObjects.DrawText("Bears", "", StaticPosition.BottomCenter, Colors.Red);
                }
            }
        }
    }
}