Pivot w optional CPR and Mids

using System;
using cAlgo.API;
using cAlgo.API.Internals;
using cAlgo.API.Indicators;
using cAlgo.Indicators;
using LittleTrader;
using LittleTrader.Models.PriceActions;

namespace cAlgo
{
    [Levels(0)]
    [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class LT_Ind_Pivot : Indicator
    {
        [Parameter(DefaultValue = PivotTimeFrames.Day)]
        public PivotTimeFrames PivotTimeFrame { get; set; }

        [Parameter(DefaultValue = false)]
        public bool ShowCPR { get; set; }

        [Parameter(DefaultValue = false)]
        public bool ShowMids { get; set; }

        [Parameter(DefaultValue = 3)]
        public int NumZones { get; set; }

        Pivot _pivot;
        PivotLevelTypes _levelType = PivotLevelTypes.Primary;
        protected override void Initialize()
        {
            var tf = PivotTimeFrame;
            if (this.TimeFrame > TimeFrame.Hour)
                tf = PivotTimeFrames.Week;
            if (this.TimeFrame > TimeFrame.Hour4)
                tf = PivotTimeFrames.Month;

            // Initialize and create nested indicators
            if (ShowCPR) _levelType |= PivotLevelTypes.CPR;
            if (ShowMids) _levelType |= PivotLevelTypes.Secondary;
            _pivot = new Pivot(this, tf, _levelType, NumZones);

            Chart.MouseDown += e =>
            {
                if (e.CtrlKey == true)
                {
                    var index = (int)e.BarIndex;
                    Calculate(index);
                    _pivot.ToggleZones(Chart, index);
                }
            };
        }

        public override void Calculate(int index)
        {
            try
            {
                _pivot.Calculate(index, Chart);
            }
            catch (Exception ex)
            {
                Print(ex.ToString());
            }
        }
    }

}