Forex_Strategy_Builder.Moving_Average_of_Oscillator.Calculate C# (CSharp) Method

        public override void Calculate(SlotTypes slotType)
        {
            // Reading the parameters
            MAMethod  maMethod  = (MAMethod )IndParam.ListParam[1].Index;
            MAMethod  slMethod  = (MAMethod )IndParam.ListParam[3].Index;
            BasePrice basePrice = (BasePrice)IndParam.ListParam[2].Index;
            int       nSlow     = (int)IndParam.NumParam[0].Value;
            int       nFast     = (int)IndParam.NumParam[1].Value;
            int       nSignal   = (int)IndParam.NumParam[2].Value;
            double    dLevel    = IndParam.NumParam[3].Value;
            int       iPrvs     = IndParam.CheckParam[0].Checked ? 1 : 0;

            // Calculation
            int iFirstBar = nSlow + nFast + 2;

            double[] adMASlow = MovingAverage(nSlow, 0, maMethod, Price(basePrice));
            double[] adMAFast = MovingAverage(nFast, 0, maMethod, Price(basePrice));

            double[] adMACD = new double[Bars];

            for (int iBar = nSlow - 1; iBar < Bars; iBar++)
                adMACD[iBar] = adMAFast[iBar] - adMASlow[iBar];

            double[] maSignalLine = MovingAverage(nSignal, 0, slMethod, adMACD);

            // adHistogram reprezents the MACD oscillator
            double[] adHistogram = new double[Bars];
            for (int iBar = nSlow + nSignal - 1; iBar < Bars; iBar++)
                adHistogram[iBar] = adMACD[iBar] - maSignalLine[iBar];

            // Saving the components
            Component = new IndicatorComp[3];

            Component[0] = new IndicatorComp();
            Component[0].CompName   = "OsMA";
            Component[0].DataType   = IndComponentType.IndicatorValue;
            Component[0].ChartType  = IndChartType.Histogram;
            Component[0].FirstBar   = iFirstBar;
            Component[0].Value      = adHistogram;

            Component[1] = new IndicatorComp();
            Component[1].ChartType = IndChartType.NoChart;
            Component[1].FirstBar  = iFirstBar;
            Component[1].Value     = new double[Bars];

            Component[2] = new IndicatorComp();
            Component[2].ChartType = IndChartType.NoChart;
            Component[2].FirstBar  = iFirstBar;
            Component[2].Value     = new double[Bars];

            // Sets the Component's type
            if (slotType == SlotTypes.OpenFilter)
            {
                Component[1].DataType = IndComponentType.AllowOpenLong;
                Component[1].CompName = "Is long entry allowed";
                Component[2].DataType = IndComponentType.AllowOpenShort;
                Component[2].CompName = "Is short entry allowed";
            }
            else if (slotType == SlotTypes.CloseFilter)
            {
                Component[1].DataType = IndComponentType.ForceCloseLong;
                Component[1].CompName = "Close out long position";
                Component[2].DataType = IndComponentType.ForceCloseShort;
                Component[2].CompName = "Close out short position";
            }

            // Calculation of the logic
            IndicatorLogic indLogic = IndicatorLogic.It_does_not_act_as_a_filter;

            switch (IndParam.ListParam[0].Text)
            {
                case "The OsMA rises":
                    indLogic = IndicatorLogic.The_indicator_rises;
                    break;

                case "The OsMA falls":
                    indLogic = IndicatorLogic.The_indicator_falls;
                    break;

                case "The OsMA is higher than the Level line":
                    indLogic = IndicatorLogic.The_indicator_is_higher_than_the_level_line;
                    SpecialValues = new double[2] { dLevel, - dLevel };
                    break;

                case "The OsMA is lower than the Level line":
                    indLogic = IndicatorLogic.The_indicator_is_lower_than_the_level_line;
                    SpecialValues = new double[2] { dLevel, - dLevel };
                    break;

                case "The OsMA crosses the Level line upward":
                    indLogic = IndicatorLogic.The_indicator_crosses_the_level_line_upward;
                    SpecialValues = new double[2] { dLevel, - dLevel };
                    break;

                case "The OsMA crosses the Level line downward":
                    indLogic = IndicatorLogic.The_indicator_crosses_the_level_line_downward;
                    SpecialValues = new double[2] { dLevel, - dLevel };
                    break;

                case "The OsMA changes its direction upward":
                    indLogic = IndicatorLogic.The_indicator_changes_its_direction_upward;
                    break;

                case "The OsMA changes its direction downward":
                    indLogic = IndicatorLogic.The_indicator_changes_its_direction_downward;
                    break;

                default:
                    break;
            }

            OscillatorLogic(iFirstBar, iPrvs, adHistogram, dLevel, -dLevel, ref Component[1], ref Component[2], indLogic);

            return;
        }