//============================================================== // Forex Strategy Builder // Copyright (c) Miroslav Popov. All rights reserved. //============================================================== // THIS CODE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, // EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO // THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE. //============================================================== using System; using System.Drawing; using ForexStrategyBuilder.Infrastructure.Entities; using ForexStrategyBuilder.Infrastructure.Enums; using ForexStrategyBuilder.Infrastructure.Interfaces; namespace ForexStrategyBuilder.Indicators.Store { public class BuddahCandleIndicator : Indicator { public BuddahCandleIndicator() { IndicatorName = "Buddah candle indicator"; PossibleSlots = SlotTypes.OpenFilter | SlotTypes.CloseFilter; IndicatorAuthor = "Footon"; IndicatorVersion = "2.0"; IndicatorDescription = "Footon's indi corner: custom indicators for FSB and FST."; } public override void Initialize(SlotTypes slotType) { SlotType = slotType; // The ComboBox parameters IndParam.ListParam[0].Caption = "Logic"; IndParam.ListParam[0].ItemList = new string[] { "Flying Buddah", "Sinking Buddah" }; IndParam.ListParam[0].Index = 0; IndParam.ListParam[0].Text = IndParam.ListParam[0].ItemList[IndParam.ListParam[0].Index]; IndParam.ListParam[0].Enabled = true; IndParam.ListParam[0].ToolTip = "Logic of application of the indicator."; IndParam.ListParam[1].Caption = "FastBase price"; IndParam.ListParam[1].ItemList = Enum.GetNames(typeof(BasePrice)); IndParam.ListParam[1].Index = (int)BasePrice.Close; IndParam.ListParam[1].Text = IndParam.ListParam[1].ItemList[IndParam.ListParam[1].Index]; IndParam.ListParam[1].Enabled = true; IndParam.ListParam[1].ToolTip = "The price Moving Average's based on."; IndParam.ListParam[2].Caption = "SlowBase price"; IndParam.ListParam[2].ItemList = Enum.GetNames(typeof(BasePrice)); IndParam.ListParam[2].Index = (int)BasePrice.Close; IndParam.ListParam[2].Text = IndParam.ListParam[2].ItemList[IndParam.ListParam[2].Index]; IndParam.ListParam[2].Enabled = true; IndParam.ListParam[2].ToolTip = "The price Moving Average's based on."; IndParam.ListParam[3].Caption = "Fast MA method"; IndParam.ListParam[3].ItemList = Enum.GetNames(typeof(MAMethod)); IndParam.ListParam[3].Index = (int)MAMethod.Exponential; IndParam.ListParam[3].Text = IndParam.ListParam[3].ItemList[IndParam.ListParam[3].Index]; IndParam.ListParam[3].Enabled = true; IndParam.ListParam[3].ToolTip = "The method used for smoothing the Fast Moving Averages."; IndParam.ListParam[4].Caption = "Slow MA method"; IndParam.ListParam[4].ItemList = Enum.GetNames(typeof(MAMethod)); IndParam.ListParam[4].Index = (int)MAMethod.Exponential; IndParam.ListParam[4].Text = IndParam.ListParam[4].ItemList[IndParam.ListParam[4].Index]; IndParam.ListParam[4].Enabled = true; IndParam.ListParam[4].ToolTip = "The method used for smoothing the slow Moving Averages."; // The NumericUpDown parameters IndParam.NumParam[0].Caption = "Fast MA period"; IndParam.NumParam[0].Value = 5; IndParam.NumParam[0].Min = 1; IndParam.NumParam[0].Max = 200; IndParam.NumParam[0].Enabled = true; IndParam.NumParam[0].ToolTip = "The period of Fast MA."; IndParam.NumParam[1].Caption = "Slow MA period"; IndParam.NumParam[1].Value = 10; IndParam.NumParam[1].Min = 1; IndParam.NumParam[1].Max = 200; IndParam.NumParam[1].Enabled = true; IndParam.NumParam[1].ToolTip = "The period of Slow MA."; IndParam.NumParam[2].Caption = "Fast MA shift"; IndParam.NumParam[2].Value = 0; IndParam.NumParam[2].Min = 0; IndParam.NumParam[2].Max = 100; IndParam.NumParam[2].Point = 0; IndParam.NumParam[2].Enabled = true; IndParam.NumParam[2].ToolTip = "The shifting value of Fast MA."; IndParam.NumParam[3].Caption = "Slow MA shift"; IndParam.NumParam[3].Value = 0; IndParam.NumParam[3].Min = 0; IndParam.NumParam[3].Max = 100; IndParam.NumParam[3].Point = 0; IndParam.NumParam[3].Enabled = true; IndParam.NumParam[3].ToolTip = "The shifting value of Slow MA."; // The CheckBox parameters IndParam.CheckParam[0].Caption = "Use previous bar value"; IndParam.CheckParam[0].Enabled = true; IndParam.CheckParam[0].ToolTip = "Use the indicator value from the previous bar."; return; } public override void Calculate(IDataSet dataSet) { DataSet = dataSet; // Reading the parameters BasePrice fastbasePrice = (BasePrice)IndParam.ListParam[1].Index; BasePrice slowbasePrice = (BasePrice)IndParam.ListParam[2].Index; MAMethod fastMAMethod = (MAMethod )IndParam.ListParam[3].Index; MAMethod slowMAMethod = (MAMethod )IndParam.ListParam[4].Index; int iNFastMA = (int)IndParam.NumParam[0].Value; int iNSlowMA = (int)IndParam.NumParam[1].Value; int iSFastMA = (int)IndParam.NumParam[2].Value; int iSSlowMA = (int)IndParam.NumParam[3].Value; int iPrvs = IndParam.CheckParam[0].Checked ? 1 : 0; int iFirstBar = (int)Math.Max(iNFastMA + iSFastMA, iNSlowMA + iSSlowMA) + 2; double[] adMAFast = MovingAverage(iNFastMA, iSFastMA, fastMAMethod, Price(fastbasePrice)); double[] adMASlow = MovingAverage(iNSlowMA, iSSlowMA, slowMAMethod, Price(slowbasePrice)); // Saving the components Component = new IndicatorComp[4]; Component[0] = new IndicatorComp(); Component[0].CompName = "Fast Moving Average"; Component[0].ChartColor = Color.Goldenrod; Component[0].DataType = IndComponentType.IndicatorValue; Component[0].ChartType = IndChartType.Line; Component[0].FirstBar = iFirstBar; Component[0].Value = adMAFast; Component[1] = new IndicatorComp(); Component[1].CompName = "Slow Moving Average"; Component[1].ChartColor = Color.IndianRed; Component[1].DataType = IndComponentType.IndicatorValue; Component[1].ChartType = IndChartType.Line; Component[1].FirstBar = iFirstBar; Component[1].Value = adMASlow; Component[2] = new IndicatorComp(); Component[2].ChartType = IndChartType.NoChart; Component[2].FirstBar = iFirstBar; Component[2].Value = new double[Bars]; Component[3] = new IndicatorComp(); Component[3].ChartType = IndChartType.NoChart; Component[3].FirstBar = iFirstBar; Component[3].Value = new double[Bars]; // Sets the Component's type if (SlotType == SlotTypes.OpenFilter) { Component[2].DataType = IndComponentType.AllowOpenLong; Component[2].CompName = "Is long entry allowed"; Component[3].DataType = IndComponentType.AllowOpenShort; Component[3].CompName = "Is short entry allowed"; } else if (SlotType == SlotTypes.CloseFilter) { Component[2].DataType = IndComponentType.ForceCloseLong; Component[2].CompName = "Close out long position"; Component[3].DataType = IndComponentType.ForceCloseShort; Component[3].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 "Flying Buddah": for (int iBar = iFirstBar + iPrvs; iBar < Bars; iBar++) { Component[2].Value[iBar] = Low[iBar - 1] > adMAFast[iBar - iPrvs] && Low[iBar - 1] > adMASlow[iBar - iPrvs] ? 1 : 0; Component[3].Value[iBar] = High[iBar - 1] < adMAFast[iBar - iPrvs] && High[iBar - 1] < adMASlow[iBar - iPrvs] ? 1 : 0; } break; case "Sinking Buddah": for (int iBar = iFirstBar + iPrvs; iBar < Bars; iBar++) { Component[2].Value[iBar] = High[iBar - 1] < adMAFast[iBar - iPrvs] && High[iBar - 1] < adMASlow[iBar - iPrvs] ? 1 : 0; Component[3].Value[iBar] = Low[iBar - 1] > adMAFast[iBar - iPrvs] && Low[iBar - 1] > adMASlow[iBar - iPrvs] ? 1 : 0; } break; default: break; } return; } ///

/// Sets the indicator logic description ///

public override void SetDescription() { EntryFilterLongDescription = ToString() + "; the Fast MA "; EntryFilterShortDescription = ToString() + "; the Fast MA "; ExitFilterLongDescription = ToString() + "; the Fast MA "; ExitFilterShortDescription = ToString() + "; the Fast MA "; switch (IndParam.ListParam[0].Text) { case "The Fast MA crosses the Slow MA upward": EntryFilterLongDescription += "crosses the Slow MA upward"; EntryFilterShortDescription += "crosses the Slow MA downward"; ExitFilterLongDescription += "crosses the Slow MA upward"; ExitFilterShortDescription += "crosses the Slow MA downward"; break; case "The Fast MA crosses the Slow MA downward": EntryFilterLongDescription += "crosses the Slow MA downward"; EntryFilterShortDescription += "crosses the Slow MA upward"; ExitFilterLongDescription += "crosses the Slow MA downward"; ExitFilterShortDescription += "crosses the Slow MA upward"; break; case "The Fast MA is higher than the Slow MA": EntryFilterLongDescription += "is higher than the Slow MA"; EntryFilterShortDescription += "is lower than the Slow MA"; ExitFilterLongDescription += "is higher than the Slow MA"; ExitFilterShortDescription += "is lower than the Slow MA"; break; case "The Fast MA is lower than the Slow MA": EntryFilterLongDescription += "is lower than the Slow MA"; EntryFilterShortDescription += "is higher than the Slow MA"; ExitFilterLongDescription += "is lower than the Slow MA"; ExitFilterShortDescription += "is higher than the Slow MA"; break; default: break; } return; } ///

/// Indicator to string ///

public override string ToString() { string sString = IndicatorName + (IndParam.CheckParam[0].Checked ? "* (" : " (") + IndParam.ListParam[1].Text + ", " + // Price IndParam.ListParam[2].Text + ", " + // Price IndParam.ListParam[3].Text + ", " + // Fast MA Method IndParam.ListParam[4].Text + ", " + // Slow MA Method IndParam.NumParam[0].ValueToString + ", " + // Fast MA period IndParam.NumParam[1].ValueToString + ", " + // Slow MA period IndParam.NumParam[2].ValueToString + ", " + // Fast MA shift IndParam.NumParam[3].ValueToString + ")"; // Slow MA shift return sString; } } }