//============================================================== // 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 Aroon_Histogram : Indicator { public Aroon_Histogram() { IndicatorName = "Aroon UpDown"; PossibleSlots = SlotTypes.OpenFilter;// | SlotTypes.CloseFilter; SeparatedChart = true; 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[] { "Long condition if Aroon Up > 99, Short condition if Aroon Down > 99", }; 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 = "Base 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 the Aroon is based on."; // The NumericUpDown parameters IndParam.NumParam[0].Caption = "Period"; IndParam.NumParam[0].Value = 9; IndParam.NumParam[0].Min = 1; IndParam.NumParam[0].Max = 200; IndParam.NumParam[0].Enabled = true; IndParam.NumParam[0].ToolTip = "Period used to calculate the Aroon value."; /*IndParam.NumParam[1].Caption = "Level"; IndParam.NumParam[1].Value = 0; IndParam.NumParam[1].Min = 0; IndParam.NumParam[1].Max = 100; IndParam.NumParam[1].Enabled = true; IndParam.NumParam[1].ToolTip = "A critical level (for the appropriate logic).";*/ // 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 basePrice = (BasePrice)IndParam.ListParam[1].Index; int iPeriod = (int)IndParam.NumParam[0].Value; //double dLevel = IndParam.NumParam[1].Value; int iPrvs = IndParam.CheckParam[0].Checked ? 1 : 0; // Calculation int iFirstBar = iPeriod + 2; double[] adBasePrice = Price(basePrice); double[] adUp = new double[Bars]; double[] adDown = new double[Bars]; double[] adAroon = new double[Bars]; double[] adAroon1 = new double[Bars]; for (int iBar = iPeriod; iBar < Bars; iBar++) { double dHighestHigh = double.MinValue; double dLowestLow = double.MaxValue; for (int i = 0; i < iPeriod; i++) { int iBaseBar = iBar - iPeriod + 1 + i; if (adBasePrice[iBaseBar] > dHighestHigh) { dHighestHigh = adBasePrice[iBaseBar]; adUp[iBar] = 100.0 * i / (iPeriod - 1); } if (adBasePrice[iBaseBar] < dLowestLow) { dLowestLow = adBasePrice[iBaseBar]; adDown[iBar] = 100.0 * i / (iPeriod - 1); } } if (adUp[iBar-1] > 99) adAroon[iBar] = 1; if (adDown[iBar-1] > 99) adAroon1[iBar] = 1; } // Saving the components Component = new IndicatorComp[4]; Component[0] = new IndicatorComp(); Component[0].CompName = "Allow long entry"; Component[0].DataType = IndComponentType.AllowOpenLong; Component[0].ChartType = IndChartType.NoChart; Component[0].FirstBar = iFirstBar; Component[0].Value = adAroon; Component[1] = new IndicatorComp(); Component[1].CompName = "Allow short entry"; Component[1].DataType = IndComponentType.AllowOpenShort; Component[1].ChartType = IndChartType.NoChart; Component[1].FirstBar = iFirstBar; Component[1].Value = adAroon1; Component[2] = new IndicatorComp(); Component[2].CompName = "Aroon Up"; Component[2].DataType = IndComponentType.IndicatorValue; Component[2].ChartType = IndChartType.Line; Component[2].ChartColor = Color.Blue; Component[2].FirstBar = iFirstBar; Component[2].Value = adUp; Component[3] = new IndicatorComp(); Component[3].CompName = "Aroon Down"; Component[3].DataType = IndComponentType.IndicatorValue; Component[3].ChartType = IndChartType.Line; Component[3].ChartColor = Color.Red; Component[3].FirstBar = iFirstBar; Component[3].Value = adDown; return; } ///

/// Sets the indicator logic description ///

public override void SetDescription() { EntryFilterLongDescription = "Long condition if Aroon Up > 99, Short condition if Aroon Down > 99"; EntryFilterShortDescription = "Long condition if Aroon Up > 99, Short condition if Aroon Down > 99"; return; } ///

/// Indicator to string ///

public override string ToString() { string sString = IndicatorName; return sString; } } }