//+------------------------------------------------------------------+ //| Ehlers_Bands_Pro.mq5 | //| Copyright 2025, xxxxxxxx| //| | //+------------------------------------------------------------------+ #property copyright "Copyright 2025, xxxxxxxx" #property version "1.00" #property description "Ehlers Bands with a selectable smoother (SuperSmoother or UltimateSmoother)." #property indicator_chart_window #property indicator_buffers 3 #property indicator_plots 3 #property indicator_label1 "Upper" #property indicator_type1 DRAW_LINE #property indicator_color1 clrBlue #property indicator_label2 "Lower" #property indicator_type2 DRAW_LINE #property indicator_color2 clrBlue #property indicator_label3 "Middle" #property indicator_type3 DRAW_LINE #property indicator_color3 clrBlue #property indicator_style3 STYLE_DOT // We need the smoother enum from this file #include #include //--- Input Parameters --- input ENUM_SMOOTHER_TYPE InpCenterlineType = SUPERSMOOTHER; // Centerline smoother type input int InpPeriod = 20; input double InpMultiplier = 2.0; // Default to 2.0 like standard Bollinger Bands input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD; //--- Indicator Buffers --- double BufferUpper[], BufferLower[], BufferMiddle[]; //--- Global calculator object --- CEhlersBandsCalculator *g_calculator; //+------------------------------------------------------------------+ int OnInit() { SetIndexBuffer(0, BufferUpper, INDICATOR_DATA); SetIndexBuffer(1, BufferLower, INDICATOR_DATA); SetIndexBuffer(2, BufferMiddle, INDICATOR_DATA); ArraySetAsSeries(BufferUpper, false); ArraySetAsSeries(BufferLower, false); ArraySetAsSeries(BufferMiddle, false); if(InpSourcePrice <= PRICE_HA_CLOSE) { g_calculator = new CEhlersBandsCalculator_HA(); IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Ehlers Bands HA(%d,%.1f)", InpPeriod, InpMultiplier)); } else { g_calculator = new CEhlersBandsCalculator(); IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Ehlers Bands(%d,%.1f)", InpPeriod, InpMultiplier)); } if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriod, InpMultiplier, InpCenterlineType)) { Print("Failed to initialize Ehlers Bands Calculator."); return(INIT_FAILED); } PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriod); PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, InpPeriod); PlotIndexSetInteger(2, PLOT_DRAW_BEGIN, InpPeriod); IndicatorSetInteger(INDICATOR_DIGITS, _Digits); return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ void OnDeinit(const int reason) { if(CheckPointer(g_calculator) != POINTER_INVALID) delete g_calculator; } //+------------------------------------------------------------------+ int OnCalculate(const int rates_total, const int, const datetime&[], const double &open[], const double &high[], const double &low[], const double &close[], const long&[], const long&[], const int&[]) { if(CheckPointer(g_calculator) == POINTER_INVALID) return 0; ENUM_APPLIED_PRICE price_type; if(InpSourcePrice <= PRICE_HA_CLOSE) price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice); else price_type = (ENUM_APPLIED_PRICE)InpSourcePrice; g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferUpper, BufferLower, BufferMiddle); return(rates_total); } //+------------------------------------------------------------------+ //+------------------------------------------------------------------+