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123 lines
4.6 KiB
Plaintext
123 lines
4.6 KiB
Plaintext
//+------------------------------------------------------------------+
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//| Bollinger_Bands_Pro.mq5 |
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//| Copyright 2026, xxxxxxxx|
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2026, xxxxxxxx"
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#property version "2.00" // Refactored to use MovingAverage_Engine
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#property description "Professional Bollinger Bands with extended MA types"
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#property description "(SMA, EMA, SMMA, LWMA, TMA, DEMA, TEMA) and Heikin Ashi support."
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#property indicator_chart_window
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#property indicator_buffers 3
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#property indicator_plots 3
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#include <MyIncludes\Bollinger_Bands_Calculator.mqh>
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//--- Plot 1: Upper Band
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#property indicator_label1 "Upper Band"
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#property indicator_type1 DRAW_LINE
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#property indicator_color1 clrOliveDrab
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#property indicator_style1 STYLE_DOT
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#property indicator_width1 1
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//--- Plot 2: Lower Band
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#property indicator_label2 "Lower Band"
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#property indicator_type2 DRAW_LINE
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#property indicator_color2 clrOliveDrab
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#property indicator_style2 STYLE_DOT
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#property indicator_width2 1
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//--- Plot 3: Center Line (MA)
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#property indicator_label3 "Centerline"
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#property indicator_type3 DRAW_LINE
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#property indicator_color3 clrOliveDrab
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#property indicator_style3 STYLE_SOLID
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#property indicator_width3 1
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//--- Input Parameters ---
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input int InpPeriod = 20;
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input double InpDeviation = 2.0;
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input ENUM_MA_TYPE InpMAType = SMA; // Updated to support all engine types
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input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD;
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//--- Indicator Buffers ---
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double BufferUpperBand[], BufferLowerBand[], BufferCenterLine[];
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//--- Global calculator object ---
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CBollingerBandsCalculator *g_calculator;
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//+------------------------------------------------------------------+
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//| OnInit |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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SetIndexBuffer(0, BufferUpperBand, INDICATOR_DATA);
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SetIndexBuffer(1, BufferLowerBand, INDICATOR_DATA);
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SetIndexBuffer(2, BufferCenterLine, INDICATOR_DATA);
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ArraySetAsSeries(BufferUpperBand, false);
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ArraySetAsSeries(BufferLowerBand, false);
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ArraySetAsSeries(BufferCenterLine, false);
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//--- Factory Logic
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if(InpSourcePrice <= PRICE_HA_CLOSE)
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g_calculator = new CBollingerBandsCalculator_HA();
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else
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g_calculator = new CBollingerBandsCalculator();
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//--- Initialize
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if(CheckPointer(g_calculator) == POINTER_INVALID ||
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!g_calculator.Init(InpPeriod, InpDeviation, InpMAType))
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{
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Print("Failed to initialize Bollinger Bands Calculator.");
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return(INIT_FAILED);
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}
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//--- Shortname
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string type = (InpSourcePrice <= PRICE_HA_CLOSE) ? " HA" : "";
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IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("BB Pro%s(%d, %.2f, %s)", type, InpPeriod, InpDeviation, EnumToString(InpMAType)));
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PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriod - 1);
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PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, InpPeriod - 1);
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PlotIndexSetInteger(2, PLOT_DRAW_BEGIN, InpPeriod - 1);
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return(INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| OnDeinit |
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//+------------------------------------------------------------------+
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void OnDeinit(const int reason)
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{
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if(CheckPointer(g_calculator) != POINTER_INVALID)
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delete g_calculator;
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}
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//+------------------------------------------------------------------+
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//| OnCalculate |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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if(rates_total < InpPeriod)
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return(0);
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ENUM_APPLIED_PRICE price_type = (InpSourcePrice <= PRICE_HA_CLOSE) ?
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(ENUM_APPLIED_PRICE)(-(int)InpSourcePrice) :
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(ENUM_APPLIED_PRICE)InpSourcePrice;
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g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close,
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BufferCenterLine, BufferUpperBand, BufferLowerBand);
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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