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2026-08-01 14:47:43 +00:00 · 2025-10-25 23:42:04 +02:00
parent 9ef54759fb
commit 4ba039b619
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+//+------------------------------------------------------------------+
+//|                                            CG_Oscillator_Pro.mq5 |
+//|                                          Copyright 2025, xxxxxxxx|
+//|                                                                  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+#property version   "1.00"
+#property description "John Ehlers' Center of Gravity (CG) Oscillator."
+
+#property indicator_separate_window
+#property indicator_buffers 2
+#property indicator_plots   2
+
+//--- Plot 1: CG Line
+#property indicator_label1  "CG"
+#property indicator_type1   DRAW_LINE
+#property indicator_color1  clrRed
+#property indicator_style1  STYLE_SOLID
+#property indicator_width1  1
+
+//--- Plot 2: Signal Line
+#property indicator_label2  "Signal"
+#property indicator_type2   DRAW_LINE
+#property indicator_color2  clrBlue
+#property indicator_style2  STYLE_SOLID
+#property indicator_width2  1
+
+#include <MyIncludes\CG_Oscillator_Calculator.mqh>
+
+//--- Enum for selecting the candle source for calculation ---
+enum ENUM_CANDLE_SOURCE
+  {
+   SOURCE_STANDARD,      // Use standard OHLC data
+   SOURCE_HEIKIN_ASHI    // Use Heikin Ashi smoothed data
+  };
+
+//--- Input Parameters ---
+input int               InpPeriod = 10;    // Observation Period
+input ENUM_CANDLE_SOURCE InpSource = SOURCE_STANDARD;
+
+//--- Indicator Buffers ---
+double    BufferCG[];
+double    BufferSignal[];
+
+//--- Global calculator object ---
+CCGOscillatorCalculator *g_calculator;
+
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   SetIndexBuffer(0, BufferCG,     INDICATOR_DATA);
+   SetIndexBuffer(1, BufferSignal, INDICATOR_DATA);
+   ArraySetAsSeries(BufferCG,     false);
+   ArraySetAsSeries(BufferSignal, false);
+
+   if(InpSource == SOURCE_HEIKIN_ASHI)
+     {
+      g_calculator = new CCGOscillatorCalculator_HA();
+      IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("CG HA(%d)", InpPeriod));
+     }
+   else
+     {
+      g_calculator = new CCGOscillatorCalculator();
+      IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("CG(%d)", InpPeriod));
+     }
+
+   if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriod))
+     {
+      Print("Failed to initialize CG Oscillator Calculator.");
+      return(INIT_FAILED);
+     }
+
+   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriod);
+   PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, InpPeriod + 1);
+   IndicatorSetInteger(INDICATOR_DIGITS, 2);
+
+   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;
+
+// The calculator is hard-coded to use Median Price as per Ehlers' article
+   g_calculator.Calculate(rates_total, PRICE_MEDIAN, open, high, low, close, BufferCG, BufferSignal);
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+