//+------------------------------------------------------------------+
//|                                              SignalEB.mqh        |
//+------------------------------------------------------------------+
#property copyright "AnimateDread"
#property version "1.0"
#property description "Engulfing Bar Signal"
//+------------------------------------------------------------------+
//| include files                                                    |
//+------------------------------------------------------------------+
#include "..\Expert\ExpertSignalCustom.mqh"
// wizard description start
//+------------------------------------------------------------------+
//| Description of the class                                         |
//| Title=Signal of candle pattern 'Engulfing Bar'                   |
//| Type=SignalAdvanced                                              |
//| Name=Engulfing Bar Pattern                                       |
//| ShortName=EB                                                     |
//| Class=CSignalEB                                                  |
//| Page=                                                            |
//+------------------------------------------------------------------+
// wizard description end
//+------------------------------------------------------------------+
//| CSignalEB class.                                                 |
//| Purpose: Class of trading signal Engulfing Bar Pattern           |
//|             It is derived from the CExpertSignalCustom class.          |
//+------------------------------------------------------------------+
class CSignalEB : public CExpertSignalCustom
  {
protected:
   //--- Pattern weights
   int                m_pattern_0;

public:
                     CSignalEB();
                    ~CSignalEB();
   //--- methods of adjusting "weights" of market models
   void              Pattern_0(int value) { m_pattern_0 = value; }
   virtual void      ApplyPatternWeight(int patternNumber, int weight);
   virtual int       LongCondition(void);
   virtual int       ShortCondition(void);

protected:
   //--- Method to calculate dynamic threshold
   double            CalculateAverageCandleSize();
  };

//+------------------------------------------------------------------+
//| Constructor.                                                     |
//+------------------------------------------------------------------+
CSignalEB::CSignalEB() : m_pattern_0(10)
  {
   m_id = "EB";
   m_pattern_count = 1;
  }
//+------------------------------------------------------------------+
//| Destructor                                                       |
//+------------------------------------------------------------------+
CSignalEB::~CSignalEB(void)
  {
  }
//+------------------------------------------------------------------+
//| "Voting" that price will grow.                                   |
//+------------------------------------------------------------------+
int CSignalEB::LongCondition(void)
  {
   int result = 0;
   int idx = StartIndex();
   int prevIdx = idx + 1;
   if(High(idx) > High(prevIdx) && Low(idx) < Low(prevIdx) && Open(idx) <= Close(prevIdx) && Close(idx) >= Open(prevIdx))
     {
      if(IS_PATTERN_USAGE(0))
        {
         result = m_pattern_0;
         m_active_pattern = "Pattern_0";
        }
     }
   if(result != 0)
     {
      m_active_direction = "Buy";
     }
//--- return the result
   return (result);
  }
//+------------------------------------------------------------------+
//| "Voting" that price will fall.                                   |
//+------------------------------------------------------------------+
int CSignalEB::ShortCondition(void)
  {
   int result = 0;
   int idx = StartIndex();
   int prevIdx = idx + 1;
   if(Low(idx) < Low(prevIdx) && High(idx) > High(prevIdx) && Close(idx) <= Open(prevIdx) && Open(idx) >= Close(prevIdx))
     {
      if(IS_PATTERN_USAGE(0))
        {
         result = m_pattern_0;
         m_active_pattern = "Pattern_0";
        }
     }
   if(result != 0)
     {
      m_active_direction = "Sell";
     }
//--- return the result
   return (result);
  }
//+------------------------------------------------------------------+
//| Set the specified pattern's weight to the specified value        |
//+------------------------------------------------------------------+
void   CSignalEB::ApplyPatternWeight(int patternNumber, int weight)
  {
   switch(patternNumber)
     {
      default:
         break;
      case 0:
         Pattern_0(weight);
         break;
     }
  }
//+------------------------------------------------------------------+