//+------------------------------------------------------------------+
//|                                                    iFractals.mq4 |
//|                                        Copyright © 2008, lotos4u |
//|                                                lotos4u@gmail.com |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2008, lotos4u"
#property link      "lotos4u@gmail.com"

#property indicator_chart_window
#property indicator_buffers 6

#property indicator_width1 4
#property indicator_width2 4
#property indicator_width3 2
#property indicator_width4 2
#property indicator_width5 2
#property indicator_width6 2

#property indicator_color1 Blue
#property indicator_color2 Red
#property indicator_color3 Gold
#property indicator_color4 Gold
#property indicator_color5 White
#property indicator_color6 White

extern int LeftBars  = 3;
extern int RightBars = 3;
extern color     Line_Color=White;     // Grid line color
extern int       HGridWeeks=2;       // Period over which to calc High/Low of grid
double LineUpBuffer1[];
double LineDownBuffer2[];
double ArrowUpBuffer3[];
double ArrowDownBuffer4[];
double ArrowBreakUpBuffer5[];
double ArrowBreakDownBuffer6[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
{
   SetIndexStyle(0, DRAW_LINE);
   SetIndexArrow(0, 158);
   SetIndexBuffer(0, LineUpBuffer1);
   SetIndexEmptyValue(0, 0.0);
   SetIndexLabel(0, "Ôðàêòàëüíîå ñîïðîòèâëåíèå");
   
   SetIndexStyle(1, DRAW_LINE);
   SetIndexArrow(1, 158);
   SetIndexBuffer(1, LineDownBuffer2);
   SetIndexEmptyValue(1, 0.0);
   SetIndexLabel(1, "Ôðàêòàëüíàÿ ïîääåðæêà");

   SetIndexStyle(2, DRAW_ARROW);
   SetIndexArrow(2, 119);
   //SetIndexArrow(2, 217);
   SetIndexBuffer(2, ArrowUpBuffer3);
   SetIndexEmptyValue(2, 0.0);
   SetIndexLabel(2, "Ôðàêòàë ÂÅÐÕ");
   
   SetIndexStyle(3, DRAW_ARROW);
   SetIndexArrow(3, 119);
   //SetIndexArrow(3, 218);
   SetIndexBuffer(3, ArrowDownBuffer4);
   SetIndexEmptyValue(3, 0.0);
   SetIndexLabel(3, "Ôðàêòàë ÂÍÈÇ");

   SetIndexStyle(4, DRAW_ARROW);
   SetIndexArrow(4, 119);
   //SetIndexArrow(4, 217);
   SetIndexBuffer(4, ArrowBreakUpBuffer5);
   SetIndexEmptyValue(4, 0.0);
   SetIndexLabel(4, "Ïðîáîé ÂÂÅÐÕ");
   
   SetIndexStyle(5, DRAW_ARROW);
   SetIndexArrow(5, 119);
   //SetIndexArrow(5, 218);
   SetIndexBuffer(5, ArrowBreakDownBuffer6);
   SetIndexEmptyValue(5, 0.0);
   SetIndexLabel(5, "Ïðîáîé ÂÍÈÇ");

   return(0);
}


//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit(){  for ( int i = ObjectsTotal() - 1; i >= 0; i-- ) {
      string name = ObjectName( i );
      if ( StringFind( name, "grid_" ) >= 0 ) 
         ObjectDelete( name );
   }
   return(0);}

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
{
   int counted_bars = IndicatorCounted();
   if(counted_bars < 0)  return(-1);
   if(counted_bars > 0)   counted_bars--;
   int limit = Bars - counted_bars;
   if(counted_bars==0) limit-=1+MathMax(LeftBars,RightBars);


 double weekH = iHigh( NULL, PERIOD_W1, 0 );
         double weekL = iLow( NULL, PERIOD_W1, 0 );
         
         for ( int i = 0; i < HGridWeeks; i++ ) {
            weekH = MathMax( weekH, iHigh( NULL, PERIOD_W1, i ) );
            weekL = MathMin( weekL, iLow( NULL, PERIOD_W1, i ) );
            
              double p = weekH;
    
          string gridname = "grid_" + DoubleToStr( p, Digits );
          ObjectCreate( gridname, OBJ_TREND, 0, Time[0]*2, p, 0, p);
               ObjectSet( gridname, OBJPROP_COLOR, Line_Color );
               ObjectSet( gridname, OBJPROP_STYLE, STYLE_DOT );
               ObjectSet( gridname, OBJPROP_PRICE1, p );   
      
       p = weekL;
         gridname = "grid_" + DoubleToStr( p, Digits );
        ObjectCreate( gridname, OBJ_TREND, 0, Time[0]*2, p, 0, p);
               ObjectSet( gridname, OBJPROP_COLOR, Line_Color );
               ObjectSet( gridname, OBJPROP_STYLE, STYLE_DOT );
               ObjectSet( gridname, OBJPROP_PRICE1, p );   
               
               
         }
         
  
   //LineUpBuffer1[-1] = LineUpBuffer1[0];
   //LineDownBuffer2[-1] = LineDownBuffer2[0];
   return(0);
}





double isFractalUp(int index, int lBars, int rBars, int maxind)
{
   int left = lBars, right = rBars;
   double max = High[index]; //Ïðèíèìàåì çà ìàêñèìóì çíà÷åíèå Õàÿ èññëåäóåìîãî áàðà
   for(int i = index - right; i <= (index + left); i++)
   {
     if (i<0 || i>maxind) return(0);
      if(!(High[i] > 0.0))return(0);
      if(max < High[i] && i != index)
      {
         if(max < High[i])  return(0);
         if(MathAbs(i - index) > 1) return(0);
      }
   }
   return(max);
}




double isFractalDown(int index, int lBars, int rBars, int maxind)
{
   int left = lBars, right = rBars;
   double min = Low[index], test;
   for(int i = index - right; i <= (index + left); i++)
   {
      if (i<0 || i>maxind) return(0);
      if(!(Low[i] > 0.0))return(0);
      //if(min >= Low[i] && i != index)
      if(min > Low[i] && i != index)
      {
         if(min > Low[i])
            return(0);

         if(MathAbs(i - index) > 1)
            return(0);
      }

   }
   return(min);
}