//+------------------------------------------------------------------+
//|                                                   Supertrend.mq4 |
//|                   Copyright © 2005, Jason Robinson (jnrtrading). |
//|                                      http://www.jnrtrading.co.uk |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, Jason Robinson (jnrtrading)."
#property link      "http://www.jnrtrading.co.uk"
//----
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Green
#property indicator_color2 Red
//----
double TrendUp[];
double TrendDown[];
double NonTrend[];
int st=0;
int UpDownShift;
//----
extern int TrendCCI_Period=14;
extern bool Automatic_Timeframe_setting;
extern int M1_CCI_Period=14;
extern int M5_CCI_Period=14;
extern int M15_CCI_Period=14;
extern int M30_CCI_Period=14;
extern int H1_CCI_Period=14;
extern int H4_CCI_Period=14;
extern int D1_CCI_Period=14;
extern int W1_CCI_Period=14;
extern int MN_CCI_Period=14;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0,DRAW_LINE,0,2);
   SetIndexBuffer(0,TrendUp);
   SetIndexStyle(1,DRAW_LINE,0,2);
   SetIndexBuffer(1,TrendDown);
//----
   switch(Period())
     {
      case 1:     UpDownShift=3; break;
      case 5:     UpDownShift=5; break;
      case 15:    UpDownShift=7; break;
      case 30:    UpDownShift=9; break;
      case 60:    UpDownShift=20; break;
      case 240:   UpDownShift=35; break;
      case 1440:  UpDownShift=40; break;
      case 10080: UpDownShift=100; break;
      case 43200: UpDownShift=120; break;
     }
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- 
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int i,cciPeriod;
   double cciTrendNow14,cciTrendPrevious14,cciTrendNow,cciTrendPrevious;
//----            
   int counted_bars=IndicatorCounted();
   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
   int limit=Bars-counted_bars;

   if(Automatic_Timeframe_setting==true)
     {
      switch(Period())
        {
         case 1:     cciPeriod=M1_CCI_Period; break;
         case 5:     cciPeriod=M5_CCI_Period; break;
         case 15:    cciPeriod=M15_CCI_Period; break;
         case 30:    cciPeriod=M30_CCI_Period; break;
         case 60:    cciPeriod=H1_CCI_Period; break;
         case 240:   cciPeriod=H4_CCI_Period; break;
         case 1440:  cciPeriod=D1_CCI_Period; break;
         case 10080: cciPeriod=W1_CCI_Period; break;
         case 43200: cciPeriod=MN_CCI_Period; break;
        }
     }
   else
     {
      cciPeriod=TrendCCI_Period;
     }

   if(counted_bars==0) limit-=1+MathMax(1,cciPeriod);

/*switch(cciPeriod) {
      case 14:  break;
   }*/
//cciPeriod = TrendCCI_Period;
   SetIndexLabel(0,("TrendUp "+cciPeriod));
   SetIndexLabel(1,("TrendDown "+cciPeriod));
   for(i=limit; i>=0; i--)
     {
      //----
      cciTrendNow=iCCI(NULL,0,cciPeriod,PRICE_TYPICAL,i)+70;
      cciTrendPrevious=iCCI(NULL,0,cciPeriod,PRICE_TYPICAL,i+1)+70;
      //cciTrendNow50 = iCCI(NULL, 0, 50, PRICE_TYPICAL, i) + 70;
      //cciTrendPrevious50 = iCCI(NULL, 0, 50, PRICE_TYPICAL, i+1) + 70;
      if(cciTrendNow>st && cciTrendPrevious<st)
        {
         TrendUp[i+1]=TrendDown[i+1];
         //TrendDown[i] = EMPTY_VALUE;
        }
      if(cciTrendNow<st && cciTrendPrevious>st)
        {
         TrendDown[i+1]=TrendUp[i+1];
         //TrendUp[i] = EMPTY_VALUE;
        }
      if(cciTrendNow>0)
        {
         TrendUp[i]=Low[i]-Point*UpDownShift;
         TrendDown[i]=EMPTY_VALUE;
         if(Close[i]<Open[i] && TrendDown[i+1]!=TrendUp[i+1])
           {
            TrendUp[i]=TrendUp[i+1];
           }
         if(TrendUp[i]<TrendUp[i+1] && TrendDown[i+1]!=TrendUp[i+1])
           {
            TrendUp[i]=TrendUp[i+1];
           }
         if(High[i]<High[i+1] && TrendDown[i+1]!=TrendUp[i+1])
           {
            TrendUp[i]=TrendUp[i+1];
           }
        }
      else if(cciTrendNow<0)
        {
         TrendDown[i]=High[i]+Point*UpDownShift;
         TrendUp[i]=EMPTY_VALUE;
         if(Close[i]>Open[i] && TrendDown[i+1]!=TrendUp[i+1])
           {
            TrendDown[i]=TrendDown[i+1];
           }
         if(TrendDown[i]>TrendDown[i+1] && TrendDown[i+1]!=TrendUp[i+1])
           {
            TrendDown[i]=TrendDown[i+1];
           }
         if(Low[i]>Low[i+1] && TrendUp[i+1]!=TrendDown[i+1])
           {
            TrendDown[i]=TrendDown[i+1];
           }
        }
     }
//----
   return(0);
  }
//+------------------------------------------------------------------+