#MTF_MFI

//+------------------------------------------------------------------+
//|                                                     #MTF_MFI.mq4 |
//|                                          Copyright © 2009, matfx |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2009, matfx"
#property link      "http://www.forex-tsd.com"

#property indicator_separate_window
#property indicator_minimum 0
#property indicator_maximum 100
#property indicator_level1 20
#property indicator_level2 80
#property indicator_buffers 1
#property indicator_color1 DodgerBlue

extern int TimeFrame=0;
extern int MFIperiod=14;

double ExtMapBuffer1[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   
//---- indicator line
   SetIndexBuffer(0,ExtMapBuffer1);
   SetIndexStyle(0,DRAW_LINE);
//---- name for DataWindow and indicator subwindow label   
   switch(TimeFrame)
   {
      case 1 : string TimeFrameStr="Period_M1"; break;
      case 5 : TimeFrameStr="Period_M5"; break;
      case 15 : TimeFrameStr="Period_M15"; break;
      case 30 : TimeFrameStr="Period_M30"; break;
      case 60 : TimeFrameStr="Period_H1"; break;
      case 240 : TimeFrameStr="Period_H4"; break;
      case 1440 : TimeFrameStr="Period_D1"; break;
      case 10080 : TimeFrameStr="Period_W1"; break;
      case 43200 : TimeFrameStr="Period_MN1"; break;
      default : TimeFrameStr="Current Timeframe";
   }
   IndicatorShortName("MTF_MFI("+MFIperiod+") ("+TimeFrameStr+")");

  }
//----
   return(0);
 
//+------------------------------------------------------------------+
//| MTF MFI                                                          |
//+------------------------------------------------------------------+
int start()
  {
   datetime TimeArray[];
   int    i,limit,y=0,counted_bars=IndicatorCounted();
   
// Plot defined time frame on to current time frame
   ArrayCopySeries(TimeArray,MODE_TIME,Symbol(),TimeFrame); 
   
   limit=Bars-counted_bars+TimeFrame/Period();
   
   
   for(i=0,y=0;i<limit;i++)
   {
   if (Time[i]<TimeArray[y]) y++;

    ExtMapBuffer1[i]=iMFI(NULL,TimeFrame,MFIperiod,y) ; 
   
   }                 
     
  
   return(0);
  }
//+------------------------------------------------------------------+