//+------------------------------------------------------------------+
//|                                MTF_Williams Percentage Range.mq4 |
//|                                      Copyright © 2006, Keris2112 |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, Keris2112"
#property link      "http://www.forex-tsd.com"
//----
#property indicator_separate_window
#property indicator_buffers 1
#property indicator_color1 Blue
#property indicator_level1 -80
#property indicator_level2 -20
#property indicator_level3 -50
//---- input parameters
/*************************************************************************
PERIOD_M1   1
PERIOD_M5   5
PERIOD_M15  15
PERIOD_M30  30 
PERIOD_H1   60
PERIOD_H4   240
PERIOD_D1   1440
PERIOD_W1   10080
PERIOD_MN1  43200
You must use the numeric value of the timeframe that you want to use
when you set the TimeFrame' value with the indicator inputs.
---------------------------------------
MODE_SMA    0 Simple moving average, 
MODE_EMA    1 Exponential moving average, 
MODE_SMMA   2 Smoothed moving average, 
MODE_LWMA   3 Linear weighted moving average. 
You must use the numeric value of the MA Method that you want to use
when you set the 'ma_method' value with the indicator inputs.
**************************************************************************/
extern int TimeFrame=60;
extern int WilliamsPeriod=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("WPR ("+(string)WilliamsPeriod+") "+TimeFrameStr);
  return(0);
  }
//----
   
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int start()
  {
   datetime TimeArray[];
   int    i,limit,y=0,counted_bars=IndicatorCounted();
   // Plot defined timeframe on to current timeframe   
   ArrayCopySeries(TimeArray,MODE_TIME,Symbol(),TimeFrame);
//----
   limit=Bars-counted_bars;
   for(i=0,y=0;i<limit;i++)
     {
      if (Time[i]<TimeArray[y]) y++;
/***********************************************************   
   Add your main indicator loop below.  You can reference an existing
   indicator with its iName  or iCustom.
   Rule 1:  Add extern inputs above for all neccesary values   
   Rule 2:  Use 'TimeFrame' for the indicator timeframe
   Rule 3:  Use 'y' for the indicator's shift value
**********************************************************/
      ExtMapBuffer1[i]=iWPR(NULL,TimeFrame,WilliamsPeriod,y);
     }
//FIX for display
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++
     if (TimeFrame>Period()) 
     {
      int PerINT=TimeFrame/Period()+1;
      datetime TimeArr[]; ArrayResize(TimeArr,PerINT);
      ArrayCopySeries(TimeArr,MODE_TIME,Symbol(),Period());
        for(i=0;i<PerINT+1;i++) 
        {
         if (TimeArr[i]>=TimeArray[0]) 
         {
//---- Refresh buffers:         buffer[i] = buffer[0];
            ExtMapBuffer1[i]=ExtMapBuffer1[0];
            //----
         } 
       } 
     }
//----
   return(0);
  }
//+------------------------------------------------------------------+