//+------------------------------------------------------------------+
//|                                                MTF_MACD_4_v1.mq4 |
//|                                Copyright © 2006, TrendLaboratory |
//|            http://finance.groups.yahoo.com/group/TrendLaboratory |
//|                                   E-mail: igorad2003@yahoo.co.uk |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, TrendLaboratory"
#property link      "http://finance.groups.yahoo.com/group/TrendLaboratory"

#property indicator_separate_window
#property indicator_buffers 3
#property indicator_color1 Blue
#property indicator_color2 Tomato
#property indicator_color3 LightBlue

#property indicator_width1 1 
#property indicator_width2 1 
#property indicator_style2 2
#property indicator_width3 2 
//---- 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.
**************************************************************************/
extern int TimeFrame = 0;
extern int Price=0;
extern int FastEMA=12;
extern int SlowEMA=26;
extern int SignalEMA=9;
//---- indicator buffers
double MACD[];
double Signal[];
double HistoMACD[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
  int init()
  {
   string short_name;
//---- indicator line
   SetIndexStyle(0,DRAW_LINE);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexStyle(2,DRAW_HISTOGRAM);
   SetIndexBuffer(0,MACD);
   SetIndexBuffer(1,Signal);
   SetIndexBuffer(2,HistoMACD);
   IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS));
//---- 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";
   }
   short_name="MTF MACD("+TimeFrameStr+","+FastEMA+","+SlowEMA+","+SignalEMA+")";
   IndicatorShortName(short_name);
   SetIndexLabel(0,"MTF_MACD");
   SetIndexLabel(1,"Signal");
   SetIndexLabel(2,"HistoMACD");
//----
   //SetIndexDrawBegin(0,SlowEMA);
   //SetIndexDrawBegin(1,SignalEMA);
   //SetIndexDrawBegin(2,SignalEMA);
//----
   
   return(0);
  }

 
//+------------------------------------------------------------------+
//| MTF_MACD_4_v1                                      |
//+------------------------------------------------------------------+
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++;

/***********************************************************   
   Add your main indicator loop below.  You can add the full
      indicator code or you can just reference an existing
      indicator with its iValue or iCustom.
   Rule 1:  Add extern inputs above for all neccesary values   
   Rule 2:  Use 'TimeFrame' for the indicator time frame
   Rule 3:  Use 'y' for your indicator's shift value
 **********************************************************/ 
 
   MACD[i]=iCustom(NULL,TimeFrame,"MACD_4_v1",Price,FastEMA,SlowEMA,SignalEMA,0,y);
   Signal[i] = iCustom(NULL,TimeFrame,"MACD_4_v1",Price,FastEMA,SlowEMA,SignalEMA,1,y);
   HistoMACD[i] = iCustom(NULL,TimeFrame,"MACD_4_v1",Price,FastEMA,SlowEMA,SignalEMA,2,y);
   }
   return(0);
}
//+------------------------------------------------------------------+