//+------------------------------------------------------------------+
//|                                            MTF_MA_In_Color.mq4   |
//|                      Copyright © 2004, MetaQuotes Software Corp. |
//| Modified from MTF_LSMA_In_Color to use any MA by Robert Hill     |
//| Added use of Applied Price by Robert Hill                        |
//| Thanks to David Honeywell for MTF code                           |   
//+------------------------------------------------------------------+
#property  copyright "Copyright © 2006, FX Sniper and Robert Hill"
#property  link      "http://www.metaquotes.net/"

#define LSMA 4
#define ITREND 5
#define HMA 6
#define NONLAG 7

//---- indicator settings

#property  indicator_separate_window
#property  indicator_buffers 3
#property indicator_color1 Yellow      
#property indicator_color2 Green
#property indicator_color3 Red

//---- buffers

double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];

//---- 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.
LSMA        4 Least Squares Moving Average (linreg) 
You must use the numeric value of the MA Mode that you want to use
when you set the 'ma_mode' value with the indicator inputs.
**************************************************************************/
extern int       TimeFrame=0;
extern int       MAPeriod=14;
extern string dstr0 = " Moving Average Mode";
extern string dstr1 = " 0 = SMA";
extern string dstr2 = " 1 = EMA";
extern string dstr3 = " 2 = SMMA";
extern string dstr4 = " 3 = LWMA";
extern string dstr5 = " 4 = LSMA";
extern string dstr6 = " 5 = Ehlers Itrend";
extern string dstr7 = " 6 = HMA";
extern string dstr8 = " 7 = NonLag";
extern int       MA_Mode=1;
extern string  p = "--Applied Price Types--";
extern string  p0 = " 0 = close";
extern string  p1 = " 1 = open";
extern string  p2 = " 2 = high";
extern string  p3 = " 3 = low";
extern string  p4 = " 4 = median(high+low)/2";
extern string  p5 = " 5 = typical(high+low+close)/3";
extern string  p6 = " 6 = weighted(high+low+close+close)/4";
extern int       MAAppliedPrice = 0;//0=close, 1=open, 2=high, 3=low, 4=median(high+low)/2, 5=typical(high+low+close)/3, 6=weighted(high+low+close+close)/4
extern int Draw4HowLongg = 1500;

//---- variables

int    MAMode;
string strMAType;


//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//   IndicatorBuffers(3);
   
//---- drawing settings
   SetIndexBuffer(2,ExtMapBuffer1);
   SetIndexBuffer(1,ExtMapBuffer2);
   SetIndexBuffer(0,ExtMapBuffer3);
   
   SetIndexStyle(2,DRAW_LINE,STYLE_SOLID,2);
   SetIndexStyle(1,DRAW_LINE,STYLE_SOLID,2);
   SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,2);

//---- 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";
   }
   
   switch (MA_Mode)
   {
      case 1: strMAType="EMA"; MAMode=MODE_EMA; break;
      case 2: strMAType="SMMA"; MAMode=MODE_SMMA; break;
      case 3: strMAType="LWMA"; MAMode=MODE_LWMA; break;
      case LSMA: strMAType="LSMA"; break;
      case ITREND: strMAType="ITrend";break;
      case HMA: strMAType="HMA";break;
      case NONLAG: strMAType="NonLag";break;
      default: strMAType="SMA"; MAMode=MODE_SMA; break;
   }
   IndicatorShortName( "MTF_" + strMAType+ " (" +MAPeriod + ") " + "-("+TimeFrameStr+")");
//---- initialization done
   return(0);
  }

//+------------------------------------------------------------------+
//| LSMA with PriceMode                                              |
//| PrMode  0=close, 1=open, 2=high, 3=low, 4=median(high+low)/2,    |
//| 5=typical(high+low+close)/3, 6=weighted(high+low+close+close)/4  |
//+------------------------------------------------------------------+

double fLSMA(int iTimeFrame,int Rperiod, int prMode, int mshift)
{
   int i;
   double sum, price;
   int length;
   double lengthvar;
   double tmp;
   double wt;

   length = Rperiod;
 
   sum = 0;
   for(i = length; i >= 1  ; i--)
   {
     lengthvar = length + 1;
     lengthvar /= 3;
     tmp = 0;
     switch (prMode)
     {
     case 0: price = iClose(NULL,iTimeFrame,length-i+mshift);break;
     case 1: price = iOpen(NULL,iTimeFrame,length-i+mshift);break;
     case 2: price = iHigh(NULL,iTimeFrame,length-i+mshift);break;
     case 3: price = iLow(NULL,iTimeFrame,length-i+mshift);break;
     case 4: price = (iHigh(NULL,iTimeFrame,length-i+mshift) + iLow(NULL,iTimeFrame,length-i+mshift))/2;break;
     case 5: price = (iHigh(NULL,iTimeFrame,length-i+mshift) + iLow(NULL,iTimeFrame,length-i+mshift) + iClose(NULL,iTimeFrame,length-i+mshift))/3;break;
     case 6: price = (iHigh(NULL,iTimeFrame,length-i+mshift) + iLow(NULL,iTimeFrame,length-i+mshift) + iClose(NULL,iTimeFrame,length-i+mshift) + iClose(NULL,iTimeFrame,length-i+mshift))/4;break;
     }
     tmp = ( i - lengthvar)*price;
     sum+=tmp;
    }
    wt = sum*6/(length*(length+1));
    
    return(wt);
}

int start()

  {
   datetime TimeArray[];
  
   double MA_Cur, MA_Prev;
   int i, limit, y=0;
   int counted_bars = IndicatorCounted();
   //---- check for possible errors
   if (counted_bars<0) return(-1);
   //---- last counted bar will be recounted
   if (counted_bars>0) counted_bars--;
   
// Plot defined time frame on to current time frame
   ArrayCopySeries(TimeArray,MODE_TIME,Symbol(),TimeFrame);
    
   limit = Bars - counted_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 time frame
   Rule 3:  Use 'y' for your indicator's shift value
 **********************************************************/  
 
         
//========== COLOR CODING ===========================================
               
        
     switch (MA_Mode)
     {
     
     case LSMA :
        MA_Cur = fLSMA(TimeFrame,MAPeriod, MAAppliedPrice,y);
        MA_Prev = fLSMA(TimeFrame,MAPeriod, MAAppliedPrice,y+1);
        break;
     case ITREND :
        MA_Cur=iCustom(NULL,TimeFrame,"Ehlers_iTrend",MAPeriod,0,y);
        MA_Prev=iCustom(NULL,TimeFrame,"Ehlers_iTrend",MAPeriod,0,y+1);
        break;
     case HMA :
        MA_Cur=iCustom(NULL,TimeFrame,"HMA2",MAPeriod,0,y);
        MA_Prev=iCustom(NULL,TimeFrame,"HMA2",MAPeriod,0,y+1);
        break;
     case NONLAG :
        MA_Cur=iCustom(NULL,TimeFrame,"NonLagMA",MAAppliedPrice,MAPeriod,0,y);
        MA_Prev=iCustom(NULL,TimeFrame,"NonLagMA",MAAppliedPrice,MAPeriod,0,y+1);
        break;
     default :
        MA_Cur = iMA(NULL,TimeFrame,MAPeriod,0,MAMode, MAAppliedPrice,y);
        MA_Prev = iMA(NULL,TimeFrame,MAPeriod,0,MAMode, MAAppliedPrice,y+1);
     }
     
     MA_Cur = NormalizeDouble(MA_Cur,MarketInfo(Symbol(), MODE_DIGITS));
     MA_Prev = NormalizeDouble(MA_Prev,MarketInfo(Symbol(), MODE_DIGITS));
     
     ExtMapBuffer3[i] = MA_Cur; //red 
     ExtMapBuffer2[i] = MA_Cur; //green
     ExtMapBuffer1[i] = MA_Cur; //yellow
       
     if (MA_Prev > MA_Cur)
     {
        ExtMapBuffer2[i] = EMPTY_VALUE;
        
     }
     else if (MA_Prev < MA_Cur) 
     {
        ExtMapBuffer1[i] = EMPTY_VALUE; //-1 red/greem tight
        
     }
     else 
     {
         
         ExtMapBuffer1[i]=EMPTY_VALUE;//EMPTY_VALUE;
         ExtMapBuffer2[i]=EMPTY_VALUE;//EMPTY_VALUE;
     }
   }
    
   return(0);
  }
//+------------------------------------------------------------------+