sProperMA

//+------------------------------------------------------------------+
//|                                                     				 +MA |
//|     programming & support - Alexey Sergeev (profy.mql@gmail.com) |
//|	 1.04                                                            |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2010, Alexey Sergeev"
#property link      "profy.mql@gmail.com"

#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 LimeGreen

extern int TF=240; // òàéìôðåéì 
extern int PeriodMA=14; // ïåðèîä ÌÀ
extern int MethodMA=0; // ìåòîä ÌÀ
extern int PriceMA=0; // öåíà ÌÀ
extern bool ShowSimple=false; // 

double MA[],PR[];
datetime last=0;
//------------------------------------------------------------------	init
void init()
  {
   SetIndexBuffer(0,MA); SetIndexStyle(0,DRAW_LINE); SetIndexLabel(0,"MA");
   IndicatorShortName("MA("+PeriodMA+")");
   ArrayResize(PR,PeriodMA+1); ArraySetAsSeries(PR,true);
   if(TF<Period()) TF=Period();
  }
//------------------------------------------------------------------	start
void start()
  {
   string smb=Symbol();
   if(Bars<=PeriodMA) return(0);

   int counted_bars=IndicatorCounted();
   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
   int limit=Bars-counted_bars;
   if(counted_bars==0) limit-=1+PeriodMA;

   if(counted_bars<=0) for(int i=1; i<=PeriodMA; i++) MA[limit-i]=EMPTY_VALUE;

   for(i=limit-1; i>=0; i--)
     {
      int b=iBarShift(smb,TF,Time[i]); // áàð òåêóùåãî âðåìåíè ìëàäøåãî íà ñòàðøåì ÒÔ
      if(last!=iTime(smb,TF,b)) // åñëè ýòî íîâûé áàð
        {
         last=iTime(smb,TF,b);
         for(int j=PeriodMA-1; j>=0; j--) PR[j]=GetPrice(smb,TF,b+j,PriceMA); // ñìåñòèëè áàðû íà íîâûå
        }
      if(!ShowSimple) PR[0]=GetPrice(smb,Period(),i,PriceMA); // îáíîâèëè òåêóùèé áàð
      MA[i]=iMAOnArray(PR,0,PeriodMA,0,MethodMA,0); // ðàñ÷èòàëè ÌÀ
     }
  }
//------------------------------------------------------------------
double GetPrice(string smb,int tf,int i,int price)
  {
   if(price==PRICE_CLOSE) return(iClose(smb,tf,i));
   if(price==PRICE_OPEN) return(iOpen(smb, tf, i));
   if(price==PRICE_HIGH) return(iHigh(smb, tf, i));
   if(price==PRICE_LOW) return(iLow(smb,tf,i));
   if(price==PRICE_MEDIAN) return((iHigh(smb,tf,i)+iLow(smb,tf,i))/2);
   if(price==PRICE_TYPICAL) return((iHigh(smb,tf,i)+iLow(smb,tf,i)+iClose(smb,tf,i))/3);
   if(price==PRICE_WEIGHTED) return((iHigh(smb,tf,i)+iLow(smb,tf,i)+iClose(smb,tf,i)+iClose(smb,tf,i))/4);
  }
//+------------------------------------------------------------------+