yug_oneMA_v2

//+------------------------------------------------------------------+
//|                                                 yug_oneMA_v0.mq4 |
//|                                                     Yuriy Tokman |
//|                                            yuriytokman@gmail.com |
//+------------------------------------------------------------------+
#property copyright "Yuriy Tokman"
#property link      "yuriytokman@gmail.com"


//123.86  3.02	period=44 	ma_shift=4 	ma_method=1 	applied_price=5 
//	shift=3 	level_high=25 	level_low=27 	shift_level=3 	stoploss=100 	takeprofit=50	
//timeframe=0 	Lots=0.01 	slippage=3 

extern string ____1___   = "Íàñòðîéêè èíäèêàòîðà";
extern int timeframe     = 0;//1, 5, 15, 30, 60, 240, 1440, 10080, 43200
extern int period        = 44;//Ïåðèîä óñðåäíåíèÿ äëÿ âû÷èñëåíèÿ ñêîëüçÿùåãî ñðåäíåãî.
extern int ma_shift      = 4;//Ñäâèã èíäèêàòîðà îòíîñèòåëüíî öåíîâîãî ãðàôèêà.
extern int ma_method     = 1;//0-3 Ìåòîä óñðåäíåíèÿ.
extern int applied_price = 5;//0-6 Èñïîëüçóåìàÿ öåíà.
extern int shift         = 3;//ñäâèã ÌÀ îòíîñèòåëüíî òåêóùåãî áàðà
extern int level_high    = 25;//âåðõíèé êîðèäîð
extern int level_low     = 27;//íèæíèé êîðèäîð
extern int shift_level   = 3;//ñäâèã òåêóùåãî áàðà

extern string ____2___   = "Íàñòðîéêè îðäåðîâ";
extern double Lots          = 0.01;//Ëîòû
extern int slippage         = 3;//ïðîñêàëüçûâàíèå
extern int stoploss         = 100;//ñòîïëîññ
extern int takeprofit       = 50;//òåéêïðîôèò
extern int magic            = 28081975;//ìàãè÷åñêèé íîìåð


//+------------------------------------------------------------------+
//| expert initialization function                                   |
//+------------------------------------------------------------------+
int init()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| expert deinitialization function                                 |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| expert start function                                            |
//+------------------------------------------------------------------+
int start()
  {
//----

   if(!ExistPositions(NULL,OP_BUY,magic) && GetSignal()==1)
   OrderSend(Symbol(),OP_BUY,Lots,Ask,slippage,Bid-stoploss*Point,Ask+takeprofit*Point,"",magic,0,Green);

   if(!ExistPositions(NULL,OP_SELL,magic) && GetSignal()==-1)
   OrderSend(Symbol(),OP_SELL,Lots,Bid,slippage,Ask+stoploss*Point,Bid-takeprofit*Point,"",magic,0,Red);

//----
   return(0);
  }
//+------------------------------------------------------------------+
 int GetSignal()
   {
    
	 double MA = iMA(NULL,timeframe,period,ma_shift,ma_method,applied_price,shift);
	 double MA_high = MA + level_high*Point;
	 double MA_low  = MA - level_low*Point;
	 double high = iHigh(NULL,timeframe,shift_level);
	 double low  = iLow(NULL,timeframe,shift_level);
	 double open = iOpen(NULL,timeframe,shift_level);
    
    int vSignal = 0;
    if (low>MA && low<MA_high && open>MA_high)vSignal = 1;//up 
    else
    if (high<MA && high>MA_low && open<MA_low)    vSignal =-1;//down

    
    return (vSignal);
   } 
   
//+----------------------------------------------------------------------------+
//|  Àâòîð    : Êèì Èãîðü Â. aka KimIV,  http://www.kimiv.ru                   |
//+----------------------------------------------------------------------------+
//|  Âåðñèÿ   : 06.03.2008                                                     |
//|  Îïèñàíèå : Âîçâðàùàåò ôëàã ñóùåñòâîâàíèÿ ïîçèöèé                          |
//+----------------------------------------------------------------------------+
//|  Ïàðàìåòðû:                                                                |
//|    sy - íàèìåíîâàíèå èíñòðóìåíòà   (""   - ëþáîé ñèìâîë,                   |
//|                                     NULL - òåêóùèé ñèìâîë)                 |
//|    op - îïåðàöèÿ                   (-1   - ëþáàÿ ïîçèöèÿ)                  |
//|    mn - MagicNumber                (-1   - ëþáîé ìàãèê)                    |
//|    ot - âðåìÿ îòêðûòèÿ             ( 0   - ëþáîå âðåìÿ îòêðûòèÿ)           |
//+----------------------------------------------------------------------------+
bool ExistPositions(string sy="", int op=-1, int mn=-1, datetime ot=0) {
  int i, k=OrdersTotal();

  if (sy=="0") sy=Symbol();
  for (i=0; i<k; i++) {
    if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) {
      if (OrderSymbol()==sy || sy=="") {
        if (OrderType()==OP_BUY || OrderType()==OP_SELL) {
          if (op<0 || OrderType()==op) {
            if (mn<0 || OrderMagicNumber()==mn) {
              if (ot<=OrderOpenTime()) return(True);
            }
          }
        }
      }
    }
  }
  return(False);
}