Moving Average

#include <stdlib.mqh>
#include <stderror.mqh> 

extern int MagicNumber = 20050610;

extern bool AlertOnly = false;
extern bool SoundAlert  =    true; // 0 = disabled
extern bool EmailAlert  =    true;
extern string UserComment = "MA_EA";
extern string mm                 = "MoneyManagement settings";
extern double Lots               = 0.1;
extern double MaximumRisk        = 0.02;
extern double DecreaseFactor     = 3;
extern string m0                 = "Moving Average Settings";
extern double MA_Period          = 12;
extern string m1                 = " Modes";
extern string m2                 = "0=sma, 1=ema, 2=smma, 3=lwma";
extern int    MA_Mode            = 1;
extern string ap0                = "Applied Price";
extern string ap1                = "0=close, 1=open, 2=high, 3=low, 4=median((h+l/2))";
extern string ap2 =              ", 5=typical((h+l+c)/3), 6=weighted((h+l+c+c)/4)";
extern int    MA_Price           = 0;
extern double MA_Shift           = 0;

extern int     TakeProfit = 130;
extern int     StopLoss=60;//  0= no stoploss
extern int     Slippage = 3;

extern string  ts0 = "---TrailingStopLoss---";
extern string  ts1 = " 1. None";
extern string  ts2 = " 2. Standard at input";
extern string  ts3 = " 3. Trail immediately";
extern int     TrailingStopMethod = 2;
extern string  ts12 = "Settings for Type 2";
extern double  TrailingStop = 20;

double   myPoint;

int init()
{
      // код доступен только после оплаты
   }

void DoAlerts(int cmd)
{
   if (cmd == OP_BUY)
   {
     if (SoundAlert) Alert(Symbol(),"  Price Cross MA  Up @  Hour ",Hour(),"  Minute ",Minute());
     if (EmailAlert) SendMail("BUY Alert for " + Symbol(), " Price Cross MA Up @  Hour " + Hour() + "  Minute " + Minute());
   }

   if (cmd == OP_SELL)
   {
      if (SoundAlert) Alert(Symbol()," Price Cross MA Down @  Hour ",Hour(),"  Minute ",Minute());
      if (EmailAlert) SendMail("SELL Alert for " + Symbol(), " Price Cross MA Down @  Hour " + Hour() + "  Minute " + Minute());
   }
}

void CheckForOpen()
  {
   double ma;

   if(Volume[0]>1) return;

   ma=iMA(NULL,0,MA_Period,MA_Shift,MA_Mode,MA_Price,0);

   if(Open[1]>ma && Close[1]<ma)  
     {
      DoAlerts(OP_SELL);
      if (!AlertOnly) OpenTrade(OP_SELL);
      return;
     }

   if(Open[1]<ma && Close[1]>ma)  
     {
      DoAlerts(OP_BUY);
      if (!AlertOnly) OpenTrade(OP_BUY);
      return;
     }

  }

void CheckForClose()
  {
   double ma;

   if(Volume[0]>1) return;

   ma=iMA(NULL,0,MA_Period,MA_Shift,MA_Mode,MA_Price,0);

   for(int i=0;i<OrdersTotal();i++)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false)        break;
      if(OrderSymbol()!=Symbol()) continue;
      if(OrderMagicNumber()!=MagicNumber) continue;

      if(OrderType()==OP_BUY)
        {
         if(Open[1]>ma && Close[1]<ma)
           OrderClose(OrderTicket(),OrderLots(),Bid,3,White);
         else
           HandleTrailingStop(OP_BUY, OrderTicket(), OrderOpenPrice(), OrderStopLoss(), OrderTakeProfit());

        }
      if(OrderType()==OP_SELL)
        {
         if(Open[1]<ma && Close[1]>ma)
           OrderClose(OrderTicket(),OrderLots(),Ask,3,White);
         else
           HandleTrailingStop(OP_SELL, OrderTicket(), OrderOpenPrice(), OrderStopLoss(), OrderTakeProfit());
        }
     }

  }

void start()
  {
      // код доступен только после оплаты
   }

void OpenTrade(int signal)
{  
  int res, err, ticket;
  double mLots;
  double TPprice,STprice;

   RefreshRates();

   mLots = LotsOptimized();

   if (signal==OP_BUY) 
   {
      res=OrderSend(Symbol(),OP_BUY,mLots,Ask,Slippage,0,0,UserComment,MagicNumber,0,Green);
      if (res > 0)
      {
         ticket = res;
         OrderSelect(ticket, SELECT_BY_TICKET, MODE_TRADES);
         if (StopLoss != 0 || TakeProfit != 0)
	      {
            TPprice = 0;
            if (TakeProfit > 0) TPprice=TakeLong(OrderOpenPrice(), TakeProfit);
            STprice = 0;
            if (StopLoss > 0)
            {
              STprice=StopLong(OrderOpenPrice(), StopLoss);
		        STprice = ValidStopLoss(OP_BUY,Bid, STprice);
		      }   

            if (Digits > 0) 
            {
              STprice = NormalizeDouble( STprice, Digits);
              TPprice = NormalizeDouble( TPprice, Digits); 
            }
		      ModifyOrder(ticket, OrderOpenPrice(), STprice, TPprice, LightGreen);
		   }

      }
   } 
   else if (signal==OP_SELL) 
   {
      res=OrderSend(Symbol(),OP_SELL,mLots,Bid,Slippage,0,0,UserComment,MagicNumber,0,Red);
      if (res > 0)
      {
         ticket = res;
         OrderSelect(ticket, SELECT_BY_TICKET, MODE_TRADES);
         if (StopLoss != 0 || TakeProfit != 0)
	      {
            TPprice = 0;
            if (TakeProfit > 0) TPprice=TakeShort(OrderOpenPrice(),TakeProfit);
            STprice = 0;
            if (StopLoss > 0)
            {
              STprice=StopShort(OrderOpenPrice() ,StopLoss);
		        STprice = ValidStopLoss(OP_SELL,Ask, STprice); 
		      }  

            if (Digits > 0) 
            {
               STprice = NormalizeDouble( STprice, Digits);
   

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