//+------------------------------------------------------------------+
//|                                                         T3MA.mq4 |
//|                                              Copyright 2015, AM2 |
//|                                      http://www.forexsystems.biz |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2015, AM2"
#property link      "http://www.forexsystems.biz"
#property description "Simple expert advisor"

//--- Inputs
extern double Lots      = 0.1;      // лот
extern int StopLoss     = 500;      // лось
extern int TakeProfit   = 500;      // язь
extern int Slip         = 30;       // реквот
extern int Shift        = 1;        // сдвиг
extern int Magic        = 123;      // магик

extern string IndName   = "T3MA-ALARM";
extern int IndPeriod    = 4;
//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//---
   Comment("");
//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
   Comment("");
  }
//+------------------------------------------------------------------+
//| Check for open order conditions                                  |
//+------------------------------------------------------------------+
void OpenPos()
  {
   int    r=0;
   double sl=0,tp=0;
//--- get Ind
   double FBlue=iCustom(Symbol(),0,IndName,IndPeriod,0,Shift);
   double FRed=iCustom(Symbol(),0,IndName,IndPeriod,1,Shift);
//--- sell conditions
   if(FRed<100)
     {
      if(StopLoss>0) sl=NormalizeDouble(Bid+StopLoss*Point,Digits);
      if(TakeProfit>0) tp=NormalizeDouble(Bid-TakeProfit*Point,Digits);
      r=OrderSend(Symbol(),OP_SELL,Lots,NormalizeDouble(Bid,Digits),Slip,sl,tp,"",Magic,0,Red);
      return;
     }
//--- buy conditions
   if(FBlue<100)
     {
      if(StopLoss>0) sl=NormalizeDouble(Ask-StopLoss*Point,Digits);
      if(TakeProfit>0) tp=NormalizeDouble(Ask+TakeProfit*Point,Digits);
      r=OrderSend(Symbol(),OP_BUY,Lots,NormalizeDouble(Ask,Digits),Slip,sl,tp,"",Magic,0,Blue);
      return;
     }
//---
  }
//+------------------------------------------------------------------+
//| Check for close order conditions                                 |
//+------------------------------------------------------------------+
void ClosePos()
  {
//--- get Ind
   double FBlue=iCustom(Symbol(),0,IndName,IndPeriod,0,Shift);
   double FRed=iCustom(Symbol(),0,IndName,IndPeriod,1,Shift);

   for(int i=OrdersTotal()-1;i>=0;i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderMagicNumber()==Magic || OrderSymbol()==Symbol())
           {
            if(OrderType()==OP_BUY)
              {
               if(FRed<100)
                 {
                  bool c=OrderClose(OrderTicket(),OrderLots(),Bid,Slip,White);
                 }
               break;
              }
            if(OrderType()==OP_SELL)
              {
               if(FBlue<100)
                 {
                  c=OrderClose(OrderTicket(),OrderLots(),Ask,Slip,White);
                 }
               break;
              }
           }
        }

     }
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int CountTrades()
  {
   int count=0;
   for(int i=OrdersTotal()-1;i>=0;i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderType()==OP_BUY || OrderType()==OP_SELL)
               count++;
           }
        }
     }
   return(count);
  }
//+------------------------------------------------------------------+
//| OnTick function                                                  |
//+------------------------------------------------------------------+
void OnTick()
  {
   double FBlue=iCustom(Symbol(),0,IndName,IndPeriod,0,Shift);
   double FRed=iCustom(Symbol(),0,IndName,IndPeriod,1,Shift);

   if(CountTrades()<1) OpenPos();
   if(CountTrades()>0) ClosePos();

   Comment("\n Blue: ",FBlue,
           "\n Red: ",FRed);
//---
  }
//+------------------------------------------------------------------+