Experts: Long/Short only EA based on CExpert
Thank you.
Very clear.
Very clear.
Pardon me author. EA without reverse and with selectable lot.
EA with selectable lot -> changes in LongShortExpertMACD.mq5:
//+------------------------------------------------------------------+ //| LongShortExpertMACD.mq5 | //| Copyright 2009-2013, MetaQuotes Software Corp. - 2013, jlwarrior | //| https://login.mql5.com/en/users/jlwarrior | //+------------------------------------------------------------------+ #property copyright "2009-2013, MetaQuotes Software Corp - 2013, jlwarrior" #property link "https://login.mql5.com/en/users/jlwarrior" #property version "1.00" //+------------------------------------------------------------------+ //| Include | //+------------------------------------------------------------------+ #include <Expert\LongShortExpertModified.mqh> #include <Expert\Signal\SignalMACD.mqh> #include <Expert\Trailing\TrailingNone.mqh> #include <Expert\Money\MoneyFixedLot.mqh> //+------------------------------------------------------------------+ //| Inputs | //+------------------------------------------------------------------+ //--- inputs for expert input string Inp_Expert_Title ="Long/Short ExpertMACD"; int Expert_MagicNumber =10981; bool Expert_EveryTick =false; input ENUM_AVAILABLE_POSITIONS Inp_Allowed_Positions=BOTH_POSITION; //short / long / both positions allowed //--- default MACDExpert inputs input int Inp_Signal_MACD_PeriodFast =12; // Fast MACD Period input int Inp_Signal_MACD_PeriodSlow =24; // Slow MACD Period input int Inp_Signal_MACD_PeriodSignal=9; // Signal MACD Period input double Inp_Money_Lot =0.5; // Lot Value input int Inp_Signal_MACD_TakeProfit =50; // Take Profit Value input int Inp_Signal_MACD_StopLoss =20; // Stop Loss Value //+------------------------------------------------------------------+ //| Global expert object | //+------------------------------------------------------------------+ CLongShortExpertModified ExtExpert; //specific designed CExpert Subclass //+------------------------------------------------------------------+ //| Initialization function of the expert | //+------------------------------------------------------------------+ int OnInit(void) { //--- Initializing expert if(!ExtExpert.Init(Symbol(),Period(),Expert_EveryTick,Expert_MagicNumber)) { //--- failed printf(__FUNCTION__+": error initializing expert"); ExtExpert.Deinit(); return(-1); } // Specific parameter controlling which positions are allowed ExtExpert.SetAvailablePositions(Inp_Allowed_Positions); //--- Creation of signal object CSignalMACD *signal=new CSignalMACD; if(signal==NULL) { //--- failed printf(__FUNCTION__+": error creating signal"); ExtExpert.Deinit(); return(-2); } //--- Add signal to expert (will be deleted automatically)) if(!ExtExpert.InitSignal(signal)) { //--- failed printf(__FUNCTION__+": error initializing signal"); ExtExpert.Deinit(); return(-3); } //--- Set signal parameters signal.PeriodFast(Inp_Signal_MACD_PeriodFast); signal.PeriodSlow(Inp_Signal_MACD_PeriodSlow); signal.PeriodSignal(Inp_Signal_MACD_PeriodSignal); signal.TakeLevel(Inp_Signal_MACD_TakeProfit); signal.StopLevel(Inp_Signal_MACD_StopLoss); //--- Check signal parameters if(!signal.ValidationSettings()) { //--- failed printf(__FUNCTION__+": error signal parameters"); ExtExpert.Deinit(); return(-4); } //--- Creation of trailing object CTrailingNone *trailing=new CTrailingNone; if(trailing==NULL) { //--- failed printf(__FUNCTION__+": error creating trailing"); ExtExpert.Deinit(); return(-5); } //--- Add trailing to expert (will be deleted automatically)) if(!ExtExpert.InitTrailing(trailing)) { //--- failed printf(__FUNCTION__+": error initializing trailing"); ExtExpert.Deinit(); return(-6); } //--- Set trailing parameters //--- Check trailing parameters if(!trailing.ValidationSettings()) { //--- failed printf(__FUNCTION__+": error trailing parameters"); ExtExpert.Deinit(); return(-7); } //--- Creation of money object CMoneyFixedLot *money=new CMoneyFixedLot; if(money==NULL) { //--- failed printf(__FUNCTION__+": error creating money"); ExtExpert.Deinit(); return(-8); } //--- Add money to expert (will be deleted automatically)) if(!ExtExpert.InitMoney(money)) { //--- failed printf(__FUNCTION__+": error initializing money"); ExtExpert.Deinit(); return(-9); } //--- Set money parameters money.Lots(Inp_Money_Lot); //--- Check money parameters if(!money.ValidationSettings()) { //--- failed printf(__FUNCTION__+": error money parameters"); ExtExpert.Deinit(); return(-10); } //--- Tuning of all necessary indicators if(!ExtExpert.InitIndicators()) { //--- failed printf(__FUNCTION__+": error initializing indicators"); ExtExpert.Deinit(); return(-11); } //--- succeed return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| Deinitialization function of the expert | //+------------------------------------------------------------------+ void OnDeinit(const int reason) { ExtExpert.Deinit(); } //+------------------------------------------------------------------+ //| Function-event handler "tick" | //+------------------------------------------------------------------+ void OnTick(void) { ExtExpert.OnTick(); } //+------------------------------------------------------------------+ //| Function-event handler "trade" | //+------------------------------------------------------------------+ void OnTrade(void) { ExtExpert.OnTrade(); } //+------------------------------------------------------------------+ //| Function-event handler "timer" | //+------------------------------------------------------------------+ void OnTimer(void) { ExtExpert.OnTimer(); } //+------------------------------------------------------------------+
EA without reverse -> changes in LongShortExpertModified.mqh:
//+------------------------------------------------------------------+ //| LongShortExpertModified.mqh | //| Copyright 2013, jlwarrior | //| https://login.mql5.com/en/users/jlwarrior | //+------------------------------------------------------------------+ #include <Expert\Expert.mqh> //+------------------------------------------------------------------+ //| enumeration to control whether long / short or both positions are| //| allowed to be opened | //+------------------------------------------------------------------+ //--- enum ENUM_AVAILABLE_POSITIONS { LONG_POSITION, SHORT_POSITION, BOTH_POSITION }; //+------------------------------------------------------------------+ //| Class CLongShortExpertModified. | //| Purpose: Allows only long / short / both positions to be opened | //| Derives from class CExpert (modifies only Open / Reverse methods)| //+------------------------------------------------------------------+ class CLongShortExpertModified : public CExpert { protected: ENUM_AVAILABLE_POSITIONS m_positions; public: CLongShortExpertModified(void); ~CLongShortExpertModified(void); virtual bool CheckOpen(void); void SetAvailablePositions(ENUM_AVAILABLE_POSITIONS newValue){m_positions=newValue;}; }; //+------------------------------------------------------------------+ //| Constructor | //+------------------------------------------------------------------+ CLongShortExpertModified ::CLongShortExpertModified(void) : m_positions(BOTH_POSITION) { } //+------------------------------------------------------------------+ //| Destructor | //+------------------------------------------------------------------+ CLongShortExpertModified ::~CLongShortExpertModified(void) { } //+------------------------------------------------------------------+ //| Check open for allowed positions | //+------------------------------------------------------------------+ bool CLongShortExpertModified :: CheckOpen() { switch(m_positions) { case LONG_POSITION: return CheckOpenLong(); //check only new long positions case SHORT_POSITION: return CheckOpenShort(); //check only new short positions default: return CExpert::CheckOpen(); //default behaviour } } //+------------------------------------------------------------------+
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Long/Short only EA based on CExpert:
Current Expert Advisor allows to choose opening only long/short (or both) positions based on an extension of the CExpert class.
Two different files are provided:
Author: Jose