MQLArticles/Utils/FA/Events.mqh

//+------------------------------------------------------------------+
//|                                                       Events.mqh |
//|                                    Niquel y Leo, Copyright 2025. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Niquel y Leo, Copyright 2025"
#property link      "https://www.mql5.com"
#property strict


#ifndef MQLARTICLES_UTILS_FA_EVENTS_MQH
#define MQLARTICLES_UTILS_FA_EVENTS_MQH

//+------------------------------------------------------------------+
//| Include                                                          |
//+------------------------------------------------------------------+
#include "Managers.mqh"

//+------------------------------------------------------------------+
//| Clase base para los eventos basicos                              |
//+------------------------------------------------------------------+
class CAllClassEventsBasic : public CSpecializedManager
 {
protected:
  //--- Impidimos la instanciacion solo ptr.. pero se debe de asignar..
                     CAllClassEventsBasic() {}
public:
                    ~CAllClassEventsBasic() {}

  //--- Eventos basicos
  // Nota: Estos eventos son los basicos
  virtual void       OnNewDay(const datetime curr_time)   {}
  virtual void       OnNewWeek(const datetime curr_time)  {}
  virtual void       OnNewMonth(const datetime curr_time) {}
 };


//+------------------------------------------------------------------+
//| Clase base para los eventos                                      |
//+------------------------------------------------------------------+
#define BASICEVENT_REG_FLAG_ON_NEW_DAY  (1)
#define BASICEVENT_REG_FLAG_ON_NEW_WEEK (2)
#define BASICEVENT_REG_FLAG_ON_NEW_MON  (4)

//---
#define BASICEVENT_REG_ALL_FLAG (BASICEVENT_REG_FLAG_ON_NEW_DAY|BASICEVENT_REG_FLAG_ON_NEW_WEEK|BASICEVENT_REG_FLAG_ON_NEW_MON)

#define BASICEVENT_LFLAG_FREE (1)
#define BASICEVENT_LFLAG_INIT (2)


//---
class CBasicEvents
 {
private:

  static uint8_t       m_flags;
  static CAllClassEventsBasic* m_on_new_day[];
  static int                m_on_new_day_size;

  static CAllClassEventsBasic* m_on_new_week[];
  static int                m_on_new_week_size;

  static CAllClassEventsBasic* m_on_new_mon[];
  static int                m_on_new_mon_size;

  //---
  static void        RemoveFromArrayFast(CAllClassEventsBasic* &array[], int &size, CAllClassEventsBasic* &ptr);

public:
                     CBasicEvents(void) {}
                    ~CBasicEvents(void) {}

  //--- Registrar
  static void        Register(CAllClassEventsBasic* ptr, const uint8_t flags);
  static void        RegisterEvent(CAllClassEventsBasic* ptr, const uint8_t event);

  static void        Unregister(CAllClassEventsBasic* ptr, const uint8_t flags);
  static void        UnregisterEvent(CAllClassEventsBasic* ptr, const uint8_t event);


  //--- Eventos
  static void        OnNewDay(const datetime curr_time);
  static void        OnNewWeek(const datetime curr_time);
  static void        OnNewMonth(const datetime curr_time);

  //---
  static void        Deinit(const int reason);
  static void        Init();

  //---
  static __forceinline bool IsActive() { return m_flags == BASICEVENT_LFLAG_INIT; }
 };


//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
static void CBasicEvents::Init()
 {
//---
  if((m_flags & BASICEVENT_LFLAG_INIT) != 0)
    return;

//---
  m_on_new_day_size  = ArrayResize(m_on_new_day, 0);
  m_on_new_week_size = ArrayResize(m_on_new_week, 0);
  m_on_new_mon_size  = ArrayResize(m_on_new_mon, 0);

//---
  m_flags |= BASICEVENT_LFLAG_INIT;
 }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
static void CBasicEvents::Deinit(const int reason)
 {
  if((m_flags & BASICEVENT_LFLAG_INIT) == BASICEVENT_LFLAG_INIT)
   {
    m_on_new_day_size  = ArrayResize(m_on_new_day, 0);
    m_on_new_week_size = ArrayResize(m_on_new_week, 0);
    m_on_new_mon_size  = ArrayResize(m_on_new_mon, 0);

    //---
    m_flags |= BASICEVENT_LFLAG_FREE;
   }
 }


//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
static void CBasicEvents::RemoveFromArrayFast(CAllClassEventsBasic* &array[], int &size, CAllClassEventsBasic* &ptr)
 {
  for(int i = 0; i < size; i++)
   {
    if(array[i] == ptr)
     {
      array[i] = array[size - 1];
      ArrayResize(array, --size);
      return;
     }
   }
 }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
static void CBasicEvents::Unregister(CAllClassEventsBasic* ptr, const uint8_t flags)
 {
  if(!CheckPointer(ptr))
   {
    FastLog(FUNCION_ACTUAL, WARNING_TEXT, "Invalid pointer for unregister");
    return;
   }

//--- OnNewDay
  if((flags & BASICEVENT_REG_FLAG_ON_NEW_DAY) != 0)
    RemoveFromArrayFast(m_on_new_day, m_on_new_day_size, ptr);

//--- OnNewWeek
  if((flags & BASICEVENT_REG_FLAG_ON_NEW_WEEK) != 0)
    RemoveFromArrayFast(m_on_new_week, m_on_new_week_size, ptr);

//--- OnNewMonth
  if((flags & BASICEVENT_REG_FLAG_ON_NEW_MON) != 0)
    RemoveFromArrayFast(m_on_new_mon, m_on_new_mon_size, ptr);
 }

//+------------------------------------------------------------------+
static void CBasicEvents::UnregisterEvent(CAllClassEventsBasic *ptr, const uchar event)
 {
  if(!CheckPointer(ptr))
   {
    FastLog(FUNCION_ACTUAL, WARNING_TEXT, "Invalid pointer for unregister");
    return;
   }

//--- OnNewDay
  if(event == BASICEVENT_REG_FLAG_ON_NEW_DAY)
    RemoveFromArrayFast(m_on_new_day, m_on_new_day_size, ptr);

//--- OnNewWeek
  else
    if(event ==   BASICEVENT_REG_FLAG_ON_NEW_WEEK)
      RemoveFromArrayFast(m_on_new_week, m_on_new_week_size, ptr);
    //--- OnNewMonth
    else
      if(event == BASICEVENT_REG_FLAG_ON_NEW_MON)
        RemoveFromArrayFast(m_on_new_mon, m_on_new_mon_size, ptr);

 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
static void CBasicEvents::RegisterEvent(CAllClassEventsBasic *ptr, const uchar event)
 {
//---
  if(!CheckPointer(ptr))
   {
    FastLog(FUNCION_ACTUAL, FATAL_ERROR_TEXT, "No se puede registrar puntos invalidos");
    Remover();
    return;
   }

//---
  if(event ==  BASICEVENT_REG_FLAG_ON_NEW_DAY)
   {
    m_on_new_day[ArrayResize(m_on_new_day, (++m_on_new_day_size)) - 1 ] = ptr;
   }
//---
  else
    if(event ==  BASICEVENT_REG_FLAG_ON_NEW_WEEK)
     {
      m_on_new_week[ArrayResize(m_on_new_week, (++m_on_new_week_size)) - 1 ] = ptr;
     }
    //---
    else
      if(event ==  BASICEVENT_REG_FLAG_ON_NEW_MON)
       {
        m_on_new_mon[ArrayResize(m_on_new_mon, (++m_on_new_mon_size)) - 1 ] = ptr;
       }
 }


//+------------------------------------------------------------------+
static void CBasicEvents::Register(CAllClassEventsBasic *ptr, const uint8_t flags)
 {
//---
  if(!CheckPointer(ptr))
   {
    FastLog(FUNCION_ACTUAL, FATAL_ERROR_TEXT, "No se puede registrar puntos invalidos");
    Remover();
    return;
   }

//---
  if((flags & BASICEVENT_REG_FLAG_ON_NEW_DAY) != 0)
   {
    m_on_new_day[ArrayResize(m_on_new_day, (++m_on_new_day_size)) - 1 ] = ptr;
   }

//---
  if((flags & BASICEVENT_REG_FLAG_ON_NEW_WEEK) != 0)
   {
    m_on_new_week[ArrayResize(m_on_new_week, (++m_on_new_week_size)) - 1 ] = ptr;
   }

//---
  if((flags & BASICEVENT_REG_FLAG_ON_NEW_MON) != 0)
   {
    m_on_new_mon[ArrayResize(m_on_new_mon, (++m_on_new_mon_size)) - 1 ] = ptr;
   }
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
static void CBasicEvents::OnNewDay(const datetime curr_time)
 {
  for(int i = 0; i < m_on_new_day_size; i++)
   {
    m_on_new_day[i].OnNewDay(curr_time);
   }
 }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
static void CBasicEvents::OnNewWeek(const datetime curr_time)
 {
  for(int i = 0; i < m_on_new_week_size; i++)
   {
    m_on_new_week[i].OnNewWeek(curr_time);
   }
 }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
static void CBasicEvents::OnNewMonth(const datetime curr_time)
 {
  for(int i = 0; i < m_on_new_mon_size; i++)
   {
    m_on_new_mon[i].OnNewMonth(curr_time);
   }
 }


//+------------------------------------------------------------------+
CAllClassEventsBasic* CBasicEvents::m_on_new_day[] = {};
int                CBasicEvents::m_on_new_day_size = 0;
//---
CAllClassEventsBasic* CBasicEvents::m_on_new_week[] = {};
int                CBasicEvents::m_on_new_week_size = 0;
//---
CAllClassEventsBasic*CBasicEvents:: m_on_new_mon[] = {};
int                CBasicEvents::m_on_new_mon_size = 0;
//---
uint8_t CBasicEvents::m_flags = 0;



//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
/* ---------- Experts
//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//---

//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
//---

  }
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
//---

  }
//+------------------------------------------------------------------+
//| Timer function                                                   |
//+------------------------------------------------------------------+
void OnTimer()
  {
//---

  }
//+------------------------------------------------------------------+
//| Trade function                                                   |
//+------------------------------------------------------------------+
void OnTrade()
  {
//---

  }
//+------------------------------------------------------------------+
//| TradeTransaction function                                        |
//+------------------------------------------------------------------+
void OnTradeTransaction(const MqlTradeTransaction& trans,
                        const MqlTradeRequest& request,
                        const MqlTradeResult& result)
  {
//---

  }
//+------------------------------------------------------------------+
//| Tester function                                                  |
//+------------------------------------------------------------------+
double OnTester()
  {
//---
   double ret=0.0;
//---

//---
   return(ret);
  }
//+------------------------------------------------------------------+
//| TesterInit function                                              |
//+------------------------------------------------------------------+
void OnTesterInit()
  {
//---

  }
//+------------------------------------------------------------------+
//| TesterPass function                                              |
//+------------------------------------------------------------------+
void OnTesterPass()
  {
//---

  }
//+------------------------------------------------------------------+
//| TesterDeinit function                                            |
//+------------------------------------------------------------------+
void OnTesterDeinit()
  {
//---

  }
//+------------------------------------------------------------------+
//| ChartEvent function                                              |
//+------------------------------------------------------------------+
void OnChartEvent(const int id,
                  const long &lparam,
                  const double &dparam,
                  const string &sparam)
  {
//---

  }
//+------------------------------------------------------------------+
//| BookEvent function                                               |
//+------------------------------------------------------------------+
void OnBookEvent(const string &symbol)
  {
//---

  }

---
[L1, L2, L3, L4]
[0, 2, 3]

---
Eliminar L3
- [L1, L2, L4]
Eliminar indice 2
- [0, 3]



*/
//+------------------------------------------------------------------+
#endif // MQLARTICLES_UTILS_FA_EVENTS_MQH