XChannel_HTF

//+------------------------------------------------------------------+ 
//|                                                 XChannel_HTF.mq5 | 
//|                               Copyright © 2016, Nikolay Kositsin | 
//|                              Khabarovsk,   farria@mail.redcom.ru | 
//+------------------------------------------------------------------+ 
#property copyright "Copyright © 2016, Nikolay Kositsin"
#property link "farria@mail.redcom.ru"
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.00"
#property description "Èíäèêàòîð XChannel ñ âîçìîæíîñòüþ èçìåíåíèÿ òàéìôðåéìà âî âõîäíûõ ïàðàìåòðàõ"
//---- îòðèñîâêà èíäèêàòîðà â ãëàâíîì îêíå
#property indicator_chart_window 
//+----------------------------------------------+
//|  îáúÿâëåíèå êîíñòàíò                         |
//+----------------------------------------------+
#define RESET 0                                      // Êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷¸ò èíäèêàòîðà
#define INDICATOR_NAME "XChannel"                    // Êîíñòàíòà äëÿ èìåíè èíäèêàòîðà
#define SIZE 2                                       // Êîíñòàíòà äëÿ êîëè÷åñòâà âûçîâîâ ôóíêöèè CountIndicator
#define INDTOTAL 1                                   // Êîíñòàíòà äëÿ êîëè÷åñòâà îòîáðàæàåìûõ ìóâèíãîâ
//+----------------------------------------------+
//---- êîëè÷åñòâî èíäèêàòîðíûõ áóôåðîâ
#property indicator_buffers SIZE 
//---- èñïîëüçîâàíî âñåãî îäíî ãðàôè÷åñêîå ïîñòðîåíèå
#property indicator_plots   INDTOTAL
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà              |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà â âèäå öâåòíîãî îáëàêà
#property indicator_type1   DRAW_FILLING
//---- â êà÷åñòâå öâåòà èíäèêàòîðà èñïîëüçîâàí
#property indicator_color1  clrYellow
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1 "Up;Down"
//+----------------------------------------------+
//|  îáúÿâëåíèå ïåðå÷èñëåíèé                     |
//+----------------------------------------------+
enum Smooth_Method
  {
   MODE_SMA_,  //SMA
   MODE_EMA_,  //EMA
   MODE_SMMA_, //SMMA
   MODE_LWMA_, //LWMA
   MODE_JJMA,  //JJMA
   MODE_JurX,  //JurX
   MODE_ParMA, //ParMA
   MODE_T3,    //T3
   MODE_VIDYA, //VIDYA
   MODE_AMA,   //AMA
  };
//+----------------------------------------------+
//|  ÂÕÎÄÍÛÅ ÏÀÐÀÌÅÒÐÛ ÈÍÄÈÊÀÒÎÐÀ                |
//+----------------------------------------------+ 
input ENUM_TIMEFRAMES TimeFrame=PERIOD_H4;  // Ïåðèîä ãðàôèêà èíäèêàòîðà
//+----------------------------------------------+
//|  ÂÕÎÄÍÛÅ ÏÀÐÀÌÅÒÐÛ ÈÍÄÈÊÀÒÎÐÀ                |
//+----------------------------------------------+  
input Smooth_Method XMA_Method=MODE_SMA_;   //ìåòîä óñðåäíåíèÿ
input uint XLength=20;                      //ãëóáèíà óñðåäíåíèÿ                    
input int XPhase=15;                        //ïàðàìåòð óñðåäíåíèÿ,
//---- äëÿ JJMA èçìåíÿþùèéñÿ â ïðåäåëàõ -100 ... +100, âëèÿåò íà êà÷åñòâî ïåðåõîäíîãî ïðîöåññà;
//---- Äëÿ VIDIA ýòî ïåðèîä CMO, äëÿ AMA ýòî ïåðèîä ìåäëåííîé ñêîëüçÿùåé
input int Delta=100;                        //ñìåùåíèå êàíàëîâ ïî âåðòèêàëè â ïóíêòàõ
input int Shift=0;                          // Ñäâèã èíäèêàòîðà ïî ãîðèçîíòàëè â áàðàõ    
//+----------------------------------------------+
//---- Îáúÿâëåíèå ñòðèíãîâ
string Symbol_,Word;
//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
int min_rates_total;
//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ äëÿ õåíäëîâ èíäèêàòîðîâ
int Ind_Handle;
//+------------------------------------------------------------------+
//|  Ïîëó÷åíèå òàéìôðåéìà â âèäå ñòðîêè                              |
//+------------------------------------------------------------------+
string GetStringTimeframe(ENUM_TIMEFRAMES timeframe)
  {return(StringSubstr(EnumToString(timeframe),7,-1));}
//+------------------------------------------------------------------+
//|  Êëàññ èíäèêàòîðíûõ áóôåðîâ                                      |
//+------------------------------------------------------------------+  
class CIndBuffers
  {
   //---
public:
   double            m_LineBuffer[];
   //--- 
  };
//--- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå â äàëüíåéøåì
//--- áóäóò èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
CIndBuffers Ind[SIZE];
//+------------------------------------------------------------------+    
//| Custom indicator initialization function                         | 
//+------------------------------------------------------------------+  
int OnInit()
  {
//---- ïðîâåðêà ïåðèîäîâ ãðàôèêîâ íà êîððåêòíîñòü
   if(!TimeFramesCheck(INDICATOR_NAME,TimeFrame)) return(INIT_FAILED);

//---- Èíèöèàëèçàöèÿ ïåðåìåííûõ 
   min_rates_total=2;
   Symbol_=NULL;
   Word=INDICATOR_NAME+" èíäèêàòîð: "+Symbol_+StringSubstr(EnumToString(_Period),7,-1);

//---- ïîëó÷åíèå õåíäëà èíäèêàòîðà XChannel
   Ind_Handle=iCustom(Symbol(),TimeFrame,INDICATOR_NAME,XMA_Method,XLength,XPhase,Delta,0);
   if(Ind_Handle==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà XChannel");
      return(INIT_FAILED);
     }

//---- Èíèöèàëèçàöèÿ èíäèêàòîðîâ
   for(int count=0; count<INDTOTAL; count++) IndInit(count,EMPTY_VALUE,min_rates_total,Shift);
//---- Èíèöèàëèçàöèÿ èíäèêàòîðíîãî áóôåðîâ
   for(int count=0; count<SIZE; count++) BuffInit(count,Ind[count].m_LineBuffer);
//---- ñîçäàíèå èìåíè äëÿ îòîáðàæåíèÿ â îòäåëüíîì ïîäîêíå è âî âñïëûâàþùåé ïîäñêàçêå
   string shortname;
   StringConcatenate(shortname,INDICATOR_NAME,"(",GetStringTimeframe(TimeFrame),")");
   IndicatorSetString(INDICATOR_SHORTNAME,shortname);
//---- îïðåäåëåíèå òî÷íîñòè îòîáðàæåíèÿ çíà÷åíèé èíäèêàòîðà
   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
//---- çàâåðøåíèå èíèöèàëèçàöèè
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+  
//| Custom iteration function                                        | 
//+------------------------------------------------------------------+  
int OnCalculate(
                const int rates_total,    // êîëè÷åñòâî èñòîðèè â áàðàõ íà òåêóùåì òèêå
                const int prev_calculated,// êîëè÷åñòâî èñòîðèè â áàðàõ íà ïðåäûäóùåì òèêå
                const datetime &time[],
                const double &open[],
                const double &high[],
                const double &low[],
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[]
                )
  {
//---- ïðîâåðêà êîëè÷åñòâà áàðîâ íà äîñòàòî÷íîñòü äëÿ ðàñ÷¸òà
   if(rates_total<min_rates_total) return(RESET);
   if(BarsCalculated(Ind_Handle)<Bars(Symbol(),TimeFrame)) return(prev_calculated);

//---- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ êàê â òàéìñåðèÿõ  
   ArraySetAsSeries(time,true);

//----
   if(!CountIndicator(0,NULL,TimeFrame,Ind_Handle,time,rates_total,prev_calculated,min_rates_total)) return(RESET);
//----     
   return(rates_total);
  }
//----
//+------------------------------------------------------------------+
//| Èíèöèàëèçàöèÿ èíäèêàòîðà                                         |
//+------------------------------------------------------------------+    
void IndInit(int Number,double Empty_Value,int Draw_Begin,int nShift)
  {
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷¸òà îòðèñîâêè èíäèêàòîðà
   PlotIndexSetInteger(Number,PLOT_DRAW_BEGIN,Draw_Begin);
//---- óñòàíîâêà çíà÷åíèé èíäèêàòîðà, êîòîðûå íå áóäóò âèäèìû íà ãðàôèêå
   PlotIndexSetDouble(Number,PLOT_EMPTY_VALUE,Empty_Value);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà ïî ãîðèçîíòàëè íà Shift
   PlotIndexSetInteger(Number,PLOT_SHIFT,nShift);
//----
  }
//+------------------------------------------------------------------+
//| Èíèöèàëèçàöèÿ èíäèêàòîðíîãî áóôåðà                               |
//+------------------------------------------------------------------+    
void BuffInit(int Number,double &Buffer[])
  {
//---- ïðåâðàùåíèå äèíàìè÷åñêèõ ìàññèâîâ â èíäèêàòîðíûå áóôåðû
   SetIndexBuffer(Number,Buffer,INDICATOR_DATA);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðàõ êàê â òàéìñåðèÿõ
   ArraySetAsSeries(Buffer,true);
//----
  }
//+------------------------------------------------------------------+
//| CountLine                                                        |
//+------------------------------------------------------------------+
bool CountIndicator(
                    uint     Numb,            // Íîìåð ôóíêöèè CountLine ïî ñïèñêó â êîäå èíäèêàòîðà (ñòàðòîâûé íîìåð - 0)
                    string   Symb,            // Ñèìâîë ãðàôèêà
                    ENUM_TIMEFRAMES TFrame,   // Ïåðèîä ãðàôèêà
                    int      IndHandle,       // Õåíäë îáðàáàòûâàåìîãî èíäèêàòîðà
                    const datetime& iTime[],  // Òàéìñåðèÿ âðåìåíè
                    const int Rates_Total,    // êîëè÷åñòâî èñòîðèè â áàðàõ íà òåêóùåì òèêå
                    const int Prev_Calculated,// êîëè÷åñòâî èñòîðèè â áàðàõ íà ïðåäûäóùåì òèêå
                    const int Min_Rates_Total // ìèíèìàëüíîå êîëè÷åñòâî èñòîðèè â áàðàõ äëÿ ðàñ÷¸òà
                    )
//---- 
  {
//----
   static int LastCountBar[SIZE];
   datetime IndTime[1];
   int limit;

//---- ðàñ÷¸òû íåîáõîäèìîãî êîëè÷åñòâà êîïèðóåìûõ äàííûõ è
//ñòàðòîâîãî íîìåðà limit äëÿ öèêëà ïåðåñ÷¸òà áàðîâ
   if(Prev_Calculated>Rates_Total || Prev_Calculated<=0)// ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷¸òà èíäèêàòîðà
     {
      limit=Rates_Total-Min_Rates_Total-1; // ñòàðòîâûé íîìåð äëÿ ðàñ÷¸òà âñåõ áàðîâ
      LastCountBar[Numb]=limit;
     }
   else limit=LastCountBar[Numb]+Rates_Total-Prev_Calculated; // ñòàðòîâûé íîìåð äëÿ ðàñ÷¸òà íîâûõ áàðîâ 

//---- îñíîâíîé öèêë ðàñ÷¸òà èíäèêàòîðà
   for(int bar=limit; bar>=0 && !IsStopped(); bar--)
     {
      //---- îáíóëèì ñîäåðæèìîå èíäèêàòîðíûõ áóôåðîâ äî ðàñ÷¸òà
      for(int count=0; count<INDTOTAL; count++) Ind[count].m_LineBuffer[bar]=EMPTY_VALUE;

      //---- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâ IndTime
      if(CopyTime(Symbol_,TFrame,iTime[bar],1,IndTime)<=0) return(RESET);

      if(iTime[bar]>=IndTime[0] && iTime[bar+1]<IndTime[0])
        {
         LastCountBar[Numb]=bar;
         
         for(int count=0; count<SIZE; count++)
           {
            double Arr[1];
            //---- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâû
            if(CopyBuffer(IndHandle,count,iTime[bar],1,Arr)<=0) return(RESET);
            Ind[count].m_LineBuffer[bar]=Arr[0];
           }
        }
      else for(int count=0; count<SIZE; count++) Ind[count].m_LineBuffer[bar]=Ind[count].m_LineBuffer[bar+1];
     }
//----     
   return(true);
  }
//+------------------------------------------------------------------+
//| TimeFramesCheck()                                                |
//+------------------------------------------------------------------+    
bool TimeFramesCheck(
                     string IndName,
                     ENUM_TIMEFRAMES TFrame //Ïåðèîä ãðàôèêà èíäèêàòîðà
                     )
//TimeFramesCheck(INDICATOR_NAME,TimeFrame)
  {
//---- ïðîâåðêà ïåðèîäîâ ãðàôèêîâ íà êîððåêòíîñòü
   if(TFrame<Period() && TFrame!=PERIOD_CURRENT)
     {
      Print("Ïåðèîä ãðàôèêà äëÿ èíäèêàòîðà "+IndName+" íå ìîæåò áûòü ìåíüøå ïåðèîäà òåêóùåãî ãðàôèêà!");
      Print("Ñëåäóåò èçìåíèòü âõîäíûå ïàðàìåòðû èíäèêàòîðà!");
      return(RESET);
     }
//----
   return(true);
  }
//+------------------------------------------------------------------+