CronexChaikin

//+------------------------------------------------------------------+
//|                                                CronexChaikin.mq5 |
//|                                        Copyright © 2007, Cronex. |
//|                                       http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property  copyright "Copyright © 2007, Cronex"
#property  link      "http://www.metaquotes.net/"
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.10"
//---- îòðèñîâêà èíäèêàòîðà â îòäåëüíîì îêíå
#property indicator_separate_window 
//---- êîëè÷åñòâî èíäèêàòîðíûõ áóôåðîâ 2
#property indicator_buffers 2 
//---- èñïîëüçîâàíî îäíî ãðàôè÷åñêîå ïîñòðîåíèå
#property indicator_plots   1
//+-----------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà   |
//+-----------------------------------+
//---- îòðèñîâêà èíäèêàòîðà â âèäå öâåòíîãî îáëàêà
#property indicator_type1   DRAW_FILLING
//---- â êà÷åñòâå öâåòîâ èíäèêàòîðà èñïîëüçîâàíû
#property indicator_color1  clrYellowGreen,clrDeepPink
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1  "CronexChaikin"
//+-----------------------------------+
//|  Îïèñàíèå êëàññà CXMA             |
//+-----------------------------------+
#include <SmoothAlgorithms.mqh> 
//+-----------------------------------+

//---- îáúÿâëåíèå ïåðåìåííûõ êëàññà CXMA èç ôàéëà SmoothAlgorithms.mqh
CXMA XMA1,XMA2;
//+-----------------------------------+
//|  îáúÿâëåíèå ïåðå÷èñëåíèé          |
//+-----------------------------------+
/*enum Smooth_Method - ïåðå÷èñëåíèå îáúÿâëåíî â ôàéëå SmoothAlgorithms.mqh
  {
   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
  }; */
//+-----------------------------------+
//|  îáúÿâëåíèå êîíñòàíò              |
//+-----------------------------------+
#define RESET 0 // Êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷¸ò èíäèêàòîðà
//+-----------------------------------+
//|  ÂÕÎÄÍÛÅ ÏÀÐÀÌÅÒÐÛ ÈÍÄÈÊÀÒÎÐÀ     |
//+-----------------------------------+
input ENUM_MA_METHOD ChaikinMethod=MODE_SMA; // ìåòîä óñðåäíåíèÿ Chaikin
input uint ChaikinFastPeriod=3;              // áûñòðûé ïåðèîä Chaikin
input uint ChaikinSlowPeriod=10;             // ìåäëåííûé ïåðèîä Chaikin
input Smooth_Method XMA_Method=MODE_SMA_;    // ìåòîä óñðåäíåíèÿ
input uint FastPeriod=14;                    // ïåðèîä áûñòðîãî óñðåäíåíèÿ
input uint SlowPeriod=25;                    // ìåòîä ìåäëåííîãî óñðåäíåíèÿ
input int XPhase=15;                         // ïàðàìåòð ñãëàæèâàíèÿ,
//---- 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 ENUM_APPLIED_VOLUME VolumeType=VOLUME_TICK;  // îáú¸ì 
//+-----------------------------------+
//---- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå áóäóò â 
// äàëüíåéøåì èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
double ExtABuffer[],ExtBBuffer[];
//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ äëÿ õðàíåíèÿ õåíäëîâ èíäèêàòîðîâ
int Ind_Handle;
//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
int  min_rates_1,min_rates_2,min_rates_total;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
//---- Èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
   min_rates_1=int(ChaikinFastPeriod+ChaikinSlowPeriod);
   min_rates_2=min_rates_1+XMA1.GetStartBars(XMA_Method,FastPeriod,XPhase);
   min_rates_total=min_rates_2+XMA1.GetStartBars(XMA_Method,SlowPeriod,XPhase);

//--- ïîëó÷åíèå õåíäëà èíäèêàòîðà iChaikin
   Ind_Handle=iChaikin(Symbol(),PERIOD_CURRENT,ChaikinFastPeriod,ChaikinSlowPeriod,ChaikinMethod,VolumeType);
   if(Ind_Handle==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iChaikin");
      return(INIT_FAILED);
     }

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(0,ExtABuffer,INDICATOR_DATA);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(ExtABuffer,true);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(1,ExtBBuffer,INDICATOR_DATA);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(ExtBBuffer,true);

//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷¸òà îòðèñîâêè èíäèêàòîðà
   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);
//---- óñòàíîâêà çíà÷åíèé èíäèêàòîðà, êîòîðûå íå áóäóò âèäèìû íà ãðàôèêå
   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,EMPTY_VALUE);

//--- ñîçäàíèå èìåíè äëÿ îòîáðàæåíèÿ â îòäåëüíîì ïîäîêíå è âî âñïëûâàþùåé ïîäñêàçêå
   IndicatorSetString(INDICATOR_SHORTNAME,"CronexChaikin");
//--- îïðåäåëåíèå òî÷íîñòè îòîáðàæåíèÿ çíà÷åíèé èíäèêàòîðà
   IndicatorSetInteger(INDICATOR_DIGITS,0);
//--- çàâåðøåíèå èíèöèàëèçàöèè
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+  
//| Custom indicator 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 || BarsCalculated(Ind_Handle)<rates_total) return(RESET);

//---- îáúÿâëåíèÿ ëîêàëüíûõ ïåðåìåííûõ 
   int to_copy,limit,bar,maxbar1,maxbar2;
//---- Îáúÿâëåíèå ïåðåìåííûõ ñ ïëàâàþùåé òî÷êîé  
   double iInd[];

//---- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ êàê â òàéìñåðèÿõ  
   ArraySetAsSeries(iInd,true);
//----   
   maxbar1=rates_total-min_rates_1-1;
   maxbar2=rates_total-min_rates_2-1;

//---- 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=maxbar1; // ñòàðòîâûé íîìåð äëÿ ðàñ÷¸òà âñåõ áàðîâ
     }
   else limit=rates_total-prev_calculated; // ñòàðòîâûé íîìåð äëÿ ðàñ÷¸òà íîâûõ áàðîâ
//----   
   to_copy=limit+1;

//---- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâû
   if(CopyBuffer(Ind_Handle,0,0,to_copy,iInd)<=0) return(RESET);

//---- ïåðâûé öèêë ðàñ÷¸òà èíäèêàòîðà
   for(bar=limit; bar>=0 && !IsStopped(); bar--)
     {
      ExtABuffer[bar]=XMA1.XMASeries(maxbar1,prev_calculated,rates_total,XMA_Method,XPhase,FastPeriod,iInd[bar],bar,true);
      ExtBBuffer[bar]=XMA2.XMASeries(maxbar2,prev_calculated,rates_total,XMA_Method,XPhase,SlowPeriod,ExtABuffer[bar],bar,true);
     }
//----    
   return(rates_total);
  }
//+------------------------------------------------------------------+