CHOWithFlat

//+------------------------------------------------------------------+
//|                                                  CHOWithFlat.mq5 |
//|                                 Copyright © 2014, Powered byStep | 
//|                                                                  | 
//+------------------------------------------------------------------+
#property description "Money Flow Index With Flat"
//---- àâòîðñòâî èíäèêàòîðà
#property copyright "Copyright © 2014, Powered byStep"
//---- àâòîðñòâî èíäèêàòîðà
#property link      ""
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.00"
//---- îòðèñîâêà èíäèêàòîðà â îòäåëüíîì îêíå
#property indicator_separate_window
//---- äëÿ ðàñ÷¸òà è îòðèñîâêè èíäèêàòîðà èñïîëüçîâàíî òðè áóôåðà
#property indicator_buffers 3
//---- èñïîëüçîâàíî äâà ãðàôè÷åñêèõ ïîñòðîåíèÿ
#property indicator_plots   2
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà 1            |
//+----------------------------------------------+
//--- îòðèñîâêà èíäèêàòîðà â âèäå öâåòíîãî îáëàêà
#property indicator_type1   DRAW_FILLING
//--- â êà÷åñòâå öâåòîâ èíäèêàòîðà èñïîëüçîâàíû
#property indicator_color1  clrDodgerBlue,clrOrange
//---- îòîáðàæåíèå áû÷åé ìåòêè èíäèêàòîðà
#property indicator_label1  "CHO Oscillator"
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà 2            |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 2 â âèäå ëèíèè
#property indicator_type2   DRAW_LINE
//---- â êà÷åñòâå öâåòà ìåäâåæüåé ëèíèè èíäèêàòîðà èñïîëüçîâàí ñåðûé öâåò
#property indicator_color2  clrSlateGray
//---- ëèíèÿ èíäèêàòîðà 2 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style2  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà 2 ðàâíà 5
#property indicator_width2  5
//---- îòîáðàæåíèå ìåäâåæüåé ìåòêè èíäèêàòîðà
#property indicator_label2  "Flat"
//+----------------------------------------------+
//| Ïàðàìåòðû îòîáðàæåíèÿ ãîðèçîíòàëüíûõ óðîâíåé |
//+----------------------------------------------+
#property indicator_level1 0.0
#property indicator_levelcolor clrGray
#property indicator_levelstyle STYLE_DASHDOTDOT
//+----------------------------------------------+
//|  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
  };
//+----------------------------------------------+
//|  îáúÿâëåíèå êîíñòàíò                         |
//+----------------------------------------------+
#define RESET 0 // êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷¸ò èíäèêàòîðà
//+----------------------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà                 |
//+----------------------------------------------+
input uint                BBPeriod=20;                 // Ïåðèîä äëÿ ðàñ÷åòà Áîëëèíäæåðà
input double              StdDeviation=2.0;            // Äåâèàöèÿ Áîëëèíäæåðà
input ENUM_APPLIED_PRICE  applied_price=PRICE_CLOSE;   // Òèï öåíû Áîëëèíäæåðà
input Smooth_Method XMA_Method=MODE_SMA;               // ìåòîä óñðåäíåíèÿ
input uint FastPeriod=3;                               // ïåðèîä áûñòðîãî óñðåäíåíèÿ
input uint SlowPeriod=10;                              // ìåòîä ìåäëåííîãî óñðåäíåíèÿ
input int XPhase=15;                                   // ïàðàìåòð ñãëàæèâàíèÿ,
//---- äëÿ JJMA èçìåíÿþùèéñÿ â ïðåäåëàõ -100 ... +100, âëèÿåò íà êà÷åñòâî ïåðåõîäíîãî ïðîöåññà;
input ENUM_APPLIED_VOLUME VolumeType=VOLUME_TICK;      // îáú¸ì 
input uint                MAPeriod=13;                 // Ïåðèîä óñðåäíåíèÿ ñèãíàëüíîé ëèíèè
input  ENUM_MA_METHOD     MAType=MODE_SMA;             // Òèï óñðåäíåíèÿ ñèãíàëüíîé ëèíèè
input uint                flat=100;                    // âåëè÷èíà ôëýòà â ïóíêòàõ
input int                 Shift=0;                     // ñäâèã èíäèêàòîðà ïî ãîðèçîíòàëè â áàðàõ 
//+----------------------------------------------+
//---- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå áóäóò â 
// äàëüíåéøåì èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
double IndBuffer[];
double SignalBuffer[];
double IndBuffer1[];
//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ äëÿ õåíäëîâ èíäèêàòîðîâ
int BB_Handle,CHO_Handle,MA_Handle;
//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
int min_rates_total;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+  
int OnInit()
  {
//---- Èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
   min_rates_total=int(MathMax(MathMax(BBPeriod,FastPeriod),SlowPeriod));

//---- ïîëó÷åíèå õåíäëà èíäèêàòîðà iBands
   BB_Handle=iBands(Symbol(),PERIOD_CURRENT,BBPeriod,0,StdDeviation,applied_price);
   if(BB_Handle==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iBands");
      return(INIT_FAILED);
     }
//---- ïîëó÷åíèå õåíäëà èíäèêàòîðà iCHO
   CHO_Handle=iCustom(Symbol(),PERIOD_CURRENT,"CHO",XMA_Method,FastPeriod,SlowPeriod,XPhase,VolumeType);
   if(CHO_Handle==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iCHO");
      return(INIT_FAILED);
     }
//---- ïîëó÷åíèå õåíäëà èíäèêàòîðà iMA
   MA_Handle=iMA(Symbol(),PERIOD_CURRENT,MAPeriod,0,MAType,CHO_Handle);
   if(MA_Handle==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iMA");
      return(INIT_FAILED);
     }

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(0,IndBuffer,INDICATOR_DATA);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(IndBuffer,true);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 1 ïî ãîðèçîíòàëè íà Shift
   PlotIndexSetInteger(0,PLOT_SHIFT,Shift);
//---- 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);

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

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(2,IndBuffer1,INDICATOR_DATA);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(IndBuffer1,true);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 1 ïî ãîðèçîíòàëè íà Shift
   PlotIndexSetInteger(1,PLOT_SHIFT,Shift);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷¸òà îòðèñîâêè èíäèêàòîðà
   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total);
//---- óñòàíîâêà çíà÷åíèé èíäèêàòîðà, êîòîðûå íå áóäóò âèäèìû íà ãðàôèêå
   PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,EMPTY_VALUE);

   IndicatorSetString(INDICATOR_SHORTNAME,"CHOWithFlat");
//--- 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[],     // öåíîâîé ìàññèâ ìàêñèìóìîâ öåíû äëÿ ðàñ÷¸òà èíäèêàòîðà
                const double& low[],      // öåíîâîé ìàññèâ ìèíèìóìîâ öåíû  äëÿ ðàñ÷¸òà èíäèêàòîðà
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[]
                )
  {
//---- ïðîâåðêà êîëè÷åñòâà áàðîâ íà äîñòàòî÷íîñòü äëÿ ðàñ÷¸òà
   if(BarsCalculated(BB_Handle)<rates_total
      || BarsCalculated(CHO_Handle)<rates_total
      || BarsCalculated(MA_Handle)<rates_total
      || rates_total<min_rates_total) return(RESET);

//---- îáúÿâëåíèÿ ëîêàëüíûõ ïåðåìåííûõ 
   int to_copy,limit,bar;
   double MainCHO[],SignCHO[],UpBB[],MainBB[];

//---- 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
     }
   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(BB_Handle,UPPER_BAND,0,to_copy,UpBB)<=0) return(RESET);
   if(CopyBuffer(BB_Handle,BASE_LINE,0,to_copy,MainBB)<=0) return(RESET);
   if(CopyBuffer(CHO_Handle,MAIN_LINE,0,to_copy,MainCHO)<=0) return(RESET);
   if(CopyBuffer(MA_Handle,MAIN_LINE,0,to_copy,SignCHO)<=0) return(RESET);

//---- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ êàê â òàéìñåðèÿõ  
   ArraySetAsSeries(UpBB,true);
   ArraySetAsSeries(MainBB,true);
   ArraySetAsSeries(MainCHO,true);
   ArraySetAsSeries(SignCHO,true);

//---- îñíîâíîé öèêë ðàñ÷¸òà èíäèêàòîðà
   for(bar=limit; bar>=0 && !IsStopped(); bar--)
     {
      double res=(UpBB[bar]-MainBB[bar])/_Point;
      if(res<flat)
        {
         if(MainCHO[bar]>SignCHO[bar])
           {
            IndBuffer[bar]=0.00000001;
            SignalBuffer[bar]=0.00000001;
            IndBuffer1[bar]=0;
           }

         if(MainCHO[bar]<SignCHO[bar])
           {
            IndBuffer[bar]=0.00000001;
            SignalBuffer[bar]=0.00000001;
            IndBuffer1[bar]=0;
           }
        }
      else
        {
         IndBuffer1[bar]=EMPTY_VALUE;
         IndBuffer[bar]=MainCHO[bar];
         SignalBuffer[bar]=SignCHO[bar];
        }
     }
//----     
   return(rates_total);
  }
//+------------------------------------------------------------------+