RAVI_Histogram_HTF

//+------------------------------------------------------------------+ 
//|                                           RAVI_Histogram_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   "1.60"
//---- îòðèñîâêà èíäèêàòîðà â îòäåëüíîì îêíå
#property indicator_separate_window
//---- êîëè÷åñòâî èíäèêàòîðíûõ áóôåðîâ 2
#property indicator_buffers 2 
//---- èñïîëüçîâàíî âñåãî îäíî ãðàôè÷åñêèå ïîñòðîåíèå
#property indicator_plots   1
//+-----------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà   |
//+-----------------------------------+
//---- îòðèñîâêà èíäèêàòîðà â âèäå ïÿòèöâåòíîé ãèñòîãðàììû
#property indicator_type1 DRAW_COLOR_HISTOGRAM
//---- â êà÷åñòâå îêðàñêè ãèñòîãðàììû èñïîëüçîâàíî ïÿòü öâåòîâ
#property indicator_color1 clrLime,clrDodgerBlue,clrGray,clrDeepPink,clrMagenta
//---- ëèíèÿ èíäèêàòîðà - ñïëîøíàÿ
#property indicator_style1 STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà ðàâíà 4
#property indicator_width1 4
//---- îòîáðàæåíèå ëýéáû èíäèêàòîðà
#property indicator_label1 "RAVI_Histogram HTF"
//+----------------------------------------------+
//|  îáúÿâëåíèå êîíñòàíò                         |
//+----------------------------------------------+
#define RESET 0 // Êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷¸ò èíäèêàòîðà
//+----------------------------------------------+
//|  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 ïåðå÷èñëåíèé                     |
//+----------------------------------------------+
enum Applied_price_ //Òèï êîíñòàíòû
  {
   PRICE_CLOSE_ = 1,     //Close
   PRICE_OPEN_,          //Open
   PRICE_HIGH_,          //High
   PRICE_LOW_,           //Low
   PRICE_MEDIAN_,        //Median Price (HL/2)
   PRICE_TYPICAL_,       //Typical Price (HLC/3)
   PRICE_WEIGHTED_,      //Weighted Close (HLCC/4)
   PRICE_SIMPL_,         //Simpl Price (OC/2)
   PRICE_QUARTER_,       //Quarted Price (HLOC/4) 
   PRICE_TRENDFOLLOW0_,  //TrendFollow_1 Price 
   PRICE_TRENDFOLLOW1_,  //TrendFollow_2 Price
   PRICE_DEMARK_         //Demark Price
  };
//+----------------------------------------------+
//|  ÂÕÎÄÍÛÅ ÏÀÐÀÌÅÒÐÛ ÈÍÄÈÊÀÒÎÐÀ                |
//+----------------------------------------------+
input ENUM_TIMEFRAMES TimeFrame=PERIOD_H4;//ïåðèîä ãðàôèêà
input Smooth_Method FastMethod=MODE_EMA_; //ìåòîä áûñòðîãî óñðåäíåíèÿ
input uint FastLength=7; //ãëóáèíà áûñòðîãî óñðåäíåíèÿ          
input int FastPhase=15; //ïàðàìåòð áûñòðîãî 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 Smooth_Method SlowMethod=MODE_EMA_; //ìåòîä ìåäëåííîãî óñðåäíåíèÿ
input uint SlowLength=65; //ãëóáèíà ìåäëåííîãî óñðåäíåíèÿ                 
input int SlowPhase=15; //ïàðàìåòð ìåäëåííîãî 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 Applied_price_ IPC=PRICE_CLOSE_;//öåíîâàÿ êîíñòàíòà
input int Shift=0; // ñäâèã èíäèêàòîðà ïî ãîðèçîíòàëè â áàðàõ 
input double ExtraHighLevel=+0.3;                     // óðîâåíü ìàêñèìàëüíîãî òðåíäà ââåðõ
input double HighLevel=+0.1;                          // óðîâåíü ñèëüíîãî òðåíäà ââåðõ
input double LowLevel=-0.1;                           // óðîâåíü ñëàáîãî òðåíäà âíèç
input double ExtraLowLevel=-0.3;                      // óðîâåíü ìàêñèìàëüíîãî òðåíäà âíèç
input bool ReDraw=true; //ïîâòîð îòîáðàæåíèÿ èíôîìàöèè íà ïóñòûõ áàðàõ
//+----------------------------------------------+
//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
int min_rates_total;
//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ äëÿ õåíäëîâ èíäèêàòîðîâ
int Ind_Handle;
//---- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå áóäóò â 
// äàëüíåéøåì èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
double IndBuffer[],ColorIndBuffer[];
//+------------------------------------------------------------------+
//|  Ïîëó÷åíèå ñòðèíãîâîãî òàéìôðåéìà                                |
//+------------------------------------------------------------------+
string GetStringTimeframe(ENUM_TIMEFRAMES timeframe)
  {
//----
   return(StringSubstr(EnumToString(timeframe),7,-1));
//----
  }
//+------------------------------------------------------------------+    
//| Ind indicator initialization function                            | 
//+------------------------------------------------------------------+  
int OnInit()
  {
//---- Èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
   min_rates_total=3;

//---- ïðîâåðêà ïåðèîäîâ ãðàôèêîâ íà êîððåêòíîñòü
   if(TimeFrame<Period() && TimeFrame!=PERIOD_CURRENT)
     {
      Print("Ïåðèîä ãðàôèêà äëÿ èíäèêàòîðà RAVI_Histogram íå ìîæåò áûòü ìåíüøå ïåðèîäà òåêóùåãî ãðàôèêà");
      return(INIT_FAILED);
     }

//---- ïîëó÷åíèå õåíäëà èíäèêàòîðà RAVI_Histogram
   Ind_Handle=iCustom(Symbol(),TimeFrame,"RAVI_Histogram",FastMethod,FastLength,FastPhase,SlowMethod,
                      SlowLength,SlowPhase,IPC,0,ExtraHighLevel,HighLevel,LowLevel,ExtraLowLevel);
   if(Ind_Handle==INVALID_HANDLE)
     {
      Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà RAVI_Histogram");
      return(INIT_FAILED);
     }

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

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â öâåòîâîé, èíäåêñíûé áóôåð   
   SetIndexBuffer(1,ColorIndBuffer,INDICATOR_COLOR_INDEX);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷¸òà îòðèñîâêè èíäèêàòîðà
   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(ColorIndBuffer,true);
//---- èíèöèàëèçàöèè ïåðåìåííîé äëÿ êîðîòêîãî èìåíè èíäèêàòîðà
   string shortname;
   StringConcatenate(shortname,"RAVI_Histogram HTF( ",GetStringTimeframe(TimeFrame)," )");
//--- ñîçäàíèå èìåíè äëÿ îòîáðàæåíèÿ â îòäåëüíîì ïîäîêíå è âî âñïëûâàþùåé ïîäñêàçêå
   IndicatorSetString(INDICATOR_SHORTNAME,shortname);
//--- îïðåäåëåíèå òî÷íîñòè îòîáðàæåíèÿ çíà÷åíèé èíäèêàòîðà
   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
//---- êîëè÷åñòâî  ãîðèçîíòàëüíûõ óðîâíåé èíäèêàòîðà 5  
   IndicatorSetInteger(INDICATOR_LEVELS,5);
//---- çíà÷åíèÿ ãîðèçîíòàëüíûõ óðîâíåé èíäèêàòîðà   
   IndicatorSetDouble(INDICATOR_LEVELVALUE,0,ExtraHighLevel);
   IndicatorSetDouble(INDICATOR_LEVELVALUE,1,HighLevel);
   IndicatorSetDouble(INDICATOR_LEVELVALUE,2,0.0);
   IndicatorSetDouble(INDICATOR_LEVELVALUE,3,LowLevel);
   IndicatorSetDouble(INDICATOR_LEVELVALUE,4,ExtraLowLevel);
//---- â êà÷åñòâå öâåòîâ ëèíèé ãîðèçîíòàëüíûõ óðîâíåé èñïîëüçîâàíû 
   IndicatorSetInteger(INDICATOR_LEVELCOLOR,0,clrBlue);
   IndicatorSetInteger(INDICATOR_LEVELCOLOR,1,clrDodgerBlue);
   IndicatorSetInteger(INDICATOR_LEVELCOLOR,2,clrGray);
   IndicatorSetInteger(INDICATOR_LEVELCOLOR,3,clrRed);
   IndicatorSetInteger(INDICATOR_LEVELCOLOR,4,clrMagenta);
//---- â ëèíèè ãîðèçîíòàëüíîãî óðîâíÿ èñïîëüçîâàí êîðîòêèé øòðèõ-ïóíêòèð  
   IndicatorSetInteger(INDICATOR_LEVELSTYLE,0,STYLE_DASHDOTDOT);
   IndicatorSetInteger(INDICATOR_LEVELSTYLE,1,STYLE_DASHDOTDOT);
   IndicatorSetInteger(INDICATOR_LEVELSTYLE,2,STYLE_SOLID);
   IndicatorSetInteger(INDICATOR_LEVELSTYLE,3,STYLE_DASHDOTDOT);
   IndicatorSetInteger(INDICATOR_LEVELSTYLE,4,STYLE_DASHDOTDOT);
//---- çàâåðøåíèå èíèöèàëèçàöèè
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+  
//| Ind 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);

//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ
   int limit,bar;
//---- Îáúÿâëåíèå ïåðåìåííûõ ñ ïëàâàþùåé òî÷êîé  
   double Ind[1],Col[1];
   datetime IndTime[1];
   static uint LastCountBar;

//---- 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=rates_total;
     }
   else limit=int(LastCountBar)+rates_total-prev_calculated; // ñòàðòîâûé íîìåð äëÿ ðàñ÷¸òà íîâûõ áàðîâ 

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

//---- Îñíîâíîé öèêë ðàñ÷¸òà èíäèêàòîðà
   for(bar=limit; bar>=0 && !IsStopped(); bar--)
     {
      //---- îáíóëèì ñîäåðæèìîå èíäèêàòîðíûõ áóôåðîâ äî ðàñ÷¸òà
      IndBuffer[bar]=EMPTY_VALUE;
      ColorIndBuffer[bar]=0;

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

      if(time[bar]>=IndTime[0] && time[bar+1]<IndTime[0])
        {
         LastCountBar=bar;

         //---- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâû
         if(CopyBuffer(Ind_Handle,0,time[bar],1,Ind)<=0) return(RESET);
         if(CopyBuffer(Ind_Handle,1,time[bar],1,Col)<=0) return(RESET);

         //---- Çàãðóçêà ïîëó÷åííûõ çíà÷åíèé â èíäèêàòîðíûå áóôåðû
         IndBuffer[bar]=Ind[0];
         ColorIndBuffer[bar]=Col[0];
        }

      if(ReDraw)
        {
         if(IndBuffer[bar+1]!=EMPTY_VALUE && IndBuffer[bar]==EMPTY_VALUE)
           {
            IndBuffer[bar]=IndBuffer[bar+1];
            ColorIndBuffer[bar]=ColorIndBuffer[bar+1];
           }
        }
     }
//----     
   return(rates_total);
  }
//+------------------------------------------------------------------+