DonchianChannelsCloud_Digit_Grid

//+------------------------------------------------------------------+
//|                             DonchianChannelsCloud_Digit_Grid.mq5 |
//|                         Copyright © 2005, Luis Guilherme Damiani |
//|                                      http://www.damianifx.com.br |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, Luis Guilherme Damiani"
#property link      "http://www.damianifx.com.br"
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.00"
//---- îòðèñîâêà èíäèêàòîðà â ãëàâíîì îêíå
#property indicator_chart_window 
//--- äëÿ ðàñ÷åòà è îòðèñîâêè èíäèêàòîðà èñïîëüçîâàíî ñåìü áóôåðîâ
#property indicator_buffers 7
//--- èñïîëüçîâàíî ïÿòü ãðàôè÷åñêèõ ïîñòðîåíèé
#property indicator_plots   5
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè îáëàêà                  |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà â âèäå öâåòíîãî îáëàêà
#property indicator_type1   DRAW_FILLING
//---- â êà÷åñòâå öâåòà îáëàêà èñïîëüçîâàí LightSkyBlue
#property indicator_color1  clrLightSkyBlue
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1  "Upper Cloud"
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè âåðõíåé ãðàíèöû         |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 2 â âèäå ëèíèè
#property indicator_type2   DRAW_LINE
//---- â êà÷åñòâå öâåòà áû÷åé ëèíèè èíäèêàòîðà èñïîëüçîâàí DodgerBlue
#property indicator_color2  clrDodgerBlue
//---- ëèíèÿ èíäèêàòîðà 2 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style2  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà 2 ðàâíà 2
#property indicator_width2  2
//---- îòîáðàæåíèå áû÷åé ìåòêè èíäèêàòîðà
#property indicator_label2  "Upper Donchian"
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè ñðåäíåé ëèíèè           |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 3 â âèäå ëèíèè
#property indicator_type3   DRAW_LINE
//---- â êà÷åñòâå öâåòà ìåäâåæüåé ëèíèè èíäèêàòîðà èñïîëüçîâàí DarkViolet
#property indicator_color3  clrDarkViolet
//---- ëèíèÿ èíäèêàòîðà 3 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style3  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà 3 ðàâíà 2
#property indicator_width3  2
//---- îòîáðàæåíèå ìåäâåæüåé ìåòêè èíäèêàòîðà
#property indicator_label3  "Middle Donchian"
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè íèæíåé ãðàíèöû          |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 4 â âèäå ëèíèè
#property indicator_type4   DRAW_LINE
//---- â êà÷åñòâå öâåòà ìåäâåæüåé ëèíèè èíäèêàòîðà èñïîëüçîâàí Magenta
#property indicator_color4  clrMagenta
//---- ëèíèÿ èíäèêàòîðà 4 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style4  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà 4 ðàâíà 2
#property indicator_width4  2
//---- îòîáðàæåíèå ìåäâåæüåé ìåòêè èíäèêàòîðà
#property indicator_label4  "Lower Donchian"
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè îáëàêà                  |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà â âèäå öâåòíîãî îáëàêà
#property indicator_type5   DRAW_FILLING
//---- â êà÷åñòâå öâåòà îáëàêà èñïîëüçîâàí Violet
#property indicator_color5  clrViolet
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label5  "Lower Cloud"
//+----------------------------------------------+
//|  îáúÿâëåíèå ïåðå÷èñëåíèÿ                     |
//+----------------------------------------------+  
enum WIDTH
  {
   Width_1=1, //1
   Width_2,   //2
   Width_3,   //3
   Width_4,   //4
   Width_5    //5
  };
//+----------------------------------------------+
//|  îáúÿâëåíèå ïåðå÷èñëåíèÿ                     |
//+----------------------------------------------+
enum STYLE
  {
   SOLID_,//Ñïëîøíàÿ ëèíèÿ
   DASH_,//Øòðèõîâàÿ ëèíèÿ
   DOT_,//Ïóíêòèðíàÿ ëèíèÿ
   DASHDOT_,//Øòðèõ-ïóíêòèðíàÿ ëèíèÿ
   DASHDOTDOT_   //Øòðèõ-ïóíêòèðíàÿ ëèíèÿ ñ äâîéíûìè òî÷êàìè
  };
//+----------------------------------------------+
//|  îáúÿâëåíèå ïåðå÷èñëåíèÿ                     |
//+----------------------------------------------+
enum Applied_Extrem //Òèï ýêñòðåìóìîâ
  {
   HIGH_LOW,
   HIGH_LOW_OPEN,
   HIGH_LOW_CLOSE,
   OPEN_HIGH_LOW,
   CLOSE_HIGH_LOW
  };
//+----------------------------------------------+
//|  ÂÕÎÄÍÛÅ ÏÀÐÀÌÅÒÐÛ ÈÍÄÈÊÀÒÎÐÀ                |
//+----------------------------------------------+
input string  SirName="DonchianChannelsCloud_Digit_Grid";     //Ïåðâàÿ ÷àñòü èìåíè ãðàôè÷åñêèõ îáúåêòîâ
input int DonchianPeriod=20; //Ïåðèîä óñðåäíåíèÿ
input Applied_Extrem Extremes=HIGH_LOW; //Òèï ýêñòðåìóìîâ
input int Margins=-2;
input int Shift = 0; // ñäâèã èíäèêàòîðà ïî ãîðèçîíòàëè â áàðàõ
input uint Digit=2; //êîëè÷åñòâî ðàçðÿäîâ îêðóãëåíèÿ
input bool RoundPrice=true; //îêðóãëÿòü öåíû
input bool ShowPrice=true; //ïîêàçûâàòü öåíîâûå ìåòêè
//---- öâåòà öåíîâûõ ìåòîê
input color  Middle_color=clrDarkViolet;
input color  Upper_color=clrBlue;
input color  Lower_color=clrMagenta;
//---- Ïàðàìåòðû öåíîâîé ñåòêè
input uint  Total=200;                       //êîëè÷åñòâî áëîêîâ ñåòêè ñâåðõó èëè ñíèçó îò öåíû
//----
input color  Color_A = clrSlateBlue;         //öâåò óðîâíÿ 1 
input STYLE  Style_A = DASHDOTDOT_;          //ñòèëü ëèíèè óðîâíÿ 1
input WIDTH  Width_A = Width_1;              //òîëùèíà ëèíèè óðîâíÿ 1
//----
input color  Color_B = clrDarkOrange;        //öâåò óðîâíÿ 2
input STYLE  Style_B = DASH_;                //ñòèëü ëèíèè óðîâíÿ 2
input WIDTH  Width_B = Width_1;              //òîëùèíà ëèíèè óðîâíÿ 2
//----
input color  Color_C = clrMagenta;           //öâåò óðîâíÿ 3
input STYLE  Style_C = SOLID_;               //ñòèëü ëèíèè óðîâíÿ 3
input WIDTH  Width_C = Width_1;              //òîëùèíà ëèíèè óðîâíÿ 3
//----
input color  Color_D = clrRed;               //öâåò óðîâíÿ 4
input STYLE  Style_D = SOLID_;               //ñòèëü ëèíèè óðîâíÿ 4
input WIDTH  Width_D = Width_1;              //òîëùèíà ëèíèè óðîâíÿ 4
//----
input color  Color_E = clrLime;              //öâåò óðîâíÿ 5
input STYLE  Style_E = SOLID_;               //ñòèëü ëèíèè óðîâíÿ 5
input WIDTH  Width_E = Width_1;              //òîëùèíà ëèíèè óðîâíÿ 5
//----
input uint Fontsizex= 2;                     //ðàçìåð öåíîâûõ ìåòîê
input bool ShowLineInfo = true;              //îòîáðàæåíèå çíà÷åíèÿ óðîâíÿ íà öåíîâîì ãðàôèêå
//+----------------------------------------------+
//---- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå áóäóò â äàëüíåéøåì èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
double ExtUp1Buffer[];
double ExtUp2Buffer[];
double ExtABuffer[];
double ExtBBuffer[];
double ExtCBuffer[];
double ExtDn1Buffer[];
double ExtDn2Buffer[];
//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
int  min_rates_total;
//---- Îáúÿâëåíèå ñòðèíãîâ äëÿ òåêñòîâûõ ìåòîê
string upper_name,middle_name,lower_name;
//---- Îáúÿâëåíèå ïåðåìåííûõ öåíîâîé ñåòêè
color clr;
STYLE Style;
WIDTH Width;
bool ShowPriceLable;
int middle,sizex,Normalize,Count;
string ObjectNames[];
double PointPow10,PointPow100,PointPow1000,PointPow10000,PointPow100000,PriceGrid[],Price[];
//+------------------------------------------------------------------+
//|  searching index of the highest bar                              |
//+------------------------------------------------------------------+
int iHighest(
             const double &array[],// ìàññèâ äëÿ ïîèñêà èíäåêñà ìàêñèìàëüíîãî ýëåìåíòà
             int count,// ÷èñëî ýëåìåíòîâ ìàññèâà (â íàïðàâëåíèè îò òåêóùåãî áàðà â ñòîðîíó óáûâàíèÿ èíäåêñà), 
             // ñðåäè êîòîðûõ äîëæåí áûòü ïðîèçâåäåí ïîèñê.
             int startPos //èíäåêñ (ñìåùåíèå îòíîñèòåëüíî òåêóùåãî áàðà) íà÷àëüíîãî áàðà, 
             // ñ êîòîðîãî íà÷èíàåòñÿ ïîèñê íàèáîëüøåãî çíà÷åíèÿ
             )
  {
//----+
   int index=startPos;

//---- ïðîâåðêà ñòàðòîâîãî èíäåêñà íà êîððåêòíîñòü
   if(startPos<0)
     {
      Print("Íåâåðíîå çíà÷åíèå â ôóíêöèè iHighest, startPos = ",startPos);
      return(0);
     }

//---- ïðîâåðêà çíà÷åíèÿ startPos íà êîððåêòíîñòü
   if(startPos-count<0)
      count=startPos;

   double max=array[startPos];

//---- ïîèñê èíäåêñà
   for(int i=startPos; i>startPos-count; i--)
     {
      if(array[i]>max)
        {
         index=i;
         max=array[i];
        }
     }
//----+ âîçâðàò èíäåêñà íàèáîëüøåãî áàðà
   return(index);
  }
//+------------------------------------------------------------------+
//|  searching index of the lowest bar                               |
//+------------------------------------------------------------------+
int iLowest(
            const double &array[],// ìàññèâ äëÿ ïîèñêà èíäåêñà ìèíèìàëüíîãî ýëåìåíòà
            int count,// ÷èñëî ýëåìåíòîâ ìàññèâà (â íàïðàâëåíèè îò òåêóùåãî áàðà â ñòîðîíó óáûâàíèÿ èíäåêñà), 
            // ñðåäè êîòîðûõ äîëæåí áûòü ïðîèçâåäåí ïîèñê.
            int startPos //èíäåêñ (ñìåùåíèå îòíîñèòåëüíî òåêóùåãî áàðà) íà÷àëüíîãî áàðà, 
            // ñ êîòîðîãî íà÷èíàåòñÿ ïîèñê íàèìåíüøåãî çíà÷åíèÿ
            )
  {
//----+
   int index=startPos;

//---- ïðîâåðêà ñòàðòîâîãî èíäåêñà íà êîððåêòíîñòü
   if(startPos<0)
     {
      Print("Íåâåðíîå çíà÷åíèå â ôóíêöèè iLowest, startPos = ",startPos);
      return(0);
     }

//---- ïðîâåðêà çíà÷åíèÿ startPos íà êîððåêòíîñòü
   if(startPos-count<0)
      count=startPos;

   double min=array[startPos];

//---- ïîèñê èíäåêñà
   for(int i=startPos; i>startPos-count; i--)
     {
      if(array[i]<min)
        {
         index=i;
         min=array[i];
        }
     }
//----+ âîçâðàò èíäåêñà íàèìåíüøåãî áàðà
   return(index);
  }
//+------------------------------------------------------------------+    
//| Donchian Channel indicator initialization function               | 
//+------------------------------------------------------------------+  
void OnInit()
  {
//---- Èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
   min_rates_total=int(DonchianPeriod)+1;
//---- Èíèöèàëèçàöèÿ ñòðèíãîâ
   upper_name=SirName+" upper text lable";
   middle_name=SirName+" middle text lable";
   lower_name=SirName+" lower text lable";

//---- ðàñïðåäåëåíèå ïàìÿòè ïîä ìàññèâû ïåðåìåííûõ öåíîâîé ñåòêè 
   sizex=int(Total*2);
   ArrayResize(ObjectNames,sizex);
   ArrayResize(PriceGrid,sizex);
   ArrayResize(Price,sizex);
//---- èíèöèàëèçàöèÿ èì¸í
   for(Count=0; Count<sizex; Count++) ObjectNames[Count]=SirName+" PriceLine "+string(Count);
//---- èíèöèàëèçàöèÿ ïåðåìåííûõ         
   PointPow10=_Point*MathPow(10,Digit);
   PointPow100=PointPow10*10;
   PointPow1000=PointPow10*100;
   PointPow10000=PointPow10*1000;
   PointPow100000=PointPow10*10000;
   middle=(sizex/2)-1;
   Normalize=int(_Digits-Digit);
//---- èíèöèàëèçàöèÿ ïåðåìåííûõ         
   for(Count=middle; Count<sizex; Count++) PriceGrid[Count]=+NormalizeDouble(PointPow10*(Count-middle),Normalize);
   for(Count=middle-1; Count>=0; Count--) PriceGrid[Count]=-NormalizeDouble(PointPow10*(middle-Count),Normalize);
   
//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(0,ExtUp1Buffer,INDICATOR_DATA);
   SetIndexBuffer(1,ExtUp2Buffer,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);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà ïî ãîðèçîíòàëè
   PlotIndexSetInteger(0,PLOT_SHIFT,Shift);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(2,ExtABuffer,INDICATOR_DATA);
//---- 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);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà ïî ãîðèçîíòàëè
   PlotIndexSetInteger(1,PLOT_SHIFT,Shift);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(3,ExtBBuffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷¸òà îòðèñîâêè èíäèêàòîðà
   PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,min_rates_total);
//---- óñòàíîâêà çíà÷åíèé èíäèêàòîðà, êîòîðûå íå áóäóò âèäèìû íà ãðàôèêå
   PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,EMPTY_VALUE);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà ïî ãîðèçîíòàëè
   PlotIndexSetInteger(2,PLOT_SHIFT,Shift);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(4,ExtCBuffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷¸òà îòðèñîâêè èíäèêàòîðà
   PlotIndexSetInteger(3,PLOT_DRAW_BEGIN,min_rates_total);
//---- óñòàíîâêà çíà÷åíèé èíäèêàòîðà, êîòîðûå íå áóäóò âèäèìû íà ãðàôèêå
   PlotIndexSetDouble(3,PLOT_EMPTY_VALUE,EMPTY_VALUE);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà ïî ãîðèçîíòàëè
   PlotIndexSetInteger(3,PLOT_SHIFT,Shift);
   
//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(5,ExtDn1Buffer,INDICATOR_DATA);
   SetIndexBuffer(6,ExtDn2Buffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷¸òà îòðèñîâêè èíäèêàòîðà
   PlotIndexSetInteger(4,PLOT_DRAW_BEGIN,min_rates_total);
//---- óñòàíîâêà çíà÷åíèé èíäèêàòîðà, êîòîðûå íå áóäóò âèäèìû íà ãðàôèêå
   PlotIndexSetDouble(4,PLOT_EMPTY_VALUE,EMPTY_VALUE);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà ïî ãîðèçîíòàëè
   PlotIndexSetInteger(4,PLOT_SHIFT,Shift);

//---- èíèöèàëèçàöèè ïåðåìåííîé äëÿ êîðîòêîãî èìåíè èíäèêàòîðà
   string shortname;
   StringConcatenate(shortname,"DonchianChannelsCloud_Digit_Grid( DonchianPeriod = ",DonchianPeriod,")");
//--- 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+1);
//---- çàâåðøåíèå èíèöèàëèçàöèè
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+    
void OnDeinit(const int reason)
  {
//----
   ObjectDelete(0,upper_name);
   ObjectDelete(0,middle_name);
   ObjectDelete(0,lower_name);
   for(Count=0; Count<sizex; Count++) ObjectDelete(0,ObjectNames[Count]);
//----
   ChartRedraw(0);
  }
//+------------------------------------------------------------------+  
//| Donchian Channel 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(0);
   
//---- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ êàê â òàéìñåðèÿõ
   ArraySetAsSeries(close,false);
   ArraySetAsSeries(time,false);

   double res=NormalizeDouble(PointPow10*MathCeil(close[rates_total-1]/PointPow10),Normalize);
   if(prev_calculated!=rates_total)
     {
      for(Count=0; Count<sizex; Count++) ObjectDelete(0,ObjectNames[Count]);
     }
   for(Count=0; Count<sizex; Count++) Price[Count]=NormalizeDouble(res+PriceGrid[Count],Normalize);
   datetime time0=time[rates_total-1]+PeriodSeconds()*Shift;
   datetime timeX=time[0];
   for(Count=0; Count<sizex; Count++)
     {
      string info="";
      if(ShowLineInfo) info=ObjectNames[Count]+" "+DoubleToString(Price[Count],Normalize);

      if(!NormalizeDouble(Price[Count]-PointPow100000*MathCeil(Price[Count]/PointPow100000),Normalize))
        {
         SetTline(0,ObjectNames[Count],0,timeX,Price[Count],time0,Price[Count],Color_E,Style_E,Width_E,info);
        }
      else if(!NormalizeDouble(Price[Count]-PointPow10000*MathCeil(Price[Count]/PointPow10000),Normalize))
        {
         SetTline(0,ObjectNames[Count],0,timeX,Price[Count],time0,Price[Count],Color_D,Style_D,Width_D,info);
        }
      else if(!NormalizeDouble(Price[Count]-PointPow1000*MathCeil(Price[Count]/PointPow1000),Normalize))
        {
         SetTline(0,ObjectNames[Count],0,timeX,Price[Count],time0,Price[Count],Color_C,Style_C,Width_C,info);
        }
      else  if(!NormalizeDouble(Price[Count]-PointPow100*MathCeil(Price[Count]/PointPow100),Normalize))
        {
         SetTline(0,ObjectNames[Count],0,timeX,Price[Count],time0,Price[Count],Color_B,Style_B,Width_B,info);
        }
      else
        {
         SetTline(0,ObjectNames[Count],0,timeX,Price[Count],time0,Price[Count],Color_A,Style_A,Width_A,info);
        }
     }

//---- Îáúÿâëåíèå ïåðåìåííûõ ñ ïëàâàþùåé òî÷êîé  
   double smin,smax,SsMax=0,SsMin=0;
//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ
   int first,bar;

//---- ðàñ÷¸ò ñòàðòîâîãî íîìåðà first äëÿ öèêëà ïåðåñ÷¸òà áàðîâ
   if(prev_calculated==0) // ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷¸òà èíäèêàòîðà
     {
      first=min_rates_total-1; // ñòàðòîâûé íîìåð äëÿ ðàñ÷¸òà âñåõ áàðîâ
     }
   else
     {
      first=prev_calculated-1;// ñòàðòîâûé íîìåð äëÿ ðàñ÷¸òà íîâûõ áàðîâ
     }
     
//---- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ íå êàê â òàéìñåðèÿõ
   ArraySetAsSeries(close,false);
   ArraySetAsSeries(time,false);

//---- Îñíîâíîé öèêë ðàñ÷¸òà êàíàëà
   for(bar=first; bar<rates_total && !IsStopped(); bar++)
     {
      switch(Extremes)
        {
         case HIGH_LOW:
            SsMax=high[iHighest(high,DonchianPeriod,bar)];
            SsMin=low[iLowest(low,DonchianPeriod,bar)];
            break;

         case HIGH_LOW_OPEN:
            SsMax=(open[iHighest(open,DonchianPeriod,bar)]+high[iHighest(high,DonchianPeriod,bar)])/2;
            SsMin=(open[iLowest(open,DonchianPeriod,bar)]+low[iLowest(high,DonchianPeriod,bar)])/2;
            break;

         case HIGH_LOW_CLOSE:
            SsMax=(close[iHighest(close,DonchianPeriod,bar)]+high[iHighest(high,DonchianPeriod,bar)])/2;
            SsMin=(close[iLowest(close,DonchianPeriod,bar)]+low[iLowest(high,DonchianPeriod,bar)])/2;
            break;

         case OPEN_HIGH_LOW:
            SsMax=open[iHighest(open,DonchianPeriod,bar)];
            SsMin=open[iLowest(open,DonchianPeriod,bar)];
            break;

         case CLOSE_HIGH_LOW:
            SsMax=close[iHighest(close,DonchianPeriod,bar)];
            SsMin=close[iLowest(close,DonchianPeriod,bar)];
            break;
        }

      smin=SsMin+(SsMax-SsMin)*Margins/100;
      smax=SsMax-(SsMax-SsMin)*Margins/100;      
      ExtABuffer[bar]=smax;
      ExtCBuffer[bar]=smin;
      ExtBBuffer[bar]=(smax+smin)/2.0;
      if(RoundPrice)
        {
         ExtBBuffer[bar]=PointPow10*MathRound(ExtBBuffer[bar]/PointPow10);
         ExtABuffer[bar]=PointPow10*MathCeil(ExtABuffer[bar]/PointPow10);
         ExtCBuffer[bar]=PointPow10*MathFloor(ExtCBuffer[bar]/PointPow10);
        }
      ExtUp1Buffer[bar]=ExtABuffer[bar];
      ExtUp2Buffer[bar]=ExtBBuffer[bar];
      ExtDn1Buffer[bar]=ExtBBuffer[bar];
      ExtDn2Buffer[bar]=ExtCBuffer[bar];
     }
     
  if(ShowPrice)
     {
      int bar0=rates_total-1;
      time0=time[bar0]+Shift*PeriodSeconds();
      SetRightPrice(0,middle_name,0,time0,ExtBBuffer[bar0],Middle_color,"Georgia");
      SetRightPrice(0,upper_name,0,time0,ExtABuffer[bar0],Upper_color,"Georgia");
      SetRightPrice(0,lower_name,0,time0,ExtCBuffer[bar0],Lower_color,"Georgia");
     }

//----    
   return(rates_total);
  }
//+------------------------------------------------------------------+
//|  Ñîçäàíèå òðåíäîâîé ëèíèè                                        |
//+------------------------------------------------------------------+
void CreateTline(
                 long     chart_id,      // èäåíòèôèêàòîð ãðàôèêà
                 string   name,          // èìÿ îáúåêòà
                 int      nwin,          // èíäåêñ îêíà
                 datetime time1,         // âðåìÿ 1 öåíîâîãî óðîâíÿ
                 double   price1,        // 1 öåíîâîé óðîâåíü
                 datetime time2,         // âðåìÿ 2 öåíîâîãî óðîâíÿ
                 double   price2,        // 2 öåíîâîé óðîâåíü
                 color    Color,         // öâåò ëèíèè
                 int      style,         // ñòèëü ëèíèè
                 int      width,         // òîëùèíà ëèíèè
                 string   text           // òåêñò
                 )
//---- 
  {
//----
   ObjectCreate(chart_id,name,OBJ_TREND,nwin,time1,price1,time2,price2);
   ObjectSetInteger(chart_id,name,OBJPROP_COLOR,Color);
   ObjectSetInteger(chart_id,name,OBJPROP_STYLE,style);
   ObjectSetInteger(chart_id,name,OBJPROP_WIDTH,width);
   ObjectSetString(chart_id,name,OBJPROP_TEXT,text);
   ObjectSetInteger(chart_id,name,OBJPROP_BACK,true);
   ObjectSetInteger(chart_id,name,OBJPROP_RAY_RIGHT,false);
   ObjectSetInteger(chart_id,name,OBJPROP_SELECTED,false);
   ObjectSetInteger(chart_id,name,OBJPROP_SELECTABLE,false);
   ObjectSetInteger(chart_id,name,OBJPROP_ZORDER,true);
//----
  }
//+------------------------------------------------------------------+
//|  Ïåðåóñòàíîâêà òðåíäîâîé ëèíèè                                   |
//+------------------------------------------------------------------+
void SetTline(
              long     chart_id,      // èäåíòèôèêàòîð ãðàôèêà
              string   name,          // èìÿ îáúåêòà
              int      nwin,          // èíäåêñ îêíà
              datetime time1,         // âðåìÿ 1 öåíîâîãî óðîâíÿ
              double   price1,        // 1 öåíîâîé óðîâåíü
              datetime time2,         // âðåìÿ 2 öåíîâîãî óðîâíÿ
              double   price2,        // 2 öåíîâîé óðîâåíü
              color    Color,         // öâåò ëèíèè
              int      style,         // ñòèëü ëèíèè
              int      width,         // òîëùèíà ëèíèè
              string   text           // òåêñò
              )
//---- 
  {
//----
   if(ObjectFind(chart_id,name)==-1) CreateTline(chart_id,name,nwin,time1,price1,time2,price2,Color,style,width,text);
   else
     {
      ObjectSetString(chart_id,name,OBJPROP_TEXT,text);
      ObjectMove(chart_id,name,0,time1,price1);
      ObjectMove(chart_id,name,1,time2,price2);
      ObjectSetInteger(chart_id,name,OBJPROP_COLOR,Color);
      ObjectSetInteger(chart_id,name,OBJPROP_STYLE,style);
      ObjectSetInteger(chart_id,name,OBJPROP_WIDTH,width);
     }
//----
  }
//+------------------------------------------------------------------+
//|  RightPrice creation                                             |
//+------------------------------------------------------------------+
void CreateRightPrice(long chart_id,// chart ID
                      string   name,              // object name
                      int      nwin,              // window index
                      datetime time,              // price level time
                      double   price,             // price level
                      color    Color,             // Text color
                      string   Font               // Text font
                      )
//---- 
  {
//----
   ObjectCreate(chart_id,name,OBJ_ARROW_RIGHT_PRICE,nwin,time,price);
   ObjectSetInteger(chart_id,name,OBJPROP_COLOR,Color);
   ObjectSetString(chart_id,name,OBJPROP_FONT,Font);
   ObjectSetInteger(chart_id,name,OBJPROP_BACK,true);
   ObjectSetInteger(chart_id,name,OBJPROP_WIDTH,2);
//----
  }
//+------------------------------------------------------------------+
//|  RightPrice reinstallation                                       |
//+------------------------------------------------------------------+
void SetRightPrice(long chart_id,// chart ID
                   string   name,              // object name
                   int      nwin,              // window index
                   datetime time,              // price level time
                   double   price,             // price level
                   color    Color,             // Text color
                   string   Font               // Text font
                   )
//---- 
  {
//----
   if(ObjectFind(chart_id,name)==-1) CreateRightPrice(chart_id,name,nwin,time,price,Color,Font);
   else ObjectMove(chart_id,name,0,time,price);
//----
  }
//+------------------------------------------------------------------+