PriceChannel_Stop_Digit

//+------------------------------------------------------------------+
//|                                      PriceChannel_Stop_Digit.mq5 | 
//|                           Copyright © 2005, TrendLaboratory Ltd. | 
//|                                       E-mail: igorad2004@list.ru | 
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, TrendLaboratory Ltd." 
//---- ññûëêà íà ñàéò àâòîðà
#property link "E-mail: igorad2004@list.ru" 
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.00"
//---- îòðèñîâêà èíäèêàòîðà â ãëàâíîì îêíå
#property indicator_chart_window 
//---- äëÿ ðàñ÷åòà è îòðèñîâêè èíäèêàòîðà èñïîëüçîâàíî øåñòü áóôåðîâ
#property indicator_buffers 6
//---- èñïîëüçîâàíî âñåãî øåñòü ãðàôè÷åñêèõ ïîñòðîåíèé
#property indicator_plots   6
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè ìåäâåæüåãî èíäèêàòîðà   |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 1 â âèäå ñèìâîëà
#property indicator_type1   DRAW_ARROW
//---- â êà÷åñòâå öâåòà ñèìâîëà âõîäà èñïîëüçîâàí ðîçîâûé öâåò
#property indicator_color1  clrMagenta
//---- òîëùèíà ëèíèè èíäèêàòîðà 1 ðàâíà 1
#property indicator_width1  1
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà 1
#property indicator_label1  "SellSignal"

//---- îòðèñîâêà èíäèêàòîðà 2 â âèäå ñèìâîëà
#property indicator_type2   DRAW_ARROW
//---- â êà÷åñòâå öâåòà ñèìâîëîâ ñòîïëîññîâ èñïîëüçîâàí ðîçîâûé öâåò
#property indicator_color2  clrMagenta
//---- òîëùèíà ëèíèè èíäèêàòîðà 2 ðàâíà 1
#property indicator_width2  1
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà 2
#property indicator_label2 "SellStopSignal"

//---- îòðèñîâêà èíäèêàòîðà 3 â âèäå ñèìâîëà
#property indicator_type3   DRAW_LINE
//---- â êà÷åñòâå öâåòà ëèíèè ñòîïëîññîâ èñïîëüçîâàí ðîçîâûé öâåò
#property indicator_color3  clrMagenta
//---- òîëùèíà ëèíèè èíäèêàòîðà 3 ðàâíà 1
#property indicator_width3  1
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà 3
#property indicator_label3 "SellStopLine"
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè áû÷üåãî èíäèêàòîðà      |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 4 â âèäå ñèìâîëà
#property indicator_type4   DRAW_ARROW
//---- â êà÷åñòâå öâåòà ñèìâîëà âõîäà èñïîëüçîâàí ñâåòëî-çåëåíûé öâåò
#property indicator_color4  clrLime
//---- òîëùèíà ëèíèè èíäèêàòîðà 4 ðàâíà 1
#property indicator_width4  1
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà 4
#property indicator_label4  "BuySignal"

//---- îòðèñîâêà èíäèêàòîðà 5 â âèäå ñèìâîëà
#property indicator_type5   DRAW_ARROW
//---- â êà÷åñòâå öâåòà ñèìâîëîâ ñòîïëîññîâ èñïîëüçîâàí ñâåòëî-çåëåíûé öâåò
#property indicator_color5  clrLime
//---- òîëùèíà ëèíèè èíäèêàòîðà 5 ðàâíà 1
#property indicator_width5  1
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà 5
#property indicator_label5 "BuyStopSignal"

//---- îòðèñîâêà èíäèêàòîðà 6 â âèäå ñèìâîëà
#property indicator_type6   DRAW_LINE
//---- â êà÷åñòâå öâåòà ëèíèè ñòîïëîññîâ èñïîëüçîâàí ñâåòëî-çåëåíûé öâåò
#property indicator_color6  clrLime
//---- òîëùèíà ëèíèè èíäèêàòîðà 6 ðàâíà 1
#property indicator_width6  1
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà 6
#property indicator_label6 "BuyStopLine"

//+----------------------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà                 |
//+----------------------------------------------+
input string  SirName="PriceChannel_Stop_Digit";     //Ïåðâàÿ ÷àñòü èìåíè ãðàôè÷åñêèõ îáúåêòîâ
input int ChannelPeriod=5;
input double Risk=0.10;
input bool Signal=true;
input bool Line=true;
input uint Digit=2; //êîëè÷åñòâî ðàçðÿäîâ îêðóãëåíèÿ
input bool ShowPrice=true; //ïîêàçûâàòü öåíîâûå ìåòêè
//---- öâåòà öåíîâûõ ìåòîê
input color  Price_color=clrBlue;
//+----------------------------------------------+

//---- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå â äàëüíåéøåì 
//---- áóäóò èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
double DownTrendSignal[];
double DownTrendBuffer[];
double DownTrendLine[];
double UpTrendSignal[];
double UpTrendBuffer[];
double UpTrendLine[];
//----
double PointPow10;
int StartBars;
//---- Îáúÿâëåíèå ñòðèíãîâ äëÿ òåêñòîâûõ ìåòîê
string Price_name;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
void OnInit()
  {
//---- èíèöèàëèçàöèÿ ãëîáàëüíûõ ïåðåìåííûõ 
   StartBars=ChannelPeriod+1;
   PointPow10=_Point*MathPow(10,Digit);
//---- Èíèöèàëèçàöèÿ ñòðèíãîâ
   Price_name=SirName+"Price";
//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(0,DownTrendSignal,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 1
   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,StartBars);
//--- ñîçäàíèå ìåòêè äëÿ îòîáðàæåíèÿ â DataWindow
   PlotIndexSetString(0,PLOT_LABEL,"SellSignal");
//---- ñèìâîë äëÿ èíäèêàòîðà
   PlotIndexSetInteger(0,PLOT_ARROW,108);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(DownTrendSignal,true);
//---- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0.0);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(1,DownTrendBuffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 2
   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,StartBars);
//--- ñîçäàíèå ìåòêè äëÿ îòîáðàæåíèÿ â DataWindow
   PlotIndexSetString(1,PLOT_LABEL,"SellStopSignal");
//---- ñèìâîë äëÿ èíäèêàòîðà
   PlotIndexSetInteger(1,PLOT_ARROW,159);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(DownTrendBuffer,true);
//---- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,0.0);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(2,DownTrendLine,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 3
   PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,StartBars);
//--- ñîçäàíèå ìåòêè äëÿ îòîáðàæåíèÿ â DataWindow
   PlotIndexSetString(2,PLOT_LABEL,"SellStopLine");
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(DownTrendLine,true);
//---- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,0.0);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(3,UpTrendSignal,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 4
   PlotIndexSetInteger(3,PLOT_DRAW_BEGIN,StartBars);
//--- ñîçäàíèå ìåòêè äëÿ îòîáðàæåíèÿ â DataWindow
   PlotIndexSetString(3,PLOT_LABEL,"BuySignal");
//---- ñèìâîë äëÿ èíäèêàòîðà
   PlotIndexSetInteger(3,PLOT_ARROW,108);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(UpTrendSignal,true);
//---- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(3,PLOT_EMPTY_VALUE,0.0);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(4,UpTrendBuffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 5
   PlotIndexSetInteger(4,PLOT_DRAW_BEGIN,StartBars);
//--- ñîçäàíèå ìåòêè äëÿ îòîáðàæåíèÿ â DataWindow
   PlotIndexSetString(4,PLOT_LABEL,"BuyStopSignal");
//---- ñèìâîë äëÿ èíäèêàòîðà
   PlotIndexSetInteger(4,PLOT_ARROW,159);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(UpTrendBuffer,true);
//---- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(4,PLOT_EMPTY_VALUE,0.0);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(5,UpTrendLine,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 6
   PlotIndexSetInteger(5,PLOT_DRAW_BEGIN,StartBars);
//--- ñîçäàíèå ìåòêè äëÿ îòîáðàæåíèÿ â DataWindow
   PlotIndexSetString(5,PLOT_LABEL,"BuyStopLine");
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(UpTrendLine,true);
//---- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(5,PLOT_EMPTY_VALUE,0.0);
   
//---- Óñòàíîâêà ôîðìàòà òî÷íîñòè îòîáðàæåíèÿ èíäèêàòîðà
   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
//---- èìÿ äëÿ îêîí äàííûõ è ìåòêà äëÿ ïîäîêîí 
   string short_name="PriceChannel_Stop";
   IndicatorSetString(INDICATOR_SHORTNAME,short_name);
//----   
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+    
void OnDeinit(const int reason)
  {
//----
   ObjectDelete(0,Price_name);
//----
   ChartRedraw(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
                const int prev_calculated,
                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÷åòà
   if(rates_total<StartBars) return(0);

//---- îáúÿâëåíèÿ ëîêàëüíûõ ïåðåìåííûõ 
   int limit,bar,iii,trend;
   double bsmax[],bsmin[],High,Low,Price,dPrice,stop=0.0;

//---- îáúÿâëåíèÿ ïåðåìåííûõ ïàìÿòè  
   static int trend_;
   static double bsmax_,bsmin_;

//---- ðàñ÷åòû ñòàðòîâîãî íîìåðà limit äëÿ öèêëà ïåðåñ÷åòà áàðîâ
   if(prev_calculated>rates_total || prev_calculated<=0)// ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷åòà èíäèêàòîðà
     {
      limit=rates_total-StartBars; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà âñåõ áàðîâ
     }
   else
     {
      limit=rates_total-prev_calculated; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà íîâûõ áàðîâ
     }

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

//---- èçìåíåíèå ðàçìåðîâ âðåìåííûõ ìàññèâîâ 
   if(ArrayResize(bsmax,limit+2)!=limit+2) return(0);
   if(ArrayResize(bsmin,limit+2)!=limit+2) return(0);

//---- ïðåäâàðèòåëüíûé öèêë ðàñ÷åòà âðåìåííûõ ìàññèâîâ
   for(bar=limit; bar>=0 && !IsStopped(); bar--)
     {
      High=high[bar];
      Low =low [bar];
      iii=bar-1+ChannelPeriod;
      while(iii>=bar)
        {
         Price=high[iii];
         if(High<Price)High=Price;
         Price=low[iii];
         if(Low>Price) Low=Price;
         iii--;
        }
      dPrice=(High-Low)*Risk;
      bsmax[bar]=High-dPrice;
      bsmin[bar]=Low +dPrice;
     }

//---- âîññòàíàâëèâàåì çíà÷åíèÿ ïåðåìåííûõ
   bsmax[limit+1]=bsmax_;
   bsmin[limit+1]=bsmin_;
   trend=trend_;

//---- îñíîâíîé öèêë ðàñ÷åòà èíäèêàòîðà
   for(bar=limit; bar>=0; bar--)
     {
//---- çàïîìèíàåì çíà÷åíèÿ ïåðåìåííûõ ïåðåä ïðîãîíàìè íà òåêóùåì áàðå
      if(rates_total!=prev_calculated && bar==0)
        {
         bsmax_=bsmax[1];
         bsmin_=bsmin[1];
         trend_=trend;
        }
//----        
      UpTrendBuffer  [bar]=0.0;
      DownTrendBuffer[bar]=0.0;
      UpTrendSignal  [bar]=0.0;
      DownTrendSignal[bar]=0.0;
      UpTrendLine    [bar]=0.0;
      DownTrendLine  [bar]=0.0;
//----
      if(close[bar]>bsmax[bar+1]) trend=+1;
      if(close[bar]<bsmin[bar+1]) trend=-1;
//----
      if(trend>0 && bsmin[bar]<bsmin[bar+1]) bsmin[bar]=bsmin[bar+1];
      if(trend<0 && bsmax[bar]>bsmax[bar+1]) bsmax[bar]=bsmax[bar+1];
//----
      if(trend>0)
        {
         Price=bsmin[bar];
         stop=PointPow10*MathRound(Price/PointPow10);
         if(Signal && DownTrendBuffer[bar+1]>0)
           {
            UpTrendSignal[bar]=stop;
            if(Line) UpTrendLine[bar]=stop;
           }
         else
           {
            UpTrendBuffer[bar]=stop;
            if(Line) UpTrendLine[bar]=stop;
           }
        }
//----
      if(trend<0)
        {
         Price=bsmax[bar];
         stop=PointPow10*MathRound(Price/PointPow10);
         if(Signal && UpTrendBuffer[bar+1]>0)
           {
            DownTrendSignal[bar]=stop;
            if(Line) DownTrendLine[bar]=stop;
           }
         else
           {
            DownTrendBuffer[bar]=stop;
            if(Line) DownTrendLine[bar]=stop;
           }
        }
     }
   if(ShowPrice)
     {
      int bar0=0;
      datetime time0=time[bar0]+1*PeriodSeconds();
      SetRightPrice(0,Price_name,0,time0,stop,Price_color);
     }
//----     
   ChartRedraw(0);
   return(rates_total);
  }
//+------------------------------------------------------------------+
//|  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
                      )
//---- 
  {
//----
   ObjectCreate(chart_id,name,OBJ_ARROW_RIGHT_PRICE,nwin,time,price);
   ObjectSetInteger(chart_id,name,OBJPROP_COLOR,Color);
   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
                   )
//---- 
  {
//----
   if(ObjectFind(chart_id,name)==-1) CreateRightPrice(chart_id,name,nwin,time,price,Color);
   else ObjectMove(chart_id,name,0,time,price);
//----
  }
//+------------------------------------------------------------------+