i-Sessions_v4

//+----------------------------------------------------------------------------+
//|                                                            i-Sessions.mq4  |
//|                                                                            |
//|                                                    Êèì Èãîðü Â. aka KimIV  |
//|                                                       http://www.kimiv.ru  |
//|                                                                            |
//+----------------------------------------------------------------------------+
#property copyright "Êèì Èãîðü Â. aka KimIV"
#property link      "http://www.kimiv.ru"

#property indicator_chart_window

//------- Âíåøíèå ïàðàìåòðû èíäèêàòîðà ----------------------------------------+
extern int    NumberOfDays = 5;             // Êîëè÷åñòâî äíåé
extern string AsiaBegin    = "01:00";       // Îòêðûòèå àçèàòñêîé ñåññèè
extern string AsiaEnd      = "10:00";       // Çàêðûòèå àçèàòñêîé ñåññèè
extern color  AsiaColor    = Goldenrod;     // Öâåò àçèàòñêîé ñåññèè
extern string EurBegin     = "07:00";       // Îòêðûòèå åâðîïåéñêîé ñåññèè
extern string EurEnd       = "16:00";       // Çàêðûòèå åâðîïåéñêîé ñåññèè
extern color  EurColor     = Tan;           // Öâåò åâðîïåéñêîé ñåññèè
extern string USABegin     = "14:00";       // Îòêðûòèå àìåðèêàíñêîé ñåññèè
extern string USAEnd       = "23:00";       // Çàêðûòèå àìåðèêàíñêîé ñåññèè
extern color  USAColor     = Pink;          // Öâåò àìåðèêàíñêîé ñåññèè
extern int    Style        = 2;             // Ñòèëü ëèíèé îáúåêòîâ
extern bool   FillBack     = True;          // Çàëèâàòü îáúåêòû
extern bool   ShowPrice    = True;          // Ïîêàçûâàòü öåíîâûå óðîâíè
extern color  clFont       = Blue;          // Öâåò øðèôòà
extern int    SizeFont     = 8;             // Ðàçìåð øðèôòà
extern int    OffSet       = 10;            // Ñìåùåíèå
//+----------------------------------------------------------------------------+
//|  Custom indicator initialization function                                  |
//+----------------------------------------------------------------------------+
void init() 
  {
   DeleteObjects();
   for(int i=0; i<NumberOfDays; i++) 
     {
      CreateObjects("AS"+i,AsiaColor);
      CreateObjects("EU"+i,EurColor);
      CreateObjects("US"+i,USAColor);
     }
   Comment("");
  }
//+----------------------------------------------------------------------------+
//|  Custor indicator deinitialization function                                |
//+----------------------------------------------------------------------------+
void deinit() 
  {
   DeleteObjects();
   Comment("");
  }
//+----------------------------------------------------------------------------+
//|  Ñîçäàíèå îáúåêòîâ èíäèêàòîðà                                              |
//|  Ïàðàìåòðû:                                                                |
//|    no - íàèìåíîâàíèå îáúåêòà                                               |
//|    cl - öâåò îáúåêòà                                                       |
//+----------------------------------------------------------------------------+
void CreateObjects(string no,color cl) 
  {
   ObjectCreate(no,OBJ_RECTANGLE,0,0,0,0,0);
   ObjectSet(no,OBJPROP_STYLE,Style);
   ObjectSet(no,OBJPROP_COLOR,cl);
   ObjectSet(no,OBJPROP_BACK,FillBack);
  }
//+----------------------------------------------------------------------------+
//|  Óäàëåíèå îáúåêòîâ èíäèêàòîðà                                              |
//+----------------------------------------------------------------------------+
void DeleteObjects() 
  {
   for(int i=0; i<NumberOfDays; i++) 
     {
      ObjectDelete("AS"+i);
      ObjectDelete("EU"+i);
      ObjectDelete("US"+i);
     }
   ObjectDelete("ASup");
   ObjectDelete("ASdn");
   ObjectDelete("EUup");
   ObjectDelete("EUdn");
   ObjectDelete("USup");
   ObjectDelete("USdn");
  }
//+----------------------------------------------------------------------------+
//|  Custom indicator iteration function                                       |
//+----------------------------------------------------------------------------+
void start() 
  {
   datetime dt=CurTime();

   for(int i=0; i<NumberOfDays; i++) 
     {
      if(ShowPrice && i==0) 
        {
         DrawPrices(dt,"AS",AsiaBegin,AsiaEnd);
         DrawPrices(dt,"EU",EurBegin,EurEnd);
         DrawPrices(dt,"US",USABegin,USAEnd);
        }
      DrawObjects(dt,"AS"+i,AsiaBegin,AsiaEnd);
      DrawObjects(dt,"EU"+i,EurBegin,EurEnd);
      DrawObjects(dt,"US"+i,USABegin,USAEnd);
      dt-=24*60*60;
      while(TimeDayOfWeek(dt)<1 || TimeDayOfWeek(dt)>5) dt-=24*60*60;
     }
  }
//+----------------------------------------------------------------------------+
//|  Ïðîðèñîâêà îáúåêòîâ íà ãðàôèêå                                            |
//|  Ïàðàìåòðû:                                                                |
//|    dt - äàòà òîðãîâîãî äíÿ                                                 |
//|    no - íàèìåíîâàíèå îáúåêòà                                               |
//|    tb - âðåìÿ íà÷àëà ñåññèè                                                |
//|    te - âðåìÿ îêîí÷àíèÿ ñåññèè                                             |
//+----------------------------------------------------------------------------+
void DrawObjects(datetime dt,string no,string tb,string te) 
  {
   datetime t1,t2;
   double   p1,p2;
   int      b1,b2;

   t1=StrToTime(TimeToStr(dt, TIME_DATE)+" "+tb);
   t2=StrToTime(TimeToStr(dt, TIME_DATE)+" "+te);
   b1=iBarShift(NULL, 0, t1);
   b2=iBarShift(NULL, 0, t2);
   p1=High[Highest(NULL, 0, MODE_HIGH, b1-b2+1, b2)];
   p2=Low [Lowest (NULL, 0, MODE_LOW , b1-b2+1, b2)];
   ObjectSet(no,OBJPROP_TIME1,t1);
   ObjectSet(no,OBJPROP_PRICE1,p1);
   ObjectSet(no,OBJPROP_TIME2,t2);
   ObjectSet(no,OBJPROP_PRICE2,p2);
  }
//+----------------------------------------------------------------------------+
//|  Ïðîðèñîâêà öåíîâûõ ìåòîê íà ãðàôèêå                                       |
//|  Ïàðàìåòðû:                                                                |
//|    dt - äàòà òîðãîâîãî äíÿ                                                 |
//|    no - íàèìåíîâàíèå îáúåêòà                                               |
//|    tb - âðåìÿ íà÷àëà ñåññèè                                                |
//|    te - âðåìÿ îêîí÷àíèÿ ñåññèè                                             |
//+----------------------------------------------------------------------------+
void DrawPrices(datetime dt,string no,string tb,string te) 
  {
   datetime t1,t2;
   double   p1,p2;
   int      b1,b2;

   t1=StrToTime(TimeToStr(dt, TIME_DATE)+" "+tb);
   t2=StrToTime(TimeToStr(dt, TIME_DATE)+" "+te);
   b1=iBarShift(NULL, 0, t1);
   b2=iBarShift(NULL, 0, t2);
   p1=High[Highest(NULL, 0, MODE_HIGH, b1-b2, b2)];
   p2=Low [Lowest (NULL, 0, MODE_LOW , b1-b2, b2)];

   if(ObjectFind(no+"up")<0) ObjectCreate(no+"up",OBJ_TEXT,0,0,0);
   ObjectSet(no+"up",OBJPROP_TIME1,t2);
   ObjectSet(no+"up",OBJPROP_PRICE1,p1+(OffSet+SizeFont)*Point);
   ObjectSet(no+"up",OBJPROP_COLOR,clFont);
   ObjectSet(no+"up",OBJPROP_FONTSIZE,SizeFont);
   ObjectSetText(no+"up",DoubleToStr(p1+Ask-Bid,Digits));

   if(ObjectFind(no+"dn")<0) ObjectCreate(no+"dn",OBJ_TEXT,0,0,0);
   ObjectSet(no+"dn",OBJPROP_TIME1,t2);
   ObjectSet(no+"dn",OBJPROP_PRICE1,p2-OffSet*Point);
   ObjectSet(no+"dn",OBJPROP_COLOR,clFont);
   ObjectSet(no+"dn",OBJPROP_FONTSIZE,SizeFont);
   ObjectSetText(no+"dn",DoubleToStr(p2,Digits));
  }
//+----------------------------------------------------------------------------+