i-MorningRange

//+------------------------------------------------------------------+
//|                                               i-MorningRange.mq4 |
//|                                           Eè? E?î?ü A. aka KimIV |
//|                                              http://www.kimiv.ru |
//|                                                                  |
//|  08.02.2006  E??èêà?î? ????????î ?èàïàçî?à.                      |
//+------------------------------------------------------------------+
#property copyright "Eè? E?î?ü A. aka KimIV"
#property link      "http://www.kimiv.ru"

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Orange

//------- A????è? ïà?à????û è??èêà?î?à -------------------------------
extern string CheckTime    = "08:00";  // A???? ï?îâ??êè ?èàïàçî?à
extern bool   ShowHistory  = True;     // Iîêàçûâà?ü è??î?è÷??êè? ??îâ?è
extern int    NumberOfDays = 5;        // Eîëè÷???âî ???é è??î?èè
extern bool   ShowComment  = True;     // Iîêàçûâà?ü êî?????à?èè

//------- ??ô??û è??èêà?î?à ------------------------------------------
double dBuf0[], dBuf1[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
void init() {
  SetIndexArrow (0, 217);
  SetIndexBuffer(0, dBuf0);
  SetIndexStyle (0, DRAW_ARROW, 1, 1);
  SetIndexArrow (1, 218);
  SetIndexBuffer(1, dBuf1);
  SetIndexStyle (1, DRAW_ARROW, 1, 1);

  DeleteLines();
  for (int i=0; i<2; i++) {
    ObjectCreate("HLine"+i, OBJ_HLINE, 0, 0,0);
  }

  for (i=0; i<NumberOfDays; i++) {
    CreateLines("upLine"+i, indicator_color1);
    CreateLines("dnLine"+i, indicator_color2);
  }
}

//+------------------------------------------------------------------+
//| ?îç?à?è? î???ê?îâ Eè?è? ï?î?ëû? ???é                             |
//| Ià?à????û:                                                       |
//|   no - ?àè???îâà?è? ëè?èè                                        |
//|   cl - ?â?? ëè?èè                                                |
//+------------------------------------------------------------------+
void CreateLines(string no, color cl) {
  ObjectCreate(no, OBJ_TREND, 0, 0,0, 0,0);
  ObjectSet(no, OBJPROP_STYLE, STYLE_SOLID);
  ObjectSet(no, OBJPROP_WIDTH, 1);
  ObjectSet(no, OBJPROP_COLOR, cl);
  ObjectSet(no, OBJPROP_RAY, False);
}

//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
void deinit() {
  DeleteLines();
  Comment("");
}

//+------------------------------------------------------------------+
//| ??àë??è? ?î?èçî??àëü?û? ëè?èé.                                   |
//+------------------------------------------------------------------+
void DeleteLines() {
  for (int i=0; i<2; i++) {
    ObjectDelete("HLine"+i);
  }

  for (i=0; i<NumberOfDays; i++) {
    ObjectDelete("upLine"+i);
    ObjectDelete("dnLine"+i);
  }
}

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
void start() {
  datetime t1, t2, dt;
  double   p1, p2;
  int      b1, b2, sd=0;

  t1=StrToTime(TimeToStr(CurTime(), TIME_DATE)+" 00:00");
  t2=StrToTime(TimeToStr(CurTime(), TIME_DATE)+" "+CheckTime);
  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)];

  SetHLine(0, p1);
  SetHLine(1, p2);

  if (ShowHistory) {
    dt=decDateTradeDay(CurTime());
    for (int i=0; i<NumberOfDays; i++) {
      DrawLines(dt, i);
      dt=decDateTradeDay(dt);
      while (TimeDayOfWeek(dt)<1 || TimeDayOfWeek(dt)>5) dt=decDateTradeDay(dt);
    }
  }

  if (ShowComment) Comment("CheckTime="+CheckTime);
}

//+------------------------------------------------------------------+
//| ???à?àâëèâà?? ??êâèçè?û ?î?èçî??àëü?îé ëè?èè ??ê?ù??î ???.       |
//+------------------------------------------------------------------+
void SetHLine(int nl, double pp) {
  color cl;

  if (pp!=EMPTY_VALUE) {
    switch (nl) {
      case 0: cl=indicator_color1; break;
      case 1: cl=indicator_color2; break;
    }
    ObjectSet("HLine"+nl, OBJPROP_PRICE1, pp);
    ObjectSet("HLine"+nl, OBJPROP_COLOR , cl);
  }
}

//+------------------------------------------------------------------+
//| I?î?è?îâêà ëè?èé ?à ??àôèê?                                      |
//| Ià?à????û:                                                       |
//|   dt - ?à?à ?î??îâî?î ???                                        |
//|   nd - ?î??? ??? (?ë? ?????à?èè î???ê?îâ)                        |
//+------------------------------------------------------------------+
void DrawLines(datetime dt, int nd) {
  datetime t1, t2;
  double   p1, p2;
  int      b1, b2;

  t1=StrToTime(TimeToStr(dt, TIME_DATE)+" 00:00");
  t2=StrToTime(TimeToStr(dt, TIME_DATE)+" "+CheckTime);
  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("upLine"+nd, OBJPROP_TIME1 , t1);
  ObjectSet("upLine"+nd, OBJPROP_PRICE1, p1);
  ObjectSet("upLine"+nd, OBJPROP_TIME2 , t2);
  ObjectSet("upLine"+nd, OBJPROP_PRICE2, p1);

  ObjectSet("dnLine"+nd, OBJPROP_TIME1 , t1);
  ObjectSet("dnLine"+nd, OBJPROP_PRICE1, p2);
  ObjectSet("dnLine"+nd, OBJPROP_TIME2 , t2);
  ObjectSet("dnLine"+nd, OBJPROP_PRICE2, p2);
}

//+------------------------------------------------------------------+
//| ????ü???è? ?à?û ?à î?è? ?î??îâûé ???ü                            |
//| Ià?à????û:                                                       |
//|   dt - ?à?à ?î??îâî?î ???                                        |
//+------------------------------------------------------------------+
datetime decDateTradeDay(datetime dt) {
  int ty=TimeYear(dt);
  int tm=TimeMonth(dt);
  int td=TimeDay(dt);
  int th=TimeHour(dt);
  int ti=TimeMinute(dt);

  td--;
  if (td==0) {
    tm--;
    if (tm==0) {
      ty--;
      tm=12;
    }
    if (tm==1 || tm==3 || tm==5 || tm==7 || tm==8 || tm==10 || tm==12) td=31;
    if (tm==2) if (MathMod(ty, 4)==0) td=29; else td=28;
    if (tm==4 || tm==6 || tm==9 || tm==11) td=30;
  }
  return(StrToTime(ty+"."+tm+"."+td+" "+th+":"+ti));
}
//+------------------------------------------------------------------+