LOD_HOD_Price_Break

ÿþ//+------------------------------------------------------------------+

//|                                          LOD_HOD_Price_Break.mq5 |

//|                        Copyright 2018, MetaQuotes Software Corp. |

//|                                                 https://mql5.com |

//+------------------------------------------------------------------+

#property copyright "Copyright 2018, MetaQuotes Software Corp."

#property link      "https://mql5.com"

#property version   "1.00"

#property description "Price break Low of Day/High of Day Alert indicator"

#property description "This indicator will alert the trader when price breaks either the high or low of the previous day."

#property description "It will also display the high and low that price needed to break each day."

#property indicator_chart_window

#property indicator_buffers 0

#property indicator_plots   0

//--- enums

enum ENUM_INPUT_YES_NO

  {

   INPUT_YES   =  1,       // Yes

   INPUT_NO    =  0        // No

  };

//--- input parameters

input uchar             InpLineWidth   =  2;             // Day line width

input ENUM_LINE_STYLE   InpStyle       =  STYLE_SOLID;   // Day line style

input color             InpLineColorUP =  clrRed;        // Upper price day line color

input color             InpLineColorDN =  clrBlue;       // Lower price day line color

input ENUM_INPUT_YES_NO InpUseAlerts   =  INPUT_YES;     // Use alerts

input ENUM_INPUT_YES_NO InpSendMail    =  INPUT_NO;      // Send mail

input ENUM_INPUT_YES_NO InpSendPush    =  INPUT_YES;     // Send push-notifications

//--- global variables

string         prefix;

MqlRates       data[];

//+------------------------------------------------------------------+

//| Custom indicator initialization function                         |

//+------------------------------------------------------------------+

int OnInit()

  {

//--- timer

   EventSetTimer(90);

//--- set global variables

   prefix=MQLInfoString(MQL_PROGRAM_NAME)+"_";

//--- setting indicator parameters

   IndicatorSetString(INDICATOR_SHORTNAME,"Price break PrLOD/HOD Alert");

//---

   ArrayResize(data,3);

   ArraySetAsSeries(data,true);

//---

   return(INIT_SUCCEEDED);

  }

//+------------------------------------------------------------------+

//| Custom indicator deinitialization function                       |

//+------------------------------------------------------------------+

void OnDeinit(const int reason)

  {

//--- timer

   EventKillTimer();

   ObjectsDeleteAll(0,prefix,0);

   ChartRedraw();

//---

  }

//+------------------------------------------------------------------+

//| 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[])

  {

//--- #AB0=>2:0 <0AA82>2 1CD5@>2 :0: B09<A5@89

   ArraySetAsSeries(open,true);

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(low,true);

   ArraySetAsSeries(close,true);

   ArraySetAsSeries(time,true);

//--- @>25@:0 :>;8G5AB20 4>ABC?=KE 10@>2

   if(rates_total<4) return 0;

//--- @>25@:0 8 @0AGQB :>;8G5AB20 ?@>AG8BK205<KE 10@>2

   int limit=rates_total-prev_calculated;

   if(limit>1)

     {

      limit=rates_total-1;

     }



//---  0AGQB 8=48:0B>@0

   static datetime last_time=0;

   for(int i=limit; i>=0 && !IsStopped(); i--)

     {

      //--- Drawing the Lines

      double H=iHigh(NULL,PERIOD_D1,i+1);

      double L=iLow(NULL,PERIOD_D1,i+1);

      datetime line_start=iTime(NULL,PERIOD_D1,i);

      datetime line_end=(i>0 ? iTime(NULL,PERIOD_D1,(i-1)) : iTime(NULL,PERIOD_D1,i)+(1*86400));

      if(H==0 || L==0 || line_start==0 || line_end==0)

         continue;

      string pf=TimeToString(time[i]);

      DrawLine(prefix+"HIGH_"+pf,H,H,line_start,line_end,InpLineColorUP,InpLineWidth,InpStyle,"","High the day at "+TimeToString(line_start-PeriodSeconds(PERIOD_D1)));

      DrawLine(prefix+"LOW_"+pf,L,L,line_start,line_end,InpLineColorDN,InpLineWidth,InpStyle,"","Low the day at "+TimeToString(line_start-PeriodSeconds(PERIOD_D1)));

     }

     

//--- ;5@BK

   if(last_time!=time[0])

     {

      if(close[0]>iHigh(NULL,PERIOD_D1,1))

        {

         string message="Price is Higher than Yesterday's High";

         Notifications(message,InpUseAlerts,InpSendPush,InpSendMail);

         last_time=time[0];

        }

      if(close[0]<iLow(NULL,PERIOD_D1,1))

        {

         string message="Price is Lower than Yesterday's High";

         Notifications(message,InpUseAlerts,InpSendPush,InpSendMail);

         last_time=time[0];

        }

     }



//--- return value of prev_calculated for next call

   return(rates_total);

  }

//+------------------------------------------------------------------+

//| Timer function                                                   |

//+------------------------------------------------------------------+

void OnTimer()

  {

   Time(NULL,PERIOD_D1,1);

  }

//+------------------------------------------------------------------+

//| >72@0I05B 2@5<O 10@0                                            |

//+------------------------------------------------------------------+

datetime Time(const string symbol_name,const ENUM_TIMEFRAMES timeframe,const int index)

  {

   datetime array[];

   return(CopyTime(symbol_name,timeframe,index,1,array)==1 ? array[0] : 0);

  }

//+------------------------------------------------------------------+

//| B?@02;O5B A>>1I5=8O                                             |

//+------------------------------------------------------------------+

void Notifications(const string mess,bool use_alert=true,bool send_push=true,bool send_mail=false)

  {

   string message=Symbol()+", "+TimeframeToString(Period())+": "+mess;

   if(use_alert) Alert(message);

   if(send_mail  && TerminalInfoInteger(TERMINAL_EMAIL_ENABLED)) SendMail(MQLInfoString(MQL_PROGRAM_NAME)+" "+ProgramType()+" Signal",message);

   if(send_push && TerminalInfoInteger(TERMINAL_NOTIFICATIONS_ENABLED)) SendNotification(MQLInfoString(MQL_PROGRAM_NAME)+" "+ProgramType()+" Signal: "+message);

  }

//+------------------------------------------------------------------+

//| >72@0I05B =08<5=>20=85 B8?0 ?@>3@0<<K                           |

//+------------------------------------------------------------------+

string ProgramType(void)

  {

   ENUM_PROGRAM_TYPE type=(ENUM_PROGRAM_TYPE)MQLInfoInteger(MQL_PROGRAM_TYPE);

   return(type==PROGRAM_INDICATOR ? "indicator" : type==PROGRAM_EXPERT ? "expert" : "script");

  }

//+------------------------------------------------------------------+

//| Timeframe to string                                              |

//+------------------------------------------------------------------+

string TimeframeToString(const ENUM_TIMEFRAMES timeframe)

  {

   return StringSubstr(EnumToString(timeframe),7);

  }

//+------------------------------------------------------------------+

//| K2>48B B@5=4>2CN ;8=8N                                          |

//+------------------------------------------------------------------+

void DrawLine(const string name,const double price1,const double price2,const datetime time1,const datetime time2,const color line_color,const int line_width,const ENUM_LINE_STYLE line_style,const string text="\n",const string tooltip="\n")

  {

   if(ObjectFind(0,name)<0)

     {

      ObjectCreate(0,name,OBJ_TREND,0,time1,price1,time2,price2);

      ObjectSetInteger(0,name,OBJPROP_SELECTABLE,false);

      ObjectSetInteger(0,name,OBJPROP_SELECTED,false);

      ObjectSetInteger(0,name,OBJPROP_HIDDEN,true);

      ObjectSetInteger(0,name,OBJPROP_RAY_LEFT,false);

      ObjectSetInteger(0,name,OBJPROP_RAY_RIGHT,false);

     }

   ObjectSetInteger(0,name,OBJPROP_TIME,0,time1);

   ObjectSetInteger(0,name,OBJPROP_TIME,1,time2);

   ObjectSetDouble(0,name,OBJPROP_PRICE,0,price1);

   ObjectSetDouble(0,name,OBJPROP_PRICE,1,price2);

//---

   ObjectSetInteger(0,name,OBJPROP_WIDTH,line_width);

   ObjectSetInteger(0,name,OBJPROP_COLOR,line_color);

   ObjectSetInteger(0,name,OBJPROP_STYLE,line_style);

   ObjectSetString(0,name,OBJPROP_TEXT,text);

   ObjectSetString(0,name,OBJPROP_TOOLTIP,tooltip);

  }

//+------------------------------------------------------------------+