0_grid_v1_0_mod_horizontal

//+------------------------------------------------------------------
//|                                                         Grid.mq4 
//|                                                          4xcoder 
//|                                              4xcoder@4xcoder.com 
//| 
//| Original Indicator: http://www.forexfactory.com/showthread.php?t=10128 (Post #1)
//| Modifications File45: https://login.mql5.com/en/users/file45/publications
//+------------------------------------------------------------------
#property copyright "Copyright 2014, MetaQuotes Software Corp."
#property link      "http://www.mql5.com"
#property version   "1.00"
#property strict
#property indicator_chart_window

input int   HGrid_Points = 100; // H-Grid Size in points
input color HLine_1 = clrLightSlateGray;      // H-Grid 1 Color
input color HLine_2 = clrLightSlateGray;       // H-Grid 2 Color
input int   Line_1_Style = 2;     // Line 1 Style
input int   Line_1_Width = 1;     // Line 1 Width
input int   Line_2_Style = 2;     // Line 2 Style
input int   Line_2_Width = 1;     // Line 2 Width
input int   HGrid_Weeks = 10;    // Weeks

input bool Show_Label = true; // Show Label
input color Font_Color = clrDodgerBlue;  // Label Color
input int Font_Size = 11; // Font Size
input bool Font_Bold = false;  // Font Bold
input int Font_Corner = 1;  // Corner
input int Left_Right = 20;  // Left - Right
input int Up_Down = 150;  // Up - Down

string HGrid_text;
string FB;

bool firstTime = true;
datetime lastTime = 0;

int OnInit()
{
   firstTime = true;
   
   switch(Font_Bold)
   {
      case 0 : FB = "Arial"; break;
      case 1 : FB = "Arial Bold"; break;
   }   
   
   return(INIT_SUCCEEDED);
}

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[])
{
   ObjectCreate("HGrid_txt", OBJ_LABEL, 0, 0, 0);
   ObjectSet("HGrid_txt", OBJPROP_CORNER, Font_Corner);
   ObjectSet("HGrid_txt", OBJPROP_XDISTANCE, Left_Right);
   ObjectSet("HGrid_txt", OBJPROP_YDISTANCE, Up_Down); 
   if(Show_Label == 1)
   {
      ObjectSetText("HGrid_txt", "HG : " + string(HGrid_Points), Font_Size, FB, Font_Color);
   }
   else
   {
      ObjectSetText("HGrid_txt", "");
   }      
      
   int    counted_bars=IndicatorCounted();

   if(true /*lastTime == 0 || CurTime() - lastTime > 5*/ ) 
   {
      firstTime = false;
      lastTime = CurTime();
      
      if(HGrid_Weeks > 0 && HGrid_Points > 0 ) 
      {
         double weekH = iHigh( NULL, PERIOD_W1, 0 );
         double weekL = iLow( NULL, PERIOD_W1, 0 );
         
         for(int i = 1; i < HGrid_Weeks; i++ ) 
         {
            weekH = MathMax( weekH, iHigh( NULL, PERIOD_W1, i ) );
            weekL = MathMin( weekL, iLow( NULL, PERIOD_W1, i ) );
         }
      
         double pipRange = HGrid_Points * Point;
         if (Symbol() == "GOLD" || Symbol() == "XAUUSD")
         {
            pipRange = pipRange * 10.0;
         }   

         double topPips = (weekH + pipRange) - MathMod( weekH, pipRange );
         double botPips = weekL - MathMod( weekL, pipRange );
      
         for ( double p = botPips; p <= topPips; p += pipRange ) 
         {
            string gridname = "grid_" + DoubleToStr( p, Digits );
            ObjectCreate( gridname, OBJ_HLINE, 0, 0, p );
            
            double pp = p / Point;
            int pInt = MathRound( pp );
            int mod = 100;
            if ( Symbol() == "GOLD" || Symbol() == "XAUUSD")
               mod = 1000;
            if ( (pInt % mod) == 0 )
            {
               ObjectSet( gridname, OBJPROP_COLOR, HLine_2 );
               ObjectSet( gridname, OBJPROP_STYLE, Line_2_Style );
               ObjectSet( gridname, OBJPROP_WIDTH, Line_2_Width );
            }   
            else
            {
               ObjectSet( gridname, OBJPROP_COLOR, HLine_1 );
               ObjectSet( gridname, OBJPROP_STYLE, Line_1_Style );
               ObjectSet( gridname, OBJPROP_WIDTH, Line_1_Width );
               ObjectSet( gridname, OBJPROP_PRICE1, p );
               ObjectSet( gridname, OBJPROP_BACK, true );
            }   
         }
      }         
   }
   
   return(rates_total);
}

int deinit()
{
   for(int i = ObjectsTotal() - 1; i >= 0; i--) 
   {
      string name = ObjectName( i );
      if ( StringFind( name, "grid_" ) >= 0 ) 
         ObjectDelete( name );
   }
   ObjectDelete("HGrid_txt");
   
   return(0);
}