//+------------------------------------------------------------------+
//|                                                        Ticks.mq4 |
//|                                          Copyright © 2009 RoboFx |
//|                                            http://www.robofx.org |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2009 RoboFx"
#property link      "http://www.robofx.org"

#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 Pink
#property indicator_color2 LightBlue

int tickCounter = 1500;
int MaxDrawTicks = 500;

//Buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];

void ShiftArray()
{
   int Vlines;
   string delimeterName;
   datetime firstTime;
   int BarFirstTime;
   
   if(tickCounter>2*MaxDrawTicks)
   {
      for(int i=tickCounter;i>=MaxDrawTicks;i--)
      {
         ExtMapBuffer1[i]=0.0;
         ExtMapBuffer2[i]=0.0;
      }
      tickCounter=MaxDrawTicks;
   }
   for(int c=tickCounter;c>0;c--)
   {
      ExtMapBuffer1[c]=ExtMapBuffer1[c-1];
      ExtMapBuffer2[c]=ExtMapBuffer2[c-1];
   }
   Vlines=ObjectsTotal();
   for(c=0;c<Vlines;c++)
   {
      delimeterName=ObjectName(c);
      if(ObjectFind(delimeterName)!=-1)
      {
         if(ObjectType(delimeterName)==OBJ_VLINE)
         {
            firstTime=ObjectGet(delimeterName,OBJPROP_TIME1);
            BarFirstTime=iBarShift(NULL,0,firstTime);
            firstTime=Time[BarFirstTime+1];
            ObjectSet(delimeterName, OBJPROP_TIME1, firstTime);
         }
      }
   }
}

bool NewBar()
{
   static datetime lastbar = 0;
   datetime curbar = Time[0];
   if(lastbar!=curbar)
   {
      lastbar=curbar;
      return (true);
   }
   return (false);
}

void SetDelimeter()
{
   string delimeterDate=TimeToStr(Time[0]);
   int handle=WindowFind("Ticks");
   if(!ObjectCreate(delimeterDate, OBJ_VLINE, handle, Time[0], 0))
      Print("Unable to create delimeter! Error " + GetLastError());
   else
   {
      ObjectSet(delimeterDate, OBJPROP_COLOR, LightBlue);
      ObjectSet(delimeterDate, OBJPROP_STYLE, STYLE_DASHDOT);
      ObjectsRedraw();
   }
}

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
{
   SetIndexStyle(0, DRAW_LINE);
   SetIndexStyle(1, DRAW_LINE);
   SetIndexBuffer(0,ExtMapBuffer1);
   SetIndexBuffer(1,ExtMapBuffer2);
   SetIndexLabel(0, "Bid line");
   SetIndexLabel(1, "Ask line");
   IndicatorShortName("Ticks");
   return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
{
   int    counted_bars=IndicatorCounted();
   
   if(NewBar())
   {
      tickCounter++;
      SetDelimeter();
      ExtMapBuffer1[0]=Bid;
      ExtMapBuffer2[0]=Ask;
   }
   else
   {
      tickCounter++;
      ShiftArray();
      ExtMapBuffer1[0]=Bid;
      ExtMapBuffer2[0]=Ask;
   }
   
//----
   return(0);
  }
//+------------------------------------------------------------------+