//+------------------------------------------------------------------+
//|                                              PriceTargetStub.mq4 |
//|                                    Copyright © 2011, Robert Hill |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2011, Robert Hill"

#property indicator_chart_window
//---- input parameters
extern int PriceTarget = 300;
extern color PriceColor = Yellow;
extern color PriceFontColor = White;
extern int PriceFontSize = 8;
extern int PriceWidth = 1;
extern int LabelShift = 20;
extern int LineShift = 40;

datetime LabelShiftTime, LineShiftTime;



//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- TODO: add your code here

   ObjectDelete("Price Label"); 
   ObjectDelete("Price Line");

   return(0);
  }


//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   static bool displayed = false;
   int    counted_bars=IndicatorCounted();
//---- TODO: add your code here


  LabelShiftTime = Time[LabelShift];
  LineShiftTime = Time[LineShift];

//---- Set line labels on chart window

   if (!displayed)
   {
     double P = Bid + PriceTarget * Point;
     DisplayLabel("Price Label", "Target : " + DoubleToStr(P, Digits), P, PriceFontSize, PriceFontColor);
     DisplayLine("Price Line", P, 0, STYLE_DASH, PriceColor);
     displayed = true;
   }

//---- done
   
//----
   return(0);
  }
  
//---- Set line labels on chart window
void DisplayLabel(string LabelName, string LabelText, double LabelPos, int LabelFontSize, color LabelColor)
{
      if(ObjectFind(LabelName) != 0)
      {
        ObjectCreate(LabelName, OBJ_TEXT, 0, LabelShiftTime, LabelPos);
        ObjectSetText(LabelName, LabelText, LabelFontSize, "Arial", LabelColor);
      }
      else
      {
        ObjectMove(LabelName, 0, LabelShiftTime, LabelPos);
      }
}

//---  Draw lines on chart
void DisplayLine(string LineName, double LinePos, int LineWidth, int LineStyle, color LineColor)
{
      if(ObjectFind(LineName) != 0)
      {
      ObjectCreate(LineName, OBJ_HLINE, 0, LineShiftTime, LinePos);
      ObjectSet(LineName, OBJPROP_STYLE, LineStyle);
      ObjectSet(LineName, OBJPROP_COLOR, LineColor);
      if (LineWidth > 0) ObjectSet(LineName, OBJPROP_WIDTH, LineWidth);
      }
      else
      {
      ObjectMove(LineName, 0, LineShiftTime, LinePos);
      }
}
//+------------------------------------------------------------------+