//+------------------------------------------------------------------+
//|                                             EMA_Prediction_2.mq4 |
//|                                                       Codersguru |
//|                                         http://www.forex-tsd.com |
//+------------------------------------------------------------------+


#property copyright "Codersguru"
#property link      "http://www.forex-tsd.com"

extern int TimeFrame=0;
extern int ShortEma=1;
extern int LongEma=2;
extern bool Draw_Lines = true;
extern bool Vertical_Lines = true;
extern bool Show_Thumbs = true;

#property indicator_buffers 4
#property indicator_chart_window
#property indicator_color1 Blue
#property indicator_color2 Red
#property indicator_color3 Blue
#property indicator_color4 Red

double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];
double ExtMapBuffer4[];

double Signal1=0,Signal2=0;
int Previous_Bar = 0;


int init()
  {
  
      IndicatorBuffers(4);
      SetIndexStyle(0,DRAW_ARROW,STYLE_SOLID,2); 
      SetIndexStyle(1,DRAW_ARROW,STYLE_SOLID,2); 
      SetIndexArrow(0, 234);
      SetIndexArrow(1, 233);
      SetIndexBuffer(0,ExtMapBuffer1);
      SetIndexBuffer(1,ExtMapBuffer2);


      SetIndexStyle(2,DRAW_LINE);
      SetIndexBuffer(2,ExtMapBuffer3);
      SetIndexStyle(3,DRAW_LINE);
      SetIndexBuffer(3,ExtMapBuffer4);
      //---- name for DataWindow and indicator subwindow label   
      switch(TimeFrame)
     {
       case 1 : string TimeFrameStr="Period_M1"; break;
       case 5 : TimeFrameStr="Period_M5"; break;
       case 15 : TimeFrameStr="Period_M15"; break;
       case 30 : TimeFrameStr="Period_M30"; break;
       case 60 : TimeFrameStr="Period_H1"; break;
       case 240 : TimeFrameStr="Period_H4"; break;
       case 1440 : TimeFrameStr="Period_D1"; break;
       case 10080 : TimeFrameStr="Period_W1"; break;
       case 43200 : TimeFrameStr="Period_MN1"; break;
       default : TimeFrameStr="Current Timeframe";
     }
     IndicatorShortName("MTF_EMA_Prediction_2 ("+TimeFrameStr+")");   
      

   return(0);
  }


void DrawVertical( int bar , double value, color clr)
   {
      
      static int cnt = 0;
      cnt++;
      string dv = "Signal" + cnt;

      ObjectCreate(dv, OBJ_VLINE, 0, Time[bar], 0);
      ObjectSet(dv, OBJPROP_COLOR, clr);
      ObjectsRedraw();  
   }

void DrawThumb( int bar , int thumb , double value, color clr)
   {
      
      static int cnt = 0;
      cnt++;
      string dv = "thumb" + cnt;

      ObjectCreate(dv, OBJ_ARROW, 0, Time[bar], value);
      if(thumb == 1)
      {
         ObjectSet(dv, OBJPROP_ARROWCODE, 67);
      }
      
      if(thumb == 2)
      {
         ObjectSet(dv, OBJPROP_ARROWCODE, 68);
      }
      ObjectSet(dv, OBJPROP_COLOR, clr);
      ObjectSet(dv, OBJPROP_STYLE  , STYLE_SOLID);
      ObjectSet(dv, OBJPROP_WIDTH  , 3);
      ObjectsRedraw();  
   }
   
int deinit()
  {
   int I = WindowsTotal();
   for (int count = 0; count < WindowsTotal(); count++)
   {
      int nObjects = ObjectsTotal();
      for (int i=nObjects; i>=0; i--) 
      {
         string objName = ObjectName(i);
         if(StringFind(objName, "Signal", 0) >= 0)
         ObjectDelete(objName);
         if(StringFind(objName, "thumb", 0) >= 0)
         ObjectDelete(objName);
      }
   }
   return(0);
  }
int start()
  {
   
   datetime TimeArray[];
   int    i,limit,y=0,counted_bars=IndicatorCounted();
 
// Plot defined time frame on to current time frame
   ArrayCopySeries(TimeArray,MODE_TIME,Symbol(),TimeFrame); 
   
   limit=Bars-counted_bars;
   for(i=0,y=0;i<limit;i++)
   {
   if (Time[i]<TimeArray[y]) y++;
   
//---- 
  
    ExtMapBuffer1[1]=iCustom(NULL,TimeFrame,"EMA_Prediction_2", ShortEma,LongEma,Draw_Lines,Vertical_Lines,Show_Thumbs,Signal1,0,y);
    ExtMapBuffer2[1]=iCustom(NULL,TimeFrame,"EMA_Prediction_2", ShortEma,LongEma,Draw_Lines,Vertical_Lines,Show_Thumbs,Signal2,1,y);
    ExtMapBuffer3[1]=iCustom(NULL,TimeFrame,"EMA_Prediction_2", ShortEma,LongEma,Draw_Lines,Vertical_Lines,Show_Thumbs,2,y);
    ExtMapBuffer4[1]=iCustom(NULL,TimeFrame,"EMA_Prediction_2", ShortEma,LongEma,Draw_Lines,Vertical_Lines,Show_Thumbs,3,y);

    } 
//

    return(0);
   }