//+------------------------------------------------------------------+
//|                                                 MTF H L Med. mq4 |
//|                                                                  |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright ""
#property link      ""

#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 DeepSkyBlue
#property indicator_color2 Red
#property indicator_color3 Yellow
#property indicator_color4 LightGray


//---- input parameters
/*************************************************************************
PERIOD_M1   1
PERIOD_M5   5
PERIOD_M15  15
PERIOD_M30  30 
PERIOD_H1   60
PERIOD_H4   240
PERIOD_D1   1440
PERIOD_W1   10080
PERIOD_MN1  43200
You must use the numeric value of the timeframe that you want to use
when you set the TimeFrame' value with the indicator inputs.
---------------------------------------
**************************************************************************/
extern int  TimeFrame=30;
extern bool LabelsOn = true;
extern bool AlertOn = true;


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

datetime timeh = 0,timel = 0, timeo = 0, timec = 0, once = 0;
double Mult = 1;

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   
//---- indicator line
   if ( Digits == 5 || Digits == 3 )
      Mult = 10;
       
     

//---- 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";
   } 
   
   
   SetIndexBuffer(0,ExtMapBuffer1);
   //SetIndexStyle(0,DRAW_LINE,0,1);
   //SetIndexDrawBegin(0,3);
   SetIndexStyle(0,DRAW_ARROW,0,0);
   SetIndexArrow(0,59);
   SetIndexLabel(0,TimeFrameStr+" High");
//   SetIndexShift(0,2);
   
   SetIndexBuffer(1,ExtMapBuffer2);
   //SetIndexStyle(1,DRAW_LINE,0,1);
   //SetIndexDrawBegin(1,3);
   SetIndexStyle(1,DRAW_ARROW,0,0);
   SetIndexArrow(1,59);
   SetIndexLabel(1,TimeFrameStr+" Low");
   //SetIndexShift(1,10);   

   SetIndexBuffer(2,ExtMapBuffer3);
   //SetIndexStyle(2,DRAW_LINE,0,1);
   //SetIndexDrawBegin(2,3);
   SetIndexStyle(2,DRAW_ARROW,0,0);
   SetIndexArrow(2,59);
   SetIndexLabel(2,TimeFrameStr+" Close");
//   SetIndexShift(2,2);

   SetIndexBuffer(3,ExtMapBuffer4);
   //SetIndexStyle(2,DRAW_LINE,0,1);
   //SetIndexDrawBegin(2,3);
   SetIndexStyle(3,DRAW_ARROW,0,0);
   SetIndexLabel(3,TimeFrameStr+" Open");
   SetIndexArrow(3,59);
//   SetIndexShift(2,2);
   IndicatorShortName(" Open High Low Close "+TimeFrameStr);  
   
   return(0);
  }
  
//----


int deinit()
  {
//----
   Comment("");
   
   for(int i = 0; i < ObjectsTotal(); i++)
     {
       if(StringFind(ObjectName(i), "o", 0) == 0 || StringFind(ObjectName(i), "h", 0) || StringFind(ObjectName(i), "l", 0) || StringFind(ObjectName(i), "c", 0) )
         {
           ObjectDelete(ObjectName(i));
           i--;
         }
     }
//----
   return(0);
  }   
 
//+------------------------------------------------------------------+
//| MTF Fractals                                                     |
//+------------------------------------------------------------------+
int start()
  {
  
   datetime TimeArray[];
   int    i,shift,limit,y=0,counted_bars=IndicatorCounted();
   string on;
    
// Plot defined timeframe on to current timeframe   
   ArrayCopySeries(TimeArray,MODE_TIME,Symbol(),TimeFrame); 
   
   limit=Bars-counted_bars+TimeFrame/Period();
   for(i=0,y=0;i<limit;i++)
   {
   if (Time[i]<TimeArray[y]) y++; 
   
 /***********************************************************   
   Add your main indicator loop below.  You can reference an existing
   indicator with its iName  or iCustom.
   Rule 1:  Add extern inputs above for all neccesary values   
   Rule 2:  Use 'TimeFrame' for the indicator timeframe
   Rule 3:  Use 'y' for the indicator's shift value
 **********************************************************/  
     
   ExtMapBuffer1[i] = iHigh(NULL,TimeFrame,y);  
   if ( timeh != TimeArray[y] && LabelsOn )
      {
         on = "h" + TimeArray[y];  
         ObjectDelete(on); 
         ObjectCreate(on, OBJ_TEXT, 0, Time[i+3], ExtMapBuffer1[i]+(3*Point*Mult) ); 
         ObjectSetText(on, "High "+DoubleToStr(ExtMapBuffer1[i],Digits), 8, "Arial", DeepSkyBlue); 
         timeh = TimeArray[y]; 
      }  
   ExtMapBuffer2[i] = iLow (NULL,TimeFrame,y);
   if ( timel != TimeArray[y] && LabelsOn )
      {
         on = "l" + TimeArray[y];  
         ObjectDelete(on); 
         ObjectCreate(on, OBJ_TEXT, 0, Time[i+3], ExtMapBuffer2[i]-(1*Point*Mult) ); 
         ObjectSetText(on, "Low "+DoubleToStr(ExtMapBuffer2[i],Digits), 8, "Arial", Red); 
         timel = TimeArray[y]; 
      }
   ExtMapBuffer3[i] = iClose(NULL,TimeFrame,y);
   if ( timec != TimeArray[y] && LabelsOn )
      {
         on = "c" + TimeArray[y];  
         ObjectDelete(on); 
         ObjectCreate(on, OBJ_TEXT, 0, Time[i+3], ExtMapBuffer3[i]+(3*Point*Mult) ); 
         ObjectSetText(on, "Close "+DoubleToStr(ExtMapBuffer3[i],Digits), 8, "Arial", Yellow); 
         timec = TimeArray[y]; 
      }
   ExtMapBuffer4[i] = iOpen(NULL,TimeFrame,y);
   if ( timeo != TimeArray[y] && LabelsOn )
      {
         on = "o" + TimeArray[y];  
         ObjectDelete(on); 
         ObjectCreate(on, OBJ_TEXT, 0, Time[i+3], ExtMapBuffer4[i]-(1*Point*Mult) ); 
         ObjectSetText(on, "Open "+DoubleToStr(ExtMapBuffer4[i],Digits), 8, "Arial", LightGray); 
         timeo = TimeArray[y]; 
      }

   
   } 
   if (AlertOn)
   {
      if (Close[0] < iLow (NULL,TimeFrame,1) && once != Time[0])
         {
            Alert(Symbol()," has just dropped below M", TimeFrame, " LOW" );
            once = Time[0];
         }
      if (Close[0] > iHigh (NULL,TimeFrame,1) && once != Time[0])
         {
            Alert(Symbol()," has just climbed above M", TimeFrame, " HIGH" );
            once = Time[0];
         } 
   }        
            
//
   
  
  
   return(0);
  }
//+------------------------------------------------------------------+