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OsMA_Color2Alert.mq4

Time: 2014-10-10 | Download file:OsMA_Color2Alert.mq4

//+------------------------------------------------------------------+
//|                                                         OsMA.mq4 |
//|                      Copyright © 2004, MetaQuotes Software Corp. |
//|                                       http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property  copyright "Copyright © 2004, MetaQuotes Software Corp."
#property  link      "http://www.metaquotes.net/"
//---- indicator settings
#property  indicator_separate_window
#property  indicator_buffers 4
#property  indicator_color1  LimeGreen
#property  indicator_color2  Green
#property  indicator_color3  Red
#property  indicator_color4  Maroon
#property indicator_width1 4 
#property indicator_width2 4 
#property indicator_width3 4 
#property indicator_width4 4 

//#property  indicator_level1  0.0003
//#property  indicator_level2  -0.0003

//---- indicator buffers
extern int FastEMA=15;
extern int SlowEMA=30;
extern int SignalSMA=100;
extern bool AlertOn = false;
extern bool EmailOn = false;


double     ind_buffer1[], ind_buffer1s[];
double     ind_buffer2[], ind_buffer2s[];
double     ind_buffer3[];



bool NewBar() {

	static datetime LastTime = 0;

	if (Time[0] != LastTime) {
		LastTime = Time[0];		
		return (true);
	} else
		return (false);
}





//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- 1 additional buffer used for counting.
   IndicatorBuffers(5);
   //---- drawing settings
   SetIndexStyle(0,DRAW_HISTOGRAM,STYLE_SOLID);
   SetIndexStyle(1,DRAW_HISTOGRAM,STYLE_SOLID);
   SetIndexStyle(2,DRAW_HISTOGRAM,STYLE_SOLID);
   SetIndexStyle(3,DRAW_HISTOGRAM,STYLE_SOLID);
   IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+1);
   SetIndexDrawBegin(0,34);
   SetIndexDrawBegin(1,34);
   SetIndexDrawBegin(3,34);
   SetIndexDrawBegin(4,34);
//---- 3 indicator buffers mapping
   if(!SetIndexBuffer(0,ind_buffer1) &&
      !SetIndexBuffer(1,ind_buffer1s) &&
      !SetIndexBuffer(2,ind_buffer2) &&
      !SetIndexBuffer(3,ind_buffer2s) &&
      !SetIndexBuffer(4,ind_buffer3))
      Print("cannot set indicator buffers!");
//---- name for DataWindow and indicator subwindow label
   IndicatorShortName("OsMA("+FastEMA+","+SlowEMA+","+SignalSMA+")");
//---- initialization done
   return(0);
  }
//+------------------------------------------------------------------+
//| Awesome Oscillator                                               |
//+------------------------------------------------------------------+
int start()
  {
   int    limit;
   int    counted_bars=IndicatorCounted();
   double prev,current;
//---- check for possible errors
   if(counted_bars<0) return(-1);
   //---- last counted bar will be recounted
   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;
//---- macd counted in the 1-st additional buffer
   for(int i=0; i=0; i--)
     {
      current=ind_buffer3[i];
      prev=ind_buffer3[i+1];
      if (((current<0)&&(prev>0))||(current<0))   up= false;    
      if (((current>0)&&(prev<0))||(current>0))   up= true;  
      
      if(!up)
        {
         if(current > prev)
           {
            ind_buffer2s[i]=current;
            ind_buffer2[i]=0.0;
            ind_buffer1[i]=0.0;
            ind_buffer1s[i]=0.0;             
           }        
         else
           {
            ind_buffer2[i]=current;
            ind_buffer2s[i]=0.0;
            ind_buffer1[i]=0.0;
            ind_buffer1s[i]=0.0;            
           }             
        }
        else
        {
         if(current < prev)
           {
            ind_buffer1s[i]=current;
            ind_buffer1[i]=0.0;
            ind_buffer2[i]=0.0;
            ind_buffer2s[i]=0.0;
           }
        else
           {
            ind_buffer1[i]=current;
            ind_buffer1s[i]=0.0;
            ind_buffer2[i]=0.0;
            ind_buffer2s[i]=0.0;
            }           
         }       
     }
     
     if (NewBar())
     {
      string CurrColor;
      string PrevColor;
      
      //calc CurrColor
      if (ind_buffer1[1] != 0)
          CurrColor = "LimeGreen";
      if (ind_buffer1s[1] != 0)
          CurrColor = "Green";
      if (ind_buffer2[1] != 0)
          CurrColor = "Red";
      if (ind_buffer2s[1] != 0)
          CurrColor = "Maroon";
          
      //Calc PrevColor
      if (ind_buffer1[2] != 0)
          PrevColor = "LimeGreen";
      if (ind_buffer1s[2] != 0)
          PrevColor = "Green";
      if (ind_buffer2[2] != 0)
          PrevColor = "Red";
      if (ind_buffer2s[2] != 0)
          PrevColor = "Maroon";
          
      
      
      if (CurrColor != PrevColor)
      {
         
         string AlertText = Symbol() + ": oSMA Color Change";
        
         if (AlertOn)
            Alert(AlertText);
         if (EmailOn)              
            SendMail(AlertText,"");
      }   
}
     
//---- done
   return(0);
  }

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