ADX Crossing_alerts_v1

//+------------------------------------------------------------------+
//| ADX Crossing.mq4 
//| Amir
//+------------------------------------------------------------------+
#property  copyright "Author - Amir"

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Lime
#property indicator_color2 Red

//---- input parameters
extern int       ADXbars                 = 14;
extern int       CountBars               = 350;
extern string    note13                  = "turn on soundAlert = true; turn off = false";
extern bool      SoundON                 = true;

extern string    note15                  = "send Email Alert = true; turn off = false";
extern bool      EmailON                 = false;

extern string    note17                  = "turn on Alert = true; turn off = false";
extern bool      AlertON                 = true;
extern string    SoundFileName           = "alert.wav";

extern string    note7                   = "Arrow Type";
extern string    note8                   = "0=defaultRound,1=Thick, 2=Thin, 3=Hollow, 4=Round";
extern string    note9                   = "5=Fractal, 6=Diagonal Thin,7=Diagonal Thick";
extern string    note10                  = "8=Diagonal Hollow, 8=Thumb";
extern string    note11                  = " 10 = Finger";
extern int       ArrowType               = 0;

//---- buffers
double CrossUp[];
double CrossDown[];
double b4plusdi,nowplusdi,b4minusdi,nowminusdi;
int    flagval1 = 0;
int    flagval2 = 0;

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   string short_name;
//---- indicator line
   IndicatorBuffers(2);
   
   if (ArrowType == 0) { 
   SetIndexBuffer(0, CrossUp);    SetIndexStyle(0, DRAW_ARROW); SetIndexArrow(0, 108);
   SetIndexBuffer(1, CrossDown);  SetIndexStyle(1, DRAW_ARROW); SetIndexArrow(1, 108);
   }
   else if (ArrowType == 1) {
   SetIndexBuffer(0, CrossUp);    SetIndexStyle(0, DRAW_ARROW); SetIndexArrow(0, 233);
   SetIndexBuffer(1, CrossDown);  SetIndexStyle(1, DRAW_ARROW); SetIndexArrow(1, 234);
   }
   else if (ArrowType == 2) { 
   SetIndexBuffer(0, CrossUp);    SetIndexStyle(0, DRAW_ARROW); SetIndexArrow(0, 225);
   SetIndexBuffer(1, CrossDown);  SetIndexStyle(1, DRAW_ARROW); SetIndexArrow(1, 226);
   }
   else if (ArrowType == 3) { 
   SetIndexBuffer(0, CrossUp);    SetIndexStyle(0, DRAW_ARROW); SetIndexArrow(0, 241);
   SetIndexBuffer(1, CrossDown);  SetIndexStyle(1, DRAW_ARROW); SetIndexArrow(1, 242);
   }
   else if (ArrowType == 4) { 
   SetIndexBuffer(0, CrossUp);    SetIndexStyle(0, DRAW_ARROW); SetIndexArrow(0, 221);
   SetIndexBuffer(1, CrossDown);  SetIndexStyle(1, DRAW_ARROW); SetIndexArrow(1, 222);
   }
   else if (ArrowType == 5) { 
   SetIndexBuffer(0, CrossUp);    SetIndexStyle(0, DRAW_ARROW); SetIndexArrow(0, 217);
   SetIndexBuffer(1, CrossDown);  SetIndexStyle(1, DRAW_ARROW); SetIndexArrow(1, 218);
   }
   else if (ArrowType == 6) { 
   SetIndexBuffer(0, CrossUp);    SetIndexStyle(0, DRAW_ARROW); SetIndexArrow(0, 228);
   SetIndexBuffer(1, CrossDown);  SetIndexStyle(1, DRAW_ARROW); SetIndexArrow(1, 230);
   }
   else if (ArrowType == 7) { 
   SetIndexBuffer(0, CrossUp);    SetIndexStyle(0, DRAW_ARROW); SetIndexArrow(0, 236);
   SetIndexBuffer(1, CrossDown);  SetIndexStyle(1, DRAW_ARROW); SetIndexArrow(1, 238);
   }
   else if (ArrowType == 8) { 
   SetIndexBuffer(0, CrossUp);    SetIndexStyle(0, DRAW_ARROW); SetIndexArrow(0, 246);
   SetIndexBuffer(1, CrossDown);  SetIndexStyle(1, DRAW_ARROW); SetIndexArrow(1, 248);
   }
   else if (ArrowType == 9) { 
   SetIndexBuffer(0, CrossUp);    SetIndexStyle(0, DRAW_ARROW); SetIndexArrow(0, 67);
   SetIndexBuffer(1, CrossDown);  SetIndexStyle(1, DRAW_ARROW); SetIndexArrow(1, 68);
   }
   else if (ArrowType == 10) { 
   SetIndexBuffer(0, CrossUp);    SetIndexStyle(0, DRAW_ARROW); SetIndexArrow(0, 71);
   SetIndexBuffer(1, CrossDown);  SetIndexStyle(1, DRAW_ARROW); SetIndexArrow(1, 72);
   }
//----
   return(0);
  }
int deinit()
{
   return(0);
}

//+------------------------------------------------------------------+
//| AltrTrend_Signal_v2_2                                            |
//+------------------------------------------------------------------+
int start()
  {   
   int    counted_bars=IndicatorCounted();
   int limit,i;
   
   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;     
           
   for(i=limit; i>=0; i--)
   {
	b4plusdi=iADX(NULL,0,ADXbars,PRICE_CLOSE,MODE_PLUSDI,i+1);
	nowplusdi=iADX(NULL,0,ADXbars,PRICE_CLOSE,MODE_PLUSDI,i);
	b4minusdi=iADX(NULL,0,ADXbars,PRICE_CLOSE,MODE_MINUSDI,i+1);
  	nowminusdi=iADX(NULL,0,ADXbars,PRICE_CLOSE,MODE_MINUSDI,i);
  	 
if (b4plusdi<=b4minusdi && nowplusdi>nowminusdi)
{
	if (i == 1 && flagval1==0)
   {
   flagval1=1;
   flagval2=0;
   if (AlertON) Alert(" ADX BUY signal at Ask=",Ask,"\n Bid=",Bid,"\n Time=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period());
   if (EmailON) SendMail("ADX BUY signal alert","BUY signal at Ask="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period());
   if (SoundON) PlaySound(SoundFileName);
   }
   CrossUp[i] = Low[i] - iATR(NULL,0,20,i)/2.0;
   }
else if (b4plusdi>=b4minusdi && nowplusdi<nowminusdi) 
	{
   if (i == 1 && flagval2==0)
   {
   flagval2=1;
   flagval1=0;
   if (AlertON) Alert("ADX SELL signal at Ask=",Ask,"\n Bid=",Bid,"\n Date=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period());
   if (EmailON) SendMail("ADX SELL signal alert","SELL signal at Ask="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period());
   if (SoundON) PlaySound(SoundFileName);
   }
   CrossDown[i] = High[i] + iATR(NULL,0,20,i)/2.0;
   }
 }

return(0);
}