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Sentiment_zone_oscillator_histo_arrows_+_alerts_mtf_nmc.mq4

Time: 2014-12-04 | Download file:Sentiment_zone_oscillator_histo_arrows_+_alerts_mtf_nmc.mq4

//------------------------------------------------------------------
#property copyright "www.forex-tsd.com"
#property link      "www.forex-tsd.com"
//------------------------------------------------------------------
#property indicator_separate_window
#property indicator_buffers 6
#property indicator_color1  Green
#property indicator_color2  Red
#property indicator_color3  Silver
#property indicator_color4  LimeGreen
#property indicator_color5  PaleVioletRed
#property indicator_color6  Goldenrod
#property indicator_style4  STYLE_DOT
#property indicator_style5  STYLE_DOT
#property indicator_width1  2
#property indicator_width2  2
#property indicator_width3  2
#property indicator_width6  2

//
//
//
//
//

extern string TimeFrame        = "Current time frame";
extern int    SZOPeriod        = 14;
extern int    SZOLongPeriod    = 30;
extern int    SZOPrice         = PRICE_CLOSE;
extern double SZOPercent       = 95;
extern int    AveragePeriod    = 14;
extern int    AverageType      = MODE_EMA;
extern bool   alertsOn         = false;
extern bool   alertsOnCurrent  = true;
extern bool   alertsMessage    = true;
extern bool   alertsSound      = false;
extern bool   alertsNotify     = false;
extern bool   alertsEmail      = false;
extern string soundFile        = "alert2.wav";
extern bool   ShowArrows       = false;
extern string arrowsIdentifier = "szo Arrows1";
extern double arrowsUpperGap   = 1.0;
extern double arrowsLowerGap   = 1.0;
extern color  arrowsUpColor    = LimeGreen;
extern color  arrowsDnColor    = Red;
extern int    arrowsUpCode     = 241;
extern int    arrowsDnCode     = 242;


//
//
//
//
//

double szoUp[];
double szoDn[];
double szo[];
double upz[];
double dnz[];
double avg[];
double prices[];
double trend[];

string indicatorFileName;
bool   returnBars;
bool   calculateValue;
int    timeFrame;

//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//

int init()
{
   IndicatorBuffers(8);
   SetIndexBuffer(0,szoUp); SetIndexStyle(0,DRAW_HISTOGRAM);
   SetIndexBuffer(1,szoDn); SetIndexStyle(1,DRAW_HISTOGRAM);
   SetIndexBuffer(2,szo);
   SetIndexBuffer(3,upz);
   SetIndexBuffer(4,dnz);
   SetIndexBuffer(5,avg);
   SetIndexBuffer(6,prices);
   SetIndexBuffer(7,trend);

      //
      //
      //
      //
      //
      
         indicatorFileName = WindowExpertName();
         calculateValue    = TimeFrame=="calculateValue"; if (calculateValue) { return(0); }
         returnBars        = TimeFrame=="returnBars";     if (returnBars)     { return(0); }
         timeFrame         = stringToTimeFrame(TimeFrame);
      
      //
      //
      //
      //
      //
               
      IndicatorShortName(timeFrameToString(timeFrame)+" Sentiment zone oscillator ("+SZOPeriod+","+SZOLongPeriod+")");
   return(0);
}
int deinit() 
{  
   deleteArrows(); 
return(0); 
}

//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//

int start()
{
   int counted_bars=IndicatorCounted();
      if(counted_bars<0) return(-1);
      if(counted_bars>0) counted_bars--;
           int limit=MathMin(Bars-counted_bars,Bars-1);
           if (returnBars) { upz[0] = MathMin(limit+1,Bars-1); return(0); }

   //
   //
   //
   //
   //

   if (calculateValue || timeFrame == Period())
   {
      for(int i=limit; i>=0; i--)
      {
         prices[i] = iMA(NULL,0,1,0,MODE_SMA,SZOPrice,i);
         double useValue = 0;
            if (prices[i]>prices[i+1]) useValue =  1;
            if (prices[i]0) trend[i] = 1; 
            if (szo[i]<0) trend[i] =-1;
            if (trend[i] == 1) szoUp[i] = szo[i]; 
            if (trend[i] ==-1) szoDn[i] = szo[i];
            
            //
            //
            //
            //
            //
            
            double hi = szo[ArrayMaximum(szo,SZOLongPeriod,i)];
            double lo = szo[ArrayMinimum(szo,SZOLongPeriod,i)];
            double rn = hi-lo;
            upz[i] = lo+rn*SZOPercent/100.0;
            dnz[i] = hi-rn*SZOPercent/100.0;
            
            //
            //
            //
            //
            //
     
            if (ShowArrows)
            {
               deleteArrow(Time[i]);
               if (trend[i] != trend[i+1])
               {
                 if (trend[i] == 1)  drawArrow(i,arrowsUpColor,arrowsUpCode,false);
                 if (trend[i] ==-1)  drawArrow(i,arrowsDnColor,arrowsDnCode, true);
               }
            }
      }       
      for(i=limit; i>=0; i--) avg[i] = iMAOnArray(szo,0,AveragePeriod,0,AverageType,i);
      
      //
      //
      //
      //
      //
      
      if (alertsOn)
      {
        if (alertsOnCurrent)
             int whichBar = 0;
        else     whichBar = 1; 
        if (trend[whichBar] != trend[whichBar+1])
        if (trend[whichBar] == 1)
              doAlert("crossing zero up");
        else  doAlert("crossing zero down");       
      }       
return(0);
}
   
   //
   //
   //
   //
   //
   
   limit = MathMax(limit,MathMin(Bars-1,iCustom(NULL,timeFrame,indicatorFileName,"returnBars",0,0)*timeFrame/Period()));
   for(i=limit; i>=0; i--)
   {
      int y = iBarShift(NULL,timeFrame,Time[i]);
         szoUp[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",SZOPeriod,SZOLongPeriod,SZOPrice,SZOPercent,AveragePeriod,AverageType,alertsOn,alertsOnCurrent,alertsMessage,alertsSound,alertsNotify,alertsEmail,soundFile,ShowArrows,arrowsIdentifier,arrowsUpperGap,arrowsLowerGap,arrowsUpColor,arrowsDnColor,arrowsUpCode,arrowsDnCode,0,y);
         szoDn[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",SZOPeriod,SZOLongPeriod,SZOPrice,SZOPercent,AveragePeriod,AverageType,alertsOn,alertsOnCurrent,alertsMessage,alertsSound,alertsNotify,alertsEmail,soundFile,ShowArrows,arrowsIdentifier,arrowsUpperGap,arrowsLowerGap,arrowsUpColor,arrowsDnColor,arrowsUpCode,arrowsDnCode,1,y);
         szo[i]   = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",SZOPeriod,SZOLongPeriod,SZOPrice,SZOPercent,AveragePeriod,AverageType,alertsOn,alertsOnCurrent,alertsMessage,alertsSound,alertsNotify,alertsEmail,soundFile,ShowArrows,arrowsIdentifier,arrowsUpperGap,arrowsLowerGap,arrowsUpColor,arrowsDnColor,arrowsUpCode,arrowsDnCode,2,y);
         upz[i]   = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",SZOPeriod,SZOLongPeriod,SZOPrice,SZOPercent,AveragePeriod,AverageType,alertsOn,alertsOnCurrent,alertsMessage,alertsSound,alertsNotify,alertsEmail,soundFile,ShowArrows,arrowsIdentifier,arrowsUpperGap,arrowsLowerGap,arrowsUpColor,arrowsDnColor,arrowsUpCode,arrowsDnCode,3,y);
         dnz[i]   = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",SZOPeriod,SZOLongPeriod,SZOPrice,SZOPercent,AveragePeriod,AverageType,alertsOn,alertsOnCurrent,alertsMessage,alertsSound,alertsNotify,alertsEmail,soundFile,ShowArrows,arrowsIdentifier,arrowsUpperGap,arrowsLowerGap,arrowsUpColor,arrowsDnColor,arrowsUpCode,arrowsDnCode,4,y);
         avg[i]   = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",SZOPeriod,SZOLongPeriod,SZOPrice,SZOPercent,AveragePeriod,AverageType,alertsOn,alertsOnCurrent,alertsMessage,alertsSound,alertsNotify,alertsEmail,soundFile,ShowArrows,arrowsIdentifier,arrowsUpperGap,arrowsLowerGap,arrowsUpColor,arrowsDnColor,arrowsUpCode,arrowsDnCode,5,y);
   }
return(0);      
}

//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//

double workTema[][3];
#define _ema1 0
#define _ema2 1
#define _ema3 2

double iTema(double price, double period, int r, int instanceNo=0)
{
   if (ArrayRange(workTema,0)!= Bars) ArrayResize(workTema,Bars); instanceNo*=3; r = Bars-r-1;

   //
   //
   //
   //
   //
      
   double alpha = 2.0 / (1.0+period);
          workTema[r][_ema1+instanceNo] = workTema[r-1][_ema1+instanceNo]+alpha*(price                        -workTema[r-1][_ema1+instanceNo]);
          workTema[r][_ema2+instanceNo] = workTema[r-1][_ema2+instanceNo]+alpha*(workTema[r][_ema1+instanceNo]-workTema[r-1][_ema2+instanceNo]);
          workTema[r][_ema3+instanceNo] = workTema[r-1][_ema3+instanceNo]+alpha*(workTema[r][_ema2+instanceNo]-workTema[r-1][_ema3+instanceNo]);
   return(workTema[r][_ema3+instanceNo]+3.0*(workTema[r][_ema1+instanceNo]-workTema[r][_ema2+instanceNo]));
}

//-------------------------------------------------------------------
//
//-------------------------------------------------------------------
//
//
//
//
//

string sTfTable[] = {"M1","M5","M15","M30","H1","H4","D1","W1","MN"};
int    iTfTable[] = {1,5,15,30,60,240,1440,10080,43200};

//
//
//
//
//

int stringToTimeFrame(string tfs)
{
   tfs = stringUpperCase(tfs);
   for (int i=ArraySize(iTfTable)-1; i>=0; i--)
         if (tfs==sTfTable[i] || tfs==""+iTfTable[i]) return(MathMax(iTfTable[i],Period()));
                                                      return(Period());
}
string timeFrameToString(int tf)
{
   for (int i=ArraySize(iTfTable)-1; i>=0; i--) 
         if (tf==iTfTable[i]) return(sTfTable[i]);
                              return("");
}

//
//
//
//
//

string stringUpperCase(string str)
{
   string   s = str;

   for (int length=StringLen(str)-1; length>=0; length--)
   {
      int tchar = StringGetChar(s, length);
         if((tchar > 96 && tchar < 123) || (tchar > 223 && tchar < 256))
                     s = StringSetChar(s, length, tchar - 32);
         else if(tchar > -33 && tchar < 0)
                     s = StringSetChar(s, length, tchar + 224);
   }
   return(s);
}

//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//

void doAlert(string doWhat)
{
   static string   previousAlert="nothing";
   static datetime previousTime;
   string message;
   
      if (previousAlert != doWhat || previousTime != Time[0]) {
          previousAlert  = doWhat;
          previousTime   = Time[0];

          //
          //
          //
          //
          //

          message =  StringConcatenate(Symbol()," ",timeFrameToString(timeFrame)," at ",TimeToStr(TimeLocal(),TIME_SECONDS)," Sentiment zone oscillator ",doWhat);
             if (alertsMessage) Alert(message);
             if (alertsNotify)  SendNotification(message);
             if (alertsEmail)   SendMail(StringConcatenate(Symbol()," Sentiment zone oscillator "),message);
             if (alertsSound)   PlaySound(soundFile);
      }
}

//
//
//
//
//

void drawArrow(int i,color theColor,int theCode,bool up)
{
   string name = arrowsIdentifier+":"+Time[i];
   double gap  = iATR(NULL,0,20,i);   
   
      //
      //
      //
      //
      //
      
      ObjectCreate(name,OBJ_ARROW,0,Time[i],0);
         ObjectSet(name,OBJPROP_ARROWCODE,theCode);
         ObjectSet(name,OBJPROP_COLOR,theColor);
         if (up)
               ObjectSet(name,OBJPROP_PRICE1,High[i] + arrowsUpperGap * gap);
         else  ObjectSet(name,OBJPROP_PRICE1,Low[i]  - arrowsLowerGap * gap);
}

//
//
//
//
//

void deleteArrows()
{
   string lookFor       = arrowsIdentifier+":";
   int    lookForLength = StringLen(lookFor);
   for (int i=ObjectsTotal()-1; i>=0; i--)
   {
      string objectName = ObjectName(i);
         if (StringSubstr(objectName,0,lookForLength) == lookFor) ObjectDelete(objectName);
   }
}

//
//
//
//
//

void deleteArrow(datetime time)
{
   string lookFor = arrowsIdentifier+":"+time; ObjectDelete(lookFor);
}


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