WPR_Slowdown

ÿþ//+------------------------------------------------------------------+

//|                                                 WPR_Slowdown.mq5 |

//|                                              Copyright 2015, Tor |

//|                                             http://einvestor.ru/ |

//+------------------------------------------------------------------+

//--- 02B>@AB2> 8=48:0B>@0

#property copyright "Copyright 2015, Tor"

//--- AAK;:0 =0 A09B 02B>@0

#property link      "http://einvestor.ru/"

//--- =><5@ 25@A88 8=48:0B>@0

#property version   "1.00"

//--- >B@8A>2:0 8=48:0B>@0 2 3;02=>< >:=5

#property indicator_chart_window 

//--- 4;O @0AG5B0 8 >B@8A>2:8 8=48:0B>@0 8A?>;L7>20=> 420 1CD5@0

#property indicator_buffers 2

//--- 8A?>;L7>20=> 2A53> 420 3@0D8G5A:8E ?>AB@>5=8O

#property indicator_plots   2

//+----------------------------------------------+

//|  0@0<5B@K >B@8A>2:8 <54256L53> 8=48:0B>@0   |

//+----------------------------------------------+

//--- >B@8A>2:0 8=48:0B>@0 1 2 2845 A8<2>;0

#property indicator_type1   DRAW_ARROW

//--- 2 :0G5AB25 F25B0 <54256L59 ;8=88 8=48:0B>@0 8A?>;L7>20= @>7>2K9 F25B

#property indicator_color1  clrDeepPink

//--- B>;I8=0 ;8=88 8=48:0B>@0 1 @02=0 1

#property indicator_width1  1

//--- >B>1@065=85 1KG59 <5B:8 8=48:0B>@0

#property indicator_label1  "WPR_Slowdown Sell"

//+----------------------------------------------+

//|  0@0<5B@K >B@8A>2:8 1KGL3> 8=48:0B>@0       |

//+----------------------------------------------+

//--- >B@8A>2:0 8=48:0B>@0 2 2 2845 A8<2>;0

#property indicator_type2   DRAW_ARROW

//--- 2 :0G5AB25 F25B0 1KG59 ;8=88 8=48:0B>@0 8A?>;L7>20= 3>;C1>9 F25B

#property indicator_color2  clrDodgerBlue

//--- B>;I8=0 ;8=88 8=48:0B>@0 2 @02=0 1

#property indicator_width2  1

//--- >B>1@065=85 <54256L59 <5B:8 8=48:0B>@0

#property indicator_label2 "WPR_Slowdown Buy"

//+----------------------------------------------+

//|  >1JO2;5=85 :>=AB0=B                         |

//+----------------------------------------------+

#define RESET  0 // >=AB0=B0 4;O 2>72@0B0 B5@<8=0;C :><0=4K =0 ?5@5AGQB 8=48:0B>@0

//+----------------------------------------------+

//| E>4=K5 ?0@0<5B@K 8=48:0B>@0                 |

//+----------------------------------------------+

input uint WPRPeriod=12;                        // WPR Period

input double LevelMax=-20;                      // Signal Level Max

input double LevelMin=-80;                      // Signal Level Min

input bool SeekSlowdown=true;                   // Seek Slowdown

input int Shift=0;                              // !4283 8=48:0B>@0 ?> 3>@87>=B0;8 2 10@0E

//---- E>4=K5 ?5@5<5==K5 4;O 0;5@B>2 

input uint NumberofBar=1;                       // ><5@ 10@0 4;O ?>40G8 A83=0;0

input bool SoundON=true;                        //  07@5H5=85 0;5@B0

input uint NumberofAlerts=2;                    // >;8G5AB2> 0;5@B>2

input bool EMailON=false;                       //  07@5H5=85 ?>GB>2>9 >B?@02:8 A83=0;0

input bool PushON=false;                        //  07@5H5=85 >B?@02:8 A83=0;0 =0 <>18;L=K9

//+----------------------------------------------+

//--- >1JO2;5=85 48=0<8G5A:8E <0AA82>2, :>B>@K5 2 40;L=59H5< 1C4CB 8A?>;L7>20=K 2 :0G5AB25 8=48:0B>@=KE 1CD5@>2

double SellBuffer[],BuyBuffer[];

//---

int WPR_Handle,ATR_Handle,min_rates_total;

//+------------------------------------------------------------------+

//| Custom indicator initialization function                         |

//+------------------------------------------------------------------+

int OnInit()

  {

//--- 8=8F80;870F8O 3;>10;L=KE ?5@5<5==KE 

   int ATR_Period=15;

   min_rates_total=int(MathMax(WPRPeriod+1,ATR_Period))+1;

//--- ?>;CG5=85 E5=4;0 8=48:0B>@0 iWPR

   WPR_Handle=iWPR(NULL,0,WPRPeriod);

   if(WPR_Handle==INVALID_HANDLE)

     {

      Print(" 5 C40;>AL ?>;CG8BL E5=4; 8=48:0B>@0 iWPR");

      return(INIT_FAILED);

     }

//--- ?>;CG5=85 E5=4;0 8=48:0B>@0 ATR

   ATR_Handle=iATR(NULL,0,ATR_Period);

   if(ATR_Handle==INVALID_HANDLE)

     {

      Print(" 5 C40;>AL ?>;CG8BL E5=4; 8=48:0B>@0 ATR");

      return(INIT_FAILED);

     }

//--- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(0,SellBuffer,INDICATOR_DATA);

//--- >ACI5AB2;5=85 A42830 =0G0;0 >BAG5B0 >B@8A>2:8 8=48:0B>@0 1

   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);

//--- A8<2>; 4;O 8=48:0B>@0

   PlotIndexSetInteger(0,PLOT_ARROW,234);

//---- >ACI5AB2;5=85 A42830 8=48:0B>@0 1 ?> 3>@87>=B0;8

   PlotIndexSetInteger(0,PLOT_SHIFT,Shift);

//---- CAB0=>2:0 7=0G5=89 8=48:0B>@0, :>B>@K5 =5 1C4CB 2848<K =0 3@0D8:5

   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,NULL);

//--- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(SellBuffer,true);

//--- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(1,BuyBuffer,INDICATOR_DATA);

//--- >ACI5AB2;5=85 A42830 =0G0;0 >BAG5B0 >B@8A>2:8 8=48:0B>@0 2

   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total);

//--- A8<2>; 4;O 8=48:0B>@0

   PlotIndexSetInteger(1,PLOT_ARROW,233);

//---- >ACI5AB2;5=85 A42830 8=48:0B>@0 1 ?> 3>@87>=B0;8

   PlotIndexSetInteger(2,PLOT_SHIFT,Shift);

//---- CAB0=>2:0 7=0G5=89 8=48:0B>@0, :>B>@K5 =5 1C4CB 2848<K =0 3@0D8:5

   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,NULL);

//--- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(BuyBuffer,true);

//--- #AB0=>2:0 D>@<0B0 B>G=>AB8 >B>1@065=8O 8=48:0B>@0

   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);

//--- 8<O 4;O >:>= 40==KE 8 <5B:0 4;O ?>4>:>= 

   string short_name="WPR_Slowdown";

   IndicatorSetString(INDICATOR_SHORTNAME,short_name);

//---   

   return(INIT_SUCCEEDED);

  }

//+------------------------------------------------------------------+

//| Custom indicator iteration function                              |

//+------------------------------------------------------------------+

int OnCalculate(const int rates_total,

                const int prev_calculated,

                const datetime &time[],

                const double &open[],

                const double &high[],

                const double &low[],

                const double &close[],

                const long &tick_volume[],

                const long &volume[],

                const int &spread[])

  {

//--- ?@>25@:0 :>;8G5AB20 10@>2 =0 4>AB0B>G=>ABL 4;O @0AG5B0

   if(BarsCalculated(WPR_Handle)<rates_total

      || BarsCalculated(ATR_Handle)<rates_total

      || rates_total<min_rates_total)

      return(RESET);



//--- >1JO2;5=8O ;>:0;L=KE ?5@5<5==KE 

   int to_copy,limit,bar;

   double WPR[],ATR[];



//--- @0AG5BK =5>1E>48<>3> :>;8G5AB20 :>?8@C5<KE 40==KE 8

//AB0@B>2>3> =><5@0 limit 4;O F8:;0 ?5@5AG5B0 10@>2

   if(prev_calculated>rates_total || prev_calculated<=0)// ?@>25@:0 =0 ?5@2K9 AB0@B @0AG5B0 8=48:0B>@0

     {

      limit=rates_total-min_rates_total; // AB0@B>2K9 =><5@ 4;O @0AG5B0 2A5E 10@>2

     }

   else

     {

      limit=rates_total-prev_calculated; // AB0@B>2K9 =><5@ 4;O @0AG5B0 =>2KE 10@>2

     }

   to_copy=limit+2;

//--- :>?8@C5< 2=>2L ?>O282H85AO 40==K5 2 <0AA82K WPR[] 8 ATR[]

   if(CopyBuffer(WPR_Handle,0,0,to_copy,WPR)<=0) return(RESET);

   if(CopyBuffer(ATR_Handle,0,0,to_copy,ATR)<=0) return(RESET);

//--- 8=45:A0F8O M;5<5=B>2 2 <0AA820E :0: 2 B09<A5@8OE  

   ArraySetAsSeries(WPR,true);

   ArraySetAsSeries(ATR,true);

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(low,true);



//--- >A=>2=>9 F8:; @0AG5B0 8=48:0B>@0

   for(bar=limit; bar>=0 && !IsStopped(); bar--)

     {

      BuyBuffer[bar]=NULL;

      SellBuffer[bar]=NULL;

      //---

      if(WPR[bar]>=LevelMax)

        {

         if(!SeekSlowdown) BuyBuffer[bar]=low[bar]-ATR[bar]*3/8;

         else if(MathAbs(WPR[bar+1]-WPR[bar])<1) BuyBuffer[bar]=low[bar]-ATR[bar]*3/8;

        }

      //---

      if(WPR[bar]<=LevelMin)

        {

         if(!SeekSlowdown) SellBuffer[bar]=high[bar]+ATR[bar]*3/8;

         else if(MathAbs(WPR[bar+1]-WPR[bar])<1) SellBuffer[bar]=high[bar]+ATR[bar]*3/8;

        }

     }

//---     

   BuySignal("WPR_Slowdown",BuyBuffer,rates_total,prev_calculated,close,spread);

   SellSignal("WPR_Slowdown",SellBuffer,rates_total,prev_calculated,close,spread);

//---      

   return(rates_total);

  }

//+------------------------------------------------------------------+

//| Buy signal function                                              |

//+------------------------------------------------------------------+

void BuySignal(string SignalSirname,      // B5:AB 8<5=8 8=48:0B>@0 4;O ?>GB>2KE 8 ?CH-A83=0;>2

               double &BuyArrow[],        // 8=48:0B>@=K9 1CD5@ A A83=0;0<8 4;O ?>:C?:8

               const int Rates_total,     // B5:CI55 :>;8G5AB2> 10@>2

               const int Prev_calculated, // :>;8G5AB2> 10@>2 =0 ?@54K4CI5< B8:5

               const double &Close[],     // F5=0 70:@KB8O

               const int &Spread[])       // A?@54

  {

//---

   static uint counter=0;

   if(Rates_total!=Prev_calculated) counter=0;



   bool BuySignal=false;

   bool SeriesTest=ArrayGetAsSeries(BuyArrow);

   int index;

   if(SeriesTest) index=int(NumberofBar);

   else index=Rates_total-int(NumberofBar)-1;

   if(NormalizeDouble(BuyArrow[index],_Digits) && BuyArrow[index]!=EMPTY_VALUE) BuySignal=true;

   if(BuySignal && counter<=NumberofAlerts)

     {

      counter++;

      MqlDateTime tm;

      TimeToStruct(TimeCurrent(),tm);

      string text=TimeToString(TimeCurrent(),TIME_DATE)+" "+string(tm.hour)+":"+string(tm.min);

      SeriesTest=ArrayGetAsSeries(Close);

      if(SeriesTest) index=int(NumberofBar);

      else index=Rates_total-int(NumberofBar)-1;

      double Ask=Close[index];

      double Bid=Close[index];

      SeriesTest=ArrayGetAsSeries(Spread);

      if(SeriesTest) index=int(NumberofBar);

      else index=Rates_total-int(NumberofBar)-1;

      Bid+=Spread[index];

      string sAsk=DoubleToString(Ask,_Digits);

      string sBid=DoubleToString(Bid,_Digits);

      string sPeriod=GetStringTimeframe(ChartPeriod());

      if(SoundON) Alert("BUY signal \n Ask=",Ask,"\n Bid=",Bid,"\n currtime=",text,"\n Symbol=",Symbol()," Period=",sPeriod);

      if(EMailON) SendMail(SignalSirname+": BUY signal alert","BUY signal at Ask="+sAsk+", Bid="+sBid+", Date="+text+" Symbol="+Symbol()+" Period="+sPeriod);

      if(PushON) SendNotification(SignalSirname+": BUY signal at Ask="+sAsk+", Bid="+sBid+", Date="+text+" Symbol="+Symbol()+" Period="+sPeriod);

     }



//---

  }

//+------------------------------------------------------------------+

//| Sell signal function                                             |

//+------------------------------------------------------------------+

void SellSignal(string SignalSirname,      // B5:AB 8<5=8 8=48:0B>@0 4;O ?>GB>2KE 8 ?CH-A83=0;>2

                double &SellArrow[],       // 8=48:0B>@=K9 1CD5@ A A83=0;0<8 4;O ?>:C?:8

                const int Rates_total,     // B5:CI55 :>;8G5AB2> 10@>2

                const int Prev_calculated, // :>;8G5AB2> 10@>2 =0 ?@54K4CI5< B8:5

                const double &Close[],     // F5=0 70:@KB8O

                const int &Spread[])       // A?@54

  {

//---

   static uint counter=0;

   if(Rates_total!=Prev_calculated) counter=0;



   bool SellSignal=false;

   bool SeriesTest=ArrayGetAsSeries(SellArrow);

   int index;

   if(SeriesTest) index=int(NumberofBar);

   else index=Rates_total-int(NumberofBar)-1;

   if(NormalizeDouble(SellArrow[index],_Digits) && SellArrow[index]!=EMPTY_VALUE) SellSignal=true;

   if(SellSignal && counter<=NumberofAlerts)

     {

      counter++;

      MqlDateTime tm;

      TimeToStruct(TimeCurrent(),tm);

      string text=TimeToString(TimeCurrent(),TIME_DATE)+" "+string(tm.hour)+":"+string(tm.min);

      SeriesTest=ArrayGetAsSeries(Close);

      if(SeriesTest) index=int(NumberofBar);

      else index=Rates_total-int(NumberofBar)-1;

      double Ask=Close[index];

      double Bid=Close[index];

      SeriesTest=ArrayGetAsSeries(Spread);

      if(SeriesTest) index=int(NumberofBar);

      else index=Rates_total-int(NumberofBar)-1;

      Bid+=Spread[index];

      string sAsk=DoubleToString(Ask,_Digits);

      string sBid=DoubleToString(Bid,_Digits);

      string sPeriod=GetStringTimeframe(ChartPeriod());

      if(SoundON) Alert("SELL signal \n Ask=",Ask,"\n Bid=",Bid,"\n currtime=",text,"\n Symbol=",Symbol()," Period=",sPeriod);

      if(EMailON) SendMail(SignalSirname+": SELL signal alert","SELL signal at Ask="+sAsk+", Bid="+sBid+", Date="+text+" Symbol="+Symbol()+" Period="+sPeriod);

      if(PushON) SendNotification(SignalSirname+": SELL signal at Ask="+sAsk+", Bid="+sBid+", Date="+text+" Symbol="+Symbol()+" Period="+sPeriod);

     }

//---

  }

//+------------------------------------------------------------------+

//|  >;CG5=85 B09<D@59<0 2 2845 AB@>:8                              |

//+------------------------------------------------------------------+

string GetStringTimeframe(ENUM_TIMEFRAMES timeframe)

  {

//----

   return(StringSubstr(EnumToString(timeframe),7,-1));

//----

  }

//+------------------------------------------------------------------+