ThreeCandles

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

//|                                                 ThreeCandles.mq5 |

//|                                            Copyright © 2016, Tor | 

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

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

#property copyright "Copyright © 2016, Tor"

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

#property description "=48:0B>@ ?KB05BAO, 0=0;878@CO A25G=K5 3@0D8:8, 8A:0BL B>G:8 2>7<>6=>3> @072>@>B0   ?0BB5@=K"

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

#property version   "1.01"

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

#property indicator_chart_window

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

#property indicator_buffers 5

//---- 8A?>;L7>20=> 2A53> >4=> 3@0D8G5A:>5 ?>AB@>5=85

#property indicator_plots   1

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

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

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

//---- 2 :0G5AB25 8=48:0B>@0 8A?>;L7>20=K F25B=K5 A25G8

#property indicator_type1   DRAW_COLOR_CANDLES

#property indicator_color1   clrRed,clrLightPink,clrGray,clrPaleTurquoise,clrMediumSeaGreen

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

#property indicator_label1  "ThreeCandles Open;High;Low;Close"

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

//|  >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

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

//|  >1JO2;5=85 ?5@5G8A;5=89                     |

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

enum ENUM_APPLIED_VOLUME_      //"8? :>=AB0=BK

  {

   VOLUME_TICK_=0,     //VOLUME_TICK

   VOLUME_REAL_,       //VOLUME_REAL

   VOLUME_NONE         //57 >1JQ<>2

  };

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

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

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

input int maxBar1=300;                               //Max Bar #1 size for disable Volume filter, pips

input ENUM_APPLIED_VOLUME_ VolumeType=VOLUME_TICK_;  //>1JQ< 

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 1C4CB 2 40;L=59H5< 8A?>;L7>20=K 2 :0G5AB25 8=48:0B>@=KE 1CD5@>2

double ExtOpenBuffer[];

double ExtHighBuffer[];

double ExtLowBuffer[];

double ExtCloseBuffer[];

double ExtColorBuffer[];



//---- 1JO2;5=85 F5;KE ?5@5<5==KE =0G0;0 >BAGQB0 40==KE

int min_rates_total;

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

//| Custom indicator initialization function                         |

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

int OnInit()

  {

//----

   min_rates_total=4;

//---- ?@52@0I5=85 48=0<8G5A:8E <0AA82>2 2 8=48:0B>@=K5 1CD5@K

   SetIndexBuffer(0,ExtOpenBuffer,INDICATOR_DATA);

   SetIndexBuffer(1,ExtHighBuffer,INDICATOR_DATA);

   SetIndexBuffer(2,ExtLowBuffer,INDICATOR_DATA);

   SetIndexBuffer(3,ExtCloseBuffer,INDICATOR_DATA);



//---- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 F25B>2>9, 8=45:A=K9 1CD5@   

   SetIndexBuffer(4,ExtColorBuffer,INDICATOR_COLOR_INDEX);



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

   ArraySetAsSeries(ExtOpenBuffer,true);

   ArraySetAsSeries(ExtHighBuffer,true);

   ArraySetAsSeries(ExtLowBuffer,true);

   ArraySetAsSeries(ExtCloseBuffer,true);

   ArraySetAsSeries(ExtColorBuffer,true);



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

   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);

//---- 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,EMPTY_VALUE);



//---- #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 AC1J>:>= 

   string short_name="ThreeCandles";

   IndicatorSetString(INDICATOR_SHORTNAME,short_name);

//--- 7025@H5=85 8=8F80;870F88

   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 @0AGQB0

   if(rates_total<min_rates_total) return(RESET);



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

   int limit,bar;



//---- @0AGQBK =5>1E>48<>3> :>;8G5AB20 :>?8@C5<KE 40==KE 8 AB0@B>2>3> =><5@0 limit 4;O F8:;0 ?5@5AGQB0 10@>2

   if(prev_calculated>rates_total || prev_calculated<=0)// ?@>25@:0 =0 ?5@2K9 AB0@B @0AGQB0 8=48:0B>@0

     {

      limit=rates_total-min_rates_total-1; // AB0@B>2K9 =><5@ 4;O @0AGQB0 2A5E 10@>2

     }

   else

     {

      limit=rates_total-prev_calculated; // AB0@B>2K9 =><5@ 4;O @0AGQB0 =>2KE 10@>2

     }



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

   ArraySetAsSeries(low,true);

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(close,true);

   ArraySetAsSeries(open,true);

   ArraySetAsSeries(tick_volume,true);

   ArraySetAsSeries(volume,true);



//---- A=>2=>9 F8:; @0AGQB0 8=48:0B>@0

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

     {

      bool chkVol=true;

      ExtCloseBuffer[bar]=NULL;

      ExtHighBuffer[bar]=NULL;

      ExtLowBuffer[bar]=NULL;

      ExtOpenBuffer[bar]=NULL;

      ExtColorBuffer[bar]=2.0;



      if((high[bar+3]-low[bar+3])/_Point>maxBar1) chkVol=false;



      if(open[bar+3]<close[bar+3] && open[bar+2]<close[bar+2] && close[bar+2]<high[bar+3] && open[bar+1]>close[bar+1] && close[bar+1]<open[bar+2])

        {

         if(chkVol && VolumeType!=VOLUME_NONE)

           {

            if(VolumeType==VOLUME_TICK_)

              {

               if(tick_volume[bar+3]<tick_volume[bar+2] || tick_volume[bar+1]>tick_volume[bar+2] || tick_volume[bar+1]>tick_volume[bar+3])

                 {

                  ExtCloseBuffer[bar]=close[bar];

                  ExtHighBuffer[bar]=high[bar];

                  ExtLowBuffer[bar]=low[bar];

                  ExtOpenBuffer[bar]=open[bar];

                  if(close[bar]<open[bar]) ExtColorBuffer[bar]=0.0;

                  else ExtColorBuffer[bar]=1.0;

                 }

              }



            if(VolumeType==VOLUME_REAL_)

              {

               if(volume[bar+3]<volume[bar+2] || volume[bar+1]>volume[bar+2] || volume[bar+1]>volume[bar+3])

                 {

                  ExtCloseBuffer[bar]=close[bar];

                  ExtHighBuffer[bar]=high[bar];

                  ExtLowBuffer[bar]=low[bar];

                  ExtOpenBuffer[bar]=open[bar];

                  if(close[bar]<open[bar]) ExtColorBuffer[bar]=0.0;

                  else ExtColorBuffer[bar]=1.0;

                 }

              }

           }

         else

           {

            ExtCloseBuffer[bar]=close[bar];

            ExtHighBuffer[bar]=high[bar];

            ExtLowBuffer[bar]=low[bar];

            ExtOpenBuffer[bar]=open[bar];

            if(close[bar]<open[bar]) ExtColorBuffer[bar]=0.0;

            else ExtColorBuffer[bar]=1.0;

           }

        }

         

      if(open[bar+3]>close[bar+3] && open[bar+2]>close[bar+2] && close[bar+2]>low[bar+3] && open[bar+1]<close[bar+1] && close[bar+1]>open[bar+2])

        {

         if(chkVol && VolumeType!=VOLUME_NONE)

           {

            if(VolumeType==VOLUME_TICK_)

              {

               if(tick_volume[bar+3]<tick_volume[bar+2] || tick_volume[bar+1]>tick_volume[bar+2] || tick_volume[bar+1]>tick_volume[bar+3])

                 {

                  ExtCloseBuffer[bar]=close[bar];

                  ExtHighBuffer[bar]=high[bar];

                  ExtLowBuffer[bar]=low[bar];

                  ExtOpenBuffer[bar]=open[bar];

                  if(close[bar]<open[bar]) ExtColorBuffer[bar]=3.0;

                  else ExtColorBuffer[bar]=4.0;

                 }

              }



            if(VolumeType==VOLUME_REAL_)

              {

               if(volume[bar+3]<volume[bar+2] || volume[bar+1]>volume[bar+2] || volume[bar+1]>volume[bar+3])

                 {

                  ExtCloseBuffer[bar]=close[bar];

                  ExtHighBuffer[bar]=high[bar];

                  ExtLowBuffer[bar]=low[bar];

                  ExtOpenBuffer[bar]=open[bar];

                  if(close[bar]<open[bar]) ExtColorBuffer[bar]=3.0;

                  else ExtColorBuffer[bar]=4.0;

                 }

              }

           }

         else

           {

            ExtCloseBuffer[bar]=close[bar];

            ExtHighBuffer[bar]=high[bar];

            ExtLowBuffer[bar]=low[bar];

            ExtOpenBuffer[bar]=open[bar];

            if(close[bar]<open[bar]) ExtColorBuffer[bar]=3.0;

            else ExtColorBuffer[bar]=4.0;

           }

        }

     }

//---     

   BuySignal("ThreeCandles",ExtColorBuffer,rates_total,prev_calculated,close,spread);

   SellSignal("ThreeCandles",ExtColorBuffer,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 &Arrow[],           // 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(Arrow);

   int index;

   if(SeriesTest) index=int(NumberofBar);

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

   if(Arrow[index]==2) 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]*_Point;

      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 & Arrow[],          // 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(Arrow);

   int index;

   if(SeriesTest) index=int(NumberofBar);

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

   if(Arrow[index]==0) 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]*_Point;

      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));

//----

  }

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