FloatPivot_Digit

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

//|                                             FloatPivot_Digit.mq5 |

//|                                 Copyright © 2006, Nick A. Zhilin |

//|                                              rebus@dialup.etr.ru |

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

#property copyright "Copyright © 2006, Nick A. Zhilin"

#property link      "rebus@dialup.etr.ru"

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

#property version   "1.01"

//---- >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=> A5<L 1CD5@>2

#property indicator_buffers 7

//--- 8A?>;L7>20=> ?OBL 3@0D8G5A:8E ?>AB@>5=89

#property indicator_plots   5

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

//|  0@0<5B@K >B@8A>2:8 >1;0:0                  |

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

//---- >B@8A>2:0 8=48:0B>@0 2 2845 F25B=>3> >1;0:0

#property indicator_type1   DRAW_FILLING

//---- 2 :0G5AB25 F25B0 >1;0:0 8A?>;L7>20= PaleGreen

#property indicator_color1  clrPaleGreen

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

#property indicator_label1  "Upper Cloud"

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

//|  0@0<5B@K >B@8A>2:8 25@E=59 3@0=8FK         |

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

//---- >B@8A>2:0 8=48:0B>@0 2 2 2845 ;8=88

#property indicator_type2   DRAW_LINE

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

#property indicator_color2  clrLimeGreen

//---- ;8=8O 8=48:0B>@0 2 - =5?@5@K2=0O :@820O

#property indicator_style2  STYLE_SOLID

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

#property indicator_width2  2

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

#property indicator_label2  "Upper FloatPivot"

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

//|  0@0<5B@K >B@8A>2:8 A@54=59 ;8=88           |

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

//---- >B@8A>2:0 8=48:0B>@0 3 2 2845 ;8=88

#property indicator_type3   DRAW_LINE

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

#property indicator_color3  clrSlateBlue

//---- ;8=8O 8=48:0B>@0 3 - =5?@5@K2=0O :@820O

#property indicator_style3  STYLE_SOLID

//---- B>;I8=0 ;8=88 8=48:0B>@0 3 @02=0 2

#property indicator_width3  2

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

#property indicator_label3  "Middle FloatPivot"

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

//|  0@0<5B@K >B@8A>2:8 =86=59 3@0=8FK          |

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

//---- >B@8A>2:0 8=48:0B>@0 4 2 2845 ;8=88

#property indicator_type4   DRAW_LINE

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

#property indicator_color4  clrMagenta

//---- ;8=8O 8=48:0B>@0 4 - =5?@5@K2=0O :@820O

#property indicator_style4  STYLE_SOLID

//---- B>;I8=0 ;8=88 8=48:0B>@0 4 @02=0 2

#property indicator_width4  2

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

#property indicator_label4  "Lower FloatPivot"

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

//|  0@0<5B@K >B@8A>2:8 >1;0:0                  |

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

//---- >B@8A>2:0 8=48:0B>@0 2 2845 F25B=>3> >1;0:0

#property indicator_type5   DRAW_FILLING

//---- 2 :0G5AB25 F25B0 >1;0:0 8A?>;L7>20= Violet

#property indicator_color5  clrViolet

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

#property indicator_label5  "Lower Cloud"

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

//|  %+  " + "                 |

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

input string  SirName="FloatPivot_Digit";           //5@20O G0ABL 8<5=8 3@0D8G5A:8E >1J5:B>2

input int IPeriod=100;                              //5@8>4 ?>8A:0 M:AB@5<C<>2

input int Shift=0;                                  //A4283 8=48:0B>@0 ?> 3>@87>=B0;8 2 10@0E

input uint Digit=2;                                 //:>;8G5AB2> @07@O4>2 >:@C3;5=8O

input bool ShowPrice=true;                          //?>:07K20BL F5=>2K5 <5B:8

input color Upper_color=clrTeal;                    //&25B 25@E=59 F5=>2>9 <5B:8

input color Middle_color=clrBlue;                   //&25B A@54=59 F5=>2>9 <5B:8

input color Lower_color=clrMagenta;                 //&25B =86=59 F5=>2>9 <5B:8

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

//---- >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 ExtUp1Buffer[];

double ExtUp2Buffer[];

double ExtABuffer[];

double ExtBBuffer[];

double ExtCBuffer[];

double ExtDn1Buffer[];

double ExtDn2Buffer[];

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

int  min_rates_total;

//---- 1JO2;5=85 AB@8=3>2 4;O B5:AB>2KE <5B>:

string upper_name,middle_name,lower_name;

double PointPow10;

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

//|  searching index of the highest bar                              |

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

int iHighest(

             const double &array[],// <0AA82 4;O ?>8A:0 8=45:A0 <0:A8<0;L=>3> M;5<5=B0

             int count,// G8A;> M;5<5=B>2 <0AA820 (2 =0?@02;5=88 >B B5:CI53> 10@0 2 AB>@>=C C1K20=8O 8=45:A0), 

             // A@548 :>B>@KE 4>;65= 1KBL ?@>872545= ?>8A:.

             int startPos //8=45:A (A<5I5=85 >B=>A8B5;L=> B5:CI53> 10@0) =0G0;L=>3> 10@0, 

             // A :>B>@>3> =0G8=05BAO ?>8A: =081>;LH53> 7=0G5=8O

             )

  {

//----+

   int index=startPos;



//---- ?@>25@:0 AB0@B>2>3> 8=45:A0 =0 :>@@5:B=>ABL

   if(startPos<0)

     {

      Print("525@=>5 7=0G5=85 2 DC=:F88 iHighest, startPos = ",startPos);

      return(0);

     }



//---- ?@>25@:0 7=0G5=8O startPos =0 :>@@5:B=>ABL

   if(startPos-count<0)

      count=startPos;



   double max=array[startPos];



//---- ?>8A: 8=45:A0

   for(int i=startPos; i>startPos-count; i--)

     {

      if(array[i]>max)

        {

         index=i;

         max=array[i];

        }

     }

//----+ 2>72@0B 8=45:A0 =081>;LH53> 10@0

   return(index);

  }

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

//|  searching index of the lowest bar                               |

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

int iLowest(

            const double &array[],// <0AA82 4;O ?>8A:0 8=45:A0 <8=8<0;L=>3> M;5<5=B0

            int count,// G8A;> M;5<5=B>2 <0AA820 (2 =0?@02;5=88 >B B5:CI53> 10@0 2 AB>@>=C C1K20=8O 8=45:A0), 

            // A@548 :>B>@KE 4>;65= 1KBL ?@>872545= ?>8A:.

            int startPos //8=45:A (A<5I5=85 >B=>A8B5;L=> B5:CI53> 10@0) =0G0;L=>3> 10@0, 

            // A :>B>@>3> =0G8=05BAO ?>8A: =08<5=LH53> 7=0G5=8O

            )

  {

//----+

   int index=startPos;



//---- ?@>25@:0 AB0@B>2>3> 8=45:A0 =0 :>@@5:B=>ABL

   if(startPos<0)

     {

      Print("525@=>5 7=0G5=85 2 DC=:F88 iLowest, startPos = ",startPos);

      return(0);

     }



//---- ?@>25@:0 7=0G5=8O startPos =0 :>@@5:B=>ABL

   if(startPos-count<0)

      count=startPos;



   double min=array[startPos];



//---- ?>8A: 8=45:A0

   for(int i=startPos; i>startPos-count; i--)

     {

      if(array[i]<min)

        {

         index=i;

         min=array[i];

        }

     }

//----+ 2>72@0B 8=45:A0 =08<5=LH53> 10@0

   return(index);

  }

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

//| FloatPivot Channel indicator initialization function             | 

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

void OnInit()

  {

//---- =8F80;870F8O ?5@5<5==KE =0G0;0 >BAGQB0 40==KE

   min_rates_total=int(MathMax(3,IPeriod));

//---- =8F80;870F8O AB@8=3>2

   upper_name=SirName+" upper text lable";

   middle_name=SirName+" middle text lable";

   lower_name=SirName+" lower text lable";

//---- 8=8F80;870F8O ?5@5<5==KE         

   PointPow10=_Point*MathPow(10,Digit);

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

   SetIndexBuffer(0,ExtUp1Buffer,INDICATOR_DATA);

   SetIndexBuffer(1,ExtUp2Buffer,INDICATOR_DATA);

//---- >ACI5AB2;5=85 A42830 =0G0;0 >BAGQB0 >B@8A>2:8 8=48:0B>@0

   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);

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

   PlotIndexSetInteger(0,PLOT_SHIFT,Shift);



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

   SetIndexBuffer(2,ExtABuffer,INDICATOR_DATA);

//---- >ACI5AB2;5=85 A42830 =0G0;0 >BAGQB0 >B@8A>2:8 8=48:0B>@0

   PlotIndexSetInteger(1,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(1,PLOT_EMPTY_VALUE,EMPTY_VALUE);

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

   PlotIndexSetInteger(1,PLOT_SHIFT,Shift);



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

   SetIndexBuffer(3,ExtBBuffer,INDICATOR_DATA);

//---- >ACI5AB2;5=85 A42830 =0G0;0 >BAGQB0 >B@8A>2:8 8=48:0B>@0

   PlotIndexSetInteger(2,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(2,PLOT_EMPTY_VALUE,EMPTY_VALUE);

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

   PlotIndexSetInteger(2,PLOT_SHIFT,Shift);



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

   SetIndexBuffer(4,ExtCBuffer,INDICATOR_DATA);

//---- >ACI5AB2;5=85 A42830 =0G0;0 >BAGQB0 >B@8A>2:8 8=48:0B>@0

   PlotIndexSetInteger(3,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(3,PLOT_EMPTY_VALUE,EMPTY_VALUE);

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

   PlotIndexSetInteger(3,PLOT_SHIFT,Shift);



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

   SetIndexBuffer(5,ExtDn1Buffer,INDICATOR_DATA);

   SetIndexBuffer(6,ExtDn2Buffer,INDICATOR_DATA);

//---- >ACI5AB2;5=85 A42830 =0G0;0 >BAGQB0 >B@8A>2:8 8=48:0B>@0

   PlotIndexSetInteger(4,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(4,PLOT_EMPTY_VALUE,EMPTY_VALUE);

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

   PlotIndexSetInteger(4,PLOT_SHIFT,Shift);



//---- 8=8F80;870F88 ?5@5<5==>9 4;O :>@>B:>3> 8<5=8 8=48:0B>@0

   string shortname;

   StringConcatenate(shortname,"FloatPivot_Digit( IPeriod = ",IPeriod,")");

//--- A>740=85 8<5=8 4;O >B>1@065=8O 2 >B45;L=>< ?>4>:=5 8 2> 2A?;K20NI59 ?>4A:07:5

   IndicatorSetString(INDICATOR_SHORTNAME,shortname);

//--- >?@545;5=85 B>G=>AB8 >B>1@065=8O 7=0G5=89 8=48:0B>@0

   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);

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

  }

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

//| Custom indicator deinitialization function                       |

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

void OnDeinit(const int reason)

  {

//----

   ObjectDelete(0,upper_name);

   ObjectDelete(0,middle_name);

   ObjectDelete(0,lower_name);

//----

   ChartRedraw(0);

  }

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

//| FloatPivot Channel iteration function                            | 

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

int OnCalculate(

                const int rates_total,    // :>;8G5AB2> 8AB>@88 2 10@0E =0 B5:CI5< B8:5

                const int prev_calculated,// :>;8G5AB2> 8AB>@88 2 10@0E =0 ?@54K4CI5< B8:5

                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(0);



//---- 1JO2;5=85 F5;KE ?5@5<5==KE

   int first,bar;



//---- @0AGQB AB0@B>2>3> =><5@0 first 4;O F8:;0 ?5@5AGQB0 10@>2

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

     {

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

     }

   else

     {

      first=prev_calculated-1;// AB0@B>2K9 =><5@ 4;O @0AGQB0 =>2KE 10@>2

     }



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

   for(bar=first; bar<rates_total && !IsStopped(); bar++)

     {

      double max=high[iHighest(high,IPeriod,bar)];

      double min=low[iLowest(low,IPeriod,bar)];

      double pivot=(close[bar-1]+close[bar-2]+close[bar-3])/3;

      // Pivot

      double res=(max+min+pivot)/3;

      // (R1 - Pivot) / 2

      ExtABuffer[bar]=ExtUp1Buffer[bar]=PointPow10*MathCeil(((2*res-min)+res)/2/PointPow10);

      ExtCBuffer[bar]=ExtDn2Buffer[bar]=PointPow10*MathFloor((res+(2*res-max))/2/PointPow10);      

      ExtBBuffer[bar]=ExtUp2Buffer[bar]=ExtDn1Buffer[bar]=PointPow10*MathRound(res/PointPow10);

     }

//----

   if(ShowPrice)

     {

      int bar0=rates_total-Shift-1;

      datetime time0=time[bar0];

      SetRightPrice(0,upper_name,0,time0,ExtABuffer[bar0],Upper_color);

      SetRightPrice(0,middle_name,0,time0,ExtBBuffer[bar0],Middle_color);

      SetRightPrice(0,lower_name,0,time0,ExtCBuffer[bar0],Lower_color);

     }

//----

   ChartRedraw(0);   

   return(rates_total);

  }

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

//|  RightPrice creation                                             |

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

void CreateRightPrice(long chart_id,// chart ID

                      string   name,              // object name

                      int      nwin,              // window index

                      datetime time,              // price level time

                      double   price,             // price level

                      color    Color              // Text color

                      )

//---- 

  {

//----

   ObjectCreate(chart_id,name,OBJ_ARROW_RIGHT_PRICE,nwin,time,price);

   ObjectSetInteger(chart_id,name,OBJPROP_COLOR,Color);

   ObjectSetInteger(chart_id,name,OBJPROP_BACK,true);

   ObjectSetInteger(chart_id,name,OBJPROP_WIDTH,2);

//----

  }

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

//|  RightPrice reinstallation                                       |

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

void SetRightPrice(long chart_id,// chart ID

                   string   name,              // object name

                   int      nwin,              // window index

                   datetime time,              // price level time

                   double   price,             // price level

                   color    Color              // Text color

                   )

//---- 

  {

//----

   if(ObjectFind(chart_id,name)==-1) CreateRightPrice(chart_id,name,nwin,time,price,Color);

   else ObjectMove(chart_id,name,0,time,price);

//----

  }

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