i4_GoldenLionTrend_v3

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

//|                                        i4_GoldenLionTrend_v3.mq5 | 

//|                             Copyright © 2006, goldenlion@ukr.net |

//|                                      http://GlobeInvestFund.com/ |

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

#property copyright "Copyright © 2006, goldenlion@ukr.net"

#property link      "http://GlobeInvestFund.com/"

#property description "=48:0B>@ A8;K B@5=40 A 8A?>;L7>20=85< 7=0G5=89 42CE :0=0;>2 >;;8=465@0"

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

#property version   "1.00"

//---- >B@8A>2:0 8=48:0B>@0 2 >B45;L=>< >:=5

#property indicator_separate_window

//---- :>;8G5AB2> 8=48:0B>@=KE 1CD5@>2

#property indicator_buffers 3 

//---- 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              |

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

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

#property indicator_type1   DRAW_COLOR_HISTOGRAM2

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

#property indicator_color1 clrLime,clrTeal,clrPurple,clrMagenta

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

#property indicator_style1  STYLE_SOLID

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

#property indicator_width1 2

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

#property indicator_label1  "i4_GoldenLionTrend_v3"

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

//|  >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

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

//|  %+  " + "                 |

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

input uint BBPeriod=20;                              //?5@8>4 4;O @0AG5B0 A@54=59 ;8=88

input double StdDeviation1=1.0001;                   //45280F8O 1

input double StdDeviation2=2.0001;                   //45280F8O 2

input ENUM_APPLIED_PRICE  applied_price=PRICE_CLOSE; //B8? F5=K

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

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

//---- 1JO2;5=85 F5;KE ?5@5<5==KE 4;O E5=4;>2 8=48:0B>@>2

int Ind_Handle1,Ind_Handle2;

//---- 8=48:0B>@=K9 1CD5@

double UpIndBuffer[],DnIndBuffer[],ColorIndBuffer[];

//---- 1JO2;5=85 3;>10;L=KE ?5@5<5==KE

int min_rates_total;

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

//| Custom indicator initialization function                         | 

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

int OnInit()

  {

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

   min_rates_total=int(BBPeriod);



   if(StdDeviation1>=StdDeviation2)

     {

      Print("5280F8O 1 4>;6=0 1KBL 1>;LH5, G5< 5280F8O 2!");

      Print("B:>@@5:B8@C9B5 7=0G5=8O 2E>4=KE ?0@0<5B@>2!");

      return(INIT_FAILED);

     }

//---- ?>;CG5=85 E5=4;0 8=48:0B>@0 iBands1

   Ind_Handle1=iBands(NULL,0,BBPeriod,0,StdDeviation1,applied_price);

   if(Ind_Handle1==INVALID_HANDLE)

     {

      Print(" 5 C40;>AL ?>;CG8BL E5=4; 8=48:0B>@0 iBands1");

      return(INIT_FAILED);

     }



//---- ?>;CG5=85 E5=4;0 8=48:0B>@0 iBands2

   Ind_Handle2=iBands(NULL,0,BBPeriod,0,StdDeviation2,applied_price);

   if(Ind_Handle2==INVALID_HANDLE)

     {

      Print(" 5 C40;>AL ?>;CG8BL E5=4; 8=48:0B>@0 iBands2");

      return(INIT_FAILED);

     }



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

   SetIndexBuffer(0,UpIndBuffer,INDICATOR_DATA);

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

   ArraySetAsSeries(UpIndBuffer,true);



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

   SetIndexBuffer(1,DnIndBuffer,INDICATOR_DATA);

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

   ArraySetAsSeries(DnIndBuffer,true);



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

   SetIndexBuffer(2,ColorIndBuffer,INDICATOR_DATA);

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

   ArraySetAsSeries(ColorIndBuffer,true);



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

   PlotIndexSetInteger(0,PLOT_SHIFT,Shift);

//---- >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,NULL);



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

   string shortname;

   StringConcatenate(shortname,"i4_GoldenLionTrend_v3",BBPeriod,")");

//--- 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+1);

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

   return(INIT_SUCCEEDED);

  }

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

//| Custom indicator 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[],     // F5=>2>9 <0AA82 <0:A8<C<>2 F5=K 4;O @0AGQB0 8=48:0B>@0

                const double& low[],      // F5=>2>9 <0AA82 <8=8<C<>2 F5=K  4;O @0AGQB0 8=48:0B>@0

                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(BarsCalculated(Ind_Handle1)<rates_total || BarsCalculated(Ind_Handle2)<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 UpBB1[],DnBB1[];

   double UpBB2[],DnBB2[];



//---- @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

     }



   to_copy=limit+1;



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

   if(CopyBuffer(Ind_Handle1,UPPER_BAND,0,to_copy,UpBB1)<=0) return(RESET);

   if(CopyBuffer(Ind_Handle1,LOWER_BAND,0,to_copy,DnBB1)<=0) return(RESET);

   if(CopyBuffer(Ind_Handle2,UPPER_BAND,0,to_copy,UpBB2)<=0) return(RESET);

   if(CopyBuffer(Ind_Handle2,LOWER_BAND,0,to_copy,DnBB2)<=0) return(RESET);



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

   ArraySetAsSeries(UpBB1,true);

   ArraySetAsSeries(DnBB1,true);

   ArraySetAsSeries(UpBB2,true);

   ArraySetAsSeries(DnBB2,true);

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(low,true);

   ArraySetAsSeries(close,true);



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

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

     {

      if(close[bar]<UpBB1[bar] && close[bar]>DnBB1[bar])

        {

         UpIndBuffer[bar]=NULL;

         DnIndBuffer[bar]=NULL;

         continue;

        }



      UpIndBuffer[bar]=high[bar];

      DnIndBuffer[bar]=low[bar];



      if(close[bar]>=UpBB2[bar]) ColorIndBuffer[bar]=0;

      else if(close[bar]>=UpBB1[bar]) ColorIndBuffer[bar]=1;

      else if(close[bar]<=DnBB2[bar]) ColorIndBuffer[bar]=3;

      else if(close[bar]<=DnBB1[bar]) ColorIndBuffer[bar]=2;

     }

//----     

   return(rates_total);

  }

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