Iin_MA_Signal

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

//|                                                Iin_MA_Signal.mq5 |

//|                                 Copyright © 2007, Iin Zulkarnain | 

//|                                                                  | 

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

#property copyright "Copyright © 2007, Iin Zulkarnainn"

#property link ""

#property description ""

//---- =><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  clrMagenta

//---- B>;I8=0 ;8=88 8=48:0B>@0 1 @02=0 4

#property indicator_width1  4

//---- >B>1@065=85 1KGL59 <5B:8 8=48:0B>@0

#property indicator_label1  "Iin_MA_Signal Sell"

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

//|  0@0<5B@K >B@8A>2:8 1KGL53> 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 1KGL59 ;8=88 8=48:0B>@0 8A?>;L7>20= A8=89 F25B

#property indicator_color2  clrBlue

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

#property indicator_width2  4

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

#property indicator_label2 "Iin_MA_Signal 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              FastMAPeriod=10;

input  ENUM_MA_METHOD   FastMAType=MODE_EMA;

input ENUM_APPLIED_PRICE FastMAPrice=PRICE_CLOSE;

input uint              SlowMAPeriod=22;

input  ENUM_MA_METHOD   SlowMAType=MODE_SMA;

input ENUM_APPLIED_PRICE SlowMAPrice=PRICE_CLOSE;

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



//---- >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 SellBuffer[];

double BuyBuffer[];

//---- >1JO2;5=85 F5;KE ?5@5<5==KE =0G0;0 >BAG5B0 40==KE

int min_rates_total,AtrPeriod;

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

int FsMA_Handle,SlMA_Handle;

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

//| Custom indicator initialization function                         |

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

int OnInit()

  {

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

   AtrPeriod=10;

   min_rates_total=int(MathMax(MathMax(FastMAPeriod,SlowMAPeriod)+3,AtrPeriod));



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

   FsMA_Handle=iMA(NULL,0,FastMAPeriod,0,FastMAType,FastMAPrice);

   if(FsMA_Handle==INVALID_HANDLE)

     {

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

      return(INIT_FAILED);

     }

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

   SlMA_Handle=iMA(NULL,0,SlowMAPeriod,0,SlowMAType,SlowMAPrice);

   if(SlMA_Handle==INVALID_HANDLE)

     {

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

      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,175);

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

   ArraySetAsSeries(SellBuffer,true);

//---- 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);



//---- ?@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,175);

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

   ArraySetAsSeries(BuyBuffer,true);

//---- 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,NULL);



//---- #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="Iin_MA_Signal("+string(FastMAPeriod)+","+string(SlowMAPeriod)+")";

   IndicatorSetString(INDICATOR_SHORTNAME,short_name);

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

   return(INIT_SUCCEEDED);

  }

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

//| Custom indicator function                                        |

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

double GetRange(int index,const double &High[],const double &Low[],uint Len)

  {

//----

   double AvgRange=0.0;

   for(int count=int(index+Len-1); count>=index; count--) AvgRange+=MathAbs(High[count]-Low[count]);

//---- 

   return(AvgRange/Len);

  }

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

//| 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(FsMA_Handle)<rates_total

      || BarsCalculated(SlMA_Handle)<rates_total

      || rates_total<min_rates_total)

      return(RESET);



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

   int limit,bar,to_copy;

   double FsMA[],SlMA[],fasterMAnow,slowerMAnow,fasterMAprevious,slowerMAprevious;

   static int trend;



//---- @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-1; // AB0@B>2K9 =><5@ 4;O @0AG5B0 2A5E 10@>2

      trend=0;

     }

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

   to_copy=limit+2;



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

   ArraySetAsSeries(FsMA,true);

   ArraySetAsSeries(SlMA,true);

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(low,true);

   

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

   if(CopyBuffer(FsMA_Handle,0,0,to_copy,FsMA)<=0) return(RESET);

   if(CopyBuffer(SlMA_Handle,0,0,to_copy,SlMA)<=0) return(RESET);



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

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

     {

      SellBuffer[bar]=NULL;

      BuyBuffer[bar]=NULL;



      fasterMAnow=FsMA[bar];

      fasterMAprevious=FsMA[bar+1];

      //----

      slowerMAnow=SlMA[bar];

      slowerMAprevious=SlMA[bar+1];



      if(trend<=0 && fasterMAnow>slowerMAnow && fasterMAprevious<slowerMAprevious)

        {

         BuyBuffer[bar]=low[bar]-GetRange(bar,high,low,AtrPeriod)*0.5;

         if(bar) trend=+1;

        }



      if(trend>=0 && fasterMAnow<slowerMAnow && fasterMAprevious>slowerMAprevious)

        {

         SellBuffer[bar]=high[bar]+GetRange(bar,high,low,AtrPeriod)*0.5;

         if(bar) trend=-1;

        }



     }

//----     

   return(rates_total);

  }

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