Waddah_Attar_Trend

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

//|                                              Waddah_Attar_Trend.mq5 |

//|                                 Copyright © 2007, Eng. Waddah Attar | 

//|                                            waddahattar@hotmail.comu | 

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

//| ;O @01>BK  8=48:0B>@0  A;54C5B  ?>;>68BL D09; SmoothAlgorithms.mqh |

//| 2 ?0?:C (48@5:B>@8N): :0B0;>3_40==KE_B5@<8=0;0\\MQL5\Include        |

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

#property copyright "Copyright © 2007, Eng. Waddah Attar"

#property link "waddahattar@hotmail.com" 

//---- =><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 2

#property indicator_buffers 2

//---- 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 G5BK@QEF25B=>9 38AB>3@0<<K

#property indicator_type1 DRAW_COLOR_HISTOGRAM

//---- 2 :0G5AB25 F25B>2 42CEF25B=>9 38AB>3@0<<K 8A?>;L7>20=K

#property indicator_color1 clrAqua,clrMediumOrchid

//---- ;8=8O 8=48:0B>@0 - A?;>H=0O

#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 "Waddah_Attar_Trend"

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

//|  ?8A0=85 :;0AA>2 CA@54=5=89      |

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

#include <SmoothAlgorithms.mqh> 

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



//---- >1JO2;5=85 ?5@5<5==KE :;0AA0 CXMA 87 D09;0 SmoothAlgorithms.mqh

CXMA XMA1,XMA2,XMA3;

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

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

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

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

  {

   PRICE_CLOSE_ = 1,     //Close

   PRICE_OPEN_,          //Open

   PRICE_HIGH_,          //High

   PRICE_LOW_,           //Low

   PRICE_MEDIAN_,        //Median Price (HL/2)

   PRICE_TYPICAL_,       //Typical Price (HLC/3)

   PRICE_WEIGHTED_,      //Weighted Close (HLCC/4)

   PRICE_SIMPL_,         //Simpl Price (OC/2)

   PRICE_QUARTER_,       //Quarted Price (HLOC/4) 

   PRICE_TRENDFOLLOW0_,  //TrendFollow_1 Price 

   PRICE_TRENDFOLLOW1_,  //TrendFollow_2 Price 

   PRICE_DEMARK_         //Demark Price 

  };

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

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

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

/*enum Smooth_Method - ?5@5G8A;5=85 >1JO2;5=> 2 D09;5 SmoothAlgorithms.mqh

  {

   MODE_SMA_,  //SMA

   MODE_EMA_,  //EMA

   MODE_SMMA_, //SMMA

   MODE_LWMA_, //LWMA

   MODE_JJMA,  //JJMA

   MODE_JurX,  //JurX

   MODE_ParMA, //ParMA

   MODE_T3,    //T3

   MODE_VIDYA, //VIDYA

   MODE_AMA,   //AMA

  }; */

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

//|  %+  " + "      |

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

input Smooth_Method XMA_Method=MODE_T3; //<5B>4 CA@54=5=8O 38AB>3@0<<K

input uint Fast_XMA = 12; //?5@8>4 1KAB@>3> <C28=30 MACD

input uint Slow_XMA = 26; //?5@8>4 <54;5==>3> <C28=30 MACD

input int XPhase=100;  //?0@0<5B@ CA@54=5=8O <C28=3>2 MACD,

//---- 4;O JJMA 87<5=ONI89AO 2 ?@545;0E -100 ... +100, 2;8O5B =0 :0G5AB2> ?5@5E>4=>3> ?@>F5AA0;

input Applied_price_ AppliedPrice=PRICE_CLOSE_;//F5=>20O :>=AB0=B0 MACD

//---- ;O VIDIA MB> ?5@8>4 CMO, 4;O AMA MB> ?5@8>4 <54;5==>9 A:>;L7OI59

input Smooth_Method XXMethod=MODE_JJMA; //<5B>4 CA@54=5=8O MA

input int XXMA=9; //?5@8>4 MA

input int XXPhase=100; // ?0@0<5B@ MA,

//---- 87<5=ONI89AO 2 ?@545;0E -100 ... +100,

//---- 2;8O5B =0 :0G5AB2> ?5@5E>4=>3> ?@>F5AA0;

input Applied_price_ XXAppliedPrice=PRICE_CLOSE_;//F5=>20O :>=AB0=B0 MA

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

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

int min_rates_total;

//---- >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 IndBuffer[],ColorIndBuffer[];

//--- >1JO2;5=85 F5;>G8A;5==KE ?5@5<5==KE 4;O E5=4;>2 8=48:0B>@>2

int Ind_Handle;

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

//| Custom indicator initialization function                         | 

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

void OnInit()

  {

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

   int min_rates_1=MathMax(GetStartBars(XMA_Method,Fast_XMA,XPhase),GetStartBars(XMA_Method,Slow_XMA,XPhase));

   int min_rates_2=GetStartBars(XXMethod,XXMA,XXPhase);

   min_rates_total=MathMax(min_rates_1,min_rates_2);



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

   SetIndexBuffer(0,IndBuffer,INDICATOR_DATA);

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

   SetIndexBuffer(1,ColorIndBuffer,INDICATOR_COLOR_INDEX);



//---- >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);

//--- 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,"Waddah_Attar_Trend");

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

   IndicatorSetInteger(INDICATOR_DIGITS,0);

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

  }

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

//| Custom 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;

//---- 1JO2;5=85 ?5@5<5==KE A ?;020NI59 B>G:>9  

   double price,fast_xma,slow_xma,xmacd,xma;



//---- =8F80;870F8O 8=48:0B>@0 2 1;>:5 OnCalculate()

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

     {

      first=0; // AB0@B>2K9 =><5@ 4;O @0AGQB0 2A5E 10@>2 ?5@2>3> F8:;0

     }

   else // AB0@B>2K9 =><5@ 4;O @0AGQB0 =>2KE 10@>2

     {

      first=prev_calculated-1;

     }



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

   for(bar=first; bar<rates_total; bar++)

     {

      price=PriceSeries(AppliedPrice,bar,open,low,high,close);

      fast_xma=XMA1.XMASeries(0,prev_calculated,rates_total,XMA_Method,XPhase,Fast_XMA,price,bar,false);

      slow_xma=XMA2.XMASeries(0,prev_calculated,rates_total,XMA_Method,XPhase,Slow_XMA,price,bar,false);

      xmacd=(fast_xma-slow_xma)/_Point;

      price=PriceSeries(XXAppliedPrice,bar,open,low,high,close);

      xma=XMA3.XMASeries(0,prev_calculated,rates_total,XXMethod,XXPhase,XXMA,price,bar,false)/_Point;

      IndBuffer[bar]=xmacd*xma;

     }

//---- =8F80;870F8O 8=48:0B>@0 2 1;>:5 OnCalculate()

   if(prev_calculated>rates_total || prev_calculated<=0) first++;

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

   for(bar=first; bar<rates_total; bar++)

     {

      if(IndBuffer[bar]>=IndBuffer[bar-1]) ColorIndBuffer[bar]=0;

      else ColorIndBuffer[bar]=1;

     }

//----     

   return(rates_total);

  }

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