ColorMFI_X20

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

//|                                                 ColorMFI_X20.mq5 | 

//|                                  Copyright © 2010, Ivan Kornilov | 

//|                                                 excelf@gmail.com | 

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

#property copyright "Copyright © 2010, Ivan Kornilov"

#property link "excelf@gmail.com"

#property description "204F0BL 8=48:0B>@>2 MFI 2 >4=>< >:=5"

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

#property version   "1.02"

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

#property indicator_separate_window

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

//|  >1JO2;5=85 :>=AB0=B              |

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

#define LINES_TOTAL         20 // >=AB0=B0 4;O :>;8G5AB20 ;8=89 8=48:0B>@0

#define RESET               0  // >=AB0=B0 4;O 2>72@0B0 B5@<8=0;C :><0=4K =0 ?5@5AGQB 8=48:0B>@0

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

#property indicator_buffers 40 //LINES_TOTAL*2 

//---- 8A?>;L7>20=> 2A53> 3@0D8G5A:8E ?>AB@>5=89

#property indicator_plots   LINES_TOTAL

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

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

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

//---- >B@8A>2:0 >AF8;;OB>@>2 2 2845 F25B=KE ;8=89

#property indicator_type1 DRAW_COLOR_LINE

//---- 2K1>@ F25B>2 ;8=89

#property indicator_color1 clrDodgerBlue,clrGray,clrRed

//---- ;8=88 - HB@8E?C=:B8@=K5 :@82K5

#property indicator_style1 STYLE_SOLID

//---- B>;I8=0 ;8=89 1

#property indicator_width1  1

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

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

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

input uint StartMFIPeriod=5;                       // AB0@B>2K9 ?5@8>4

input uint  step = 1;                              // H03 ?5@8>40

input ENUM_APPLIED_VOLUME VolumeType=VOLUME_TICK;  // >1JQ< 

input uint                 HighLevel=60;           // C@>25=L ?5@5:C?;5==>AB8

input uint                 MidLevel=50;            // C@>25=L A5@548=K

input uint                 LowLevel=40;            // C@>25=L ?5@5?@>40==>AB8

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



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

int Ind_Handle[LINES_TOTAL];

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

int min_rates_total;

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

//|  0AA82K ?5@5<5==KE 4;O A>740=8O 8=48:0B>@=KE 1CD5@>2            |

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

class CIndicatorsBuffers

  {

public: double    IndBuffer[];

public: double    ColorIndBuffer[];

  };

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

//| !>740=85 8=48:0B>@=KE 1CD5@>2                                    |

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

CIndicatorsBuffers Ind[LINES_TOTAL];

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

//| Custom indicator initialization function                         | 

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

void OnInit()

  {

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

   min_rates_total=int(StartMFIPeriod+step*(LINES_TOTAL-1))+1;

   uint Maxrange=StartMFIPeriod+LINES_TOTAL*(step-1+1)*2;

//----

   uint period=StartMFIPeriod;

   for(int numb=0; numb<LINES_TOTAL; numb++)

     {

      period+=step;



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

      Ind_Handle[numb]=iMFI(Symbol(),0,period,VolumeType);

      if(Ind_Handle[numb]==INVALID_HANDLE) Print(" 5 C40;>AL ?>;CG8BL E5=4; 8=48:0B>@0 iMFI ",numb);



      string shortname="";

      StringConcatenate(shortname,"iMFI X",LINES_TOTAL,"*",period,")");

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

      PlotIndexSetString(numb,PLOT_LABEL,shortname);

      //---- CAB0=>2:0 7=0G5=89 8=48:0B>@0, :>B>@K5 =5 1C4CB 2848<K =0 3@0D8:5

      PlotIndexSetDouble(numb,PLOT_EMPTY_VALUE,EMPTY_VALUE);

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

      PlotIndexSetInteger(numb,PLOT_DRAW_BEGIN,min_rates_total);

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

      SetIndexBuffer(2*numb,Ind[numb].IndBuffer,INDICATOR_DATA);

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

      ArraySetAsSeries(Ind[numb].IndBuffer,true);

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

      SetIndexBuffer(2*numb+1,Ind[numb].ColorIndBuffer,INDICATOR_COLOR_INDEX);

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

      ArraySetAsSeries(Ind[numb].ColorIndBuffer,true); 

      //---- :>?8@>20=85 A2>9AB2 ?5@2>9 ;8=88 8=48:0B>@0 4;O 2A5E >AB0;L=KE

      PlotIndexSetInteger(numb,PLOT_DRAW_TYPE,PlotIndexGetInteger(0,PLOT_DRAW_TYPE));

      PlotIndexSetInteger(numb,PLOT_LINE_STYLE,PlotIndexGetInteger(0,PLOT_LINE_STYLE));

      PlotIndexSetInteger(numb,PLOT_LINE_WIDTH,PlotIndexGetInteger(0,PLOT_LINE_WIDTH));    

      PlotIndexSetInteger(numb,PLOT_COLOR_INDEXES,3);    

      PlotIndexSetInteger(numb,PLOT_LINE_COLOR,0,PlotIndexGetInteger(0,PLOT_LINE_COLOR,0));

      PlotIndexSetInteger(numb,PLOT_LINE_COLOR,1,PlotIndexGetInteger(0,PLOT_LINE_COLOR,1));

      PlotIndexSetInteger(numb,PLOT_LINE_COLOR,2,PlotIndexGetInteger(0,PLOT_LINE_COLOR,2));

      //---- 70?@5B =0 >B>1@065=85 7=0G5=89 8=48:0B>@0 2 ;52>< 25@E=5< C3;C >:=0 8=48:0B>@0

      PlotIndexSetInteger(numb,PLOT_SHOW_DATA,false);

     }



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

   string shortname;

   StringConcatenate(shortname,"iMFI X",LINES_TOTAL,"(",StartMFIPeriod,",",step,")");

//--- 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,0);

//---- :>;8G5AB2>  3>@87>=B0;L=KE C@>2=59 8=48:0B>@0 3   

   IndicatorSetInteger(INDICATOR_LEVELS,3);

//---- 7=0G5=8O 3>@87>=B0;L=KE C@>2=59 8=48:0B>@0   

   IndicatorSetDouble(INDICATOR_LEVELVALUE,0,HighLevel);

   IndicatorSetDouble(INDICATOR_LEVELVALUE,1,MidLevel);

   IndicatorSetDouble(INDICATOR_LEVELVALUE,2,LowLevel);

//---- 2 :0G5AB25 F25B>2 ;8=89 3>@87>=B0;L=KE C@>2=59 8A?>;L7>20=K A5@K9 8 @>7>2K9 F25B0  

   IndicatorSetInteger(INDICATOR_LEVELCOLOR,0,clrLimeGreen);

   IndicatorSetInteger(INDICATOR_LEVELCOLOR,1,clrGray);

   IndicatorSetInteger(INDICATOR_LEVELCOLOR,2,clrMagenta);

//---- 2 ;8=88 3>@87>=B0;L=>3> C@>2=O 8A?>;L7>20= :>@>B:89 HB@8E-?C=:B8@  

   IndicatorSetInteger(INDICATOR_LEVELSTYLE,0,STYLE_SOLID);

   IndicatorSetInteger(INDICATOR_LEVELSTYLE,1,STYLE_DASH);

   IndicatorSetInteger(INDICATOR_LEVELSTYLE,2,STYLE_SOLID);

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

  }

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

//| 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[],

                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);

   for(int numb=0; numb<LINES_TOTAL; numb++) if(BarsCalculated(Ind_Handle[numb])<min_rates_total) return(RESET);

   for(int numb=0; numb<LINES_TOTAL; numb++) if(BarsCalculated(Ind_Handle[numb])<rates_total) return(RESET);



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

   int to_copy,limit;



//---- @0AGQB =5>1E>48<>3> :>;8G5AB20 :>?8@C5<KE 40==KE

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

     {

      limit=rates_total-1;

     }

   else limit=rates_total-prev_calculated;

   to_copy=limit+1;



//---- :>?8@C5< 2=>2L ?>O282H85AO 40==K5 2 8=48:0B>@=K5 1CD5@K

   for(int numb=0; numb<LINES_TOTAL; numb++) if(CopyBuffer(Ind_Handle[numb],0,0,to_copy,Ind[numb].IndBuffer)<=0) return(RESET);



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

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

     {

      for(int numb=0; numb<LINES_TOTAL; numb++)

        {

         int clr=1.0;

         if(Ind[numb].IndBuffer[bar]>HighLevel) clr=0.0;

         else if(Ind[numb].IndBuffer[bar]<LowLevel) clr=2.0;

         Ind[numb].ColorIndBuffer[bar]=clr;

        }

     }

//----     

   return(rates_total);

  }

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