ronz_price_ma_candle

//+------------------------------------------------------------------+
//|                                         RoNz Price MA Candle.mq4 |
//|                                   Copyright 2014, Rony Nofrianto |
//|                                          http://www.feelcomz.com |
//+------------------------------------------------------------------+
#property copyright   "2014, Rony Nofrianto, Indonesia."
#property link        "http://www.feelcomz.com"
#property description "RoNz Price MA Candle"
#property version   "1.00" //Build 141201
#property strict

extern int inpPeriod=4; //Period
extern ENUM_MA_METHOD inpMethod=MODE_EMA; //Method

const string MyShortName="RoNz Price MA Candle";
const string MyID="RPMC";

#property indicator_chart_window
#property indicator_buffers 4

#property indicator_level1 0
#property indicator_levelcolor clrSilver
#property indicator_levelstyle STYLE_DOT

#property indicator_label1  "Low/High"
#property indicator_type1   DRAW_HISTOGRAM
#property indicator_color1  clrWhite
#property indicator_style1  STYLE_SOLID
#property indicator_width1  1

#property indicator_label2  "High/Low"
#property indicator_type2   DRAW_HISTOGRAM
#property indicator_color2  clrRed
#property indicator_style2  STYLE_SOLID
#property indicator_width2  1

#property indicator_label3  "Open"
#property indicator_type3   DRAW_HISTOGRAM
#property indicator_color3  clrRed
#property indicator_style3  STYLE_SOLID
#property indicator_width3  3

#property indicator_label4  "Close"
#property indicator_type4   DRAW_HISTOGRAM
#property indicator_color4  clrWhite
#property indicator_style4  STYLE_SOLID
#property indicator_width4  3

//--- indicator buffers
double   ExtLowHighBuff[],ExtHighLowBuff[],ExtOpenBuff[],ExtCloseBuff[];
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int OnInit()
  {

   ChartSetInteger(0,CHART_SHIFT,true);
   ChartSetInteger(0,CHART_MODE,CHART_BARS);
   ChartSetInteger(0,CHART_COLOR_CHART_LINE,clrNONE);

//--- indicator buffers mapping
   SetIndexBuffer(0,ExtLowHighBuff);
   SetIndexBuffer(1,ExtHighLowBuff);
   SetIndexBuffer(2,ExtOpenBuff);
   SetIndexBuffer(3,ExtCloseBuff);

   for(int i=0;i<4;i++)
     {
      SetIndexShift(i,0);
      SetIndexDrawBegin(i,0);
     }
   IndicatorShortName(MyShortName+" ("+(string)inpPeriod+")");
   IndicatorDigits(Digits);

//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
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[])
  {
//---
   int limit;

//---- Return if no data was calculated before
   if(prev_calculated<0) return(-1);

   if(prev_calculated==0)
     {
      limit=rates_total;
     }
   else
     {
      limit=rates_total-(prev_calculated-1);
     }

   for(int i=0; i<limit && !IsStopped(); i++)
     {

      double FastHighMA= iMA(NULL,0,inpPeriod,0,inpMethod,PRICE_HIGH,i);
      double FastLowMA = iMA(NULL,0,inpPeriod,0,inpMethod,PRICE_LOW,i);
      double FastOpenMA= iMA(NULL,0,inpPeriod,0,inpMethod,PRICE_OPEN,i);
      double FastCloseMA=iMA(NULL,0,inpPeriod,0,inpMethod,PRICE_CLOSE,i);

      if(FastCloseMA>FastOpenMA)
        {
         ExtLowHighBuff[i]=FastHighMA;
         ExtHighLowBuff[i]=FastLowMA;
        }
      else
        {
         ExtLowHighBuff[i]=FastLowMA;
         ExtHighLowBuff[i]=FastHighMA;
        }
      ExtOpenBuff[i]=FastOpenMA;
      ExtCloseBuff[i]=FastCloseMA;

     }

//--- return value of prev_calculated for next call
   return(rates_total);
  }
//+------------------------------------------------------------------+