//+------------------------------------------------------------------+
//|                                                       helper.mq4 |
//|                                                         bowforex |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright 2013, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"

#property indicator_chart_window
#property copyright "Copyright © 2007, Robert Hill)"

#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red

double CrossUp[];
double CrossDown[];

extern string s1 = "MACD settings";

extern int FastEMA=12;
extern int SlowEMA=26;
extern int SignalSMA=9;

extern string s2 = "Timeframe settings (5-15-60)";

extern int tradingTFChartMins = 5;
extern int midChartMins = 15;
extern int hiChartMins = 60;

extern string s3 = "EMAs";
extern int EMA1 = 10;
extern int EMA2 = 30;
extern int EMA3 = 60;


//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
///---- indicators
   SetIndexStyle(0, DRAW_ARROW, EMPTY, 1);
   SetIndexArrow(0, 221);
   SetIndexBuffer(0, CrossUp);
   SetIndexStyle(1, DRAW_ARROW, EMPTY, 1);
   SetIndexArrow(1, 222);
   SetIndexBuffer(1, CrossDown);
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   
   
   if(Period()!= tradingTFChartMins) {
      ObjectsDeleteAll(0,DRAW_ARROW);
      return;
   }
   int limit, i, counter;
   double MACD_Main, MACD_Signal, MACD_MainPrevious, MACD_SignalPrevious;
   double Range, AvgRange,l_ma1, l_ma2, l_ma3, m_ma1, m_ma2, m_ma3, h_ma1, h_ma2, h_ma3;
   int counted_bars=IndicatorCounted();
//---- check for possible errors
   if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
   if(counted_bars>0) counted_bars--;

   limit=Bars-counted_bars;
   
   for(i = 0; i <= limit; i++) {
   
      counter=i;
      Range=0;
      AvgRange=0;
      for (counter=i ;counter<=i+9;counter++) {
         AvgRange=AvgRange+MathAbs(High[counter]-Low[counter]);
      }
      Range=AvgRange/10;
       
      MACD_Main = iMACD(NULL, 0, FastEMA, SlowEMA, SignalSMA, PRICE_CLOSE, MODE_MAIN, i);
      MACD_MainPrevious = iMACD(NULL, 0, FastEMA, SlowEMA, SignalSMA, PRICE_CLOSE, MODE_MAIN, i+1);
      MACD_Signal = iMACD(NULL, 0, FastEMA, SlowEMA, SignalSMA, PRICE_CLOSE, MODE_SIGNAL, i);
      MACD_SignalPrevious = iMACD(NULL, 0, FastEMA, SlowEMA, SignalSMA, PRICE_CLOSE, MODE_SIGNAL, i+1);

      l_ma1 = iMA(NULL,0,EMA1,0,MODE_EMA,PRICE_CLOSE,i);
      l_ma2 = iMA(NULL,0,EMA2,0,MODE_EMA,PRICE_CLOSE,i);
      l_ma3 = iMA(NULL,0,EMA3,0,MODE_EMA,PRICE_CLOSE,i);
      
      m_ma1 = iMA(NULL,0,EMA1*(midChartMins/Period()),0,MODE_EMA,PRICE_CLOSE,i);
      m_ma2 = iMA(NULL,0,EMA2*(midChartMins/Period()),0,MODE_EMA,PRICE_CLOSE,i);
      m_ma3 = iMA(NULL,0,EMA3*(midChartMins/Period()),0,MODE_EMA,PRICE_CLOSE,i);
      
      h_ma1 = iMA(NULL,0,EMA1*(hiChartMins/Period()),0,MODE_EMA,PRICE_CLOSE,i);
      h_ma2 = iMA(NULL,0,EMA2*(hiChartMins/Period()),0,MODE_EMA,PRICE_CLOSE,i);
      h_ma3 = iMA(NULL,0,EMA3*(hiChartMins/Period()),0,MODE_EMA,PRICE_CLOSE,i);
      
      
      
      if ((MACD_Signal < MACD_Main) && (MACD_SignalPrevious > MACD_MainPrevious)) {
         if ( l_ma1 >  l_ma2 && l_ma2 > l_ma3 && m_ma1 > m_ma2 && m_ma2 > m_ma3 && h_ma1 > h_ma2 && h_ma2 > h_ma3) {
            CrossUp[i] = Low[i] - Range*0.5;
         }
         
      }
      else if ((MACD_Signal > MACD_Main) && (MACD_SignalPrevious < MACD_MainPrevious)) {
         if ( l_ma1 <  l_ma2 && l_ma2 < l_ma3 && m_ma1 < m_ma2 && m_ma2 < m_ma3 && h_ma1 < h_ma2 && h_ma2 < h_ma3) {
            CrossDown[i] = High[i] + Range*0.5;
         }
      }
   }
   return(0);
  }
//+------------------------------------------------------------------+