//+------------------------------------------------------------------+
//|                                   Indicator_TrendRiver_Artev.mq4 |
//|                                                              Oxy |
//|                                   http://oxy.opentraders.ru/bio/ |
//+------------------------------------------------------------------+
#property copyright "Oxy"
#property link      "http://oxy.opentraders.ru/bio/"
#property version   "1.00"
#property strict
#property indicator_chart_window
#property indicator_buffers 9

#property indicator_label1  "main_MA"
#property indicator_color1  clrRed

#property indicator_label2  "up_1"
#property indicator_color2  clrGray
#property indicator_label3  "up_2"
#property indicator_color3  clrGray
#property indicator_label4  "up_3"
#property indicator_color4  clrGray
#property indicator_label5  "up_4"
#property indicator_color5  clrGray
#property indicator_label6  "dn_1"
#property indicator_color6  clrGray
#property indicator_label7  "dn_2"
#property indicator_color7  clrGray
#property indicator_label8  "dn_3"
#property indicator_color8  clrGray
#property indicator_label9  "dn_4"
#property indicator_color9  clrGray
//------- Внешние параметры -----------------------------------------+
extern int                ma_period     = 7;            // Период MA
extern ENUM_MA_METHOD     ma_method     = MODE_SMMA;    // Метод усреднения MA
extern int                ma_shift      = 0;            // Сдвиг MA
extern ENUM_APPLIED_PRICE applied_price = PRICE_MEDIAN; // Тип цены MA
extern int                Ma_Level_1    =230;           // Уровень 1 Ма
extern int                Ma_Level_2    =380;           // Уровень 2 Ма
extern int                Ma_Level_3    =500;           // Уровень 3 Ма
extern int                Ma_Level_4    =610;           // Уровень 4 Ма
//------- Глобальные переменные -------------------------------------+
string   Symb;
//--- indicator buffers
double Buffer_main_MA [];
double Buffer_MA_H_L1 [];
double Buffer_MA_H_L2 [];
double Buffer_MA_H_L3 [];
double Buffer_MA_H_L4 [];
double Buffer_MA_L_L1 [];
double Buffer_MA_L_L2 [];
double Buffer_MA_L_L3 [];
double Buffer_MA_L_L4 [];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
//--- indicator buffers mapping
   SetIndexBuffer(0, Buffer_main_MA);
   SetIndexStyle (0, DRAW_LINE, 0, 1);
   
   SetIndexBuffer(1, Buffer_MA_H_L1);
   SetIndexStyle (1, DRAW_LINE, 0, 1);
   
   SetIndexBuffer(2, Buffer_MA_H_L2);
   SetIndexStyle (2, DRAW_LINE, 0, 1);
   
   SetIndexBuffer(3, Buffer_MA_H_L3);
   SetIndexStyle (3, DRAW_LINE, 0, 1);
   
   SetIndexBuffer(4, Buffer_MA_H_L4);
   SetIndexStyle (4, DRAW_LINE, 0, 1);

   SetIndexBuffer(5, Buffer_MA_L_L1);
   SetIndexStyle (5, DRAW_LINE, 0, 1);
   
   SetIndexBuffer(6, Buffer_MA_L_L2);
   SetIndexStyle (6, DRAW_LINE, 0, 1);
   
   SetIndexBuffer(7, Buffer_MA_L_L3);
   SetIndexStyle (7, DRAW_LINE, 0, 1);
   
   SetIndexBuffer(8, Buffer_MA_L_L4);
   SetIndexStyle (8, DRAW_LINE, 0, 1);
   
   Symb = Symbol();
//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| 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[])
  {
   if(prev_calculated==0) {
     for(int i=rates_total-ma_period; i>0; i--) {
       draw_MA (i);
     }
   }
   draw_MA (0);   
       
   return(rates_total);
  }
//+------------------------------------------------------------------+
void draw_MA (int i) {
   double  _ima = iMA(Symb, 0, ma_period, ma_shift, ma_method, applied_price, i);
   Buffer_main_MA[i] = _ima;
      
   Buffer_MA_H_L1[i] = _ima+Ma_Level_1*Point;
   Buffer_MA_H_L2[i] = _ima+Ma_Level_2*Point;
   Buffer_MA_H_L3[i] = _ima+Ma_Level_3*Point;
   Buffer_MA_H_L4[i] = _ima+Ma_Level_4*Point;

   Buffer_MA_L_L1[i] = _ima-Ma_Level_1*Point;
   Buffer_MA_L_L2[i] = _ima-Ma_Level_2*Point;
   Buffer_MA_L_L3[i] = _ima-Ma_Level_3*Point;
   Buffer_MA_L_L4[i] = _ima-Ma_Level_4*Point;
}
//+------------------------------------------------------------------+