//+------------------------------------------------------------------+
//|                                                I-Trade-Start.mq5 |
//|                             Thorsten Fischer Copyright 2019-2020 |
//|                                         https://mql5.tfsystem.de |
//+------------------------------------------------------------------+
#property copyright "Thorsten Fischer Copyright 2019-2020"
#property link      "https://mql5.tfsystem.de"
#property version   "1.00"
#property strict
#property indicator_separate_window
//#property indicator_minimum 1
//#property indicator_maximum 10
#property indicator_buffers   8
#property indicator_plots     2
#property indicator_label1  "TradeSignalUp"
#property indicator_type1   DRAW_ARROW
#property indicator_color1  clrSlateBlue
//#property indicator_style1  STYLE_SOLID
//#property indicator_width1  1
#property indicator_label2  "TradeSignalDown"
#property indicator_type2   DRAW_ARROW
#property indicator_color2  clrRed
//#property indicator_style2  STYLE_SOLID
//#property indicator_width2  1
//--- indicator buffers
double         Buffer_Arrow_Up[];
double         Buffer_Arrow_Down[];
double         Buffer_MA_Oben[];
double         Buffer_MA_Unten[];
double         Buffer_HA_Open[];
double         Buffer_HA_High[];
double         Buffer_HA_Low[];
double         Buffer_HA_Close[];
//double         Buffer_Color[];
//double         Buffer_Reserve[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
{
//--- indicator buffers mapping
   SetIndexBuffer(0,Buffer_Arrow_Up,INDICATOR_DATA);
   SetIndexBuffer(1,Buffer_Arrow_Down,INDICATOR_DATA);
   SetIndexBuffer(2,Buffer_MA_Oben,INDICATOR_CALCULATIONS);
   SetIndexBuffer(3,Buffer_MA_Unten,INDICATOR_CALCULATIONS);
   SetIndexBuffer(4,Buffer_HA_Open,INDICATOR_CALCULATIONS);
   SetIndexBuffer(5,Buffer_HA_High,INDICATOR_CALCULATIONS);
   SetIndexBuffer(6,Buffer_HA_Low,INDICATOR_CALCULATIONS);
   SetIndexBuffer(7,Buffer_HA_Close,INDICATOR_CALCULATIONS);
   //SetIndexBuffer(2,Buffer_Color,INDICATOR_COLOR_INDEX);
   //SetIndexBuffer(3,Buffer_Reserve,INDICATOR_CALCULATIONS);
   IndicatorSetInteger(INDICATOR_DIGITS,0);
   IndicatorSetString(INDICATOR_SHORTNAME,"Trade Signal");
   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,5);
   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,5);
   //PlotIndexSetString(0,PLOT_LABEL,"Trade Signal Up");
   PlotIndexSetInteger(0,PLOT_ARROW,82);
   PlotIndexSetInteger(0,PLOT_ARROW_SHIFT,0);
   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0);
   //PlotIndexSetString(1,PLOT_LABEL,"Trade Signal Down");
   PlotIndexSetInteger(1,PLOT_ARROW,82);
   PlotIndexSetInteger(1,PLOT_ARROW_SHIFT,0);
   PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,0);
//---
   return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| deinitialization function                                        |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
   if (i_MA_Handle_Oben!=INVALID_HANDLE)
      {
         IndicatorRelease(i_MA_Handle_Oben);
      }
   if (i_MA_Handle_Unten!=INVALID_HANDLE)
      {
         IndicatorRelease(i_MA_Handle_Unten);
      }
   Comment("");
}
//+------------------------------------------------------------------+
//| 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[])
//int OnCalculate(const int rates_total,
//                const int prev_calculated,
//                const int begin,
//                const double &price[])
{
//---
   //bool z=true;
   int i=prev_calculated-1;
   if(i<0) i=0;
   for(i; i<rates_total && !IsStopped(); i++)
      {
         (open[i]<close[i])?Buffer_Arrow_Up[i]=i:Buffer_Arrow_Down[i]=i;
         //(z)?z=false:z=true;
         //Print(__FUNCTION__+" rates_total = "+(string)rates_total+" prev_calculated = "+(string)prev_calculated+" begin = "+(string)begin+" price[i] = "+(string)price[i]);
         //Buffer_Color[i]=1;
         //Buffer_Reserve[i]=i+1;
      }
//--- return value of prev_calculated for next call
   return(rates_total);
}
//+------------------------------------------------------------------+