//+------------------------------------------------------------------+ //| The_20s_v020.mq5 | //| Copyright © 2005, TraderSeven | //| TraderSeven@gmx.net | //+------------------------------------------------------------------+ //--- Copyright #property copyright "Copyright © 2005, TraderSeven" //--- a link to the website of the author #property link "TraderSeven@gmx.net" //--- indicator version #property version "1.10" //--- drawing the indicator in the main window #property indicator_chart_window //--- two buffers are used for the indicator calculation and drawing #property indicator_buffers 2 //--- two plots are used #property indicator_plots 2 //+----------------------------------------------+ //| Drawing parameters of the bearish indicator | //+----------------------------------------------+ //--- drawing the indicator 1 as a symbol #property indicator_type1 DRAW_ARROW //--- Violet color is used as the indicator color #property indicator_color1 clrViolet //--- indicator 1 line width is equal to 4 #property indicator_width1 4 //--- display of the indicator bullish label #property indicator_label1 "Sell" //+----------------------------------------------+ //| Bullish indicator drawing parameters | //+----------------------------------------------+ //--- drawing the indicator 2 as a symbol #property indicator_type2 DRAW_ARROW //--- DarkTurquoise color is used as the indicator color #property indicator_color2 clrDarkTurquoise //---- indicator 2 line width is equal to 4 #property indicator_width2 4 //--- display of the bearish indicator label #property indicator_label2 "Buy" //+----------------------------------------------+ //| declaration of constants | //+----------------------------------------------+ #define RESET 0 // A constant for returning the indicator recalculation command to the terminal //+----------------------------------------------+ //| declaration of enumerations | //+----------------------------------------------+ enum Mode { MODE_1, // Option 1 MODE_2 // Option 2 }; //+----------------------------------------------+ //| Indicator input parameters | //+----------------------------------------------+ input Mode Alg=MODE_1; // Calculation algorithm input uint Level=100; // Trigger level in points input double Ratio=0.2; // Ratio input bool Direct=false; // Signal direction //+----------------------------------------------+ //--- declaration of dynamic arrays that //--- will be used as indicator buffers double SellBuffer[]; double BuyBuffer[]; //--- double dLevel; //--- declaration of integer variables for the indicators handles int ATR_Handle; //--- declaration of integer variables for the start of data calculation int min_rates_total; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- initialization of global variables int ATR_Period=15; min_rates_total=int(MathMax(5,ATR_Period)); //---- Getting the handle of the ATR indicator ATR_Handle=iATR(NULL,0,ATR_Period); if(ATR_Handle==INVALID_HANDLE) { Print(" Failed to get handle of the ATR indicator"); return(INIT_FAILED); } dLevel=Level*_Point; //--- set dynamic array as an indicator buffer SetIndexBuffer(0,SellBuffer,INDICATOR_DATA); //--- shifting the start of drawing of the indicator 1 PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total); //--- indicator symbol PlotIndexSetInteger(0,PLOT_ARROW,234); //--- indexing elements in the buffer as in timeseries ArraySetAsSeries(SellBuffer,true); //--- set dynamic array as an indicator buffer SetIndexBuffer(1,BuyBuffer,INDICATOR_DATA); //--- shifting the starting point of the indicator 2 drawing PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total); //--- indicator symbol PlotIndexSetInteger(1,PLOT_ARROW,233); //--- indexing elements in the buffer as in timeseries ArraySetAsSeries(BuyBuffer,true); //--- setting the format of accuracy of displaying the indicator IndicatorSetInteger(INDICATOR_DIGITS,_Digits); //--- name for the data window and the label for sub-windows string short_name="The_20s_v020"; IndicatorSetString(INDICATOR_SHORTNAME,short_name); //--- initialization end 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[]) { //--- checking if the number of bars is enough for the calculation if(BarsCalculated(ATR_Handle)rates_total || prev_calculated<=0)// checking for the first start of calculation of an indicator { limit=rates_total-min_rates_total; // starting index for the calculation of all bars } else { limit=rates_total-prev_calculated; // starting index for the calculation of new bars } to_copy=limit+1; //---- copy newly appeared data in the ATR[] array if(CopyBuffer(ATR_Handle,0,0,to_copy,ATR)<=0) return(RESET); //--- apply timeseries indexing to array elements ArraySetAsSeries(ATR,true); ArraySetAsSeries(open,true); ArraySetAsSeries(high,true); ArraySetAsSeries(low,true); ArraySetAsSeries(close,true); //--- main calculation loop of the indicator if(Direct) for(bar=limit; bar>=0 && !IsStopped(); bar--) { BuyBuffer[bar]=0.0; SellBuffer[bar]=0.0; //--- LastBarsRange=high[bar+1]-low[bar+1]; Top20=high[bar+1]-LastBarsRange*Ratio; Bottom20=low[bar+1]+LastBarsRange*Ratio; if(Alg==MODE_1) { if(open[bar+1]>=Top20 && close[bar+1]<=Bottom20 && low[bar]<=low[bar+1]-dLevel) BuyBuffer[bar]=low[bar]-ATR[bar]*3/8; else if(open[bar+1]<=Bottom20 && close[bar+1]>=Top20 && high[bar]>=high[bar+1]+dLevel) SellBuffer[bar]=high[bar]+ATR[bar]*3/8; } //--- if(Alg==MODE_2) { if((high[bar+4]-low[bar+4])>LastBarsRange && (high[bar+3]-low[bar+3])>LastBarsRange && (high[bar+2]-low[bar+2])>LastBarsRange && high[bar+2]>high[bar+1] && low[bar+2]=Top20) SellBuffer[bar]=high[bar]+ATR[bar]*3/8; } } } if(!Direct) for(bar=limit; bar>=0 && !IsStopped(); bar--) { BuyBuffer[bar]=0.0; SellBuffer[bar]=0.0; //--- LastBarsRange=high[bar+1]-low[bar+1]; Top20=high[bar+1]-LastBarsRange*Ratio; Bottom20=low[bar+1]+LastBarsRange*Ratio; if(Alg==MODE_1) { if(open[bar+1]>=Top20 && close[bar+1]<=Bottom20 && low[bar]<=low[bar+1]-dLevel) SellBuffer[bar]=high[bar]+ATR[bar]*3/8; else if(open[bar+1]<=Bottom20 && close[bar+1]>=Top20 && high[bar]>=high[bar+1]+dLevel) BuyBuffer[bar]=low[bar]-ATR[bar]*3/8; } //--- if(Alg==MODE_2) { if((high[bar+4]-low[bar+4])>LastBarsRange && (high[bar+3]-low[bar+3])>LastBarsRange && (high[bar+2]-low[bar+2])>LastBarsRange && high[bar+2]>high[bar+1] && low[bar+2]=Top20) BuyBuffer[bar]=low[bar]-ATR[bar]*3/8; } } } //--- return(rates_total); } //+------------------------------------------------------------------+