BB_OutsideCandle_Alert最新版

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//| BB_OutsideCandle_Alert.mq5 |
//| Copyright 2018, MetaQuotes Software Corp. |
//| https://mql5.com |
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#property copyright “Copyright 2018, MetaQuotes Software Corp.”
#property link “https://mql5.com”
#property version “1.00”
#property description “Bollinger Bands Outside Candle Alert indicator”
#property description “Candle opening and closing outside the bands for buy/sell signals”
#property description “Optional Inside/Out Mode for open inside and close outside”
#property indicator_chart_window
#property indicator_buffers 10
#property indicator_plots 5
//— plot SigB
#property indicator_label1 “Long Signal”
#property indicator_type1 DRAW_ARROW
#property indicator_color1 clrBlue
#property indicator_style1 STYLE_SOLID
#property indicator_width1 1
//— plot SigS
#property indicator_label2 “Short Signal”
#property indicator_type2 DRAW_ARROW
#property indicator_color2 clrRed
#property indicator_style2 STYLE_SOLID
#property indicator_width2 1
//— plot BandUP
#property indicator_label3 “Upper Band”
#property indicator_type3 DRAW_LINE
#property indicator_color3 clrChocolate
#property indicator_style3 STYLE_SOLID
#property indicator_width3 1
//— plot BandDN
#property indicator_label4 “Lower Band”
#property indicator_type4 DRAW_LINE
#property indicator_color4 clrForestGreen
#property indicator_style4 STYLE_SOLID
#property indicator_width4 1
//— plot Signal Candles
#property indicator_label5 “Signal Candle”
#property indicator_type5 DRAW_COLOR_CANDLES
#property indicator_color5 clrMediumSeaGreen,clrDarkOrange,clrDarkGray
#property indicator_style5 STYLE_SOLID
#property indicator_width5 1
//— enums
enum ENUM_INPUT_YES_NO
{
INPUT_YES = 1, // Yes
INPUT_NO = 0 // No
};
//—
enum ENUM_MODE_OP_CL
{
MODE_CANDLE_INSIDE_OUT, // Opening inside, then closing outside
MODE_CANDLE_OUTSIDE // Opening and closing outside
};
//— input parameters
input uint InpPeriodBB = 12; // BB period
input double InpDeviation = 2.2; // BB deviation
input ENUM_MODE_OP_CL InpModeCandle = MODE_CANDLE_OUTSIDE; // BB line breakdown method
input ENUM_INPUT_YES_NO InpShowBands = INPUT_YES; // Show bands
input ENUM_INPUT_YES_NO InpShowCandles = INPUT_YES; // Show signal candles
input ENUM_INPUT_YES_NO InpShowAlerts = INPUT_YES; // Use alerts
//— indicator buffers
double BufferSigB[];
double BufferSigS[];
double BufferBandUP[];
double BufferBandDN[];
double BufferCandleO[];
double BufferCandleH[];
double BufferCandleL[];
double BufferCandleC[];
double BufferColors[];
double BufferBB[];
//— global variables
double deviation;
int period_bb;
int handle_bb;
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//| Custom indicator initialization function |
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int OnInit()
{
//— set global variables
period_bb=int(InpPeriodBB<1 ? 1 : InpPeriodBB);
deviation=InpDeviation;
//— indicator buffers mapping
SetIndexBuffer(0,BufferSigB,INDICATOR_DATA);
SetIndexBuffer(1,BufferSigS,INDICATOR_DATA);
SetIndexBuffer(2,BufferBandUP,INDICATOR_DATA);
SetIndexBuffer(3,BufferBandDN,INDICATOR_DATA);
SetIndexBuffer(4,BufferCandleO,INDICATOR_DATA);
SetIndexBuffer(5,BufferCandleH,INDICATOR_DATA);
SetIndexBuffer(6,BufferCandleL,INDICATOR_DATA);
SetIndexBuffer(7,BufferCandleC,INDICATOR_DATA);
SetIndexBuffer(8,BufferColors,INDICATOR_COLOR_INDEX);
SetIndexBuffer(9,BufferBB,INDICATOR_CALCULATIONS);
//— setting a code from the Wingdings charset as the property of PLOT_ARROW
PlotIndexSetInteger(0,PLOT_ARROW,233);
PlotIndexSetInteger(1,PLOT_ARROW,234);
//— setting indicator parameters
IndicatorSetString(INDICATOR_SHORTNAME,”BB Outside Candle Alert+(“+(string)period_bb+”,”+DoubleToString(deviation,1)+”)”);
IndicatorSetInteger(INDICATOR_DIGITS,Digits());
//— setting plot buffer parameters
PlotIndexSetInteger(2,PLOT_DRAW_TYPE,InpShowBands);
PlotIndexSetInteger(3,PLOT_DRAW_TYPE,InpShowBands);
//— setting buffer arrays as timeseries
ArraySetAsSeries(BufferSigB,true);
ArraySetAsSeries(BufferSigS,true);
ArraySetAsSeries(BufferBandUP,true);
ArraySetAsSeries(BufferBandDN,true);
ArraySetAsSeries(BufferCandleO,true);
ArraySetAsSeries(BufferCandleH,true);
ArraySetAsSeries(BufferCandleL,true);
ArraySetAsSeries(BufferCandleC,true);
ArraySetAsSeries(BufferColors,true);
ArraySetAsSeries(BufferBB,true);
//— create handles
ResetLastError();
handle_bb=iBands(NULL,PERIOD_CURRENT,period_bb,0,deviation,PRICE_CLOSE);
if(handle_bb==INVALID_HANDLE)
{
Print(“The iBands (“,(string)period_bb+”,”+(string)deviation,”) object was not created: Error “,GetLastError());
return INIT_FAILED;
}
//—
return(INIT_SUCCEEDED);
}
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//| Custom indicator iteration function |
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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[])
{
//— Установка массивов буферов как таймсерий
ArraySetAsSeries(open,true);
ArraySetAsSeries(high,true);
ArraySetAsSeries(low,true);
ArraySetAsSeries(close,true);
ArraySetAsSeries(time,true);
//— Проверка количества доступных баров
if(rates_total<4) return 0;
//— Проверка и расчёт количества просчитываемых баров
int limit=rates_total-prev_calculated;
if(limit>1)
{
limit=rates_total-2;
ArrayInitialize(BufferSigB,EMPTY_VALUE);
ArrayInitialize(BufferSigS,EMPTY_VALUE);
ArrayInitialize(BufferBandUP,EMPTY_VALUE);
ArrayInitialize(BufferBandDN,EMPTY_VALUE);
ArrayInitialize(BufferCandleO,EMPTY_VALUE);
ArrayInitialize(BufferCandleH,EMPTY_VALUE);
ArrayInitialize(BufferCandleL,EMPTY_VALUE);
ArrayInitialize(BufferCandleC,EMPTY_VALUE);
ArrayInitialize(BufferColors,2);
ArrayInitialize(BufferBB,0);
}
//— Подготовка данных
int count=(limit>1 ? rates_total : 1),copied=0;
copied=CopyBuffer(handle_bb,UPPER_BAND,0,count,BufferBandUP);
if(copied!=count) return 0;
copied=CopyBuffer(handle_bb,LOWER_BAND,0,count,BufferBandDN);
if(copied!=count) return 0;

//— Расчёт индикатора
static datetime last_time=0;
string alert=””;
for(int i=limit; i>=0 && !IsStopped(); i–)
{
BufferCandleO[i]=BufferCandleH[i]=BufferCandleL[i]=BufferCandleC[i]=EMPTY_VALUE;
if(InpModeCandle==MODE_CANDLE_INSIDE_OUT)
{
//— Bearish. Candle opening inside the bands and closing above the upper bollinger band
if(open[i+1]<BufferBandUP[i+1] && close[i+1]>BufferBandUP[i+1])
{
BufferSigS[i]=high[i];//fmax(open[i+1],fmax(open[i],BufferBandUP[i]));
if(InpShowCandles)
DrawColorCandle(i+1,open,high,low,close);
//— Alert after the last Close of a candle
if(i==0 && InpShowAlerts && time[0]>last_time)
{
Alert(Symbol()+” “+TimeframeToString(Period())+”: Bollinger Bands Outside Candle SHORT Signal”);
last_time=TimeCurrent();
}
}
//— Bullish. Candle opening inside the bands and closing below the lower bollinger band
if(open[i+1]>BufferBandDN[i+1] && close[i+1]<BufferBandDN[i+1])
{
BufferSigB[i]=low[i];//fmin(open[i+1],fmin(open[i],BufferBandDN[i]));
if(InpShowCandles)
DrawColorCandle(i+1,open,high,low,close);
//— Alert after the last Close of a candle
if(i==0 && InpShowAlerts && time[0]>last_time)
{
Alert(Symbol()+” “+TimeframeToString(Period())+”: Bollinger Bands Outside Candle LONG Signal”);
last_time=TimeCurrent();
}
}
}
else
{
//— Bearish. Candle opening and closing above the upper bollinger band
if(open[i+1]>close[i+1] && close[i+1]>BufferBandUP[i+1])
{
BufferSigS[i]=high[i];//fmax(open[i+1],fmax(open[i],BufferBandUP[i]));
if(InpShowCandles)
DrawColorCandle(i+1,open,high,low,close);
//— Alert after the last Close of a candle
if(i==0 && InpShowAlerts && time[0]>last_time)
{
Alert(Symbol()+” “+TimeframeToString(Period())+”: Bollinger Bands Outside Candle SHORT Signal”);
last_time=TimeCurrent();
}
}
//— Bullish. Candle opening and closing below the lower bollinger band
if(open[i+1]<close[i+1] && close[i+1]<BufferBandDN[i+1])
{
BufferSigB[i]=low[i];//fmin(open[i+1],fmin(open[i],BufferBandDN[i]));
if(InpShowCandles)
DrawColorCandle(i+1,open,high,low,close);
//— Alert after the last Close of a candle
if(i==0 && InpShowAlerts && time[0]>last_time)
{
Alert(Symbol()+” “+TimeframeToString(Period())+”: Bollinger Bands Outside Candle LONG Signal”);
last_time=TimeCurrent();
}
}
}
}

//— return value of prev_calculated for next call
return(rates_total);
}
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//| Timeframe to string |
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string TimeframeToString(const ENUM_TIMEFRAMES timeframe)
{
return StringSubstr(EnumToString(timeframe),7);
}
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//| Draw Color Candle |
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void DrawColorCandle(const int shift,const double &open[],const double &high[],const double &low[],const double &close[])
{
BufferCandleO[shift]=open[shift];
BufferCandleH[shift]=high[shift];
BufferCandleL[shift]=low[shift];
BufferCandleC[shift]=close[shift];
BufferColors[shift]=(open[shift]<close[shift] ? 0 : open[shift]>close[shift] ? 1 : 2);
}
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