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Range-Bars-Charting/Indicators/RangeBars/ADX Cross Alerts.mq5
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2021-04-28 17:27:12 +02:00

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//+------------------------------------------------------------------+
//| ma cross.mq5 |
//| Copyright 2018, MetaQuotes Software Corp. |
//| https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2018, MetaQuotes Software Corp."
#property link "https://www.mql5.com"
#property version "1.00"
#property indicator_chart_window
#property indicator_buffers 3
#property indicator_plots 2
#property indicator_type1 DRAW_ARROW
#property indicator_color1 clrLightSeaGreen
#property indicator_width1 2
#property indicator_label1 "Bull ADX Cross"
#property indicator_type2 DRAW_ARROW
#property indicator_color2 clrRed
#property indicator_width2 2
#property indicator_label2 "Bear ADX Cross"
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
input int AdxPeriod = 14; // ADX period
input bool alertsOn = true; // Turn alerts on?
input bool alertsOnCurrent = false; // Alert on current bar?
input bool alertsMessage = true; // Display messages on alerts?
input bool alertsSound = false; // Play sound on alerts?
input bool alertsEmail = false; // Send email on alerts?
input bool alertsNotify = false; // Send push notification on alerts?
input int lookback = 256; // Maximum lookback period
double crossUp[],crossDn[],cross[];
#include <IncOnRingBuffer\CATROnRingBuffer.mqh>
#include <IncOnRingBuffer\CADXOnRingBuffer.mqh>
CATROnRingBuffer atr;
CADXOnRingBuffer adx;
int _start = 0;
//
// Initialize custom chart indicator for data processing
// according to settings of the custom chart indicator already on chart
//
#include <AZ-INVEST/CustomBarConfig.mqh>
//
//
//
int OnInit()
{
//--- indicator buffers mapping
SetIndexBuffer(0,crossUp,INDICATOR_DATA); PlotIndexSetInteger(0,PLOT_ARROW,233);
SetIndexBuffer(1,crossDn,INDICATOR_DATA); PlotIndexSetInteger(1,PLOT_ARROW,234);
SetIndexBuffer(2,cross);
if(!adx.Init(AdxPeriod,MODE_EMA,lookback)) return(INIT_FAILED);
if(!atr.Init(15,MODE_SMA,lookback)) return(INIT_FAILED);
customChartIndicator.SetGetTimeFlag();
IndicatorSetString(INDICATOR_SHORTNAME,"ADX cross "+(string)AdxPeriod+")");
return(INIT_SUCCEEDED);
}
void OnDeinit(const int reason)
{
}
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(!customChartIndicator.OnCalculate(rates_total,prev_calculated,time,close))
return(0);
if(!customChartIndicator.BufferSynchronizationCheck(close))
return(0);
int _prev_calculated = customChartIndicator.GetPrevCalculated();
atr.MainOnArray(rates_total,_prev_calculated,customChartIndicator.High,customChartIndicator.Low,customChartIndicator.Close);
adx.MainOnArray(rates_total,_prev_calculated,customChartIndicator.High,customChartIndicator.Low,customChartIndicator.Close);
ArraySetAsSeries(customChartIndicator.Low, false);
ArraySetAsSeries(customChartIndicator.High, false);
if(_prev_calculated==0)
{
_start = rates_total-adx.Size()+1;
}
else
_start = MathMax(_prev_calculated-1,1);
for(int i=_start;i<rates_total;i++)
{
int ix = rates_total-1-i;
cross[i] = (ix>0) ? (adx.pdi[ix]>adx.ndi[ix]) ? 1 : (adx.pdi[ix]<adx.ndi[ix]) ? 2 : cross[i-1] : 0;
crossUp[i] = EMPTY_VALUE;
crossDn[i] = EMPTY_VALUE;
if (i>0 && cross[i]!=cross[i-1])
{
if (cross[i] == 1) crossUp[i] = customChartIndicator.Low[i]-atr[ix];
if (cross[i] == 2) crossDn[i] = customChartIndicator.High[i]+atr[ix];
}
}
manageAlerts(customChartIndicator.Time,cross,rates_total);
return (rates_total);
}
//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//
void manageAlerts(const datetime& _time[], double& _trend[], int bars)
{
if (alertsOn)
{
int whichBar = bars-1; if (!alertsOnCurrent) whichBar = bars-2; datetime time1 = _time[whichBar];
if (_trend[whichBar] != _trend[whichBar-1])
{
if (_trend[whichBar] == 1) doAlert(time1," plus DI crossing minus DI up");
if (_trend[whichBar] == 2) doAlert(time1," plus DI crossing minus DI down");
}
}
}
//
//
//
//
//
void doAlert(datetime forTime, string doWhat)
{
static string previousAlert="nothing";
static datetime previousTime;
if (previousAlert != doWhat || previousTime != forTime)
{
previousAlert = doWhat;
previousTime = forTime;
//
//
//
//
//
string message = TimeToString(TimeLocal(),TIME_SECONDS)+" "+_Symbol+" Adx "+doWhat;
if (alertsMessage) Alert(message);
if (alertsEmail) SendMail(_Symbol+"Adx",message);
if (alertsNotify) SendNotification(message);
if (alertsSound) PlaySound("alert2.wav");
}
}