ADX_WildersDMI_v1.02 alerts
//+------------------------------------------------------------------+
//| WildersDMI_v1.mq4 |
//| Copyright ?2007, TrendLaboratory Ltd. |
//| http://finance.groups.yahoo.com/group/TrendLaboratory |
//| E-mail: igorad2004@list.ru |
//+------------------------------------------------------------------+
#property copyright "Copyright ?2007, TrendLaboratory Ltd."
#property link "http://finance.groups.yahoo.com/group/TrendLaboratory"
//----
#property indicator_separate_window
#property indicator_buffers 4
#property indicator_color1 LightBlue
#property indicator_width1 2
#property indicator_color2 Blue
#property indicator_width2 1
#property indicator_style2 2
#property indicator_color3 Black
#property indicator_width3 1
#property indicator_style3 2
#property indicator_color4 Orange
#property indicator_width4 2
#property indicator_levelcolor Yellow
//---- input parameters
extern int MA_Length=13; // Period of additional smoothing
extern int DMI_Length=13; // Period of DMI
extern int ADX_Length=14; // Period of ADX
extern int ADXR_Length =14; // Period of ADXR
extern int UseADX =0; // Use ADX: 0-off,1-on
extern int UseADXR =0; // Use ADXR: 0-off,1-on
extern double Level = 20.0;
extern string note = "turn on Alert = true; turn off = false";
extern bool alertsOn = true;
extern bool alertsOnCurrent = true;
extern bool alertsOnLevelCross = true;
extern bool alertsOnDiPlusDiMinusCross = true;
extern bool alertsMessage = true;
extern bool alertsSound = true;
extern bool alertsNotify = true;
extern bool alertsEmail = false;
extern string soundFile = "alert2.wav";
//---- buffers
double ADX[];
double PDI[];
double MDI[];
double ADXR[];
double sPDI[];
double sMDI[];
double STR[];
double DX[];
double trend[];
double trend1[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
IndicatorBuffers(10);
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0,ADX);
SetIndexStyle(1,DRAW_LINE,0,2);
SetIndexBuffer(1,PDI);
SetIndexStyle(2,DRAW_LINE,0,2);
SetIndexBuffer(2,MDI);
SetIndexStyle(3,DRAW_LINE);
SetIndexBuffer(3,ADXR);
SetIndexBuffer(4,sPDI);
SetIndexBuffer(5,sMDI);
SetIndexBuffer(6,STR);
SetIndexBuffer(7,DX);
SetIndexBuffer(8,trend);
SetIndexBuffer(9,trend1);
SetLevelValue(0,Level);
//---- name for DataWindow and indicator subwindow label
string short_name="WildersDMI("+MA_Length+","+DMI_Length+","+ADX_Length+","+ADXR_Length+")";
IndicatorShortName(short_name);
SetIndexLabel(0,"ADX");
SetIndexLabel(1,"+DI");
SetIndexLabel(2,"-DI");
SetIndexLabel(3,"ADXR");
//----
SetIndexDrawBegin(0,DMI_Length+MA_Length);
SetIndexDrawBegin(1,DMI_Length+MA_Length);
SetIndexDrawBegin(2,DMI_Length+MA_Length);
SetIndexDrawBegin(3,DMI_Length+MA_Length);
SetIndexShift(3,2);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int shift, counted_bars=IndicatorCounted();
double alfa1=1.0/DMI_Length;
double alfa2=1.0/ADX_Length;
//----
if (counted_bars < 0) return(-1);
if(counted_bars<1)
for(shift=1;shift<=MA_Length+DMI_Length;shift++)
{
PDI=0.0;MDI=0.0;ADX=0.0;
sPDI=0.0;sMDI=0.0;DX=0.0;
STR=0.0;ADXR=0.0;
}
shift=Bars-MA_Length-DMI_Length-1;
if(counted_bars>=DMI_Length+MA_Length) shift=Bars-counted_bars-1;
while(shift>=0)
{
double AvgHigh =iMA(NULL,0,MA_Length,0,1,PRICE_HIGH,shift);
double AvgHigh1=iMA(NULL,0,MA_Length,0,1,PRICE_HIGH,shift+1);
double AvgLow=iMA(NULL,0,MA_Length,0,1,PRICE_LOW,shift);
double AvgLow1 =iMA(NULL,0,MA_Length,0,1,PRICE_LOW,shift+1);
double AvgClose1= iMA(NULL,0,MA_Length,0,1,PRICE_CLOSE,shift+1);
//----
double Bulls=0.5*(MathAbs(AvgHigh-AvgHigh1)+(AvgHigh-AvgHigh1));
double Bears=0.5*(MathAbs(AvgLow1-AvgLow)+(AvgLow1-AvgLow));
if (Bulls > Bears) Bears=0;
else
if (Bulls < Bears) Bulls=0;
else
if (Bulls==Bears) {Bulls=0;Bears=0;}
//----
sPDI=sPDI + alfa1 * (Bulls - sPDI);
sMDI=sMDI + alfa1 * (Bears - sMDI);
//----
double TR=MathMax(AvgHigh-AvgLow,AvgHigh-AvgClose1);
STR =STR + alfa1 * (TR - STR);
if(STR>0 )
{
PDI=100*sPDI/STR;
MDI=100*sMDI/STR;
}
if(UseADX > 0)
{
if((PDI + MDI)>0)
DX=100*MathAbs(PDI - MDI)/(PDI + MDI);
else DX=0;
//----
ADX=ADX + alfa2 *(DX - ADX);
if(UseADXR >0) ADXR=0.5*(ADX + ADX);
}
trend = 0;
trend1 = trend1;
if (ADX > Level) trend= 1;
if (ADX < Level) trend=-1;
if (PDI > MDI) trend1 = 1;
if (PDI < MDI) trend1 =-1;
shift--;
}
//
//
//
//
//
if (alertsOn)
{
if (alertsOnCurrent)
int whichBar = 0;
else whichBar = 1;
//
//
//
//
//
static datetime time1 = 0;
static string mess1 = "";
if (alertsOnLevelCross && trend != trend)
{
if (trend == 1) doAlert(time1,mess1,whichBar,"up");
if (trend ==-1) doAlert(time1,mess1,whichBar,"down");
}
static datetime time2 = 0;
static string mess2 = "";
if (alertsOnDiPlusDiMinusCross && trend1 != trend1)
{
if (trend1 == 1) doAlert(time2,mess2,whichBar," DMI UP ");
if (trend1 ==-1) doAlert(time2,mess2,whichBar," DMI DOWN");
}
}
return(0);
}
//
//
//
//
//
void doAlert(datetime& previousTime, string& previousAlert, int forBar, string doWhat)
{
string message;
if (previousAlert != doWhat || previousTime != Time) {
previousAlert= doWhat;
previousTime = Time;
//
//
//
//
//
message =StringConcatenate(AccountNumber()," - ",Symbol()," at ",TimeToStr(TimeLocal(),TIME_SECONDS)," ",doWhat);
if (alertsMessage) Alert(message);
if (alertsEmail) SendMail(StringConcatenate(Symbol()," "),message);
if (alertsNotify)SendNotification(message);
if (alertsSound) PlaySound(soundFile);
}
}
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