//------------------------------------------------------------------
#property copyright "www.forex-tsd.com"
#property link "www.forex-tsd.com"
// original idea fr this indicator by Dan Valcu
//------------------------------------------------------------------+
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 DimGray
#property indicator_color2 PaleVioletRed
#property indicator_width1 1
#property indicator_width2 2
#property indicator_level1 0
//
//
//
//
//
extern string TimeFrame = "Current time frame";
extern bool BetterFormula = false;
extern int SmoothPeriod = 3;
extern int SmoothMethod = MODE_SMA;
extern int SignalPeriod = 3;
extern int SignalMethod = MODE_SMA;
extern bool alertsOn = true;
extern bool alertsOnCurrent = false;
extern bool alertsMessage = true;
extern bool alertsSound = false;
extern bool alertsNotify = false;
extern bool alertsEmail = false;
extern string soundFile = "alert2.wav";
double bhaOpn[];
double bhaClo[];
double haDelta[];
double haSmooth[];
double haSignal[];
double trend[];
//
//
//
//
//
string indicatorFileName;
bool returnBars;
int timeFrame;
//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//
int init()
{
IndicatorBuffers(6);
SetIndexBuffer(0, haSmooth);
SetIndexBuffer(1, haSignal);
SetIndexBuffer(2, haDelta);
SetIndexBuffer(3, bhaOpn);
SetIndexBuffer(4, bhaClo);
SetIndexBuffer(5, trend);
//
//
//
//
//
indicatorFileName = WindowExpertName();
returnBars = TimeFrame == "returnBars"; if (returnBars) return(0);
timeFrame = stringToTimeFrame(TimeFrame);
//
//
//
//
//
IndicatorShortName(timeFrameToString(timeFrame)+" haDelta smoothed");
return(0);
}
//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//
int start()
{
int counted_bars=IndicatorCounted();
if(counted_bars<0) return(-1);
if(counted_bars>0) counted_bars--;
int limit=MathMin(Bars-counted_bars,Bars-1);
if (returnBars) { haSmooth[0] = limit+1; return(0); }
if (timeFrame!=Period())
{
limit = MathMax(limit,MathMin(Bars-1,iCustom(NULL,timeFrame,indicatorFileName,"returnBars",0,0)*timeFrame/Period()));
for (int i=limit; i>=0; i--)
{
int y = iBarShift(NULL,timeFrame,Time[i]);
haSmooth[i] = iCustom(NULL,timeFrame,indicatorFileName,"",BetterFormula,SmoothPeriod,SmoothMethod,SignalPeriod,SignalMethod,alertsOn,alertsOnCurrent,alertsMessage,alertsSound,alertsNotify,alertsEmail,soundFile,0,y);
haSignal[i] = iCustom(NULL,timeFrame,indicatorFileName,"",BetterFormula,SmoothPeriod,SmoothMethod,SignalPeriod,SignalMethod,alertsOn,alertsOnCurrent,alertsMessage,alertsSound,alertsNotify,alertsEmail,soundFile,1,y);
}
return(0);
}
//
//
//
//
//
for (i=limit; i >= 0; i--)
{
double prOpen = Open[i];
double prClose = Close[i];
double prLow = Low[i];
double prHigh = High[i];
if (BetterFormula) {
if (prHigh!=prLow)
double haClose = (prOpen+prClose)/2.0+(((prClose-prOpen)/(prHigh-prLow))*MathAbs((prClose-prOpen)/2.0));
else haClose = (prOpen+prClose)/2.0; }
else haClose = (prOpen+prHigh+prLow+prClose)/4;
double haOpen = (bhaOpn[i+1]+bhaClo[i+1])/2.0;
//
//
//
//
//
bhaOpn[i] = haOpen;
bhaClo[i] = haClose;
haDelta[i] = haClose-haOpen;
}
for (i=limit; i >= 0; i--) haSmooth[i] = iMAOnArray(haDelta ,0,SmoothPeriod,0,SmoothMethod,i);
for (i=limit; i >= 0; i--)
{
haSignal[i] = iMAOnArray(haSmooth,0,SignalPeriod,0,SignalMethod,i);
trend[i] = trend[i+1];
if (haSmooth[i]>haSignal[i]) trend[i] = 1;
if (haSmooth[i]<haSignal[i]) trend[i] =-1;
}
//
//
//
//
//
if (alertsOn)
{
if (alertsOnCurrent)
int whichBar = 0;
else whichBar = 1;
if (trend[whichBar] != trend[whichBar+1])
if (trend[whichBar] == 1)
doAlert("crossed up");
else doAlert("crossed down");
}
return(0);
}
//-------------------------------------------------------------------
//
//-------------------------------------------------------------------
//
//
//
//
//
string sTfTable[] = {"M1","M5","M15","M30","H1","H4","D1","W1","MN"};
int iTfTable[] = {1,5,15,30,60,240,1440,10080,43200};
//
//
//
//
//
int stringToTimeFrame(string tfs)
{
tfs = stringUpperCase(tfs);
for (int i=ArraySize(iTfTable)-1; i>=0; i--)
if (tfs==sTfTable[i] || tfs==""+iTfTable[i]) return(MathMax(iTfTable[i],Period()));
return(Period());
}
string timeFrameToString(int tf)
{
for (int i=ArraySize(iTfTable)-1; i>=0; i--)
if (tf==iTfTable[i]) return(sTfTable[i]);
return("");
}
//
//
//
//
//
string stringUpperCase(string str)
{
string s = str;
for (int length=StringLen(str)-1; length>=0; length--)
{
int tchar = StringGetChar(s, length);
if((tchar > 96 && tchar < 123) || (tchar > 223 && tchar < 256))
s = StringSetChar(s, length, tchar - 32);
else if(tchar > -33 && tchar < 0)
s = StringSetChar(s, length, tchar + 224);
}
return(s);
}
//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
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void doAlert(string doWhat)
{
static string previousAlert="nothing";
static datetime previousTime;
string message;
if (previousAlert != doWhat || previousTime != Time[0]) {
previousAlert = doWhat;
previousTime = Time[0];
//
//
//
//
//
message = StringConcatenate(Symbol()," ",timeFrameToString(timeFrame)," at ",TimeToStr(TimeLocal(),TIME_SECONDS)," haDelta smoothed ",doWhat);
if (alertsMessage) Alert(message);
if (alertsNotify) SendNotification(message);
if (alertsEmail) SendMail(StringConcatenate(Symbol()," haDelta smoothed "),message);
if (alertsSound) PlaySound(soundFile);
}
}