//------------------------------------------------------------------
#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 SignalPeriod = 3;
extern int SignalMethod = MODE_SMA;
extern bool alertsOn = false;
extern bool alertsOnZeroCross = true;
extern bool alertsOnSignalCross = true;
extern bool alertsOnCurrent = true;
extern bool alertsMessage = true;
extern bool alertsSound = false;
extern bool alertsEmail = false;
double bhaOpn[];
double bhaClo[];
double haDelta[];
double haSignal[];
double trendz[];
double trends[];
string indicatorFileName;
bool returnBars;
int timeFrame;
//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//
int init()
{
IndicatorDigits(6);
IndicatorBuffers(6);
SetIndexBuffer(0, haDelta);
SetIndexBuffer(1, haSignal);
SetIndexBuffer(2, bhaOpn);
SetIndexBuffer(3, bhaClo);
SetIndexBuffer(4, trendz);
SetIndexBuffer(5, trends);
//
//
//
//
//
indicatorFileName = WindowExpertName();
returnBars = TimeFrame=="returnBars"; if (returnBars) { return(0); }
timeFrame = stringToTimeFrame(TimeFrame);
IndicatorShortName(timeFrameToString(timeFrame)+" haDelta ("+SignalPeriod+")");
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) { haDelta[0] = MathMin(limit+1,Bars-1); return(0); }
//
//
//
//
//
if (timeFrame == Period())
{
for (int 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--)
{
haSignal[i]= iMAOnArray(haDelta,0,SignalPeriod,0,SignalMethod,i);
trendz[i]= trendz[i+1];
trends[i]= trends[i+1];
if (haDelta[i]>haSignal[i]) trends[i]= 1;
if (haDelta[i]<haSignal[i]) trends[i]=-1;
if (haDelta[i]>0) trendz[i]= 1;
if (haDelta[i]<0) trendz[i]=-1;
}
manageAlerts();
return(0);
}
//
//
//
//
//
limit = MathMax(limit,MathMin(Bars-1,iCustom(NULL,timeFrame,indicatorFileName,"returnBars",0,0)*timeFrame/Period()));
for (i=limit; i>=0; i--)
{
int y = iBarShift(NULL,timeFrame,Time[i]);
haDelta[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",BetterFormula,SignalPeriod,SignalMethod,0,y);
haSignal[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",BetterFormula,SignalPeriod,SignalMethod,1,y);
trendz[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",BetterFormula,SignalPeriod,SignalMethod,5,y);
trends[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",BetterFormula,SignalPeriod,SignalMethod,6,y);
if (haDelta[i]>haSignal[i]) trends[i]= 1;
if (haDelta[i]<haSignal[i]) trends[i]=-1;
if (haDelta[i]>0) trendz[i]= 1;
if (haDelta[i]<0) trendz[i]=-1;
}
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 char = StringGetChar(s, length);
if((char > 96 && char < 123) || (char > 223 && char < 256))
s = StringSetChar(s, length, char - 32);
else if(char > -33 && char < 0)
s = StringSetChar(s, length, char + 224);
}
return(s);
}
//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//
void manageAlerts()
{
if (alertsOn)
{
if (alertsOnCurrent)
int whichBar = 0;
else whichBar = 1; whichBar = iBarShift(NULL,0,iTime(NULL,timeFrame,whichBar));
//
//
//
//
//
static datetime time1 = 0;
static string mess1 = "";
if (alertsOnZeroCross && trendz[whichBar] != trendz[whichBar+1])
{
if (trendz[whichBar] == 1) doAlert(time1,mess1,whichBar," haDelta crossed zero line up");
if (trendz[whichBar] == -1) doAlert(time1,mess1,whichBar," haDelta crossed zero line down");
}
static datetime time2 = 0;
static string mess2 = "";
if (alertsOnSignalCross && trends[whichBar] != trends[whichBar+1])
{
if (trends[whichBar] == 1) doAlert(time2,mess2,whichBar," haDelta crossed signal line up");
if (trends[whichBar] == -1) doAlert(time2,mess2,whichBar," haDelta crossed signal line down");
}
}
}
//
//
//
//
//
void doAlert(datetime& previousTime, string& previousAlert, int forBar, string doWhat)
{
string message;
if (previousAlert != doWhat || previousTime != Time[forBar]) {
previousAlert = doWhat;
previousTime = Time[forBar];
//
//
//
//
//
message = Symbol()+" "+timeFrameToString(timeFrame)+" at "+TimeToStr(TimeLocal(),TIME_SECONDS)+doWhat;
if (alertsMessage) Alert(message);
if (alertsEmail) SendMail(StringConcatenate(Symbol(),"haDelta "),message);
if (alertsSound) PlaySound("alert2.wav");
}
}