//------------------------------------------------------------------
#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 4
#property indicator_color1 LimeGreen
#property indicator_color2 Orange
#property indicator_color3 DimGray
#property indicator_color4 PaleVioletRed
#property indicator_width1 2
#property indicator_width2 2
#property indicator_width3 3
#property indicator_width4 3
#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 verticalLinesVisible = false;
extern string verticalLinesID = "HaDeltaLines";
extern color verticalLinesUpColor = LimeGreen;
extern color verticalLinesDownColor = Orange;
extern int verticalLinesStyle = STYLE_DOT;
extern int verticalLinesWidth = 0;
double haUp[];
double haDn[];
double bhaOpn[];
double bhaClo[];
double haDelta[];
double haSignal[];
double cross[];
string indicatorFileName;
bool returnBars;
int timeFrame;
//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//
int init()
{
IndicatorDigits(6);
IndicatorBuffers(7);
SetIndexBuffer(0, haUp); SetIndexStyle(0,DRAW_HISTOGRAM);
SetIndexBuffer(1, haDn); SetIndexStyle(1,DRAW_HISTOGRAM);
SetIndexBuffer(2, haDelta);
SetIndexBuffer(3, haSignal);
SetIndexBuffer(4, bhaOpn);
SetIndexBuffer(5, bhaClo);
SetIndexBuffer(6, cross);
//
//
//
//
//
indicatorFileName = WindowExpertName();
returnBars = TimeFrame=="returnBars"; if (returnBars) { return(0); }
timeFrame = stringToTimeFrame(TimeFrame);
IndicatorShortName(timeFrameToString(timeFrame)+" haDelta ("+SignalPeriod+")");
return(0);
}
int deinit()
{
string lookFor = verticalLinesID+":";
int lookForLength = StringLen(lookFor);
for (int i=ObjectsTotal()-1; i>=0; i--)
{
string objectName = ObjectName(i);
if (StringSubstr(objectName,0,lookForLength) == lookFor) ObjectDelete(objectName);
}
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) { haUp[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;
haUp[i] = EMPTY_VALUE;
haDn[i] = EMPTY_VALUE;
if (haDelta[i]>0) haUp[i] = haDelta[i];
if (haDelta[i]<0) haDn[i] = haDelta[i];
}
for (i=limit; i >= 0; i--)
{
haSignal[i] = iMAOnArray(haDelta,0,SignalPeriod,0,SignalMethod,i);
cross[i] = cross[i+1];
if (haDelta[i]>haSignal[i]) cross[i] = 1;
if (haDelta[i]<haSignal[i]) cross[i] = -1;
if (verticalLinesVisible && cross[i] != cross[i+1])
if (cross[i] == 1)
drawLine(i,verticalLinesUpColor );
else drawLine(i,verticalLinesDownColor);
}
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,verticalLinesVisible,verticalLinesID,verticalLinesUpColor,verticalLinesDownColor,verticalLinesStyle,verticalLinesWidth,2,y);
haSignal[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",BetterFormula,SignalPeriod,SignalMethod,verticalLinesVisible,verticalLinesID,verticalLinesUpColor,verticalLinesDownColor,verticalLinesStyle,verticalLinesWidth,3,y);
haUp[i] = EMPTY_VALUE;
haDn[i] = EMPTY_VALUE;
if (haDelta[i]>0) haUp[i] = haDelta[i];
if (haDelta[i]<0) haDn[i] = haDelta[i];
}
return(0);
}
//-------------------------------------------------------------------
//
//-------------------------------------------------------------------
//
//
//
//
//
void drawLine(int i,color theColor)
{
string name = verticalLinesID+":"+Time[i];
//
//
//
//
//
ObjectCreate(name,OBJ_VLINE,0,Time[i],0);
ObjectSet(name,OBJPROP_COLOR,theColor);
ObjectSet(name,OBJPROP_STYLE,verticalLinesStyle);
ObjectSet(name,OBJPROP_WIDTH,verticalLinesWidth);
ObjectSet(name,OBJPROP_BACK,true);
}
//
//
//
//
//
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);
}