//+------------------------------------------------------------------+
//| Color Stochastic.mq4 |
//| mladen |
//+------------------------------------------------------------------+
#property copyright "mladen"
#property link "mladenfx@gmail.com"
#property indicator_separate_window
#property indicator_buffers 6
#property indicator_color1 DimGray
#property indicator_color2 DimGray
#property indicator_color3 DeepSkyBlue
#property indicator_color4 DeepSkyBlue
#property indicator_color5 Red
#property indicator_color6 Red
#property indicator_style1 STYLE_DOT
#property indicator_width3 2
#property indicator_width4 2
#property indicator_width5 2
#property indicator_width6 2
#property indicator_minimum 0
#property indicator_maximum 100
//
//
//
//
//
extern string TimeFrame = "current time frame";
extern int KPeriod = 14;
extern int Slowing = 3;
extern int DPeriod = 3;
extern int MAMethod = 2;
extern int PriceField = 0;
extern int overBought = 80;
extern int overSold = 20;
extern bool Interpolate = true;
extern bool showLevels = true;
extern bool showArrows = true;
extern bool showArrowsOnZoneEnter = true;
extern bool showArrowsOnZoneExit = true;
extern string arrowsIdentifier = "Color stochastic";
extern color arrowsOBColor = DeepSkyBlue;
extern color arrowsOSColor = Red;
//
//
//
//
//
extern bool alertsOn = true;
extern bool alertsOnZoneEnter = true;
extern bool alertsOnZoneExit = true;
extern bool alertsOnCurrent = true;
extern bool alertsMessage = true;
extern bool alertsSound = false;
extern bool alertsEmail = false;
//
//
//
//
//
//
double KFull[];
double DFull[];
double Uppera[];
double Upperb[];
double Lowera[];
double Lowerb[];
double trend[];
//
//
//
//
//
int timeFrame;
string IndicatorFileName;
bool ReturningBars;
//+-------------------------------------------------------------------
//|
//+-------------------------------------------------------------------
int init()
{
IndicatorBuffers(7);
SetIndexBuffer(0,DFull); SetIndexLabel(1,"Stochastic");
SetIndexBuffer(1,KFull);
SetIndexBuffer(2,Uppera); SetIndexLabel(2,NULL);
SetIndexBuffer(3,Upperb); SetIndexLabel(3,NULL);
SetIndexBuffer(4,Lowera); SetIndexLabel(4,NULL);
SetIndexBuffer(5,Lowerb); SetIndexLabel(5,NULL);
SetIndexBuffer(6,trend);
//
//
//
//
//
IndicatorFileName = WindowExpertName();
ReturningBars = (TimeFrame=="returnBars"); if (ReturningBars) { showArrows=False; return(0); }
timeFrame = stringToTimeFrame(TimeFrame);
//
//
//
//
//
DPeriod = MathMax(DPeriod,1);
if (DPeriod==1) {
SetIndexStyle(0,DRAW_NONE);
SetIndexLabel(0,NULL);
}
else {
SetIndexStyle(0,DRAW_LINE);
SetIndexLabel(0,"Signal");
}
if (showLevels)
{ SetLevelValue(0,overBought); SetLevelValue(1,overSold); }
else { SetLevelValue(0,EMPTY); SetLevelValue(1,EMPTY); }
//
//
//
//
//
string shortName = "Stochastic "+timeFrameToString(timeFrame)+" ("+KPeriod+","+Slowing+","+DPeriod+","+maDescription(MAMethod)+","+priceDescription(PriceField);
if (overBought < overSold) overBought = overSold;
if (overBought < 100) shortName = shortName+","+overBought;
if (overSold > 0) shortName = shortName+","+overSold;
IndicatorShortName(shortName+")");
return(0);
}
//
//
//
//
//
int deinit()
{
if (showArrows) deleteArrows();
return(0);
}
//+-------------------------------------------------------------------
//|
//+-------------------------------------------------------------------
//
//
//
//
//
int start()
{
int counted_bars=IndicatorCounted();
int i,limit;
if(counted_bars < 0) return(-1);
if(counted_bars > 0) counted_bars--;
limit = MathMin(Bars-counted_bars,Bars-1);
if (ReturningBars) { KFull[0] = limit+1; return(0); }
if (timeFrame > Period()) limit = MathMax(limit,MathMin(Bars-1,iCustom(NULL,timeFrame,IndicatorFileName,"returnBars",0,0)*timeFrame/Period()));
//
//
//
//
//
if (trend[limit]== 1) CleanPoint(limit,Uppera,Upperb);
if (trend[limit]==-1) CleanPoint(limit,Lowera,Lowerb);
for(i=limit; i>=0; i--)
{
int y = iBarShift(NULL,timeFrame,Time[i]);
KFull[i] = iStochastic(NULL,timeFrame,KPeriod,DPeriod,Slowing,MAMethod,PriceField,MODE_MAIN,y);
DFull[i] = iStochastic(NULL,timeFrame,KPeriod,DPeriod,Slowing,MAMethod,PriceField,MODE_SIGNAL,y);
trend[i] = trend[i+1];
if (KFull[i] < overBought && KFull[i] > overSold) trend[i] = 0;
if (KFull[i] > overBought) trend[i] = 1;
if (KFull[i] < overSold ) trend[i] = -1;
//
//
//
//
//
if (timeFrame <= Period() || y==iBarShift(NULL,timeFrame,Time[i-1])) continue;
if (!Interpolate) continue;
//
//
//
//
//
datetime time = iTime(NULL,timeFrame,y);
for(int n = 1; i+n < Bars && Time[i+n] >= time; n++) continue;
double factor = 1.0 / n;
for(int k = 1; k < n; k++)
{
KFull[i+k] = k*factor*KFull[i+n] + (1.0-k*factor)*KFull[i];
DFull[i+k] = k*factor*DFull[i+n] + (1.0-k*factor)*DFull[i];
}
}
//
//
//
//
//
for(i=limit; i>=0; i--)
{
Uppera[i] = EMPTY_VALUE;
Upperb[i] = EMPTY_VALUE;
Lowera[i] = EMPTY_VALUE;
Lowerb[i] = EMPTY_VALUE;
if (trend[i]== 1) PlotPoint(i,Uppera,Upperb,KFull);
if (trend[i]==-1) PlotPoint(i,Lowera,Lowerb,KFull);
//
//
//
//
//
if (showArrows)
{
deleteArrow(Time[i]);
if (trend[i]!=trend[i+1])
{
if (showArrowsOnZoneEnter && trend[i] == 1) drawArrow(i,arrowsOBColor,241,false);
if (showArrowsOnZoneEnter && trend[i] ==-1) drawArrow(i,arrowsOSColor,242,true);
if (showArrowsOnZoneExit && trend[i+1] == 1 && trend[i]!=-1) drawArrow(i,arrowsOBColor,242,true);
if (showArrowsOnZoneExit && trend[i+1] ==-1 && trend[i]!= 1) drawArrow(i,arrowsOSColor,241,False);
}
}
}
//
//
//
//
//
if (alertsOn)
{
if (alertsOnCurrent)
int whichBar = 0;
else whichBar = 1; whichBar = iBarShift(NULL,0,iTime(NULL,timeFrame,whichBar));
if (trend[whichBar] != trend[whichBar+1])
{
if (alertsOnZoneEnter && trend[whichBar] == 1) doAlert(whichBar,DoubleToStr(overBought,2)+" crossed up");
if (alertsOnZoneEnter && trend[whichBar] ==-1) doAlert(whichBar,DoubleToStr(overSold ,2)+" crossed down");
if (alertsOnZoneExit && trend[whichBar+1] == 1 && trend[whichBar]!=-1) doAlert(whichBar,DoubleToStr(overBought,2)+" crossed dow");
if (alertsOnZoneExit && trend[whichBar+1] ==-1 && trend[whichBar]!= 1) doAlert(whichBar,DoubleToStr(overSold ,2)+" crossed up");
}
}
return(0);
}
//+-------------------------------------------------------------------
//|
//+-------------------------------------------------------------------
//
//
//
//
//
void drawArrow(int i,color theColor,int theCode,bool up)
{
string name = arrowsIdentifier+":"+Time[i];
double gap = 3.0*iATR(NULL,0,20,i)/4.0;
//
//
//
//
//
ObjectCreate(name,OBJ_ARROW,0,Time[i],0);
ObjectSet(name,OBJPROP_ARROWCODE,theCode);
ObjectSet(name,OBJPROP_COLOR,theColor);
if (up)
ObjectSet(name,OBJPROP_PRICE1,High[i]+gap);
else ObjectSet(name,OBJPROP_PRICE1,Low[i] -gap);
}
//
//
//
//
//
void deleteArrows()
{
string lookFor = arrowsIdentifier+":";
int lookForLength = StringLen(lookFor);
for (int i=ObjectsTotal()-1; i>=0; i--)
{
string objectName = ObjectName(i);
if (StringSubstr(objectName,0,lookForLength) == lookFor) ObjectDelete(objectName);
}
}
void deleteArrow(datetime time)
{
string lookFor = arrowsIdentifier+":"+time; ObjectDelete(lookFor);
}
//+-------------------------------------------------------------------
//|
//+-------------------------------------------------------------------
//
//
//
//
//
void doAlert(int forBar, string doWhat)
{
static string previousAlert="nothing";
static datetime previousTime;
string message;
if (previousAlert != doWhat || previousTime != Time[forBar]) {
previousAlert = doWhat;
previousTime = Time[forBar];
//
//
//
//
//
message = StringConcatenate(Symbol()," at ",TimeToStr(TimeLocal(),TIME_SECONDS)," stochastic level ",doWhat);
if (alertsMessage) Alert(message);
if (alertsEmail) SendMail(StringConcatenate(Symbol(),"Color stochastic "),message);
if (alertsSound) PlaySound("alert2.wav");
}
}
//+-------------------------------------------------------------------
//|
//+-------------------------------------------------------------------
//
//
//
//
//
void CleanPoint(int i,double& first[],double& second[])
{
if ((second[i] != EMPTY_VALUE) && (second[i+1] != EMPTY_VALUE))
second[i+1] = EMPTY_VALUE;
else
if ((first[i] != EMPTY_VALUE) && (first[i+1] != EMPTY_VALUE) && (first[i+2] == EMPTY_VALUE))
first[i+1] = EMPTY_VALUE;
}
//
//
//
//
//
void PlotPoint(int i,double& first[],double& second[],double& from[])
{
if (first[i+1] == EMPTY_VALUE)
{
if (first[i+2] == EMPTY_VALUE) {
first[i] = from[i];
first[i+1] = from[i+1];
second[i] = EMPTY_VALUE;
}
else {
second[i] = from[i];
second[i+1] = from[i+1];
first[i] = EMPTY_VALUE;
}
}
else
{
first[i] = from[i];
second[i] = EMPTY_VALUE;
}
}
//+-------------------------------------------------------------------
//|
//+-------------------------------------------------------------------
//
//
//
//
//
string priceDescription(int mode)
{
string answer;
switch(mode)
{
case 0: answer = "Low/High" ; break;
case 1: answer = "Close/Close" ; break;
default: answer = "Invalid price field requested";
Alert(answer);
}
return(answer);
}
string maDescription(int mode)
{
string answer;
switch(mode)
{
case MODE_SMA: answer = "SMA" ; break;
case MODE_EMA: answer = "EMA" ; break;
case MODE_SMMA: answer = "SMMA" ; break;
case MODE_LWMA: answer = "LWMA" ; break;
default: answer = "Invalid MA mode requested";
Alert(answer);
}
return(answer);
}
//+-------------------------------------------------------------------
//|
//+-------------------------------------------------------------------
//
//
//
//
//
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);
}