//===================================================================================
// FFCal.mq4
// Copyright © 2006, Derk Wehler
// (derkwehler@gmail.com)
// Written in cooperation with: http://www.forexfactory.com
//
//===================================================================================
#property copyright "Copyright © 2006, Derk Wehler"
#property link "http://www.forexfactory.com"
#property indicator_chart_window
#property indicator_buffers 3
#define TITLE 0
#define COUNTRY 1
#define DATE 2
#define TIME 3
#define IMPACT 4
#define FORECAST 5
#define PREVIOUS 6
#define EVENTMAX 256
extern bool IncludeHigh = true;
extern bool IncludeMedium = true;
extern bool IncludeLow = false;
extern bool IncludeSpeaks = true; // news items with "Speaks" in them have different characteristics
//extern
bool IsEA_Call = false;
//extern
int OffsetHours = 0; // No longer used - euclid
//extern
bool AllowWebUpdates = true; // Set this to false when another indicator instance is already
// running on that same symbol and same period.
extern int AlertMinsBefore = 5; // Set to -1 for no Alert
extern int AlertMinsBefore2 = 1; // Set to -1 for no Alert
//extern
bool ReportAllForUSD = false;
//extern
bool EnableLogging = false; // Perhaps remove this from externs once its working well
//extern
bool ShowNextTwoEvents = true;
bool ShowVertNews = false;
extern int TxtSize = 10;
//extern
color TxtColorTitle = clrWhite;
extern color TxtColorNews = clrDeepSkyBlue;
color TxtColorImpact = clrRed;
extern color TxtColorImpactHigh = clrRed;
extern color TxtColorImpactMedium = clrOrange;
extern color TxtColorImpactLow = clrGold;
int VertTxtShift = 21; // How far away below the ask line we want to place our vertical news text
int VertLeftLineShift = 900; // How far away to the left of the line we want to place our vertical news text
int VertRightLineShift= 200; // How far away to the left of the line we want to place our vertical news text
color VertLineColor = SlateBlue; // Color of our vertical news line
color VertTxtColor = White; // Color of our vertical text color
int VertTxtSize = 8; // Color of our vertical text
int NewsCorner = 4; // Choose which corner to place headlines 0=Upper Left, 1=Upper Right, 2=lower left , 3=lower right
bool SaveXmlFiles = false; // If true, this will keep the daily XML files
int DebugLevel = 2;
double ExtMapBuffer0[]; // Contains (minutes until) each news event
double ExtMapBuffer1[]; // Contains only most recent and next news event ([0] & [1])
double ExtMapBuffer2[]; // Contains impact value for most recent and next news event
string sUrl = "http://www.forexfactory.com/ffcal_week_this.xml";
int xmlHandle;
int logHandle = -1;
int BoEvent, finalend, end, i;
int begin;
string mainData[EVENTMAX][7];
int minsTillNews;
string sData, csvoutput;
string commentStr;
int tmpMins;
int idxOfNext;
int dispMinutes[2];
string dispTitle[2],
dispCountry[2],
dispImpact[2],
dispForecast[2],
dispPrevious[2];
string sTags[7] = { "<title>", "<country>", "<date>", "<time>", "<impact>", "<forecast>", "<previous>" };
string eTags[7] = { "</title>", "</country>", "</date>", "</time>", "</impact>", "</forecast>", "</previous>" };
bool NeedToGetFile = false;
int PrevMinute = -1;
//static int RefreshMin = 0;
//static int RefreshHour = 0;
datetime LastTimeAlert1 = 0; // Used to make sure we only draw something once per annoucement. Added by MN
string xmlFileName; // Made global. added by MN
int LastSTO=0; //Added by euclid
int init()
{
// If we are not logging, then do not output debug statements either
// moved by euclid
if (!EnableLogging)
DebugLevel = 0;
// Open the log file (will not open if logging is turned off)
// Filename changed by euclid
OpenLog(StringConcatenate("FFCal",Symbol(),Period()));
//if (DebugLevel > 0)
// Log("In Init()...\n");
SetIndexStyle(0, DRAW_NONE);
SetIndexBuffer(0, ExtMapBuffer0);
SetIndexStyle(1, DRAW_NONE);
SetIndexBuffer(1, ExtMapBuffer1);
SetIndexStyle(1, DRAW_NONE);
SetIndexBuffer(2, ExtMapBuffer2);
IndicatorShortName("FFCal");
return(0);
}
int deinit()
{
ObjectDelete("Sponsor");
ObjectDelete("Minutes");
ObjectDelete("Impact");
ObjectDelete("Previous");
ObjectDelete("Forecast");
ObjectDelete("Minutes2");
ObjectDelete("Impact2");
ObjectDelete("Previous2");
ObjectDelete("Forecast2");
DeleteVLines(); //added by euclid
// Fixed one case of divide by zero where multiple charts
// indicator is on was trying to overwrite the same file
xmlFileName = GetXmlFileName();
xmlHandle = FileOpen(xmlFileName, FILE_BIN|FILE_READ|FILE_WRITE);
// File does not exist if FileOpen return -1 or if GetLastError = ERR_CANNOT_OPEN_FILE (4103)
if (xmlHandle >= 0)
{
// Since file exists, Close what we just opened
FileClose(xmlHandle);
// Delete our news file and redownload a new one to prevent a remainder from zero divide error
if (!SaveXmlFiles)
FileDelete(xmlFileName);
}
if (logHandle > 0)
{
FileClose(logHandle);
logHandle = -1;
}
return(0);
}
void DeleteVLines()
{//delete lines - moved to function call by euclid
// Cycle through all the Objects looking for the Vertical Line. //added by MN
int li;
for(li=ObjectsTotal()-1; li >= 0; li--)
{
string VerticalLineName = ObjectName(li);
if (StringSubstr(VerticalLineName, 0, 5) != "vLine")
continue;
ObjectDelete(VerticalLineName);
}
// Cycle through all the Objects looking for the HeadLine text. //added by MN
for (li=ObjectsTotal()-1; li >= 0; li--)
{
string HeadlineName = ObjectName(li);
if (StringSubstr(HeadlineName, 0, 8) != "Headline")
continue;
ObjectDelete(HeadlineName);
}
}
string GetXmlFileName()
{
return (Month() + "-" + Day() + "-" + Year() + "-" + Symbol() + Period() + "-" + "FFCal.xml");
}
#import "wininet1.dll"
int DeleteUrlCacheEntry(string a0);
#import "urlmon.dll"
int URLDownloadToFileW(int a0, string a1, string a2, int a3, int a4);
#import
int start()
{
int newsIdx = 0;
int nextNewsIdx = -1;
int next;
string myEvent;
bool skip;
datetime newsTime;
// check to make sure we are connected, otherwise exit. Added by MN
if (!IsConnected())
{
Print("News Indicator is waiting for a connection to broker!");//message modified by euclid
return(0);
}
commentStr = "FOREX FACTORY CALENDAR";
// Added this section to check if the XML file already exists.
// If it does NOT, then we need to set a flag to go get it
xmlFileName = GetXmlFileName();
xmlHandle = FileOpen(xmlFileName, FILE_BIN|FILE_READ);
// File does not exist if FileOpen return -1 or if GetLastError = ERR_CANNOT_OPEN_FILE (4103)
if (xmlHandle >= 0)
{
// Since file exists, close what we just opened
FileClose(xmlHandle);
NeedToGetFile = false;
}
else
NeedToGetFile = true;
//added by MN. Set this to false when using in another EA or Chart, so that the multiple
//instances of the indicator dont fight with each other
if (AllowWebUpdates && NeedToGetFile)
{
// New method: Use global variables so that when put on multiple charts, it
// will not update overly often; only first time and every 4 hours
// Global variables code not working removed by euclid
//if (DebugLevel > 1)
// Print(GlobalVariableGet(GVUpdateTime) + " " + (TimeCurrent() - GlobalVariableGet(GVUpdateTime)));
//if (DebugLevel > 1)
// Log("sUrl == ", sUrl);
if (DebugLevel > 1)
Log("Grabbing Web, url = "+sUrl);
// THIS CALL WAS DONATED BY PAUL TO HELP FIX THE RESOURCE ERROR
if (IsTesting())
string dnlFile = TerminalInfoString(TERMINAL_DATA_PATH)+"\\tester\\files\\"+xmlFileName;
else dnlFile = TerminalInfoString(TERMINAL_DATA_PATH)+"\\MQL4\\files\\"+xmlFileName;
string dnlLink = "http://www.forexfactory.com/ffcal_week_this.xml";
int delResult = DeleteUrlCacheEntry(dnlFile);
// int delResult = DeleteUrlCacheEntry(dnlFile);
int dowResult = URLDownloadToFileW(0,dnlLink,dnlFile,0,0);
int filehandle=FileOpen(xmlFileName,FILE_READ|FILE_BIN);
sData = FileReadString(filehandle,0);
FileClose(filehandle);
Comment(sData);
// GrabWeb(sUrl, sData);
if (DebugLevel > 1)
{
Log("Opening XML file...\n");
Log(StringConcatenate(StringLen(sData), " bytes"));
}
// THIS BLOCK OF CODE DONATED BY WALLY TO FIX THE RESOURCE ERROR
//--- Look for the end XML tag to ensure that a complete page was downloaded ---//
// block moved by euclid - now we check file is OK before overwriting previous file
// needs code added to keep using existing file while attmpting downloads
end = StringFind(sData, "</weeklyevents>", 0);
if (end <= 0)
{
Log("Error: web page not complete");
// Alert("FFCal Error - Web page download was not complete!");
return(false);
}
// Delete existing file
FileDelete(xmlFileName);
// Write the contents of the ForexFactory page to an .htm file
// If it is still open from the above FileOpen call, close it.
xmlHandle = FileOpen(xmlFileName, FILE_BIN|FILE_WRITE);
if (xmlHandle < 0)
{
Print("Can\'t open xml file: ", xmlFileName, ". The last error is ", GetLastError());
Log("Error: XML file open failed");
return(false);
}
FileWriteString(xmlHandle, sData, StringLen(sData));
FileClose(xmlHandle);
if (DebugLevel > 1)
Log("Wrote XML file...\n");
DeleteVLines(); //new file downloaded delete old data from chart - added by euclid
} //end of allow web updates
// = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
// Perform remaining checks once per minute
if (!IsEA_Call && Minute() == PrevMinute)
return (true);
PrevMinute = Minute();
// Print("FFCal NEW MINUTE...Refreshing News from XML file...");
// Init the buffer array to zero just in case
ArrayInitialize(ExtMapBuffer0, 0);
ArrayInitialize(ExtMapBuffer1, 0);
// Open the XML file
xmlHandle = FileOpen(xmlFileName, FILE_BIN|FILE_READ);
if (xmlHandle < 0)
{
Print("Can\'t open xml file: ", xmlFileName, ". The last error is ", GetLastError());
Log("Error: XML file open failed");
return(false);
}
if (DebugLevel > 1)
Log("XML file opened");
// Read in the whole XML file
// Workaround for FileReadString limitation - added by euclid
sData="";
while (StringLen(sData) < (int)FileSize(xmlHandle))
sData = StringConcatenate(sData,FileReadString(xmlHandle, FileSize(xmlHandle)-StringLen(sData)));
//changed to StringConcatenate (string + string is not reliable) - euclid
if (DebugLevel > 1)
Log(StringConcatenate(StringLen(sData)," bytes read"));
// Because MT4 build 202 complained about too many files open and MT4 hung. Added by MN
if (xmlHandle > 0)
FileClose(xmlHandle);
// Get the currency pair, and split it into the two countries
string pair = Symbol();
string cntry1 = StringSubstr(pair, 0, 3);
string cntry2 = StringSubstr(pair, 3, 3);
if (DebugLevel > 2)
Log("cntry1 = "+cntry1+" cntry2 = "+cntry2);
if (DebugLevel > 1)
Log("Weekly calendar for " + pair + "\n\n");
// calculate server time offset - added by euclid
double d = (TimeCurrent()-lTimeGMT());
int ServerTimeOffset = 3600*MathRound(d/3600);
if (ServerTimeOffset!=LastSTO) DeleteVLines();
LastSTO=ServerTimeOffset;
// -------------------------------------------------
// Parse the XML file looking for an event to report
// -------------------------------------------------
tmpMins = 10080; // (a week)
BoEvent = 0;
while (newsIdx<EVENTMAX)//added by euclid
{
BoEvent = StringFind(sData, "<event>", BoEvent);
if (BoEvent == -1)
break;
BoEvent += 7;
next = StringFind(sData, "</event>", BoEvent);
if (next == -1)
break;
myEvent = StringSubstr(sData, BoEvent, next - BoEvent);
BoEvent = next;
begin = 0;
skip = false;
for (i=0; i < 7; i++)
{
mainData[newsIdx][i] = "";
next = StringFind(myEvent, sTags[i], begin);
// Within this event, if tag not found, then it must be missing; skip it
if (next == -1)
continue;
else
{
// We must have found the sTag okay...
begin = next + StringLen(sTags[i]); // Advance past the start tag
end = StringFind(myEvent, eTags[i], begin); // Find start of end tag
if (end > begin && end != -1)
{
// Get data between start and end tag
mainData[newsIdx][i] = StringSubstr(myEvent, begin, end - begin);
//check for CDATA tag - added by euclid
if (StringSubstr(mainData[newsIdx][i],0,9)=="<![CDATA[")
{
mainData[newsIdx][i]=StringSubstr(mainData[newsIdx][i],9,StringLen(mainData[newsIdx][i])-12);
}
//also needs to check for HTML entities here... (euclid)
}
}
}
if (!IncludeHigh && mainData[newsIdx][IMPACT] == "High")
skip = true;
if (!IncludeMedium && mainData[newsIdx][IMPACT] == "Medium")
skip = true;
if (!IncludeLow && mainData[newsIdx][IMPACT] == "Low")
skip = true;
if (!IncludeSpeaks && (StringFind(mainData[newsIdx][TITLE], "speaks") != -1 ||
StringFind(mainData[newsIdx][TITLE], "Speaks") != -1) )
skip = true;
if (mainData[newsIdx][TIME] == "All Day" ||
mainData[newsIdx][TIME] == "Tentative" ||
mainData[newsIdx][TIME] == "")
skip = true;
// = - = = - = = - = = - = = - = = - = = - = = - = = - = = - =
// If not skipping this event, then log it into the draw buffers
if (!skip)
{
// If we got this far then we need to calc the minutes until this event
//
// First, convert the announcement time to seconds (in GMT)
newsTime = StrToTime(MakeDateTime(mainData[newsIdx][DATE], mainData[newsIdx][TIME]));
// Now calculate the minutes until this announcement (may be negative)
minsTillNews = (newsTime - lTimeGMT()) / 60;
if (DebugLevel > 2)
{
Log("FOREX FACTORY\nTitle: " + mainData[newsIdx][TITLE] + "\n" + minsTillNews + "\n\n");
}
// This "if" section added by MN
// If minsTillNews is zero, then it's the time our news is hit
// DisplayVerticalNews removed by euclid.
if ((minsTillNews == 0) && (LastTimeAlert1 != newsTime))
{
// draw the 1st news event onto the chart vertically so
// we have a visual record of when it occured
// DisplayVerticalNews(dispTitle[0], dispCountry[0], 0);
// If there is a 2nd simultaneous news event,
// display the 2nd news event
// if (dispMinutes[0] == dispMinutes[1])
// DisplayVerticalNews(dispTitle[1], dispCountry[1], 1);
// only draw once per announcement
LastTimeAlert1 = newsTime;
}
// This "if" section added by MN
// Back Draw old news onto the chart. Added by MN
if (ShowVertNews && !IsEA_Call)
{
// server time offsets added by euclid
// Back draw 1st news headline
DisplayOldNews(mainData[newsIdx][TITLE], mainData[newsIdx][COUNTRY], 0, StrToTime(MakeDateTime(mainData[newsIdx][DATE], mainData[newsIdx][TIME]))+ServerTimeOffset);
//if there is a 2nd simultaneously occuring news headline, draw that onto the chart as well
if (mainData[newsIdx][TIME] == mainData[newsIdx+1][TIME])
DisplayOldNews(mainData[newsIdx+1][TITLE], mainData[newsIdx+1][COUNTRY], 1,
StrToTime(MakeDateTime(mainData[newsIdx+1][DATE], mainData[newsIdx+1][TIME]))+ServerTimeOffset);
}
// Keep track of the most recent news announcement.
// Do that by saving each one until we get to the
// first annoucement that isn't in the past; i.e.
// minsTillNews > 0. Then, keep this one instead for
// display, but only once the minutes until the next
// news is SMALLER than the minutes since the last.
// Print("Mins till event: ", minsTillNews);
if (minsTillNews < 0 || MathAbs(tmpMins) > minsTillNews)
{
idxOfNext = newsIdx;
tmpMins = minsTillNews;
}
//Log("Weekly calendar for " + pair + "\n\n");
if (DebugLevel > 2)
{
Log("FOREX FACTORY\nTitle: " + mainData[newsIdx][TITLE] +
"\nCountry: " + mainData[newsIdx][COUNTRY] +
"\nDate: " + mainData[newsIdx][DATE] +
"\nTime: " + mainData[newsIdx][TIME] +
"\nImpact: " + mainData[newsIdx][IMPACT] +
"\nForecast: " + mainData[newsIdx][FORECAST] +
"\nPrevious: " + mainData[newsIdx][PREVIOUS] + "\n\n");
}
// Do alert if user has enabled
if (AlertMinsBefore != -1 && minsTillNews == AlertMinsBefore)
Alert(AlertMinsBefore, " minutes until news for ", pair, ": ", mainData[newsIdx][TITLE]);
if (AlertMinsBefore2 != -1 && minsTillNews == AlertMinsBefore2)
Alert(AlertMinsBefore2, " minutes until news for ", pair, ": ", mainData[newsIdx][TITLE]);
// Buffers are set up as so:
// ExtMapBuffer0 contains the time UNTIL each announcement (can be negative)
// e.g. [0] = -372; [1] = 25; [2] = 450; [3] = 1768 (etc.)
// ExtMapBuffer1[0] has the mintutes since the last annoucement.
// ExtMapBuffer1[1] has the mintutes until the next annoucement.
ExtMapBuffer0[newsIdx] = minsTillNews;
newsIdx++;
}
}
// Cycle through the events array and pick out the most recent
// past and the next coming event to put into ExtMapBuffer1.
// Put the corresponding impact for these two into ExtMapBuffer2.
bool first = true;
ExtMapBuffer1[0] = 99999;
ExtMapBuffer1[1] = 99999;
ExtMapBuffer2[0] = 0;
ExtMapBuffer2[1] = 0;
string outNews = "Minutes until news events for " + pair + " : ";
for (i=0; i < newsIdx; i++)
{
outNews = outNews + ExtMapBuffer0[i] + ", ";
if (ExtMapBuffer0[i] >= 0 && first)
{
first = false;
// Put the relevant info into the indicator buffers...
// Minutes SINCE - - - - - - - - - - - - - - - - - - - - - - - - -
// (does not apply if the first event of the week has not passed)
if (i > 0)
{
ExtMapBuffer1[0] = MathAbs(ExtMapBuffer0[i-1]);
ExtMapBuffer2[0] = ImpactToNumber(mainData[i-1][IMPACT]);
}
// Minutes UNTIL - - - - - - - - - - - - - - - - - - - - - - - - -
// Check if past the last event.
if (ExtMapBuffer0[i] > 0 || (ExtMapBuffer0[i] == 0 && ExtMapBuffer0[i+1] > 0))
{
ExtMapBuffer1[1] = ExtMapBuffer0[i];
}
ExtMapBuffer2[1] = ImpactToNumber(mainData[i][IMPACT]);
}
// Also use this loop to set which information to display
if (i == idxOfNext)
{
dispTitle[0] = mainData[i][TITLE];
dispCountry[0] = mainData[i][COUNTRY];
dispImpact[0] = mainData[i][IMPACT];
dispForecast[0] = mainData[i][FORECAST];
dispPrevious[0] = mainData[i][PREVIOUS];
dispMinutes[0] = ExtMapBuffer0[i];
}
if (i == idxOfNext + 1)
{
dispTitle[1] = mainData[i][TITLE];
dispCountry[1] = mainData[i][COUNTRY];
dispImpact[1] = mainData[i][IMPACT];
dispForecast[1] = mainData[i][FORECAST];
dispPrevious[1] = mainData[i][PREVIOUS];
dispMinutes[1] = ExtMapBuffer0[i];
}
}
// If we are past all news events, then neither one will have been
// set, so set the past event to the last (negative) minutes
if (ExtMapBuffer1[0] == 0 && ExtMapBuffer1[1] == 0)
{
ExtMapBuffer1[0] = ExtMapBuffer0[i-1];
ExtMapBuffer1[1] = 999999;
}
// For debugging...Print the tines until news events, as a "Comment"
if (DebugLevel > 2)
{
Log(outNews);
Log(StringConcatenate("LastMins (ExtMapBuffer1[0]) = ", ExtMapBuffer1[0]));
Log(StringConcatenate("NextMins (ExtMapBuffer1[1]) = ", ExtMapBuffer1[1]));
}
if (!IsEA_Call)
OutputToChart();
return (0);
}
// Back Draw Old news veritically on the Chart so that we
// have a visual reference of when it did occur. Added by MN
void DisplayOldNews(string tdispTitle, string tdispCountry, int shift, datetime TheTime)
{
int BarShift;
double Pivot;
double Height = 0.0;
// We have TheTime, now we need the shift so we can
// access this Bar's High/Low/Close information
BarShift = iBarShift(NULL, 0, TheTime);
// Calculate our pivot point to determine where to place the news text
Pivot = (iHigh(NULL, 1440, BarShift) +
iLow(NULL, 1440, BarShift) +
iClose(NULL, 1440, BarShift)) / 3;
// If open price is above the Pivot, determine our height
if (Open[BarShift] > Pivot)
Height = Low[iLowest(NULL, 0, MODE_LOW, 5, BarShift)] - VertTxtShift*Point;
// Otherwise Open is below Pivot
else
Height = High[iHighest(NULL, 0, MODE_HIGH, 5, BarShift)] + VertTxtShift*Point;
//Print("Title recieved : " + dispTitle + " Country Recieved: " + dispCountry + " Date and time Recieved: " + TheTime);
// We only want to vertically draw the news if it hasnt occured yet
// Modified to display news on current bar replacing DisplayVertNews().
if (TheTime <= TimeCurrent())
{
// Draw the first news headline
if (shift == 0)
{
// Draw a vertical line at the time of the
// news if it hasnt already been drawn
if (ObjectFind("vLine" + TheTime) == -1)
{
ObjectCreate("vLine" + TheTime, OBJ_TREND, 0, TheTime, 0, TheTime, High[0]); //experimental
ObjectSet("vLine" + TheTime, OBJPROP_COLOR, VertLineColor);
ObjectSet("vLine" + TheTime, OBJPROP_STYLE, STYLE_DOT);
// put object in the background behind any other object on the chart
ObjectSet("vLine" + TheTime, OBJPROP_BACK, true);
}
// Place our news if it hasnt already been placed on our chart
if (ObjectFind("Headline" + TheTime) == -1)
{
// For x value use Time[0], for y value find the lowest bar within the last 10 bars, subtract by VertTxtShift and used that as our y coordinate
ObjectCreate("Headline" + TheTime, OBJ_TEXT, 0, TheTime - VertLeftLineShift, Height);
// rotate the text 90 degrees
ObjectSet("Headline" + TheTime, OBJPROP_ANGLE, 90);
ObjectSetText("Headline" + TheTime, "News: " + tdispCountry + " " + tdispTitle,
VertTxtSize, "Arial", VertTxtColor);
}
}
// Draw second news headline
else
{
//place our news if it hasnt already been placed on our chart
if (ObjectFind("Headline" + TheTime + "s") == -1)
{
// For x value use Time[0], for y value find the lowest bar within the
// last 10 bars, subtract by VertTxtShift and used that as our y coordinate
ObjectCreate("Headline" + TheTime + "s", OBJ_TEXT, 0,
TheTime + VertRightLineShift, Height);
// Rotate the text 90 degrees
ObjectSet("Headline" + TheTime + "s", OBJPROP_ANGLE, 90);
ObjectSetText("Headline" + TheTime + "s", "News: " + tdispCountry + " " + tdispTitle,
VertTxtSize, "Arial", VertTxtColor);
}
} // end of "if shift)
} // end of (TheTime < Time[0])
// Force a redraw of our chart
WindowRedraw();
return;
}
void OutputToChart()
{
// Added by Robert for using TxtSize and TxtColor for easier reading
int curY = 1;
int Days, Hours, Mins; // to display time in days, hours, minutes
string TimeStr;
// Ensures that we clean up so that we get old text
// left behind on old news annoumcents. Added by MN. Moved by euclid.
ObjectDelete("Impact");
ObjectDelete("Previous");
ObjectDelete("Forecast");
ObjectDelete("Impact2");
ObjectDelete("Previous2");
ObjectDelete("Forecast2");
/*if (ObjectFind("Sponsor") == -1)
ObjectCreate("Sponsor", OBJ_LABEL, 0, 0, 0);
ObjectSetText("Sponsor", commentStr, TxtSize, "Arial Bold", TxtColorTitle);
ObjectSet("Sponsor", OBJPROP_CORNER, NewsCorner);
ObjectSet("Sponsor", OBJPROP_XDISTANCE, 5);
ObjectSet("Sponsor", OBJPROP_YDISTANCE, curY);*/
// If the time is 0 or negative, we want to say
// "xxx mins SINCE ... news event", else say "UNTIL ... news event"
string sinceUntil = "until ";
int dispMins = dispMinutes[0];
if (dispMinutes[0] <= 0)
{
sinceUntil = "since ";
dispMins *= -1;
}
curY = curY + TxtSize + 4;
// added the following to show hours and days for longer durations
// this could be enhanced to suppress 0 hours and 0 minutes
if (dispMins == 999999)
{
TimeStr = " (No more events this week)";
}
else if (dispMins < 60)
{
TimeStr = dispMins + " mins ";
}
else // time is 60 minutes or more
{
Hours = MathRound(dispMins / 60);
Mins = dispMins % 60;
if (Hours < 24) // less than a day: show hours and minutes
{
TimeStr = Hours + " hrs " + Mins + " mins ";
}
else // days, hours, and minutes
{
Days = MathRound(Hours / 24);
Hours = Hours % 24;
TimeStr = Days + " days " + Hours + " hrs " + Mins + " mins ";
}
}
if (ObjectFind("Minutes") == -1)
ObjectCreate("Minutes", OBJ_LABEL, 0, 0, 0);
if (dispMins == 999999)
ObjectSetText("Minutes", TimeStr, TxtSize, "Trebuchet MS", TxtColorNews);
else
ObjectSetText("Minutes", TimeStr + sinceUntil + dispCountry[0] + ": " + dispTitle[0], TxtSize, "Trebuchet MS", TxtColorNews);
ObjectSet("Minutes", OBJPROP_CORNER, NewsCorner);
ObjectSet("Minutes", OBJPROP_XDISTANCE, 5);
ObjectSet("Minutes", OBJPROP_YDISTANCE, curY);
curY = curY + TxtSize + 4;
if (ObjectFind("Impact") == -1)
ObjectCreate("Impact", OBJ_LABEL, 0, 0, 0);
if (dispImpact[0]=="Low") TxtColorImpact=TxtColorImpactLow;else if(dispImpact[0]=="Medium") TxtColorImpact=TxtColorImpactMedium;else if(dispImpact[0]=="High") TxtColorImpact=TxtColorImpactHigh;else TxtColorImpact=Red;
ObjectSetText("Impact", "Impact: " + dispImpact[0], TxtSize, "Trebuchet MS", TxtColorImpact);
ObjectSet("Impact", OBJPROP_CORNER, NewsCorner);
ObjectSet("Impact", OBJPROP_XDISTANCE, 5);
ObjectSet("Impact", OBJPROP_YDISTANCE, curY);
// Do second news event
if (ShowNextTwoEvents && dispTitle[1] != "")
{
sinceUntil = "until ";
dispMins = dispMinutes[1];
if (dispMinutes[1] <= 0)
{
sinceUntil = "since ";
dispMins *= -1;
}
curY = curY + TxtSize + 3;
// added the following to show hours and days for longer durations
// this could be enhanced to suppress 0 hours and 0 minutes
if (dispMins == 999999)
{
TimeStr = " (No more events this week)";
}
else if (dispMins < 60)
{
TimeStr = dispMins + " mins ";
}
else // time is 60 minutes or more
{
Hours = MathRound(dispMins / 60);
Mins = dispMins % 60;
if (Hours < 24) // less than a day: show hours and minutes
{
TimeStr = Hours + " hrs " + Mins + " mins ";
}
else // days, hours, and minutes
{
Days = MathRound(Hours / 24);
Hours = Hours % 24;
TimeStr = Days + " days " + Hours + " hrs " + Mins + " mins ";
}
}
if (ObjectFind("Minutes2") == -1)
ObjectCreate("Minutes2", OBJ_LABEL, 0, 0, 0);
if (dispMins == 999999)
ObjectSetText("Minutes", TimeStr, TxtSize, "Trebuchet MS", TxtColorNews);
else
ObjectSetText("Minutes2", TimeStr + "until " + dispCountry[1] + ": " + dispTitle[1], TxtSize, "Trebuchet MS", TxtColorNews);
ObjectSet("Minutes2", OBJPROP_CORNER, NewsCorner);
ObjectSet("Minutes2", OBJPROP_XDISTANCE, 5);
ObjectSet("Minutes2", OBJPROP_YDISTANCE, curY);
curY = curY + TxtSize + 4;
if (ObjectFind("Impact2") == -1)
ObjectCreate("Impact2", OBJ_LABEL, 0, 0, 0);
if (dispImpact[1]=="Low") TxtColorImpact=TxtColorImpactLow;else if(dispImpact[1]=="Medium") TxtColorImpact=TxtColorImpactMedium;else if(dispImpact[1]=="High") TxtColorImpact=TxtColorImpactHigh;else TxtColorImpact=Red;
ObjectSetText("Impact2", "Impact: " + dispImpact[1], TxtSize, "Trebuchet MS", TxtColorImpact);
ObjectSet("Impact2", OBJPROP_CORNER, NewsCorner);
ObjectSet("Impact2", OBJPROP_XDISTANCE, 5);
ObjectSet("Impact2", OBJPROP_YDISTANCE, curY);
}
return;
}
double ImpactToNumber(string impact)
{
if (impact == "High")
return (3);
if (impact == "Medium")
return (2);
if (impact == "Low")
return (1);
else
return (0);
}
string MakeDateTime(string strDate, string strTime)
{
// Print("Converting Forex Factory Time into Metatrader time..."); //added by MN
// Converts forexfactory time & date into yyyy.mm.dd hh:mm
int n1stDash = StringFind(strDate, "-");
int n2ndDash = StringFind(strDate, "-", n1stDash+1);
string strMonth = StringSubstr(strDate, 0, 2);
string strDay = StringSubstr(strDate, 3, 2);
string strYear = StringSubstr(strDate, 6, 4);
// strYear = "20" + strYear;
int nTimeColonPos = StringFind(strTime, ":");
string strHour = StringSubstr(strTime, 0, nTimeColonPos);
string strMinute = StringSubstr(strTime, nTimeColonPos+1, 2);
string strAM_PM = StringSubstr(strTime, StringLen(strTime)-2);
int nHour24 = StrToInteger(strHour);
if ((strAM_PM == "pm" || strAM_PM == "PM") && nHour24 != 12)
{
nHour24 += 12;
}
if ((strAM_PM == "am" || strAM_PM == "AM") && nHour24 == 12)
{
nHour24 = 0;
}
string strHourPad = "";
if (nHour24 < 10)
strHourPad = "0";
return(StringConcatenate(strYear, ".", strMonth, ".", strDay, " ", strHourPad, nHour24, ":", strMinute));
}
//=================================================================================================
//=================================================================================================
//==================================== GrabWeb Functions ======================================
//=================================================================================================
//=================================================================================================
// Main Webscraping function
// ~~~~~~~~~~~~~~~~~~~~~~~~~
// bool GrabWeb(string strUrl, string& strWebPage)
// returns the text of any webpage. Returns false on timeout or other error
//
// Parsing functions
// ~~~~~~~~~~~~~~~~~
// string GetData(string strWebPage, int nStart, string strLeftTag, string strRightTag, int& nPos)
// obtains the text between two tags found after nStart, and sets nPos to the end of the second tag
//
// void Goto(string strWebPage, int nStart, string strTag, int& nPos)
// Sets nPos to the end of the first tag found after nStart
bool bWinInetDebug = true;
int hSession_IEType;
int hSession_Direct;
int Internet_Open_Type_Preconfig = 0;
int Internet_Open_Type_Direct = 1;
int Internet_Open_Type_Proxy = 3;
int Buffer_LEN = 80;
#import "wininet.dll"
#define INTERNET_FLAG_PRAGMA_NOCACHE 0x00000100 // Forces the request to be resolved by the origin server, even if a cached copy exists on the proxy.
#define INTERNET_FLAG_NO_CACHE_WRITE 0x04000000 // Does not add the returned entity to the cache.
#define INTERNET_FLAG_RELOAD 0x80000000 // Forces a download of the requested file, object, or directory listing from the origin server, not from the cache.
int InternetOpenW(
string sAgent,
int lAccessType,
string sProxyName="",
string sProxyBypass="",
int lFlags=0
);
int InternetOpenUrlW(
int hInternetSession,
string sUrl,
string sHeaders="",
int lHeadersLength=0,
uint lFlags=0,
int lContext=0
);
int InternetReadFile(
int hFile,
string sBuffer,
int lNumBytesToRead,
int& lNumberOfBytesRead[]
);
int InternetCloseHandle(
int hInet
);
#import
int hSession(bool Direct)
{
string InternetAgent;
if (hSession_IEType == 0)
{
InternetAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Q312461)";
hSession_IEType = InternetOpenW(InternetAgent, Internet_Open_Type_Preconfig, "0", "0", 0);
hSession_Direct = InternetOpenW(InternetAgent, Internet_Open_Type_Direct, "0", "0", 0);
}
if (bWinInetDebug)
Log("hsession_ietype: " + hSession_IEType);
if (bWinInetDebug)
Log("hsession_direct: " + hSession_Direct);
if (Direct)
{
return(hSession_Direct);
}
else
{
return(hSession_IEType);
}
}
bool GrabWeb(string strUrl, string& strWebPage)
{
int hInternet;
int iResult;
int lReturn[] = {1};
string sBuffer = " "; // 255 spaces
int bytes;
bWinInetDebug = EnableLogging; //added by euclid
hInternet = InternetOpenUrlW(hSession(FALSE), strUrl, "0", 0,
INTERNET_FLAG_NO_CACHE_WRITE |
INTERNET_FLAG_PRAGMA_NOCACHE |
INTERNET_FLAG_RELOAD, 0);
if (bWinInetDebug)
Log("hInternet: " + hInternet);
if (hInternet == 0)
return(false);
if (DebugLevel>1) Log("Reading URL: " + strUrl); //added by MN modified by euclid
iResult = InternetReadFile(hInternet, sBuffer, Buffer_LEN, lReturn);
if (bWinInetDebug)
Log("iResult: " + iResult);
if (bWinInetDebug)
Log("lReturn: " + lReturn[0]);
if (bWinInetDebug)
Log("iResult: " + iResult);
if (bWinInetDebug)
Log("sBuffer: " + sBuffer);
if (iResult == 0)
return(false);
bytes = lReturn[0];
strWebPage = StringSubstr(sBuffer, 0, lReturn[0]);
// If there's more data then keep reading it into the buffer
while (lReturn[0] != 0)
{
iResult = InternetReadFile(hInternet, sBuffer, Buffer_LEN, lReturn);
if (lReturn[0]==0)
break;
bytes = bytes + lReturn[0];
strWebPage = strWebPage + StringSubstr(sBuffer, 0, lReturn[0]);
}
if (DebugLevel>1) Log("Closing URL web connection"); //added by MN modified by euclid
iResult = InternetCloseHandle(hInternet);
if (iResult == 0)
return(false);
return(true);
}
//=================================================================================================
//=================================================================================================
//=================================== LogUtils Functions ======================================
//=================================================================================================
//=================================================================================================
void OpenLog(string strName)
{
if (!EnableLogging)
return;
if (logHandle > 0)
FileClose(logHandle);
string strMonthPad = "";
string strDayPad = "";
if (Month() < 10)
strMonthPad = "0";
if (Day() < 10)
strDayPad = "0";
string strFilename = StringConcatenate(strName, "_", Year(), strMonthPad, Month(), strDayPad, Day(), "_log.txt");
logHandle = FileOpen(strFilename,FILE_CSV|FILE_READ|FILE_WRITE);
//Print("logHandle =================================== ", logHandle);
if (logHandle > 0)
{
FileFlush(logHandle);
FileSeek(logHandle, 0, SEEK_END);
}
}
void Log(string msg)
{
if (!EnableLogging)
return;
if (logHandle <= 0)
return;
msg = TimeToStr(TimeCurrent(),TIME_DATE|TIME_MINUTES|TIME_SECONDS) + " " + msg;
FileWrite(logHandle,msg);
FileFlush(logHandle);
}
//=================================================================================================
//=================================================================================================
//=================================== Timezone Functions ======================================
//=================================================================================================
//=================================================================================================
#import "kernel32.dll"
int GetTimeZoneInformation(int& TZInfoArray[]);
#import
#define TIME_ZONE_ID_UNKNOWN 0
#define TIME_ZONE_ID_STANDARD 1
#define TIME_ZONE_ID_DAYLIGHT 2
int TZInfoArray[43];
datetime lTimeGMT()
{//modified by euclid
int ret = GetTimeZoneInformation(TZInfoArray);
int bias = TZInfoArray[0];
if (ret == TIME_ZONE_ID_STANDARD) bias+=TZInfoArray[21];
if (ret == TIME_ZONE_ID_DAYLIGHT) bias+=TZInfoArray[42];
return( TimeLocal() + bias * 60 );
}
//=================================================================================================
//=================================================================================================
//================================= END IMPORTED FUNCTIONS =====================================
//=================================================================================================
//=================================================================================================