//+------------------------------------------------------------------+
//|                                        _US-HEDGE_CloseOrders.mq4 |
//|                                       Copyright © 2008, LEGRUPO. |
//|                                           http://www.legrupo.com |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2008, LEGRUPO."
#property link      "http://www.legrupo.com"

#property indicator_chart_window

// NEWS.CSV file must exist in: \metatrader 4\experts\files
extern   string   FileName          = "gbpjpy_2007.csv";   // News file name
extern   int      VertSpacing       = 5;            // # pips spacing between symbols plotted against same bar
extern   int      SymbolSize        = 2;            // size of symbols being plotted on the chart

// Filters (set parameter to FALSE to suppress plot):
extern   datetime FromDate          = D'2007.12.01 00:00';
extern   datetime ThruDate          = D'2007.12.31 23:59';
extern   bool     Plot_High         = TRUE;         // High impact   = 3 (red plot)
extern   bool     Plot_Medium       = TRUE;         // Medium impact = 2 (orange plot)
extern   bool     Plot_Low          = TRUE;         // Low impact    = 1 (yellow plot)
extern   bool     Plot_USD          = TRUE;         // USD = 1 (wingding character #140)
extern   bool     Plot_CAD          = TRUE;         // CAD = 2 (wingding character #141)
extern   bool     Plot_EUR          = TRUE;         // EUR = 3 (wingding character #142)
extern   bool     Plot_GBP          = TRUE;         // GBP = 4 (wingding character #143)
extern   bool     Plot_CHF          = TRUE;         // CHF = 5 (wingding character #144)
extern   bool     Plot_JPY          = TRUE;         // JPY = 6 (wingding character #145)
extern   bool     Plot_AUD          = TRUE;         // AUD = 7 (wingding character #146)
extern   bool     Plot_NZD          = TRUE;         // NZD = 8 (wingding character #147)

int      handle;

int      eCount;              // Event counter
datetime eTime[9999];         // Event date/time, format = yyyy.mm.dd<space>hh:mm
int      eNumber[9999];       // Event seq# (same date/time use ascending seq#s)
int      eWingding[9999];     // Wingding code for implicated currency, as above
int      eImpact[9999];       // 1=low impact; 2=medium impact; 3=high impact
string   eCurrency[9999];     // Currency/ies on whose charts object will display; ALL = all currencies 
string   ePeriods[9999];      // Time period settings on which object will display (M1,M5,M15,M30,H1,H4,D1,W1,MTH; 0=no, 1=yes)
string   eText1[9999];        // First descr line, format = hh:mm XXX Y "event description"
                              //   where XXX=currency; Y=H/M/L impact
string   eText2[9999];        // Second descr line, shows Actual, Forecast, Previous values

//----
extern color color1 = Red;
extern color color2 = White;
extern color color3 = Red;
extern color color4 = White;
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];
double ExtMapBuffer4[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
{
SetIndexStyle(0,DRAW_HISTOGRAM, 0, 1, color1);
   SetIndexBuffer(0, ExtMapBuffer1);
   SetIndexStyle(1,DRAW_HISTOGRAM, 0, 1, color2);
   SetIndexBuffer(1, ExtMapBuffer2);
   SetIndexStyle(2,DRAW_HISTOGRAM, 0, 3, color3);
   SetIndexBuffer(2, ExtMapBuffer3);
   SetIndexStyle(3,DRAW_HISTOGRAM, 0, 3, color4);
   SetIndexBuffer(3, ExtMapBuffer4);
//----
   SetIndexDrawBegin(0,10);
   SetIndexDrawBegin(1,10);
   SetIndexDrawBegin(2,10);
   SetIndexDrawBegin(3,10);
//---- indicator buffers mapping
   SetIndexBuffer(0,ExtMapBuffer1);
   SetIndexBuffer(1,ExtMapBuffer2);
   SetIndexBuffer(2,ExtMapBuffer3);
   SetIndexBuffer(3,ExtMapBuffer4);
//---- initialization done

//---- indicators

   string objname, sym1, sym2, cmp1, cmp2;
   int    barno, dir1, h;
   double vertpos;

   handle = FileOpen(FileName, FILE_CSV|FILE_READ,',');          // Open NEWS.CSV
   if(handle < 1) {
      Comment("File "+FileName+" not found.");
   }
   double haOpen, haHigh, haLow, haClose;
   string output = "From "+TimeToStr(FromDate)+" to "+TimeToStr(ThruDate)+":\n";
   Comment("");
   while ( !FileIsEnding(handle)) 
   {
      string date = FileReadString(handle);
      string time = FileReadString(handle);
      double open = StrToDouble(FileReadString(handle));
      double high = StrToDouble(FileReadString(handle));
      double low  = StrToDouble(FileReadString(handle));
      double close = StrToDouble(FileReadString(handle));
      int volume  = StrToInteger(FileReadString(handle));
      //Comment(date,",",time,",",open,",",high,",",low,",",close,",",volume);
      haOpen=(ExtMapBuffer3[h+1]+ExtMapBuffer4[h+1])/2;
      haClose=(Open[h]+High[h]+Low[h]+Close[h])/4;
      haHigh=MathMax(High[h], MathMax(haOpen, haClose));
      haLow=MathMin(Low[h], MathMin(haOpen, haClose));
      //Comment(date,",",time,",",haOpen,",",haHigh,",",haLow,",",haClose,",",volume);
      
      // here we plot objects based on configuration
      //if ((StringFind(date, "11|12") > 0)) {
      if (StrToTime(date+" "+time) >= FromDate && StrToTime(date+" "+time) <= ThruDate) {
         output = output+ "Date: "+date+" ";
         output = output+ "Open: "+NormalizeDouble(open, Digits)+" ";
         output = output+ "High: "+NormalizeDouble(high, Digits)+" ";
         output = output+ "Low: "+NormalizeDouble(low, Digits)+" ";
         output = output+ "Close:  "+NormalizeDouble(close, Digits)+"\n";
         Comment(output);
      }
      
      
      if (haOpen<haClose) 
        {
         ExtMapBuffer1[h]=haLow;
         ExtMapBuffer2[h]=haHigh;
        } 
      else
        {
         ExtMapBuffer1[h]=haHigh;
         ExtMapBuffer2[h]=haLow;
        } 
      ExtMapBuffer3[h]=haOpen;
      ExtMapBuffer4[h]=haClose;
      h++;
   }
   FileClose(handle);

   /*for(eCount = 0; !FileIsEnding(handle); eCount++)              // Read from NEWS.CSV; one line per event
   {
      eTime[eCount]     = StrToTime(FileReadString(handle));     // Event date/time
      eNumber[eCount]   = StrToInteger(FileReadString(handle));  // Event seq# (same date/time have ascending seq#s)
      eWingding[eCount] = StrToInteger(FileReadString(handle));  // Wingding code denoting implicated currency
      eImpact[eCount]   = StrToInteger(FileReadString(handle));  // Impact: 1=low; 2=medium; 3=High
      eCurrency[eCount] = FileReadString(handle);                // Currency/ies on whose charts object will display; ALL = all currencies
      ePeriods[eCount]  = FileReadString(handle);                // Time period settings on which object will display (M1,M5,M15,M30,H1,H4,D1,W1,MTH; 0=no, 1=yes)
      eText1[eCount]    = FileReadString(handle);                // First line of description
      eText2[eCount]    = FileReadString(handle);                // Second line of description

      if (eNumber[eCount] == 0 )      continue;                  // Invalid entry, or EOF
//    if (eWingding[eCount] == 0 )    continue;
//    if (eImpact[eCount] == 0 )      continue;

      if (eTime[eCount] < FromDate) continue;                    // Skip if outside entered date range
      if (eTime[eCount] > ThruDate) continue;
      
      if (eImpact[eCount] == 1 && Plot_Low == FALSE)    continue;                     // Skip if impact outside entered values
      if (eImpact[eCount] == 2 && Plot_Medium == FALSE) continue;
      if (eImpact[eCount] == 3 && Plot_High == FALSE)   continue;
      
      if (eWingding[eCount] == 140 && Plot_USD == FALSE)   continue;                  // Skip if currency outside entered values
      if (eWingding[eCount] == 141 && Plot_CAD == FALSE)   continue;
      if (eWingding[eCount] == 142 && Plot_EUR == FALSE)   continue;
      if (eWingding[eCount] == 143 && Plot_GBP == FALSE)   continue;
      if (eWingding[eCount] == 144 && Plot_CHF == FALSE)   continue;
      if (eWingding[eCount] == 145 && Plot_JPY == FALSE)   continue;
      if (eWingding[eCount] == 146 && Plot_AUD == FALSE)   continue;
      if (eWingding[eCount] == 147 && Plot_NZD == FALSE)   continue;

      if ( StringSubstr(ePeriods[eCount],0,1) == "0" && Period() == PERIOD_M1  )   continue;    // Skip if not to be shown on this period's chart
      if ( StringSubstr(ePeriods[eCount],1,1) == "0" && Period() == PERIOD_M5  )   continue;
      if ( StringSubstr(ePeriods[eCount],2,1) == "0" && Period() == PERIOD_M15 )   continue;
      if ( StringSubstr(ePeriods[eCount],3,1) == "0" && Period() == PERIOD_M30 )   continue;
      if ( StringSubstr(ePeriods[eCount],4,1) == "0" && Period() == PERIOD_H1  )   continue;
      if ( StringSubstr(ePeriods[eCount],5,1) == "0" && Period() == PERIOD_H4  )   continue;
      if ( StringSubstr(ePeriods[eCount],6,1) == "0" && Period() == PERIOD_D1  )   continue;
      if ( StringSubstr(ePeriods[eCount],7,1) == "0" && Period() == PERIOD_W1  )   continue;
      if ( StringSubstr(ePeriods[eCount],8,1) == "0" && Period() == PERIOD_MN1 )   continue;

      bool skipflag = FALSE;                                                          // Skip if currency outside entered values
      if (eCurrency[eCount] != "ALL")
        {
          skipflag = TRUE;
          sym1 = StringSubstr(Symbol(),0,3);
          sym2 = StringSubstr(Symbol(),3,3);
          cmp1 = StringSubstr(eCurrency[eCount],0,3);
          if (StringLen(eCurrency[eCount]) > 3) 
          {
            cmp2 = StringSubstr(eCurrency[eCount],3,3);
            if ((cmp1 == "ALL" || cmp1 == sym1 || cmp1 == sym2) && (cmp2 == "ALL" || cmp2 == sym1 || cmp2 == sym2)) skipflag = FALSE;   
          }
          else
          {
            if (cmp1 == "ALL" || cmp1 == sym1 || cmp1 == sym2) skipflag = FALSE;   
          }  
        }
      if (skipflag == TRUE) continue;  

      objname = eText1[eCount];                                                       // Set object name = first descr line
      barno = iBarShift(NULL,0,eTime[eCount],FALSE);                                  // Number of bars back from current
//    if (eWingding[eCount] == 0) barno++;

      dir1 = 1;
      if (eNumber[eCount] < 0) dir1 = -1;
      
      if (VertSpacing * eNumber[eCount] > 0) 
        vertpos = iLow(NULL,0,barno) - VertSpacing * eNumber[eCount] * Point;         // Plot object VertSpacing pips x seq# below low of relevant bar
      else
        vertpos = iHigh(NULL,0,barno) - VertSpacing * (eNumber[eCount]+dir1) * Point;    // Plot object VertSpacing pips x seq# above high of relevant bar
      if (eWingding[eCount] == 0)
       {  
        ObjectCreate(objname,OBJ_TEXT,0,eTime[eCount],vertpos);                
        ObjectSet(objname,OBJPROP_ANGLE,0);
        ObjectSetText(objname,eText2[eCount],9,"Verdana",White);                      // Set object descr = second descr line
       } 
      else
       {
        ObjectCreate(objname,OBJ_ARROW,0,eTime[eCount],vertpos);                
        ObjectSet(objname,OBJPROP_ARROWCODE,eWingding[eCount]);                       // Set wingding code
        ObjectSet(objname,OBJPROP_WIDTH,SymbolSize);                                  // Set size of object
        ObjectSetText(objname,eText2[eCount]);                                        // Set object descr = second descr line
       } 
      ObjectSet(objname,OBJPROP_COLOR,White);                                         // Default color
      if (eImpact[eCount] == 1) ObjectSet(objname,OBJPROP_COLOR,Yellow);              // Low impact = yellow
      if (eImpact[eCount] == 2) ObjectSet(objname,OBJPROP_COLOR,Orange);              // Medium impact = orange
      if (eImpact[eCount] == 3) ObjectSet(objname,OBJPROP_COLOR,Red);                 // High impact = red
      if (eImpact[eCount] == 4) ObjectSet(objname,OBJPROP_COLOR,LimeGreen);           // Allow other primary colors
      if (eImpact[eCount] == 5) ObjectSet(objname,OBJPROP_COLOR,DodgerBlue);        
      if (eImpact[eCount] == 6) ObjectSet(objname,OBJPROP_COLOR,Magenta);        
      if (eImpact[eCount] == 7) ObjectSet(objname,OBJPROP_COLOR,Aqua);        
      if (eImpact[eCount] == 8) ObjectSet(objname,OBJPROP_COLOR,Goldenrod);        
      if (eImpact[eCount] == 9) ObjectSet(objname,OBJPROP_COLOR,Plum);        
      if (eImpact[eCount] == 10) ObjectSet(objname,OBJPROP_COLOR,Silver);        

   }
 
   int debug, i;
   debug=FileOpen("debug.txt", FILE_CSV|FILE_WRITE, '|');
   for( i=0; i<eCount; i++)
     FileWrite(debug,i,TimeToStr(eTime[i]),eNumber[i],eWingding[i],eImpact[i],eCurrency[i],eText1[i],eText2[i]);
   FileClose(debug);*/
//----
   return(0);
}

//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
{
//----
   int i;                                  // Delete created objects when indicator is removed
   for(i=0;i<eCount;i++)
     ObjectDelete(eText1[i]);
//----
   return(0);
}

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
{
//----

  
//----
   return(0);
}