//+------------------------------------------------------------------+
//|  BUTTONS                                                         |
//+------------------------------------------------------------------+
#property indicator_separate_window
#property indicator_buffers 0
#property strict
extern string  Symbols="AUDUSD;EURUSD;EURGBP;EURJPY;GBPUSD;GBPJPY;NZDUSD;USDCAD;USDCHF;USDJPY"; // List of symbols (separated by ";")
extern string  UniqueID      = "x"; // Indicator unique ID
extern int     ButtonsInARow = 20;               // Buttons in a horizontal row
extern int     Corner        = 4;      // Corner
extern int     XShift        = 20;               // Horizontal shift
extern int     YShift        = 20;               // Vertical shift
extern int     XSize         = 60;               // Width of buttons
extern int     YSize         = 15;               // Height of buttons
extern int     FSize         = 8;     // Font size
extern string  FontType      = "DroidSans" ; // Font
extern color   Bcolor=C'34,34,34';        // Button color
extern color   Dcolor=Black;        // Button border color
extern color   Tncolor=DimGray;       // Text color - normal
extern color   Sncolor= LightSteelBlue;    // Text color - selected
extern bool    Transparent= false;     // Transparent buttons?

//+------------------------------------------------------------------+

string aSymbols[];
string currentSymbol, objNameR, objNameTL;
//+------------------------------------------------------------------+
int OnInit()
{
   IndicatorShortName(UniqueID);

   Symbols=StringTrimLeft(StringTrimRight(Symbols));
   if(StringSubstr(Symbols,StringLen(Symbols)-1,1)!=";")
      Symbols=StringConcatenate(Symbols,";");

   int s=0,i=StringFind(Symbols,";",s);
   string current;
   while(i>0) {
      current=StringSubstr(Symbols,s,i-s);
      ArrayResize(aSymbols,ArraySize(aSymbols)+1);
      aSymbols[ArraySize(aSymbols)-1]=current;
      s = i + 1;
      i = StringFind(Symbols,";",s);
   }

   int xpos=0,ypos=0,maxx=0,maxy=0;
   for(i=0; i<ArraySize(aSymbols); i++) {
      if(i>0 && MathMod(i,ButtonsInARow)==0) {
         xpos=0;
         ypos+=YSize+1;
      }
      createButton(UniqueID+":symbol:"+string(i),aSymbols[i],XShift+xpos,YShift+ypos);
      xpos+=XSize+1;
   }
   xpos=0;
   ypos+=YSize*2;
   for(i=0; i<ArraySize(sTfTable); i++) {
      if(i>0 && MathMod(i,ButtonsInARow)==0) {
         xpos=0;
         ypos+=YSize+1;
      }
      createButton(UniqueID+":time:"+string(i),sTfTable[i],XShift+xpos,YShift+ypos);
      xpos+=XSize+1;
   }

   //
   //
   //
   //
   //


   setSymbolButtonColor();
   setTimeFrameButtonColor();
   return(0);
}
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{

   if(IsPresentObjects("_"))
      ObjectsDeleteAll(0);

   switch(reason) {
   case REASON_CHARTCHANGE :
   case REASON_RECOMPILE   :
   case REASON_CLOSE       :
      break;
   default : {
      string lookFor       = UniqueID+":";
      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 createButton(string name,string caption,int xpos,int ypos)
{
   int window = WindowFind(UniqueID);
   ObjectCreate(name,OBJ_BUTTON,window,0,0);
   ObjectSet(name,OBJPROP_CORNER,Corner );
   ObjectSet(name,OBJPROP_XDISTANCE,xpos);
   ObjectSet(name,OBJPROP_YDISTANCE,ypos);
   ObjectSet(name,OBJPROP_XSIZE,XSize);
   ObjectSet(name,OBJPROP_YSIZE,YSize);
   ObjectSetText(name,caption,FSize,"Arial",Tncolor);
   ObjectSet(name,OBJPROP_FONTSIZE,FSize);
   ObjectSet(name,OBJPROP_BORDER_TYPE,BORDER_FLAT);
   ObjectSet(name,OBJPROP_COLOR,Tncolor);
   ObjectSet(name,OBJPROP_BGCOLOR,Bcolor);
   ObjectSet(name,OBJPROP_BACK,Transparent);
   ObjectSet(name,OBJPROP_BORDER_COLOR,Dcolor);
   ObjectSet(name,OBJPROP_STATE,false);
   ObjectSet(name,OBJPROP_HIDDEN,true);
}
//+------------------------------------------------------------------+
void setSymbolButtonColor()
{
   string lookFor       = UniqueID+":symbol:";
   int    lookForLength = StringLen(lookFor);
   for (int i=ObjectsTotal()-1; i>=0; i--) {
      string objectName = ObjectName(i);
      if (StringSubstr(objectName,0,lookForLength) == lookFor) {
         string symbol = ObjectGetString(0,objectName,OBJPROP_TEXT);
         if (symbol != _Symbol)
            ObjectSet(objectName,OBJPROP_COLOR,Tncolor);
         else  ObjectSet(objectName,OBJPROP_COLOR,Sncolor);
      }
   }
}
//+------------------------------------------------------------------+
void setTimeFrameButtonColor()
{
   string lookFor       = UniqueID+":time:";
   int    lookForLength = StringLen(lookFor);
   for (int i=ObjectsTotal()-1; i>=0; i--) {
      string objectName = ObjectName(i);
      if (StringSubstr(objectName,0,lookForLength) == lookFor) {
         int time = stringToTimeFrame(ObjectGetString(0,objectName,OBJPROP_TEXT));
         if (time != _Period)
            ObjectSet(objectName,OBJPROP_COLOR,Tncolor);
         else  ObjectSet(objectName,OBJPROP_COLOR,Sncolor);
      }
   }
}


//+------------------------------------------------------------------+
string sTfTable[] = {"M1","M5","M15","M30","H1","H4","D1","W1","MN"};
int    iTfTable[] = {1,5,15,30,60,240,1440,10080,43200};
//+------------------------------------------------------------------+
string timeFrameToString(int tf)
{
   for (int i=ArraySize(iTfTable)-1; i>=0; i--)
      if (tf==iTfTable[i]) return(sTfTable[i]);
   return("");
}
//+------------------------------------------------------------------+
int stringToTimeFrame(string tf)
{
   for (int i=ArraySize(sTfTable)-1; i>=0; i--)
      if (tf==sTfTable[i]) return(iTfTable[i]);
   return(0);
}
//+------------------------------------------------------------------+
void OnChartEvent(const int id, const long& lparam, const double& dparam, const string& sparam)
{
   if (id==CHARTEVENT_OBJECT_CLICK && ObjectGet(sparam,OBJPROP_TYPE)==OBJ_BUTTON) {
      if (StringFind(sparam,UniqueID+":symbol:",0)==0) ChartSetSymbolPeriod(0,ObjectGetString(0,sparam,OBJPROP_TEXT),_Period);
      if (StringFind(sparam,UniqueID+":time:",0)==0) ChartSetSymbolPeriod(0,_Symbol,stringToTimeFrame(ObjectGetString(0,sparam,OBJPROP_TEXT)));
      if (StringFind(sparam,UniqueID+":back:",0)==0) ObjectSet(sparam,OBJPROP_STATE,false);
   }
}
//+------------------------------------------------------------------+
int start()
{
   string tes;
   for(int i=ObjectsTotal(0, 0)-1; i>=0; i--) {
      if(StringSubstr(ObjectName(i), 0, 6) == _Symbol) {
         tes = StringSubstr(ObjectName(i), 0, 6);
         //if(StringFind(ObjectName(i), _Symbol)>WRONG_VALUE) {
         ObjectSetInteger(0, ObjectName(i), OBJPROP_TIMEFRAMES, OBJ_ALL_PERIODS);
      }
      else {
         ObjectSetInteger(0, ObjectName(i), OBJPROP_TIMEFRAMES, OBJ_NO_PERIODS);
      }
   }

   return(0);
}
//+------------------------------------------------------------------+
//| Return the flag of a prefixed object presence                    |
//+------------------------------------------------------------------+
bool IsPresentObjects(const string object_prefix)
{
   for(int i=ObjectsTotal(0, 0)-1; i>=0; i--)
      if(StringFind(ObjectName(i), object_prefix, 6)>WRONG_VALUE)
         return true;
   return false;
}//+------------------------------------------------------------------+