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massimogentilini

Joined: 17 Jul 2006
Posts: 7

Posted: Wed Sep 27, 2006 8:06 am Post subject: Problem with JavaScript encoding

We've developed a dynamic localize calendar aspx page to automatically localize calendar

Code:

private void Page_Load(object sender, System.EventArgs e)
   {
      // Localize calendar funcions
      // This dynamically generated javascript file contains all the information about the
      // culture for the calendar
      Response.Clear();
      Response.ContentType = "application/x-javascript";
      // Response.Charset = "";
      //Response.Charset = "utf-8";
      //Response.ContentEncoding = System.Text.Encoding.UTF8;

      CultureInfo ci = LoggedUserManager.CurrentUser.Culture;
      StringBuilder sb = new StringBuilder();


      // var giDatePos=0; // date format sequence 0: D-M-Y ; 1: M-D-Y; 2: Y-M-D
      // Need to find the proper date format for the culture

      sb.Append(System.Environment.NewLine);
      DateTimeFormatInfo cf = ci.DateTimeFormat;
      string calDateFormat = " giDatePos=0;"; // Fallback in case of strange situations
      if(cf.ShortDatePattern.ToUpper().StartsWith("Y"))
         calDateFormat = " giDatePos=2;";
      if(cf.ShortDatePattern.ToUpper().StartsWith("M"))
         calDateFormat = " giDatePos=1;";
      sb.Append(calDateFormat);

      // Oversimplification: split according to date separator and use always the middle field
      // to check for month lenght and padding. Checked ONLY with English, Slovak, Czech, Svedish, Russian, Polish and Italian
      string[] dateTest = cf.ShortDatePattern.Split(ci.DateTimeFormat.DateSeparator.ToCharArray());
      if(dateTest[1].Trim().Length == 1) // Manage cultures with non 0 padding like slovak
         sb.Append("gbPadZero=false;");

      if(dateTest[1].StartsWith(" "))
         sb.Append(" gsSplit=\"" + ci.DateTimeFormat.DateSeparator + " \";");
      else
      //var gsSplit="/"; // separator of date string. If set it to empty string, then giMonthMode and gbPadZero will be fixed to 0 and true.
         sb.Append(" gsSplit=\"" + ci.DateTimeFormat.DateSeparator + "\";");


      //var gMonths=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];
      sb.Append(System.Environment.NewLine)
         .Append(" gMonths=[");
      for(int i=0; i<ci.DateTimeFormat.AbbreviatedMonthNames.Length-1; i++)
         sb.Append("\"" + ci.DateTimeFormat.AbbreviatedMonthNames[i].ToString() + "\",");
      sb.Remove(sb.Length-1,1); // remove last comma
      sb.Append("];");


      //var gWeekDay=["Su","Mo","Tu","We","Th","Fr","Sa"]; // weekday caption from Sunday to Saturday
      sb.Append(System.Environment.NewLine)
         .Append(" gWeekDay=[");
      for(int i=0; i<ci.DateTimeFormat.AbbreviatedDayNames.Length; i++)
      if(ci.DateTimeFormat.AbbreviatedDayNames[i].ToString().Length > 2) // Manage situation for days with a single letter name (sunday in polish)
         sb.Append("\"" + ci.DateTimeFormat.AbbreviatedDayNames[i].ToString().Substring(0,2) + "\",");
      else
         sb.Append("\"" + ci.DateTimeFormat.AbbreviatedDayNames[i].ToString() + "\",");
      sb.Remove(sb.Length-1,1); // remove last comma
      sb.Append("];");

      // Generic functions, needed to properly align and define the calendar localization
      sb.Append(System.Environment.NewLine)
         .Append(" giFirstDOW=1;")
         .Append(System.Environment.NewLine)
         .Append(" giSat=(6-giFirstDOW)%7;")
         .Append(System.Environment.NewLine)
         .Append(" giSun=(7-giFirstDOW)%7;")
         .Append(System.Environment.NewLine)
         .Append(" gsOutOfRange=\"Invalid date!\";") // TODO, localize in multilanguage file as usual
         .Append(System.Environment.NewLine);

      sb.Append(System.Environment.NewLine);
      byte[] buf = System.Text.Encoding.UTF8.GetBytes(sb.ToString());
      Response.AddHeader("Content-Length", buf.Length.ToString());
         Response.OutputStream.Write(buf, 0, buf.Length);

   }

and reference it using this

Code:

Problem is that for the Czech culture it do not correctly show the day names, probably for some problem in the UTF encoding or character escaping.

We believe it's some problem related to IE6 and specific to this browser, because the same code works perfectly with IE7, Opera and Firefox.

Do you have any suggestion about how to set the encoding for JavaScript dynamically generated pages?

BTW: if someone uses this code and maybe improves it please let me know!

Ciao
Massimo

massimogentilini

Joined: 17 Jul 2006
Posts: 7

Posted: Wed Sep 27, 2006 9:16 am Post subject:

Sorry, already solved. You need to pass utf-8 as the fifth parameter in the iframe part: gToday:normal:agenda.js:gfPop:LocalizeCalendar.aspx:utf-8 Ciao Massimo[/b]

calendarxp
Site Admin

Joined: 30 Jan 2005
Posts: 409

Posted: Wed Sep 27, 2006 12:36 pm Post subject:

Yes, that's the correct solution that we were about to suggest. Good to know you found it sooner. :) _________________ Copyright 2003-2011 Idemfactor Solutions, Inc. All rights reserved.

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