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From morci...@apache.org
Subject cvs commit: jakarta-jetspeed/webapp/javascript PopupCalendar.js
Date Mon, 09 Sep 2002 18:45:38 GMT
morciuch    2002/09/09 11:45:38

  Added:       webapp/javascript PopupCalendar.js
  Log:
  Initial check in
  
  Revision  Changes    Path
  1.1                  jakarta-jetspeed/webapp/javascript/PopupCalendar.js
  
  Index: PopupCalendar.js
  ===================================================================
  // Title: Timestamp picker
  // Description: See the demo at url
  // URL: http://us.geocities.com/tspicker/
  // Script featured on: http://javascriptkit.com/script/script2/timestamp.shtml
  // Version: 1.0
  // Date: 12-05-2001 (mm-dd-yyyy)
  // Author: Denis Gritcyuk <denis@softcomplex.com>; <tspicker@yahoo.com>
  // Notes: Permission given to use this script in any kind of applications if
  //    header lines are left unchanged. Feel free to contact the author
  //    for feature requests and/or donations
  
  var arr_months = ["January", "February", "March", "April", "May", "June",
                    "July", "August", "September", "October", "November", "December"];
  
  function show_calendar(str_target, str_datetime, str_format) {
  
     var week_days = ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"];
     var n_weekstart = 1; // day week starts from (normally 0 or 1)
  
     var dt_datetime = (str_datetime == null || str_datetime =="" ?  new Date() : str2dt(str_datetime,
str_format));
     var dt_prev_month = new Date(dt_datetime);
     dt_prev_month.setMonth(dt_datetime.getMonth()-1);
     var dt_next_month = new Date(dt_datetime);
     dt_next_month.setMonth(dt_datetime.getMonth()+1);
     var dt_firstday = new Date(dt_datetime);
     dt_firstday.setDate(1);
     dt_firstday.setDate(1-(7+dt_firstday.getDay()-n_weekstart)%7);
     var dt_lastday = new Date(dt_next_month);
     dt_lastday.setDate(0);
  
     // html generation (feel free to tune it for your particular application)
     // print calendar header
     var str_buffer = new String (
                                 "<html>\n"+
                                 "<head>\n"+
                                 "	<title>Calendar</title>\n"+
                                 "</head>\n"+
                                 "<body bgcolor=\"White\">\n"+
                                 "<table class=\"clsOTable\" cellspacing=\"0\" border=\"0\"
width=\"100%\">\n"+
                                 "<tr><td bgcolor=\"#4682B4\">\n"+
                                 "<table cellspacing=\"1\" cellpadding=\"3\" border=\"0\"
width=\"100%\">\n"+
                                 "<tr>\n	<td bgcolor=\"#4682B4\"><a href=\"javascript:window.opener.show_calendar('"+
                                 str_target+"', '"+ dt2dtstr(dt_prev_month, str_format)+"',
'" + str_format +"');\">&lt;&lt;</a></td>\n"+
                                 "	<td bgcolor=\"#4682B4\" colspan=\"5\">"+
                                 "<font color=\"white\" face=\"tahoma, verdana\" size=\"2\">"
                                 +arr_months[dt_datetime.getMonth()]+" "+dt_datetime.getFullYear()+"</font></td>\n"+
                                 "	<td bgcolor=\"#4682B4\" align=\"right\"><a href=\"javascript:window.opener.show_calendar('"
                                 +str_target+"', '"+dt2dtstr(dt_next_month, str_format)+"',
'" + str_format +"');\">&gt;&gt;</a></td>\n</tr>\n"
                                 );
  
     var dt_current_day = new Date(dt_firstday);
     // print weekdays titles
     str_buffer += "<tr>\n";
     for (var n=0; n<7; n++)
        str_buffer += "	<td bgcolor=\"#87CEFA\">"+
                      "<font color=\"white\" face=\"tahoma, verdana\" size=\"2\">"+
                      week_days[(n_weekstart+n)%7]+"</font></td>\n";
     // print calendar table
     str_buffer += "</tr>\n";
     while (dt_current_day.getMonth() == dt_datetime.getMonth() ||
            dt_current_day.getMonth() == dt_firstday.getMonth()) {
        // print row heder
        str_buffer += "<tr>\n";
        for (var n_current_wday=0; n_current_wday<7; n_current_wday++) {
           if (dt_current_day.getDate() == dt_datetime.getDate() &&
               dt_current_day.getMonth() == dt_datetime.getMonth())
              // print current date
              str_buffer += "	<td bgcolor=\"#FFB6C1\" align=\"right\">";
           else if (dt_current_day.getDay() == 0 || dt_current_day.getDay() == 6)
              // weekend days
              str_buffer += "	<td bgcolor=\"#DBEAF5\" align=\"right\">";
           else
              // print working days of current month
              str_buffer += "	<td bgcolor=\"white\" align=\"right\">";
  
           if (dt_current_day.getMonth() == dt_datetime.getMonth())
              // print days of current month
              str_buffer += "<a href=\"javascript:window.opener."+str_target+
                            ".value='"+dt2dtstr(dt_current_day, str_format)+"'; window.close();\">"+
                            "<font color=\"black\" face=\"tahoma, verdana\" size=\"2\">";
           else
              // print days of other months
              str_buffer += "<a href=\"javascript:window.opener."+str_target+
                            ".value='"+dt2dtstr(dt_current_day, str_format)+"'; window.close();\">"+
                            "<font color=\"gray\" face=\"tahoma, verdana\" size=\"2\">";
           str_buffer += dt_current_day.getDate()+"</font></a></td>\n";
           dt_current_day.setDate(dt_current_day.getDate()+1);
        }
        // print row footer
        str_buffer += "</tr>\n";
     }
  
     var vWinCal = window.open("", "Calendar", 
                               "width=200,height=220,status=no,resizable=no,top=200,left=200");
     vWinCal.opener = self;
     var calc_doc = vWinCal.document;
     calc_doc.write (str_buffer);
     calc_doc.close();
  }
  
  // Creates a date from string using regular expressions
  function str2dt(str_datetime) {
     var re_date = /^(\d+)\/(\d+)\/(\d+)$/;
     if (!re_date.exec(str_datetime))
        return alert("Invalid Datetime format: "+ str_datetime);
     return(new Date (RegExp.$3, RegExp.$1-1, RegExp.$2));
  }
  
  // Creates a date from string using parsing
  function str2dt(str_datetime, format) {
  
     dateFormat=format;
  
     formatChar = " ";
     aFormat	= dateFormat.split(formatChar);
     if (aFormat.length<3)
     {
        formatChar = "/";
        aFormat	= dateFormat.split(formatChar);
        if (aFormat.length<3)
        {
           formatChar = ".";
           aFormat	= dateFormat.split(formatChar);
           if (aFormat.length<3)
           {
              formatChar = "-";
              aFormat	= dateFormat.split(formatChar);
              if (aFormat.length<3)
              {
                 // invalid date	format
                 formatChar="";
              }
           }
        }
     }
  
     tokensChanged =	0;
     if ( formatChar	!= "" );
     {
        // use user's date
        aData =	str_datetime.split(formatChar);
  
        for	(i=0;i<3;i++)
        {
           if ((aFormat[i]=="d") || (aFormat[i]=="dd"))
           {
              dateSelected = parseInt(aData[i], 10);
              tokensChanged ++;
           }
           else if	((aFormat[i]=="m") || (aFormat[i]=="mm"))
           {
              monthSelected =	parseInt(aData[i], 10) - 1;
              tokensChanged ++;
           }
           else if	(aFormat[i]=="yyyy")
           {
              yearSelected = parseInt(aData[i], 10);
              tokensChanged ++;
           }
           else if	(aFormat[i]=="mmm")
           {
              for	(j=0; j<12;	j++)
              {
                 if (aData[i]==arr_months[j].substring(0,3))
                 {
                    monthSelected=j;
                    tokensChanged ++;
                 }
              }
           }
        }
     }
  
     if ((tokensChanged!=3)||isNaN(dateSelected)||isNaN(monthSelected)||isNaN(yearSelected))
     {
        today = new Date()
        dateNow = today.getDate()
        monthNow = today.getMonth()
        yearNow = today.getFullYear();
  
        dateSelected = dateNow;
        monthSelected =	monthNow;
        yearSelected = yearNow;
  
        alert("Current date [" + str_datetime + "] cannot be parsed according to specified
format [" + format + "]. Using current date instead");
     }
  
     return (new Date(yearSelected, monthSelected, dateSelected));
  }
  
  // datetime to date string routine
  function dt2dtstrX(dt_datetime, format) {
     return(new String (
                       (dt_datetime.getMonth()+1)+"/"+dt_datetime.getDate()+"/"+dt_datetime.getFullYear()));
  }
  
  /**
   * Routine to format a datetime into string based on the format pattern specified.
   * <P>
   * The date format can have three types of separators: hyphen(-), space( ), or slash(/),
but must be consistent in their usage. E.g. 
   * d/m/yyyy
   * The acceptable tokens are :
   * <UL>
   * <LI>d - day
   * <LI>dd - day (padded with 0 if less than 10)
   * <LI>m - month (in numbers)
   * <LI>mm - month (in numbers, padded with 0 if less than 10)
   * <LI>mmm - month (in words)
   * <li>yyyy - year 
   * </UL>
   * 
   * @param datetime
   * @param format
   */
  function dt2dtstr(dt_datetime, dateFormat) {
  
     d = dt_datetime.getDate();
     m = dt_datetime.getMonth();
     y = dt_datetime.getFullYear();
  
     sTmp = dateFormat;
     sTmp = sTmp.replace  ("dd","<e>");
     sTmp = sTmp.replace  ("d","<d>");
     sTmp = sTmp.replace  ("<e>",padZero(d));
     sTmp = sTmp.replace  ("<d>",d);
     sTmp = sTmp.replace  ("mmm","<o>");
     sTmp = sTmp.replace  ("mm","<n>");
     sTmp = sTmp.replace  ("m","<m>");
     sTmp = sTmp.replace  ("<m>",m+1);
     sTmp = sTmp.replace  ("<n>",padZero(m+1));
     sTmp = sTmp.replace  ("<o>",arr_months[m].substring(0,3));
  
     return sTmp.replace ("yyyy",y);
  }
  
  // pad with zeros
  function padZero(num) {
     return (num	< 10)? '0' + num : num ;
  }
  
  
  
  

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