]> git.pond.sub.org Git - eow/blobdiff - static/dojo-release-1.1.1/dojox/date/posix.js
add Dojo 1.1.1
[eow] / static / dojo-release-1.1.1 / dojox / date / posix.js
diff --git a/static/dojo-release-1.1.1/dojox/date/posix.js b/static/dojo-release-1.1.1/dojox/date/posix.js
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+if(!dojo._hasResource["dojox.date.posix"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.date.posix"] = true;
+dojo.provide("dojox.date.posix");
+
+dojo.require("dojo.date");
+dojo.require("dojo.date.locale");
+dojo.require("dojo.string");
+
+dojox.date.posix.strftime = function(/*Date*/dateObject, /*String*/format, /*String?*/locale){
+//
+// summary:
+//             Formats the date object using the specifications of the POSIX strftime function
+//
+// description:
+//             see http://www.opengroup.org/onlinepubs/007908799/xsh/strftime.html
+
+       // zero pad
+       var padChar = null;
+       var _ = function(s, n){
+               return dojo.string.pad(s, n || 2, padChar || "0");
+       };
+
+       var bundle = dojo.date.locale._getGregorianBundle(locale);
+
+       var $ = function(property){
+               switch(property){
+                       case "a": // abbreviated weekday name according to the current locale
+                               return dojo.date.locale.getNames('days', 'abbr', 'format', locale)[dateObject.getDay()];
+
+                       case "A": // full weekday name according to the current locale
+                               return dojo.date.locale.getNames('days', 'wide', 'format', locale)[dateObject.getDay()];
+
+                       case "b":
+                       case "h": // abbreviated month name according to the current locale
+                               return dojo.date.locale.getNames('months', 'abbr', 'format', locale)[dateObject.getMonth()];
+                               
+                       case "B": // full month name according to the current locale
+                               return dojo.date.locale.getNames('months', 'wide', 'format', locale)[dateObject.getMonth()];
+                               
+                       case "c": // preferred date and time representation for the current
+                                     // locale
+                               return dojo.date.locale.format(dateObject, {formatLength: 'full', locale: locale});
+
+                       case "C": // century number (the year divided by 100 and truncated
+                                     // to an integer, range 00 to 99)
+                               return _(Math.floor(dateObject.getFullYear()/100));
+                               
+                       case "d": // day of the month as a decimal number (range 01 to 31)
+                               return _(dateObject.getDate());
+                               
+                       case "D": // same as %m/%d/%y
+                               return $("m") + "/" + $("d") + "/" + $("y");
+                                       
+                       case "e": // day of the month as a decimal number, a single digit is
+                                     // preceded by a space (range ' 1' to '31')
+                               if(padChar == null){ padChar = " "; }
+                               return _(dateObject.getDate());
+                       
+                       case "f": // month as a decimal number, a single digit is
+                                                       // preceded by a space (range ' 1' to '12')
+                               if(padChar == null){ padChar = " "; }
+                               return _(dateObject.getMonth()+1);                              
+                       
+                       case "g": // like %G, but without the century.
+                               break;
+                       
+                       case "G": // The 4-digit year corresponding to the ISO week number
+                                     // (see %V).  This has the same format and value as %Y,
+                                     // except that if the ISO week number belongs to the
+                                     // previous or next year, that year is used instead.
+                               dojo.unimplemented("unimplemented modifier 'G'");
+                               break;
+                       
+                       case "F": // same as %Y-%m-%d
+                               return $("Y") + "-" + $("m") + "-" + $("d");
+                               
+                       case "H": // hour as a decimal number using a 24-hour clock (range
+                                     // 00 to 23)
+                               return _(dateObject.getHours());
+                               
+                       case "I": // hour as a decimal number using a 12-hour clock (range
+                                     // 01 to 12)
+                               return _(dateObject.getHours() % 12 || 12);
+
+                       case "j": // day of the year as a decimal number (range 001 to 366)
+                               return _(dojo.date.locale._getDayOfYear(dateObject), 3);
+
+                       case "k": // Hour as a decimal number using a 24-hour clock (range
+                                         // 0 to 23 (space-padded))
+                               if(padChar == null){ padChar = " "; }
+                               return _(dateObject.getHours());
+
+                       case "l": // Hour as a decimal number using a 12-hour clock (range
+                                         // 1 to 12 (space-padded))
+                               if(padChar == null){ padChar = " "; }
+                               return _(dateObject.getHours() % 12 || 12);
+
+                       case "m": // month as a decimal number (range 01 to 12)
+                               return _(dateObject.getMonth() + 1);
+
+                       case "M": // minute as a decimal number
+                               return _(dateObject.getMinutes());
+
+                       case "n":
+                               return "\n";
+
+                       case "p": // either `am' or `pm' according to the given time value,
+                                     // or the corresponding strings for the current locale
+                               return bundle[dateObject.getHours() < 12 ? "am" : "pm"];
+                               
+                       case "r": // time in a.m. and p.m. notation
+                               return $("I") + ":" + $("M") + ":" + $("S") + " " + $("p");
+                               
+                       case "R": // time in 24 hour notation
+                               return $("H") + ":" + $("M");
+                               
+                       case "S": // second as a decimal number
+                               return _(dateObject.getSeconds());
+
+                       case "t":
+                               return "\t";
+
+                       case "T": // current time, equal to %H:%M:%S
+                               return $("H") + ":" + $("M") + ":" + $("S");
+                               
+                       case "u": // weekday as a decimal number [1,7], with 1 representing
+                                     // Monday
+                               return String(dateObject.getDay() || 7);
+                               
+                       case "U": // week number of the current year as a decimal number,
+                                     // starting with the first Sunday as the first day of the
+                                     // first week
+                               return _(dojo.date.locale._getWeekOfYear(dateObject));
+
+                       case "V": // week number of the year (Monday as the first day of the
+                                     // week) as a decimal number [01,53]. If the week containing
+                                     // 1 January has four or more days in the new year, then it 
+                                     // is considered week 1. Otherwise, it is the last week of 
+                                     // the previous year, and the next week is week 1.
+                               return _(dojox.date.posix.getIsoWeekOfYear(dateObject));
+                               
+                       case "W": // week number of the current year as a decimal number,
+                                     // starting with the first Monday as the first day of the
+                                     // first week
+                               return _(dojo.date.locale._getWeekOfYear(dateObject, 1));
+                               
+                       case "w": // day of the week as a decimal, Sunday being 0
+                               return String(dateObject.getDay());
+
+                       case "x": // preferred date representation for the current locale
+                                     // without the time
+                               return dojo.date.locale.format(dateObject, {selector:'date', formatLength: 'full', locale:locale});
+
+                       case "X": // preferred time representation for the current locale
+                                     // without the date
+                               return dojo.date.locale.format(dateObject, {selector:'time', formatLength: 'full', locale:locale});
+
+                       case "y": // year as a decimal number without a century (range 00 to
+                                     // 99)
+                               return _(dateObject.getFullYear()%100);
+                               
+                       case "Y": // year as a decimal number including the century
+                               return String(dateObject.getFullYear());
+                       
+                       case "z": // time zone or name or abbreviation
+                               var timezoneOffset = dateObject.getTimezoneOffset();
+                               return (timezoneOffset > 0 ? "-" : "+") + 
+                                       _(Math.floor(Math.abs(timezoneOffset)/60)) + ":" +
+                                       _(Math.abs(timezoneOffset)%60);
+
+                       case "Z": // time zone or name or abbreviation
+                               return dojo.date.getTimezoneName(dateObject);
+                       
+                       case "%":
+                               return "%";
+               }
+       };
+
+       // parse the formatting string and construct the resulting string
+       var string = "";
+       var i = 0;
+       var index = 0;
+       var switchCase = null;
+       while ((index = format.indexOf("%", i)) != -1){
+               string += format.substring(i, index++);
+               
+               // inspect modifier flag
+               switch (format.charAt(index++)) {
+                       case "_": // Pad a numeric result string with spaces.
+                               padChar = " "; break;
+                       case "-": // Do not pad a numeric result string.
+                               padChar = ""; break;
+                       case "0": // Pad a numeric result string with zeros.
+                               padChar = "0"; break;
+                       case "^": // Convert characters in result string to uppercase.
+                               switchCase = "upper"; break;
+                       case "*": // Convert characters in result string to lowercase
+                               switchCase = "lower"; break;
+                       case "#": // Swap the case of the result string.
+                               switchCase = "swap"; break;
+                       default: // no modifier flag so decrement the index
+                               padChar = null; index--; break;
+               }
+
+               // toggle case if a flag is set
+               var property = $(format.charAt(index++));
+               switch (switchCase){
+                       case "upper":
+                               property = property.toUpperCase();
+                               break;
+                       case "lower":
+                               property = property.toLowerCase();
+                               break;
+                       case "swap": // Upper to lower, and versey-vicea
+                               var compareString = property.toLowerCase();
+                               var swapString = '';
+                               var ch = '';
+                               for (var j = 0; j < property.length; j++){
+                                       ch = property.charAt(j);
+                                       swapString += (ch == compareString.charAt(j)) ?
+                                               ch.toUpperCase() : ch.toLowerCase();
+                               }
+                               property = swapString;
+                               break;
+                       default:
+                               break;
+               }
+               switchCase = null;
+               
+               string += property;
+               i = index;
+       }
+       string += format.substring(i);
+       
+       return string; // String
+};
+
+dojox.date.posix.getStartOfWeek = function(/*Date*/dateObject, /*Number*/firstDay){
+       // summary: Return a date object representing the first day of the given
+       //   date's week.
+       if(isNaN(firstDay)){
+               firstDay = dojo.cldr.supplemental.getFirstDayOfWeek ? dojo.cldr.supplemental.getFirstDayOfWeek() : 0;
+       }
+       var offset = firstDay;
+       if(dateObject.getDay() >= firstDay){
+               offset -= dateObject.getDay();
+       }else{
+               offset -= (7 - dateObject.getDay());
+       }
+       var date = new Date(dateObject);
+       date.setHours(0, 0, 0, 0);
+       return dojo.date.add(date, "day", offset); // Date
+}
+
+dojox.date.posix.setIsoWeekOfYear = function(/*Date*/dateObject, /*Number*/week){
+       // summary: Set the ISO8601 week number of the given date.
+       //   The week containing January 4th is the first week of the year.
+       // week:
+       //   can be positive or negative: -1 is the year's last week.
+       if(!week){ return dateObject; }
+       var currentWeek = dojox.date.posix.getIsoWeekOfYear(dateObject);
+       var offset = week - currentWeek;
+       if(week < 0){
+               var weeks = dojox.date.posix.getIsoWeeksInYear(dateObject);
+               offset = (weeks + week + 1) - currentWeek;
+       }
+       return dojo.date.add(dateObject, "week", offset); // Date
+}
+
+dojox.date.posix.getIsoWeekOfYear = function(/*Date*/dateObject){
+       // summary: Get the ISO8601 week number of the given date.
+       //   The week containing January 4th is the first week of the year.
+       //   See http://en.wikipedia.org/wiki/ISO_week_date
+       var weekStart = dojox.date.posix.getStartOfWeek(dateObject, 1);
+       var yearStart = new Date(dateObject.getFullYear(), 0, 4); // January 4th
+       yearStart = dojox.date.posix.getStartOfWeek(yearStart, 1);
+       var diff = weekStart.getTime() - yearStart.getTime();
+       if(diff < 0){ return dojox.date.posix.getIsoWeeksInYear(weekStart); } // Integer
+       return Math.ceil(diff / 604800000) + 1; // Integer
+}
+
+dojox.date.posix.getIsoWeeksInYear = function(/*Date*/dateObject) {
+       // summary: Determine the number of ISO8601 weeks in the year of the given 
+       //   date. Most years have 52 but some have 53.
+       //   See http://www.phys.uu.nl/~vgent/calendar/isocalendar_text3.htm    
+       function p(y) {
+               return y + Math.floor(y/4) - Math.floor(y/100) + Math.floor(y/400);
+       }
+       var y = dateObject.getFullYear();
+       return ( p(y) % 7 == 4 || p(y-1) % 7 == 3 ) ? 53 : 52;  //      Integer
+}
+
+}