- Author:
- David Nickerson <nickerso@users.sourceforge.net>
- Date:
- 2009-07-16 02:00:03+12:00
- Desc:
- the starting point for the HH tutorial example
- Permanent Source URI:
- https://models.fieldml.org/workspace/a1/rawfile/f6a8f90307388eb4b040ee3566b84d88b59247f7/dojo-presentation/js/dojo/dojox/date/HebrewDate.js
dojo.provide("dojox.date.HebrewDate");
dojo.experimental("dojox.date.HebrewDate");
dojo.require("dojo.date.locale");
dojo.requireLocalization("dojo.cldr", "hebrew");
dojo.declare("dojox.date.HebrewDate", null, {
// summary: The component defines the Hebrew Calendar Object
//
// description:
// This module is similar to the Date() object provided by JavaScript
//
// example:
// | dojo.require("dojox.date.HebrewDate");
// |
// | var date = new dojox.date.HebrewDate();
// | document.writeln(date.getFullYear()+'\'+date.getMonth()+'\'+date.getDate());
TISHRI: 0,
HESHVAN: 1,
KISLEV: 2,
TEVET: 3,
SHEVAT: 4,
ADAR_1: 5,
ADAR: 6,
NISAN: 7,
IYAR: 8,
SIVAN: 9,
TAMUZ: 10,
AV: 11,
ELUL: 12,
// Hebrew date calculations are performed in terms of days, hours, and
// "parts" (or halakim), which are 1/1080 of an hour, or 3 1/3 seconds.
_HOUR_PARTS: 1080,
_DAY_PARTS: 24*1080,
// An approximate value for the length of a lunar month.
// It is used to calculate the approximate year and month of a given
// absolute date.
_MONTH_DAYS: 29,
_MONTH_FRACT: 12*1080 + 793,
_MONTH_PARTS: 29*24*1080 + 12*1080 + 793,
// The time of the new moon (in parts) on 1 Tishri, year 1 (the epoch)
// counting from noon on the day before. BAHARAD is an abbreviation of
// Bet (Monday), Hey (5 hours from sunset), Resh-Daled (204).
BAHARAD: 11*1080 + 204,
// The Julian day of the Gregorian epoch, that is, January 1, 1 on the
// Gregorian calendar.
JAN_1_1_JULIAN_DAY: 1721426,
/**
* The lengths of the Hebrew months. This is complicated, because there
* are three different types of years, or six if you count leap years.
* Due to the rules for postponing the start of the year to avoid having
* certain holidays fall on the sabbath, the year can end up being three
* different lengths, called "deficient", "normal", and "complete".
*/
_MONTH_LENGTH: [
// Deficient Normal Complete
[ 30, 30, 30 ], //Tishri
[ 29, 29, 30 ], //Heshvan
[ 29, 30, 30 ], //Kislev
[ 29, 29, 29 ], //Tevet
[ 30, 30, 30 ], //Shevat
[ 30, 30, 30 ], //Adar I (leap years only)
[ 29, 29, 29 ], //Adar
[ 30, 30, 30 ], //Nisan
[ 29, 29, 29 ], //Iyar
[ 30, 30, 30 ], //Sivan
[ 29, 29, 29 ], //Tammuz
[ 30, 30, 30 ], //Av
[ 29, 29, 29 ] //Elul
],
/**
* The cumulative # of days to the end of each month in a non-leap year
* Although this can be calculated from the MONTH_LENGTH table,
* keeping it around separately makes some calculations a lot faster
*/
_MONTH_START: [
// Deficient Normal Complete
[ 0, 0, 0 ], // (placeholder)
[ 30, 30, 30 ], // Tishri
[ 59, 59, 60 ], // Heshvan
[ 88, 89, 90 ], // Kislev
[ 117, 118, 119 ], // Tevet
[ 147, 148, 149 ], // Shevat
[ 147, 148, 149 ], // (Adar I placeholder)
[ 176, 177, 178 ], // Adar
[ 206, 207, 208 ], // Nisan
[ 235, 236, 237 ], // Iyar
[ 265, 266, 267 ], // Sivan
[ 294, 295, 296 ], // Tammuz
[ 324, 325, 326 ], // Av
[ 353, 354, 355 ] // Elul
],
/**
* The cumulative # of days to the end of each month in a leap year
*/
LEAP_MONTH_START: [
// Deficient Normal Complete
[ 0, 0, 0 ], // (placeholder)
[ 30, 30, 30 ], // Tishri
[ 59, 59, 60 ], // Heshvan
[ 88, 89, 90 ], // Kislev
[ 117, 118, 119 ], // Tevet
[ 147, 148, 149 ], // Shevat
[ 177, 178, 179 ], // Adar I
[ 206, 207, 208 ], // Adar II
[ 236, 237, 238 ], // Nisan
[ 265, 266, 267 ], // Iyar
[ 295, 296, 297 ], // Sivan
[ 324, 325, 326 ], // Tammuz
[ 354, 355, 356 ], // Av
[ 383, 384, 385 ] // Elul
],
GREGORIAN_MONTH_COUNT: [
//len len2 st st2
[ 31, 31, 0, 0 ], // Jan
[ 28, 29, 31, 31 ], // Feb
[ 31, 31, 59, 60 ], // Mar
[ 30, 30, 90, 91 ], // Apr
[ 31, 31, 120, 121 ], // May
[ 30, 30, 151, 152 ], // Jun
[ 31, 31, 181, 182 ], // Jul
[ 31, 31, 212, 213 ], // Aug
[ 30, 30, 243, 244 ], // Sep
[ 31, 31, 273, 274 ], // Oct
[ 30, 30, 304, 305 ], // Nov
[ 31, 31, 334, 335 ] // Dec
// len length of month
// len2 length of month in a leap year
// st days in year before start of month
// st2 days in year before month in leap year
],
_date: 0,
_month: 0,
_year: 0,
_hours: 0,
_minutes: 0,
_seconds: 0,
_milliseconds: 0,
_day: 0,
constructor: function(){
// summary: This is the constructor
// description:
// This fucntion initialize the date object values
//
// example:
// | var date1 = new dojox.date.HebrewDate();
// |
// | var date2 = new dojox.date.HebrewDate("12\2\5768");
// |
// | var date3 = new dojox.date.HebrewDate(date2);
// |
// | var date4 = new dojox.date.HebrewDate(5768,2,12);
var arg_no = arguments.length;
if(arg_no==0){// use the current date value
var date = new Date();
var result = this._computeHebrewFields(date);
this._date = result[2];
this._month = result[1];
this._year = result[0];
this._hours = date.getHours();
this._minutes = date.getMinutes();
this._seconds = date.getSeconds();
this._milliseconds = date.getMilliseconds();
this._day = date.getDay();
}else if(arg_no ==1){
//date string or Hebrew date object passed
this.parse(arguments[0]);
}else if(arg_no >=3){
// YYYY MM DD arguments passed
this._date = parseInt(arguments[2]);
this._month = parseInt(arguments[1]);
this._year = parseInt(arguments[0]);
this._hours = (arguments[3]!=null )? parseInt(arguments[3]):0;
this._minutes = (arguments[4]!=null )? parseInt(arguments[4]):0;
this._seconds = (arguments[5]!=null )? parseInt(arguments[5]):0;
this._milliseconds = (arguments[6]!=null )? parseInt(arguments[6]):0;
}
var day = this._startOfYear(this._year);
if(this._month != 0){
if(this._isLeapYear(this._year)){
day += this.LEAP_MONTH_START[this._month][this._yearType(this._year)];
}else{
day += this._MONTH_START[this._month][this._yearType(this._year)];
}
}
day += (this._date - 1);
this._day = ((day+1) % 7);
},
getDate: function(){
// summary: This function returns the date value (1 - 30)
//
// example:
// | var date1 = new dojox.date.HebrewDate();
// |
// | document.writeln(date1.getDate);
return parseInt(this._date);
},
getMonth: function(){
// summary: This function return the month value ( 0 - 11 )
//
// example:
// | var date1 = new dojox.date.HebrewDate();
// |
// | document.writeln(date1.getMonth()+1);
return parseInt(this._month);
},
getFullYear: function(){
// summary: This function return the Year value
//
// example:
// | var date1 = new dojox.date.HebrewDate();
// |
// | document.writeln(date1.getFullYear());
return parseInt(this._year);
},
getHours: function(){
//summary: returns the Hour value
return this._hours;
},
getMinutes: function(){
//summary: returns the Minuites value
return this._minutes;
},
getSeconds: function(){
//summary: returns the seconde value
return this._seconds;
},
getMilliseconds: function(){
//summary: returns the Milliseconds value
return this._milliseconds;
},
setDate: function(/*number*/date){
// summary: This function sets the Date
// example:
// | var date1 = new dojox.date.HebrewDate();
// | date1.setDate(2);
date = parseInt(date);
var mdays;
if(date>0){
for(mdays = this.getDaysInHebrewMonth(this._month, this._year);
date > mdays;
date -= mdays,mdays = this.getDaysInHebrewMonth(this._month, this._year)){
this._month ++;
if(!this._isLeapYear(this._year)&&(this._month==5)) this._month ++;
if(this._month >= 13){this._year++; this._month -= 13;}
}
this._date = date;
}else{
for(mdays = this.getDaysInHebrewMonth((this._month-1)>=0 ? (this._month-1) : 12 ,((this._month-1)>=0)? this._year : this._year-1);
date<=0;
mdays = this.getDaysInHebrewMonth((this._month-1)>=0 ? (this._month-1) : 12,((this._month-1)>=0)? this._year : this._year-1) ){
this._month --;
if(!this._isLeapYear(this._year) && this._month == 5){ this._month--; }
if(this._month < 0){this._year--; this._month += 13;}
date+=mdays;
}
this._date = date;
}
var day = this._startOfYear(this._year);
if(this._month != 0){
if(this._isLeapYear(this._year)){
day += this.LEAP_MONTH_START[this._month][this._yearType(this._year)];
}else{
day += this._MONTH_START[this._month][this._yearType(this._year)];
}
}
day += (this._date - 1);
this._day = ((day+1) % 7);
return this;
},
setYear: function(/*number*/year){
// summary: This function set Year
//
// example:
// | var date1 = new dojox.date.HebrewDate();
// | date1.setYear(5768);
this._year = parseInt(year);
if(!this._isLeapYear(this._year) && this._month==5){ this._month++; }
var day = this._startOfYear(this._year);
if(this._month != 0){
if(this._isLeapYear(this._year)){
day += this.LEAP_MONTH_START[this._month][this._yearType(this._year)];
}else{
day += this._MONTH_START[this._month][this._yearType(this._year)];
}
}
day += (this._date - 1);
this._day = ((day+1) % 7);
return this;
},
setMonth: function(/*number*/month){
// summary: This function set Month
//
// example:
// | var date1 = new dojox.date.HebrewDate();
// | date1.setMonth(2);
month = parseInt(month);
if(month>=0){
this._year += Math.floor(month / 13);
this._month = Math.floor(month % 13);
}else{
this._year += Math.floor(month/13);
this._month = 13 - Math.floor(-1*month % 13);
}
if(!this._isLeapYear(this._year)&&(this._month==5)){ this._month++; }
var day = this._startOfYear(this._year);
if(this._month != 0){
if(this._isLeapYear(this._year)){
day += this.LEAP_MONTH_START[this._month][this._yearType(this._year)];
}else{
day += this._MONTH_START[this._month][this._yearType(this._year)];
}
}
day += (this._date - 1);
this._day = ((day+1) % 7);
return this;
},
setHours: function(){
//summary: set the Hours
var hours_arg_no = arguments.length;
var hours = 0;
if(hours_arg_no >= 1){
hours = parseInt(arguments[0]);
}
if(hours_arg_no >= 2){
this._minutes = parseInt(arguments[1]);
}
if(hours_arg_no >= 3){
this._seconds = parseInt(arguments[2]);
}
if(hours_arg_no == 4){
this._milliseconds = parseInt(arguments[3]);
}
while(hours >= 24){
this._date++;
var mdays = this.getDaysInHebrewMonth(this._month, this._year);
if(this._date > mdays)
{
this._month++;
if(!this._isLeapYear(this._year)&&(this._month==5)){ this._month++; }
if(this._month >= 13){this._year++; this._month -= 13;}
this._date -= mdays;
}
hours -= 24;
}
this._hours = hours;
var day = this._startOfYear(this._year);
if(this._month != 0){
if(this._isLeapYear(this._year)){
day += this.LEAP_MONTH_START[this._month][this._yearType(this._year)];
}else{
day += this._MONTH_START[this._month][this._yearType(this._year)];
}
}
day += (this._date - 1);
this._day = ((day+1) % 7);
return this;
},
setMinutes: function(/*number*/minutes){
//summary: set the Minutes
while(minutes >= 60){
this._hours++;
if(this._hours >= 24){
this._date++;
this._hours -= 24;
var mdays = this.getDaysInHebrewMonth(this._month, this._year);
if(this._date > mdays){
this._month ++;
if(!this._isLeapYear(this._year)&&(this._month==5)){ this._month++; }
if(this._month >= 13){this._year++; this._month -= 13;}
this._date -= mdays;
}
}
minutes -= 60;
}
this._minutes = minutes;
var day = this._startOfYear(this._year);
if(this._month != 0){
if(this._isLeapYear(this._year)){
day += this.LEAP_MONTH_START[this._month][this._yearType(this._year)];
}else{
day += this._MONTH_START[this._month][this._yearType(this._year)];
}
}
day += (this._date - 1);
this._day = ((day+1) % 7);
return this;
},
setSeconds: function(/*number*/seconds){
while(seconds >= 60){
this._minutes++;
if(this._minutes >= 60){
this._hours++;
this._minutes -= 60;
if(this._hours >= 24){
this._date++;
this._hours -= 24;
var mdays = this.getDaysInHebrewMonth(this._month, this._year);
if(this._date > mdays){
this._month++;
if(!this._isLeapYear(this._year)&&(this._month==5)){ this._month++; }
if(this._month >= 13){this._year++; this._month -= 13;}
this._date -= mdays;
}
}
}
seconds -= 60;
}
this._seconds = seconds;
var day = this._startOfYear(this._year);
if(this._month != 0){
if(this._isLeapYear(this._year)){
day += this.LEAP_MONTH_START[this._month][this._yearType(this._year)];
}else{
day += this._MONTH_START[this._month][this._yearType(this._year)];
}
}
day += (this._date - 1);
this._day = ((day+1) % 7);
return this;
},
setMilliseconds: function(/*number*/milliseconds){
while(milliseconds >= 1000){
this.setSeconds++;
if(this.setSeconds >= 60){
this._minutes++;
this._seconds -= 60;
if(this._minutes >= 60){
this._hours++;
this._minutes -= 60;
if(this._hours >= 24){
this._date++;
this._hours -= 24;
var mdays = this.getDaysInHebrewMonth(this._month, this._year);
if(this._date > mdays)
{
this._month ++;
if(!this._isLeapYear(this._year)&&(this._month==5)) this._month ++;
if(this._month >= 13){this._year++; this._month -= 13;}
this._date -= mdays;
}
}
}
}
milliseconds -= 1000;
}
this._milliseconds = milliseconds;
var day = this._startOfYear(this._year);
if(this._month != 0){
if(this._isLeapYear(this._year)){
day += this.LEAP_MONTH_START[this._month][this._yearType(this._year)];
}else{
day += this._MONTH_START[this._month][this._yearType(this._year)];
}
}
day += (this._date - 1);
this._day = ((day+1) % 7);
return this;
},
toString: function(){
// summary: This returns a string representation of the date in "DDDD MMMM DD YYYY HH:MM:SS" format
// example:
// | var date1 = new dojox.date.HebrewDate();
// | document.writeln(date1.toString());
//FIXME: TZ/DST issues?
var x = new Date();
x.setHours(this._hours);
x.setMinutes(this._minutes);
x.setSeconds(this._seconds);
x.setMilliseconds(this._milliseconds);
var timeString = x.toTimeString();
return dojox.date.HebrewDate.weekDays[this._day] +" "+dojox.date.HebrewDate.months[this._month]+" "+ this._date + " " + this._year+" "+timeString;
},
//TODO i18n: factor out and use CLDR patterns?
parse: function(/*String*/dateObject){
// summary: This function parse the date string
//
// example:
// | var dateIslamic = new dojox.date.IslamicDate();
// | dateIslamic.parse("Heshvan 2 5768");
var sDate = dateObject.toString();
var template = /\d{1,2}\D\d{1,2}\D\d{4}/;
var mD = sDate.match(template);
if(mD!=null)
{
mD = mD.toString();
var sD = mD.split(/\D/);
this._month = sD[0]-1;
this._date = sD[1];
this._year = sD[2];
}else{
mD = sDate.match(/\D{3}\s\D{2,}\s\d{1,2}\s\d{4}/);
if(mD!=null)
{
mD = mD.toString();
var dayYear = mD.match(/\d{1,2}\s\d{4}/);
dayYear = dayYear.toString();
var mName = mD.replace(/\s\d{1,2}\s\d{4}/,'');
mName = mName.toString();
//FIXME: redeclaration of mName
var mName = mName.replace(/\D{3}\s/,'');
mName = mName.toString();
this._month = dojo.indexOf(dojox.date.HebrewDate.months, mName);
var sD = dayYear.split(/\s/);
this._date = sD[0];
this._year = sD[1];
var day = this._startOfYear(this._year);
if(this._month != 0){ //FIXME -1?
if(this._isLeapYear(this._year)){
day += this.LEAP_MONTH_START[this._month][this._yearType(this._year)];
}else{
day += this._MONTH_START[this._month][this._yearType(this._year)];
}
}
day += (this._date - 1);
this._day = ((day+1) % 7);
}else{
mD = sDate.match(/\D{2,}\s\d{1,2}\s\d{4}/);
if(mD!=null){
mD = mD.toString();
var dayYear = mD.match(/\d{1,2}\s\d{4}/);
dayYear = dayYear.toString();
var mName = mD.replace(/\s\d{1,2}\s\d{4}/,'');
mName = mName.toString();
this._month = dojo.indexOf(dojox.date.HebrewDate.months, mName);
var sD = dayYear.split(/\s/);
this._date = sD[0];
this._year = sD[1];
var day = this._startOfYear(this._year);
if(this._month != 0){ //FIXME -1?
if(this._isLeapYear(this._year)){
day += this.LEAP_MONTH_START[this._month][this._yearType(this._year)];
}else{
day += this._MONTH_START[this._month][this._yearType(this._year)];
}
}
day += (this._date - 1);
this._day = ((day+1) % 7);
}
}
}
var sTime = sDate.match(/\d{2}:/);
if(sTime!=null){
sTime = sTime.toString();
var tArr= sTime.split(':');
this._hours = tArr[0];
sTime = sDate.match(/\d{2}:\d{2}/);
if(sTime){
sTime = sTime.toString();
tArr = sTime.split(':');
}
this._minutes = tArr[1] != null ? tArr[1]:0;
sTime = sDate.match(/\d{2}:\d{2}:\d{2}/);
if(sTime){
sTime = sTime.toString();
tArr = sTime.split(':');
}
this._seconds = tArr[2]!=null?tArr[2]:0;
}else{
this._hours = 0;
this._minutes = 0;
this._seconds = 0;
}
this._milliseconds = 0;
},
valueOf: function(){
return this.toGregorian().valueOf();
},
// ported from the Java class com.ibm.icu.util.HebrewCalendar from ICU4J v3.6.1 at http://www.icu-project.org/
getDaysInHebrewMonth: function(/*number*/month, /*number*/ year){
// summary: returns the number of days in the month used
switch(month){
case this.HESHVAN:
case this.KISLEV:
// These two month lengths can vary
return this._MONTH_LENGTH[month][this._yearType(year)];
default:
// The rest are a fixed length
return this._MONTH_LENGTH[month][0];
}
},
// ported from the Java class com.ibm.icu.util.HebrewCalendar from ICU4J v3.6.1 at http://www.icu-project.org/
_yearType: function(/*number*/year){
var yearLength = this._handleGetYearLength(Number(year));
if(yearLength > 380){
yearLength -= 30; // Subtract length of leap month.
}
switch(yearLength){
case 353:
return 0;
case 354:
return 1;
case 355:
return 2;
}
throw new Error("Illegal year length " + yearLength + " in year " + year);
},
// ported from the Java class com.ibm.icu.util.HebrewCalendar from ICU4J v3.6.1 at http://www.icu-project.org/
_handleGetYearLength: function(/*number*/eyear){
return this._startOfYear(eyear+1) - this._startOfYear(eyear);
},
// ported from the Java class com.ibm.icu.util.HebrewCalendar from ICU4J v3.6.1 at http://www.icu-project.org/
_startOfYear: function(/*number*/year){
var months = Math.floor((235 * year - 234) / 19); // # of months before year
var frac = months * this._MONTH_FRACT + this.BAHARAD; // Fractional part of day #
var day = months * 29 + Math.floor(frac / this._DAY_PARTS); // Whole # part of calculation
frac = frac % this._DAY_PARTS; // Time of day
var wd = day % 7; // Day of week (0 == Monday)
if(wd == 2 || wd == 4 || wd == 6){
// If the 1st is on Sun, Wed, or Fri, postpone to the next day
day += 1;
wd = day % 7;
}
if(wd == 1 && frac > 15*this.HOUR_PARTS+204 && !this._isLeapYear(year) ){
// If the new moon falls after 3:11:20am (15h204p from the previous noon)
// on a Tuesday and it is not a leap year, postpone by 2 days.
// This prevents 356-day years.
day += 2;
}
else if(wd == 0 && frac > 21*this.HOUR_PARTS+589 && this._isLeapYear(year-1) ){
// If the new moon falls after 9:32:43 1/3am (21h589p from yesterday noon)
// on a Monday and *last* year was a leap year, postpone by 1 day.
// Prevents 382-day years.
day += 1;
}
return day;
},
// ported from the Java class com.ibm.icu.util.HebrewCalendar from ICU4J v3.6.1 at http://www.icu-project.org/
_isLeapYear: function(/*number*/year){
//return (year * 12 + 17) % 19 >= 12;
var x = (year*12 + 17) % 19;
return x >= ((x < 0) ? -7 : 12);
},
//TODO: would it make more sense to make this a constructor option? or a static?
fromGregorian: function(/*Date*/gdate){
// summary: This function returns the equivalent Hebrew Date value for the Gregorian Date
// example:
// | var dateHebrew = new dojox.date.HebrewDate();
// | var dateGregorian = new Date(2008,10,12);
// | dateHebrew.fromGregorian(dateGregorian);
var result = this._computeHebrewFields(gdate);
this._year = result[0];
this._month = result[1];
this._date = result[2];
this._hours = gdate.getHours();
this._milliseconds = gdate.getMilliseconds();
this._minutes = gdate.getMinutes();
this._seconds = gdate.getSeconds();
return this;
},
// ported from the Java class com.ibm.icu.util.HebrewCalendar.handleComputeFields from ICU4J v3.6.1 at http://www.icu-project.org/
_computeHebrewFields: function(/*Date*/gdate){
var julianDay = this._getJulianDayFromGregorianDate(gdate);
var d = julianDay - 347997;
var m = Math.floor((d * this._DAY_PARTS) / this._MONTH_PARTS); // Months (approx)
var year = Math.floor((19 * m + 234) / 235) + 1; // Years (approx)
var ys = this._startOfYear(year); // 1st day of year
var dayOfYear = (d - ys);
// Because of the postponement rules, it's possible to guess wrong. Fix it.
while (dayOfYear < 1){
year--;
ys = this._startOfYear(year);
dayOfYear = (d - ys);
}
// Now figure out which month we're in, and the date within that month
var typeofYear = this._yearType(year);
var monthStart = this._isLeapYear(year) ? this.LEAP_MONTH_START : this._MONTH_START;
var month = 0;
while(dayOfYear > monthStart[month][typeofYear]){
month++;
}
month--;
var dayOfMonth = dayOfYear - monthStart[month][typeofYear];
var result = new Array(3);
result[0] = year;
result[1] = month;
result[2] = dayOfMonth;
return result;
},
// ported from the Java class com.ibm.icu.util.Calendar.computeGregorianFields from ICU4J v3.6.1 at http://www.icu-project.org/
toGregorian: function(){
// summary: This returns the equevalent Grogorian date value in Date object
// example:
// | var dateHebrew = new dojox.date.HebrewDate(5768,11,20);
// | var dateGregorian = dateHebrew.toGregorian();
var hYear = this._year;
var hMonth = this._month;
var hDate = this._date;
var day = this._startOfYear(hYear);
if(hMonth != 0){
if(this._isLeapYear(hYear)){
day += this.LEAP_MONTH_START[hMonth][this._yearType(hYear)];
} else{
day += this._MONTH_START[hMonth][this._yearType(hYear)];
}
}
var julianDay = (hDate + day + 347997);
// The Gregorian epoch day is zero for Monday January 1, year 1.
var gregorianEpochDay = julianDay - this.JAN_1_1_JULIAN_DAY;
// Here we convert from the day number to the multiple radix
// representation. We use 400-year, 100-year, and 4-year cycles.
// For example, the 4-year cycle has 4 years + 1 leap day; giving
// 1461 == 365*4 + 1 days.
var rem = new Array(1);
var n400 = this._floorDivide(gregorianEpochDay , 146097, rem); // 400-year cycle length
var n100 = this._floorDivide(rem[0] , 36524, rem); // 100-year cycle length
var n4 = this._floorDivide(rem[0] , 1461, rem); // 4-year cycle length
var n1 = this._floorDivide(rem[0] , 365, rem);
var year = 400*n400 + 100*n100 + 4*n4 + n1;
var dayOfYear = rem[0]; // zero-based day of year
if(n100 == 4 || n1 == 4){
dayOfYear = 365; // Dec 31 at end of 4- or 400-yr cycle
}else{
++year;
}
var isLeap = (year%4 == 0) && // equiv. to (year%4 == 0)
(year%100 != 0 || year%400 == 0);
var correction = 0;
var march1 = isLeap ? 60 : 59; // zero-based DOY for March 1
if(dayOfYear >= march1){ correction = isLeap ? 1 : 2; }
var month = Math.floor((12 * (dayOfYear + correction) + 6) / 367); // zero-based month
var dayOfMonth = dayOfYear -
this.GREGORIAN_MONTH_COUNT[month][isLeap?3:2] + 1; // one-based DOM
return new Date(year, month, dayOfMonth, this._hours, this._minutes, this._seconds, this._milliseconds);
},
_floorDivide: function(numerator, denominator, remainder){
if(numerator >= 0){
remainder[0] = (numerator % denominator);
return Math.floor(numerator / denominator);
}
var quotient = Math.floor(numerator / denominator);
remainder[0] = numerator - (quotient * denominator);
return quotient;
},
getDay: function(){
// summary: This function return Week Day value ( 0 - 6 )
//
// example:
// | var date1 = new dojox.date.HebrewDate();
// |
// | document.writeln(date1.getDay());
var hYear = this._year;
var hMonth = this._month;
var hDate = this._date;
var day = this._startOfYear(hYear);
if(hMonth != 0){
if(this._isLeapYear(hYear)){
day += this.LEAP_MONTH_START[hMonth][this._yearType(hYear)];
} else{
day += this._MONTH_START[hMonth][this._yearType(hYear)];
}
}
day += (hDate - 1);
return ((day+1) % 7);
},
// ported from the Java class com.ibm.icu.util.Calendar.computeGregorianMonthStart from ICU4J v3.6.1 at http://www.icu-project.org/
_getJulianDayFromGregorianDate: function(gdate){
//summary: returns the Julian day of a Gregorian date
var year = gdate.getFullYear();
var month = gdate.getMonth();
var d = gdate.getDate();
var isLeap = (year%4 == 0) && ((year%100 != 0) || (year%400 == 0));
var y = year - 1;
// This computation is actually ... + (JAN_1_1_JULIAN_DAY - 3) + 2.
// Add 2 because Gregorian calendar starts 2 days after Julian
// calendar.
var julianDay = 365*y + Math.floor(y/4) - Math.floor(y/100) +
Math.floor(y/400) + this.JAN_1_1_JULIAN_DAY - 1;
// At this point julianDay indicates the day BEFORE the first day
// of January 1, <eyear> of the Gregorian calendar.
if(month != 0){
julianDay += this.GREGORIAN_MONTH_COUNT[month][isLeap?3:2];
}
julianDay += d;
return julianDay;
}
});
//TODOC
dojox.date.HebrewDate.getDaysInHebrewMonth = function(/*dojox.date.HebrewDate*/month){
return new dojox.date.HebrewDate().getDaysInHebrewMonth(month.getMonth(),month.getFullYear()); // dojox.date.HebrewDate
};
dojox.date.HebrewDate._getNames = function(/*String*/item, /*String*/type, /*String?*/use, /*String?*/locale){
// summary:
// Used to get localized strings from dojo.cldr for day or month names.
//
// item:
// 'months' || 'days'
// type:
// 'wide' || 'narrow' || 'abbr' (e.g. "Monday", "Mon", or "M" respectively, in English)
// use:
// 'standAlone' || 'format' (default)
// locale:
// override locale used to find the names
var label;
var lookup = dojo.i18n.getLocalization("dojo.cldr", "hebrew", locale);
var props = [item, use, type];
if(use == 'standAlone'){
label = lookup[props.join('-')];
}
props[1] = 'format';
// return by copy so changes won't be made accidentally to the in-memory model
return (label || lookup[props.join('-')]).concat(); /*Array*/
};
dojox.date.HebrewDate.weekDays = dojox.date.HebrewDate._getNames('days', 'wide', 'format');
dojox.date.HebrewDate.months = dojox.date.HebrewDate._getNames('months', 'wide', 'abbr');
