- Author:
- David Nickerson <david.nickerson@gmail.com>
- Date:
- 2021-09-17 15:39:51+12:00
- Desc:
- tweak html formatting
- Permanent Source URI:
- https://models.fieldml.org/workspace/a1/rawfile/c47db6b2fedb368422c7f4d5191aeb9f319ad684/dojo-presentation/js/dojo/dojox/date/IslamicDate.js
dojo.provide("dojox.date.IslamicDate");
dojo.experimental("dojox.date.IslamicDate");
dojo.require("dojo.date.locale"); //TODO: move dependency to another module?
dojo.require("dojo.date");
dojo.requireLocalization("dojo.cldr", "islamic");
dojo.declare("dojox.date.IslamicDate", null, {
// summary: The component defines the Islamic (Hijri) Calendar Object
//
// description:
// This module is similar to the Date() object provided by JavaScript
//
// example:
// | dojo.require("dojox.date.IslamicDate");
// |
// | var date = new dojox.date.IslamicDate();
// | document.writeln(date.getFullYear()+'\'+date.getMonth()+'\'+date.getDate());
_date: 0,
_month: 0,
_year: 0,
_hours: 0,
_minutes: 0,
_seconds: 0,
_milliseconds: 0,
_day: 0,
_GREGORIAN_EPOCH : 1721425.5,
_ISLAMIC_EPOCH : 1948439.5,
constructor: function(){
// summary: This is the constructor
// description:
// This fucntion initialize the date object values
//
// example:
// | var date1 = new dojox.date.IslamicDate();
// |
// | var date2 = new dojox.date.IslamicDate("12\2\1429");
// |
// | var date3 = new dojox.date.IslamicDate(date2);
// |
// | var date4 = new dojox.date.IslamicDate(1429,2,12);
var arg_no = arguments.length;
if(arg_no == 0){
// use the current date value
var d = new Date();
this._day = d.getDay();
this.fromGregorian(d);
}else if(arg_no ==1){
//date string or Islamic date object passed
this.parse(arguments[0]);
}else if(arg_no >=3){
// YYYY MM DD arguments passed
this._year = arguments[0];
this._month = arguments[1];
this._date = arguments[2];
this._hours = arguments[3] || 0;
this._minutes = arguments[4] || 0;
this._seconds = arguments[5] || 0;
this._milliseconds = arguments[6] || 0;
}
},
getDate:function(){
// summary: This function returns the date value (1 - 30)
//
// example:
// | var date1 = new dojox.date.IslamicDate();
// |
// | 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.IslamicDate();
// |
// | document.writeln(date1.getMonth()+1);
return parseInt(this._month);
},
getFullYear:function(){
// summary: This function return the Year value
//
// example:
// | var date1 = new dojox.date.IslamicDate();
// |
// | document.writeln(date1.getFullYear());
return parseInt(this._year);
},
getDay:function(){
// summary: This function return Week Day value ( 0 - 6 )
//
// example:
// | var date1 = new dojox.date.IslamicDate();
// |
// | document.writeln(date1.getDay());
var gd = this.toGregorian();
return gd.getDay();
},
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.IslamicDate();
// | date1.setDate(2);
date = parseInt(date);
if(date > 0 && date <= this.getDaysInIslamicMonth(this._month, this._year)){
this._date = date;
}else{
var mdays;
if(date>0){
for(mdays = this.getDaysInIslamicMonth(this._month, this._year);
date > mdays;
date -= mdays,mdays =this.getDaysInIslamicMonth(this._month, this._year)){
this._month++;
if(this._month >= 12){this._year++; this._month -= 12;}
}
this._date = date;
}else{
for(mdays = this.getDaysInIslamicMonth((this._month-1)>=0 ?(this._month-1) :11 ,((this._month-1)>=0)? this._year: this._year-1);
date <= 0;
mdays = this.getDaysInIslamicMonth((this._month-1)>=0 ? (this._month-1) :11,((this._month-1)>=0)? this._year: this._year-1)){
this._month--;
if(this._month < 0){this._year--; this._month += 12;}
date+=mdays;
}
this._date = date;
}
}
return this;
},
setYear:function(/*number*/year){
// summary: This function set Year
//
// example:
// | var date1 = new dojox.date.IslamicDate();
// | date1.setYear(1429);
this._year = parseInt(year);
},
setMonth:function(/*number*/month){
// summary: This function set Month
//
// example:
// | var date1 = new dojox.date.IslamicDate();
// | date1.setMonth(2);
this._year += Math.floor(month / 12);
this._month = Math.floor(month % 12);
},
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.getDaysInIslamicMonth(this._month, this._year);
if(this._date > mdays){
this._month ++;
if(this._month >= 12){this._year++; this._month -= 12;}
this._date -= mdays;
}
hours -= 24;
}
this._hours = hours;
},
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.getDaysInIslamicMonth(this._month, this._year);
if(this._date > mdays){
this._month ++;
if(this._month >= 12){this._year++; this._month -= 12;}
this._date -= mdays;
}
}
minutes -= 60;
}
this._minutes = minutes;
},
setSeconds:function(/*number*/seconds){
//summary: set 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.getDaysInIslamicMonth(this._month, this._year);
if(this._date > mdays){
this._month ++;
if(this._month >= 12){this._year++; this._month -= 12;}
this._date -= mdays;
}
}
}
seconds -= 60;
}
this._seconds = seconds;
},
setMilliseconds:function(/*number*/milliseconds){
//summary: set the Millisconds
while(milliseconds >= 1000){
this.setSeconds++;
if(this.setSeconds >= 60){
this._minutes++;
this.setSeconds -= 60;
if(this._minutes >= 60){
this._hours++;
this._minutes -= 60;
if(this._hours >= 24){
this._date++;
this._hours -= 24;
var mdays = this.getDaysInIslamicMonth(this._month, this._year);
if(this._date > mdays){
this._month ++;
if(this._month >= 12){this._year++; this._month -= 12;}
this._date -= mdays;
}
}
}
}
milliseconds -= 1000;
}
this._milliseconds = milliseconds;
},
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.IslamicDate();
// | 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();
//TODO : needs to be internationalized using dojo.date.format()? or use separate module
return(dojox.date.IslamicDate.weekDays[this.getDay()] +" "+dojox.date.IslamicDate.months[this._month]+" "+ this._date + " " + this._year+" "+timeString);
},
toGregorian:function(){
// summary: This returns the equevalent Grogorian date value in Date object
// example:
// | var dateIslamic = new dojox.date.IslamicDate(1429,11,20);
// | var dateGregorian = dateIslamic.toGregorian();
var hYear = this._year;
var hMonth = this._month;
var hDate = this._date;
var julianDay = hDate + Math.ceil(29.5 * hMonth) + (hYear - 1) * 354
+ Math.floor((3 + (11 * hYear)) / 30) + this._ISLAMIC_EPOCH - 1;
var wjd = Math.floor(julianDay - 0.5) + 0.5,
depoch = wjd - this._GREGORIAN_EPOCH,
quadricent = Math.floor(depoch / 146097),
dqc = this._mod(depoch, 146097),
cent = Math.floor(dqc / 36524),
dcent = this._mod(dqc, 36524),
quad = Math.floor(dcent / 1461),
dquad = this._mod(dcent, 1461),
yindex = Math.floor(dquad / 365),
year = (quadricent * 400) + (cent * 100) + (quad * 4) + yindex;
if(!(cent == 4 || yindex == 4)){
year++;
}
var gYearStart = this._GREGORIAN_EPOCH + (365 * (year - 1)) + Math.floor((year - 1) / 4)
- ( Math.floor((year - 1) / 100)) + Math.floor((year - 1) / 400);
var yearday = wjd - gYearStart;
var tjd = (this._GREGORIAN_EPOCH - 1) + (365 * (year - 1)) + Math.floor((year - 1) / 4)
-( Math.floor((year - 1) / 100)) + Math.floor((year - 1) / 400) + Math.floor( (739 / 12)
+ ( (dojo.date.isLeapYear(new Date(year,3,1)) ? -1 : -2)) + 1);
var leapadj = ((wjd < tjd ) ? 0 : (dojo.date.isLeapYear(new Date(year,3,1)) ? 1 : 2));
var month = Math.floor((((yearday + leapadj) * 12) + 373) / 367);
var tjd2 = (this._GREGORIAN_EPOCH - 1) + (365 * (year - 1))
+ Math.floor((year - 1) / 4) - (Math.floor((year - 1) / 100))
+ Math.floor((year - 1) / 400) + Math.floor((((367 * month) - 362) / 12)
+ ((month <= 2) ? 0 : (dojo.date.isLeapYear(new Date(year,month,1)) ? -1 : -2)) + 1);
var day = (wjd - tjd2);
var gdate = new Date(year, month-1, day);
gdate.setHours(this._hours);
gdate.setMilliseconds(this._milliseconds);
gdate.setMinutes(this._minutes);
gdate.setSeconds(this._seconds);
return gdate;
},
//TODO: would it make more sense to make this a constructor option? or a static?
// ported from the Java class com.ibm.icu.util.HebrewCalendar from ICU4J v3.6.1 at http://www.icu-project.org/
fromGregorian:function(/*Date*/gdate){
// summary: This function returns the equivalent Islamic Date value for the Gregorian Date
// example:
// | var dateIslamic = new dojox.date.IslamicDate();
// | var dateGregorian = new Date(2008,10,12);
// | dateIslamic.fromGregorian(dateGregorian);
var date = new Date(gdate);
var gYear = date.getFullYear(),
gMonth = date.getMonth(),
gDay = date.getDate();
var julianDay = (this._GREGORIAN_EPOCH - 1) + (365 * (gYear - 1)) + Math.floor((gYear - 1) / 4)
+ (-Math.floor((gYear - 1) / 100)) + Math.floor((gYear - 1) / 400)
+ Math.floor((((367 * (gMonth+1)) - 362) / 12)
+ (((gMonth+1) <= 2) ? 0 : (dojo.date.isLeapYear(date) ? -1 : -2)) + gDay)
+(Math.floor(date.getSeconds() + 60 * (date.getMinutes() + 60 * date.getHours()) + 0.5) / 86400.0);
julianDay = Math.floor(julianDay) + 0.5;
var days = julianDay - 1948440;
var hYear = Math.floor( (30 * days + 10646) / 10631.0 );
var hMonth = Math.ceil((days - 29 - this._yearStart(hYear)) / 29.5 );
hMonth = Math.min(hMonth, 11);
var hDay = Math.ceil(days - this._monthStart(hYear, hMonth)) + 1;
this._date = hDay;
this._month = hMonth;
this._year = hYear;
this._hours = date.getHours();
this._minutes = date.getMinutes();
this._seconds = date.getSeconds();
this._milliseconds = date.getMilliseconds();
this._day = date.getDay();
return this;
},
//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("Safar 2 1429");
var sDate = dateObject.toString();
var template = /\d{1,2}\D\d{1,2}\D\d{4}/;
var sD, jd, mD = sDate.match(template);
if(mD){
mD = mD.toString();
sD = mD.split(/\D/);
this._month = sD[0]-1;
this._date = sD[1];
this._year = sD[2];
}else{
mD = sDate.match(/\D{4,}\s\d{1,2}\s\d{4}/);
if(mD){
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(this._months, mName); //FIXME: check for -1?
sD = dayYear.split(/\s/);
this._date = sD[0];
this._year = sD[1];
}
}
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(){
// summary: This function returns The stored time value in milliseconds
// since midnight, January 1, 1970 UTC
//
var gdate = this.toGregorian();
return gdate.valueOf();
},
// ported from the Java class com.ibm.icu.util.HebrewCalendar from ICU4J v3.6.1 at http://www.icu-project.org/
_yearStart:function(/*Number*/year){
//summary: return start of Islamic year
return (year-1)*354 + Math.floor((3+11*year)/30.0);
},
// ported from the Java class com.ibm.icu.util.HebrewCalendar from ICU4J v3.6.1 at http://www.icu-project.org/
_monthStart:function(/*Number*/year, /*Number*/month){
//summary: return the start of Islamic Month
return Math.ceil(29.5*month) +
(year-1)*354 + Math.floor((3+11*year)/30.0);
},
// ported from the Java class com.ibm.icu.util.HebrewCalendar from ICU4J v3.6.1 at http://www.icu-project.org/
_civilLeapYear:function(/*Number*/year){
//summary: return Boolean value if Islamic leap year
return (14 + 11 * year) % 30 < 11;
},
// ported from the Java class com.ibm.icu.util.HebrewCalendar from ICU4J v3.6.1 at http://www.icu-project.org/
getDaysInIslamicMonth:function(/*Number*/month, /*Number*/ year){
//summary: returns the number of days in the given Islamic Month
var length = 0;
length = 29 + ((month+1) % 2);
if(month == 11 && this._civilLeapYear(year)){
length++;
}
return length;
},
_mod:function(a, b){
return a - (b * Math.floor(a / b));
}
});
//TODOC
dojox.date.IslamicDate.getDaysInIslamicMonth = function(/*dojox.date.IslamicDate*/month){
return new dojox.date.IslamicDate().getDaysInIslamicMonth(month.getMonth(),month.getFullYear()); // dojox.date.IslamicDate
};
dojox.date.IslamicDate._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", "islamic", 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.IslamicDate.weekDays = dojox.date.IslamicDate._getNames('days', 'wide', 'format');
dojox.date.IslamicDate.months = dojox.date.IslamicDate._getNames('months', 'wide', 'format');
