426 lines
12 KiB
JavaScript
426 lines
12 KiB
JavaScript
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//>>built
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define("dojox/date/islamic/Date", ["dojo/_base/kernel", "dojo/_base/declare", "dojo/date"], function(dojo, declare, dd){
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dojo.getObject("date.buddhist.Date", true, dojox);
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dojo.experimental("dojox.date.buddhist.Date");
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dojo.declare("dojox.date.islamic.Date", null, {
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// summary: The component defines the Islamic (Hijri) Calendar Object
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//
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// description:
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// This module is similar to the Date() object provided by JavaScript
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//
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// example:
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// | dojo.require("dojox.date.islamic.Date");
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// |
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// | var date = new dojox.date.islamic.Date();
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// | document.writeln(date.getFullYear()+'\'+date.getMonth()+'\'+date.getDate());
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_date: 0,
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_month: 0,
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_year: 0,
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_hours: 0,
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_minutes: 0,
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_seconds: 0,
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_milliseconds: 0,
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_day: 0,
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_GREGORIAN_EPOCH : 1721425.5,
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_ISLAMIC_EPOCH : 1948439.5,
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constructor: function(){
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// summary: This is the constructor
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// description:
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// This function initialize the date object values
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//
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// example:
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// | var date1 = new dojox.date.islamic.Date();
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// |
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// | var date2 = new dojox.date.islamic.Date("12\2\1429");
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// |
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// | var date3 = new dojox.date.islamic.Date(date2);
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// |
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// | var date4 = new dojox.date.islamic.Date(1429,2,12);
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var len = arguments.length;
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if(!len){// use the current date value, added "" to the similarity to date
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this.fromGregorian(new Date());
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}else if(len == 1){
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var arg0 = arguments[0];
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if(typeof arg0 == "number"){ // this is time "valueof"
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arg0 = new Date(arg0);
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}
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if(arg0 instanceof Date){
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this.fromGregorian(arg0);
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}else if(arg0 == ""){
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// date should be invalid. Dijit relies on this behavior.
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this._date = new Date(""); //TODO: should this be NaN? _date is not a Date object
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}else{ // this is Islamic.Date object
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this._year = arg0._year;
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this._month = arg0._month;
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this._date = arg0._date;
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this._hours = arg0._hours;
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this._minutes = arg0._minutes;
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this._seconds = arg0._seconds;
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this._milliseconds = arg0._milliseconds;
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}
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}else if(len >=3){
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// YYYY MM DD arguments passed, month is from 0-12
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this._year += arguments[0];
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this._month += arguments[1];
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this._date += arguments[2];
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this._hours += arguments[3] || 0;
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this._minutes += arguments[4] || 0;
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this._seconds += arguments[5] || 0;
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this._milliseconds += arguments[6] || 0;
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}
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},
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getDate:function(){
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// summary: This function returns the date value (1 - 30)
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//
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// example:
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// | var date1 = new dojox.date.islamic.Date();
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// |
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// | document.writeln(date1.getDate);
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return this._date;
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},
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getMonth:function(){
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// summary: This function return the month value ( 0 - 11 )
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//
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// example:
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// | var date1 = new dojox.date.islamic.Date();
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// |
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// | document.writeln(date1.getMonth()+1);
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return this._month;
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},
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getFullYear:function(){
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// summary: This function return the Year value
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//
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// example:
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// | var date1 = new dojox.date.islamic.Date();
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// |
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// | document.writeln(date1.getFullYear());
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return this._year;
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},
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getDay:function(){
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// summary: This function return Week Day value ( 0 - 6 )
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//
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// example:
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// | var date1 = new dojox.date.islamic.Date();
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// |
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// | document.writeln(date1.getDay());
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return this.toGregorian().getDay();
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},
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getHours:function(){
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//summary: returns the Hour value
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return this._hours;
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},
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getMinutes:function(){
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//summary: returns the Minuites value
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return this._minutes;
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},
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getSeconds:function(){
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//summary: returns the seconde value
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return this._seconds;
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},
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getMilliseconds:function(){
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//summary: returns the Milliseconds value
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return this._milliseconds;
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},
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setDate: function(/*number*/date){
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// summary: This function sets the Date
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// example:
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// | var date1 = new dojox.date.islamic.Date();
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// | date1.setDate(2);
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date = parseInt(date);
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if(date > 0 && date <= this.getDaysInIslamicMonth(this._month, this._year)){
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this._date = date;
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}else{
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var mdays;
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if(date>0){
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for(mdays = this.getDaysInIslamicMonth(this._month, this._year);
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date > mdays;
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date -= mdays,mdays =this.getDaysInIslamicMonth(this._month, this._year)){
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this._month++;
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if(this._month >= 12){this._year++; this._month -= 12;}
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}
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this._date = date;
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}else{
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for(mdays = this.getDaysInIslamicMonth((this._month-1)>=0 ?(this._month-1) :11 ,((this._month-1)>=0)? this._year: this._year-1);
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date <= 0;
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mdays = this.getDaysInIslamicMonth((this._month-1)>=0 ? (this._month-1) :11,((this._month-1)>=0)? this._year: this._year-1)){
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this._month--;
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if(this._month < 0){this._year--; this._month += 12;}
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date+=mdays;
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}
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this._date = date;
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}
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}
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return this;
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},
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setFullYear:function(/*number*/year){
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// summary: This function set Year
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//
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// example:
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// | var date1 = new dojox.date.islamic.Date();
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// | date1.setYear(1429);
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this._year = +year;
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},
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setMonth: function(/*number*/month) {
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// summary: This function set Month
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//
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// example:
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// | var date1 = new dojox.date.islamic.Date();
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// | date1.setMonth(2);
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this._year += Math.floor(month / 12);
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if(month > 0){
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this._month = Math.floor(month % 12);
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}else{
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this._month = Math.floor(((month % 12) + 12) % 12);
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}
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},
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setHours:function(){
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//summary: set the Hours
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var hours_arg_no = arguments.length;
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var hours = 0;
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if(hours_arg_no >= 1){
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hours = parseInt(arguments[0]);
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}
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if(hours_arg_no >= 2){
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this._minutes = parseInt(arguments[1]);
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}
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if(hours_arg_no >= 3){
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this._seconds = parseInt(arguments[2]);
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}
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if(hours_arg_no == 4){
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this._milliseconds = parseInt(arguments[3]);
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}
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while(hours >= 24){
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this._date++;
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var mdays = this.getDaysInIslamicMonth(this._month, this._year);
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if(this._date > mdays){
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this._month ++;
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if(this._month >= 12){this._year++; this._month -= 12;}
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this._date -= mdays;
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}
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hours -= 24;
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}
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this._hours = hours;
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},
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_addMinutes: function(/*Number*/minutes){
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minutes += this._minutes;
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this.setMinutes(minutes);
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this.setHours(this._hours + parseInt(minutes / 60));
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return this;
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},
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_addSeconds: function(/*Number*/seconds){
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seconds += this._seconds;
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this.setSeconds(seconds);
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this._addMinutes(parseInt(seconds / 60));
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return this;
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},
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_addMilliseconds: function(/*Number*/milliseconds){
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milliseconds += this._milliseconds;
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this.setMilliseconds(milliseconds);
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this._addSeconds(parseInt(milliseconds / 1000));
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return this;
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},
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setMinutes: function(/*Number*/minutes){
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//summary: sets the minutes (0-59) only.
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this._minutes = minutes % 60;
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return this;
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},
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setSeconds: function(/*Number*/seconds){
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//summary: sets the seconds (0-59) only.
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this._seconds = seconds % 60;
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return this;
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},
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setMilliseconds: function(/*Number*/milliseconds){
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this._milliseconds = milliseconds % 1000;
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return this;
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},
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toString:function(){
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// summary: This returns a string representation of the date in "DDDD MMMM DD YYYY HH:MM:SS" format
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// example:
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// | var date1 = new dojox.date.islamic.Date();
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// | document.writeln(date1.toString());
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//FIXME: TZ/DST issues?
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var x = new Date();
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x.setHours(this._hours);
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x.setMinutes(this._minutes);
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x.setSeconds(this._seconds);
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x.setMilliseconds(this._milliseconds);
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return this._month+" "+ this._date + " " + this._year + " " + x.toTimeString();
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},
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toGregorian:function(){
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// summary: This returns the equevalent Grogorian date value in Date object
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// example:
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// | var dateIslamic = new dojox.date.islamic.Date(1429,11,20);
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// | var dateGregorian = dateIslamic.toGregorian();
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var hYear = this._year;
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var hMonth = this._month;
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var hDate = this._date;
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var julianDay = hDate + Math.ceil(29.5 * hMonth) + (hYear - 1) * 354
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+ Math.floor((3 + (11 * hYear)) / 30) + this._ISLAMIC_EPOCH - 1;
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var wjd = Math.floor(julianDay - 0.5) + 0.5,
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depoch = wjd - this._GREGORIAN_EPOCH,
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quadricent = Math.floor(depoch / 146097),
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dqc = this._mod(depoch, 146097),
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cent = Math.floor(dqc / 36524),
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dcent = this._mod(dqc, 36524),
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quad = Math.floor(dcent / 1461),
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dquad = this._mod(dcent, 1461),
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yindex = Math.floor(dquad / 365),
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year = (quadricent * 400) + (cent * 100) + (quad * 4) + yindex;
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if(!(cent == 4 || yindex == 4)){
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year++;
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}
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var gYearStart = this._GREGORIAN_EPOCH + (365 * (year - 1)) + Math.floor((year - 1) / 4)
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- ( Math.floor((year - 1) / 100)) + Math.floor((year - 1) / 400);
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var yearday = wjd - gYearStart;
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var tjd = (this._GREGORIAN_EPOCH - 1) + (365 * (year - 1)) + Math.floor((year - 1) / 4)
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-( Math.floor((year - 1) / 100)) + Math.floor((year - 1) / 400) + Math.floor( (739 / 12)
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+ ( (dd.isLeapYear(new Date(year,3,1)) ? -1 : -2)) + 1);
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var leapadj = ((wjd < tjd ) ? 0 : (dd.isLeapYear(new Date(year,3,1)) ? 1 : 2));
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var month = Math.floor((((yearday + leapadj) * 12) + 373) / 367);
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var tjd2 = (this._GREGORIAN_EPOCH - 1) + (365 * (year - 1))
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+ Math.floor((year - 1) / 4) - (Math.floor((year - 1) / 100))
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+ Math.floor((year - 1) / 400) + Math.floor((((367 * month) - 362) / 12)
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+ ((month <= 2) ? 0 : (dd.isLeapYear(new Date(year,month,1)) ? -1 : -2)) + 1);
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var day = (wjd - tjd2) + 1;
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var gdate = new Date(year, (month - 1), day, this._hours, this._minutes, this._seconds, this._milliseconds);
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return gdate;
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},
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//TODO: would it make more sense to make this a constructor option? or a static?
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// ported from the Java class com.ibm.icu.util.IslamicCalendar from ICU4J v3.6.1 at http://www.icu-project.org/
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fromGregorian:function(/*Date*/gdate){
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// summary: This function returns the equivalent Islamic Date value for the Gregorian Date
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// example:
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// | var dateIslamic = new dojox.date.islamic.Date();
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// | var dateGregorian = new Date(2008,10,12);
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// | dateIslamic.fromGregorian(dateGregorian);
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var date = new Date(gdate);
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var gYear = date.getFullYear(),
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gMonth = date.getMonth(),
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gDay = date.getDate();
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var julianDay = (this._GREGORIAN_EPOCH - 1) + (365 * (gYear - 1)) + Math.floor((gYear - 1) / 4)
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+ (-Math.floor((gYear - 1) / 100)) + Math.floor((gYear - 1) / 400)
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+ Math.floor((((367 * (gMonth+1)) - 362) / 12)
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+ (((gMonth+1) <= 2) ? 0 : (dd.isLeapYear(date) ? -1 : -2)) + gDay);
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julianDay = Math.floor(julianDay) + 0.5;
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var days = julianDay - this._ISLAMIC_EPOCH;
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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;
|
||
|
|
},
|
||
|
|
|
||
|
|
valueOf:function(){
|
||
|
|
// summary: This function returns The stored time value in milliseconds
|
||
|
|
// since midnight, January 1, 1970 UTC
|
||
|
|
|
||
|
|
return this.toGregorian().valueOf();
|
||
|
|
},
|
||
|
|
|
||
|
|
// ported from the Java class com.ibm.icu.util.IslamicCalendar 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.IslamicCalendar 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.IslamicCalendar 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.IslamicCalendar 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.islamic.Date.getDaysInIslamicMonth = function(/*dojox.date.islamic.Date*/month){
|
||
|
|
return new dojox.date.islamic.Date().getDaysInIslamicMonth(month.getMonth(),month.getFullYear()); // dojox.date.islamic.Date
|
||
|
|
};
|
||
|
|
return dojox.date.islamic.Date;
|
||
|
|
});
|