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source: Dev/trunk/src/client/dojox/date/hebrew.js

Last change on this file was 483, checked in by hendrikvanantwerpen, 11 years ago
Added Dojo 1.9.3 release.
File size: 7.1 KB

Rev	Line
[483]	1	define(["..", "dojo/_base/lang", "dojo/date", "./hebrew/Date"], function(dojox, lang, dd, HDate){
	2
	3	var dhebrew = lang.getObject("date.hebrew", true, dojox);
	4
	5	// Utility methods to do arithmetic calculations with hebrew.Dates
	6
	7	// added for compat to date
	8	dhebrew.getDaysInMonth = function(/dojox/date/hebrew/Date/month){
	9	return month.getDaysInHebrewMonth(month.getMonth(), month.getFullYear());
	10	};
	11
	12	//TODO: define hebrew.isLeapYear? Or should it be invalid, since it has different meaning?
	13
	14	dhebrew.compare = function(/dojox/date/hebrew/Date/dateheb1, /dojox/date/hebrew/Date/dateheb2, /String?/portion){
	15	// summary:
	16	// Compare two hebrew date objects by date, time, or both.
	17	// description:
	18	// Returns 0 if equal, positive if a > b, else negative.
	19	// date1: dojox/date/hebrew/Date
	20	// date2: dojox/date/hebrew/Date
	21	// If not specified, the current hebrew.Date is used.
	22	// portion:
	23	// A string indicating the "date" or "time" portion of a Date object.
	24	// Compares both "date" and "time" by default. One of the following:
	25	// "date", "time", "datetime"
	26
	27	if(dateheb1 instanceof HDate){
	28	dateheb1 = dateheb1.toGregorian();
	29	}
	30	if(dateheb2 instanceof HDate){
	31	dateheb2 = dateheb2.toGregorian();
	32	}
	33
	34	return dd.compare.apply(null, arguments);
	35	};
	36
	37
	38	dhebrew.add = function(/dojox/date/hebrew/Date/date, /String/interval, /int/amount){
	39	// summary:
	40	// Add to a Date in intervals of different size, from milliseconds to years
	41	// date: dojox/date/hebrew/Date
	42	// Date object to start with
	43	// interval:
	44	// A string representing the interval. One of the following:
	45	// "year", "month", "day", "hour", "minute", "second",
	46	// "millisecond", "week", "weekday"
	47	// amount:
	48	// How much to add to the date.
	49
	50	// based on and similar to dojo.date.add
	51
	52	var newHebrDate = new HDate(date);
	53
	54	switch(interval){
	55	case "day":
	56	newHebrDate.setDate(date.getDate() + amount);
	57	break;
	58	case "weekday":
	59	var day = date.getDay();
	60	var remdays = 0;
	61	if(amount < 0 && day == 6){ day = 5; remdays = -1; }
	62
	63	if((day + amount) < 5 && (day + amount) >= 0){ //in the same week
	64	newHebrDate.setDate(date.getDate() + amount + remdays);
	65	}else{
	66	var add = (amount > 0) ? 5 : -1;
	67	var adddays = (amount > 0) ? 2 : -2 ; /first weekend /
	68	if (amount > 0 && (day == 5 \|\| day == 6)) { remdays = 4 - day; day = 4;}
	69	var newamount = day + amount - add;
	70	var weeks = parseInt(newamount / 5);
	71	var newday = newamount%5;
	72	newHebrDate.setDate(date.getDate() - day+ adddays + weeks * 7 + remdays + newday + add);
	73	}
	74	break;
	75	case "year":
	76	newHebrDate.setFullYear(date.getFullYear() + amount);
	77	break;
	78	case "week":
	79	amount *= 7;
	80	newHebrDate.setDate(date.getDate() + amount);
	81	break;
	82	case "month":
	83	var month = date.getMonth(),
	84	newMonth = month + amount;
	85	if(!date.isLeapYear(date.getFullYear())){
	86	if(month < 5 && newMonth >= 5){ newMonth++;}
	87	else if (month > 5 && newMonth <= 5){ newMonth--;}
	88	}
	89	newHebrDate.setMonth(newMonth);
	90	break;
	91	case "hour":
	92	newHebrDate.setHours(date.getHours() + amount);
	93	break;
	94	case "minute":
	95	newHebrDate._addMinutes(amount);
	96	break;
	97	case "second":
	98	newHebrDate._addSeconds(amount);
	99	break;
	100	case "millisecond":
	101	newHebrDate._addMilliseconds(amount);
	102	break;
	103	}
	104
	105	return newHebrDate; // dojox.date.hebrew.Date
	106	};
	107
	108	dhebrew.difference = function(/dojox/date/hebrew/Date/date1, /dojox/date/hebrew/Date?/date2, /String?/interval){
	109	// summary:
	110	// date2 - date1
	111	// date1: dojox/date/hebrew/Date
	112	// date2: dojox/date/hebrew/Date
	113	// If not specified, the current dojox.date.hebrew.Date is used.
	114	// interval:
	115	// A string representing the interval. One of the following:
	116	// "year", "month", "day", "hour", "minute", "second",
	117	// "millisecond", "week", "weekday"
	118	//
	119	// Defaults to "day".
	120
	121	// based on and similar to dojo.date.difference
	122
	123	date2 = date2 \|\| new HDate();
	124	interval = interval \|\| "day";
	125	var yearDiff = date2.getFullYear() - date1.getFullYear();
	126	var delta = 1; // Integer return value
	127	switch(interval){
	128	case "weekday":
	129	var days = Math.round(dhebrew.difference(date1, date2, "day"));
	130	var weeks = parseInt(dhebrew.difference(date1, date2, "week"));
	131	var mod = days % 7;
	132
	133	// Even number of weeks
	134	if(mod == 0){
	135	days = weeks*5;
	136	}else{
	137	// Weeks plus spare change (< 7 days)
	138	var adj = 0;
	139	var aDay = date1.getDay();
	140	var bDay = date2.getDay();
	141
	142	weeks = parseInt(days/7);
	143	mod = days % 7;
	144	// Mark the date advanced by the number of
	145	// round weeks (may be zero)
	146	var dtMark = new HDate(date1);
	147	dtMark.setDate(dtMark.getDate()+(weeks*7));
	148	var dayMark = dtMark.getDay();
	149
	150	// Spare change days -- 6 or less
	151	if(days > 0){
	152	switch(true){
	153	// Range starts on Fri
	154	case aDay == 5:
	155	adj = -1;
	156	break;
	157	// Range starts on Sat
	158	case aDay == 6:
	159	adj = 0;
	160	break;
	161	// Range ends on Fri
	162	case bDay == 5:
	163	adj = -1;
	164	break;
	165	// Range ends on Sat
	166	case bDay == 6:
	167	adj = -2;
	168	break;
	169	// Range contains weekend
	170	case (dayMark + mod) > 5:
	171	adj = -2;
	172	}
	173	}else if(days < 0){
	174	switch(true){
	175	// Range starts on Fri
	176	case aDay == 5:
	177	adj = 0;
	178	break;
	179	// Range starts on Sat
	180	case aDay == 6:
	181	adj = 1;
	182	break;
	183	// Range ends on Fri
	184	case bDay == 5:
	185	adj = 2;
	186	break;
	187	// Range ends on Sat
	188	case bDay == 6:
	189	adj = 1;
	190	break;
	191	// Range contains weekend
	192	case (dayMark + mod) < 0:
	193	adj = 2;
	194	}
	195	}
	196	days += adj;
	197	days -= (weeks*2);
	198	}
	199	delta = days;
	200	break;
	201	case "year":
	202	delta = yearDiff;
	203	break;
	204	case "month":
	205	var startdate = (date2.toGregorian() > date1.toGregorian()) ? date2 : date1; // more
	206	var enddate = (date2.toGregorian() > date1.toGregorian()) ? date1 : date2;
	207
	208	var month1 = startdate.getMonth();
	209	var month2 = enddate.getMonth();
	210
	211	if(yearDiff == 0){
	212	delta = ( !date2.isLeapYear(date2.getFullYear()) && startdate.getMonth() > 5 && enddate.getMonth() <=5) ? (startdate.getMonth() - enddate.getMonth() - 1) :
	213	(startdate.getMonth() - enddate.getMonth() );
	214	}else{
	215	delta = (!enddate.isLeapYear(enddate.getFullYear()) && month2 < 6) ? (13-month2-1) : (13-month2);
	216	delta += (!startdate.isLeapYear(startdate.getFullYear()) && month1 > 5) ? (month1 -1): month1;
	217	var i = enddate.getFullYear() + 1;
	218	var e = startdate.getFullYear();
	219	for (i; i < e; i++){
	220	delta += enddate.isLeapYear(i) ? 13 : 12;
	221	}
	222	}
	223	if(date2.toGregorian() < date1.toGregorian()){
	224	delta = -delta;
	225	}
	226	break;
	227	case "week":
	228	// Truncate instead of rounding
	229	// Don't use Math.floor -- value may be negative
	230	delta = parseInt(dhebrew.difference(date1, date2, "day")/7);
	231	break;
	232	case "day":
	233	delta /= 24;
	234	// fallthrough
	235	case "hour":
	236	delta /= 60;
	237	// fallthrough
	238	case "minute":
	239	delta /= 60;
	240	// fallthrough
	241	case "second":
	242	delta /= 1000;
	243	// fallthrough
	244	case "millisecond":
	245	delta *= date2.toGregorian().getTime()- date1.toGregorian().getTime();
	246	}
	247
	248	// Round for fractional values and DST leaps
	249	return Math.round(delta); // Number (integer)
	250	};
	251	return dhebrew;
	252	});

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