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liceo-ariosto/media/system/js/fields/calendar-locales/date/gregorian/date-helper.js
2025-06-17 11:53:18 +02:00

419 lines
14 KiB
JavaScript

!(function(Date){
'use strict';
var localNumbers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
/****************** Gregorian dates ********************/
/** Constants used for time computations */
Date.SECOND = 1000 /* milliseconds */;
Date.MINUTE = 60 * Date.SECOND;
Date.HOUR = 60 * Date.MINUTE;
Date.DAY = 24 * Date.HOUR;
Date.WEEK = 7 * Date.DAY;
/** MODIFY ONLY THE MARKED PARTS OF THE METHODS **/
/************ START *************/
/** INTERFACE METHODS FOR THE CALENDAR PICKER **/
/********************** *************************/
/**************** SETTERS ***********************/
/********************** *************************/
/** Sets the date for the current date without h/m/s. */
Date.prototype.setLocalDateOnly = function (dateType, date) {
if (dateType != 'gregorian') {
/** Modify to match the current calendar when overriding **/
return '';
} else {
var tmp = new Date(date);
this.setDate(1);
this.setFullYear(tmp.getFullYear());
this.setMonth(tmp.getMonth());
this.setDate(tmp.getDate());
}
};
/** Sets the full date for the current date. */
Date.prototype.setLocalDate = function (dateType, d) {
if (dateType != 'gregorian') {
/** Modify to match the current calendar when overriding **/
return '';
} else {
return this.setDate(d);
}
};
/** Sets the month for the current date. */
Date.prototype.setLocalMonth = function (dateType, m, d) {
if (dateType != 'gregorian') {
/** Modify to match the current calendar when overriding **/
return '';
} else {
if (d == undefined) this.getDate();
return this.setMonth(m);
}
};
/** Sets the year for the current date. */
Date.prototype.setOtherFullYear = function(dateType, y) {
if (dateType != 'gregorian') {
/** Modify to match the current calendar when overriding **/
return '';
} else {
var date = new Date(this);
date.setFullYear(y);
if (date.getMonth() != this.getMonth()) this.setDate(28);
return this.setUTCFullYear(y);
}
};
/** Sets the year for the current date. */
Date.prototype.setLocalFullYear = function (dateType, y) {
if (dateType != 'gregorian') {
/** Modify to match the current calendar when overriding **/
return '';
} else {
var date = new Date(this);
date.setFullYear(y);
if (date.getMonth() != this.getMonth()) this.setDate(28);
return this.setFullYear(y);
}
};
/********************** *************************/
/**************** GETTERS ***********************/
/********************** *************************/
/** The number of days per week **/
Date.prototype.getLocalWeekDays = function (dateType, y) {
if (dateType != 'gregorian') {
/** Modify to match the current calendar when overriding **/
return 6;
} else {
return 6; // 7 days per week
}
};
/** Returns the year for the current date. */
Date.prototype.getOtherFullYear = function (dateType) {
if (dateType != 'gregorian') {
/** Modify to match the current calendar when overriding **/
return '';
} else {
return this.getFullYear();
}
};
/** Returns the year for the current date. */
Date.prototype.getLocalFullYear = function (dateType) {
if (dateType != 'gregorian') {
/** Modify to match the current calendar when overriding **/
return '';
} else {
return this.getFullYear();
}
};
/** Returns the month the date. */
Date.prototype.getLocalMonth = function (dateType) {
if (dateType != 'gregorian') {
/** Modify to match the current calendar when overriding **/
return '';
} else {
return this.getMonth();
}
};
/** Returns the date. */
Date.prototype.getLocalDate = function (dateType) {
if (dateType != 'gregorian') {
/** Modify to match the current calendar when overriding **/
return '';
} else {
return this.getDate();
}
};
/** Returns the number of day in the year. */
Date.prototype.getLocalDay = function(dateType) {
if (dateType != 'gregorian') {
return '';
} else {
return this.getDay();
}
};
/** Returns the number of days in the current month */
Date.prototype.getLocalMonthDays = function(dateType, month) {
if (dateType != 'gregorian') {
/** Modify to match the current calendar when overriding **/
return '';
} else {
var year = this.getFullYear();
if (typeof month == "undefined") {
month = this.getMonth();
}
if (((0 == (year%4)) && ( (0 != (year%100)) || (0 == (year%400)))) && month == 1) {
return 29;
} else {
return [31,28,31,30,31,30,31,31,30,31,30,31][month];
}
}
};
/** Returns the week number for the current date. */
Date.prototype.getLocalWeekNumber = function(dateType) {
if (dateType != 'gregorian') {
/** Modify to match the current calendar when overriding **/
return '';
} else {
var d = new Date(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
var DoW = d.getDay();
d.setDate(d.getDate() - (DoW + 6) % 7 + 3); // Nearest Thu
var ms = d.valueOf(); // GMT
d.setMonth(0);
d.setDate(4); // Thu in Week 1
return Math.round((ms - d.valueOf()) / (7 * 864e5)) + 1;
}
};
/** Returns the number of day in the year. */
Date.prototype.getLocalDayOfYear = function(dateType) {
if (dateType != 'gregorian') {
return '';
} else {
var now = new Date(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
var then = new Date(this.getFullYear(), 0, 0, 0, 0, 0);
var time = now - then;
return Math.floor(time / Date.DAY);
}
};
/** Checks date and time equality */
Date.prototype.equalsTo = function(date) {
return ((this.getFullYear() == date.getFullYear()) &&
(this.getMonth() == date.getMonth()) &&
(this.getDate() == date.getDate()) &&
(this.getHours() == date.getHours()) &&
(this.getMinutes() == date.getMinutes()));
};
/** Converts foreign date to gregorian date. */
Date.localCalToGregorian = function(y, m, d) {
/** Modify to match the current calendar when overriding **/
return'';
};
/** Converts gregorian date to foreign date. */
Date.gregorianToLocalCal = function(y, m, d) {
/** Modify to match the current calendar when overriding **/
return '';
};
/** Method to convert numbers to local symbols. */
Date.convertNumbers = function(str) {
str = str.toString();
for (var i = 0, l = localNumbers.length; i < l; i++) {
str = str.replace(new RegExp(i, 'g'), localNumbers[i]);
}
return str;
};
/** Translates to english numbers a string. */
Date.toEnglish = function(str) {
str = this.toString();
var nums = [0,1,2,3,4,5,6,7,8,9];
for (var i = 0; i < 10; i++) {
str = str.replace(new RegExp(nums[i], 'g'), i);
}
return str;
};
/** Order the months from Gergorian to the calendar order */
Date.monthsToLocalOrder = function(months) {
return months;
};
/** INTERFACE METHODS FOR THE CALENDAR PICKER **/
/************* END **************/
/** Method to parse a string and return a date. **/
Date.parseFieldDate = function(str, fmt, dateType, localStrings) {
if (dateType != 'gregorian')
str = Date.toEnglish(str);
var today = new Date();
var y = 0;
var m = -1;
var d = 0;
var a = str.split(/\W+/);
var b = fmt.match(/%./g);
var i = 0, j = 0;
var hr = 0;
var min = 0;
var sec = 0;
for (i = 0; i < a.length; ++i) {
if (!a[i])
continue;
switch (b[i]) {
case "%d":
case "%e":
d = parseInt(a[i], 10);
break;
case "%m":
m = parseInt(a[i], 10) - 1;
break;
case "%Y":
case "%y":
y = parseInt(a[i], 10);
(y < 100) && (y += (y > 29) ? 1900 : 2000);
break;
case "%b":
case "%B":
for (j = 0; j < 12; ++j) {
if (localStrings.months[j].substr(0, a[i].length).toLowerCase() === a[i].toLowerCase()) {
m = j;
break;
}
}
break;
case "%H":
case "%I":
case "%k":
case "%l":
hr = parseInt(a[i], 10);
break;
case "%P":
case "%p":
if (/pm/i.test(a[i]) && hr < 12)
hr += 12;
else if (/am/i.test(a[i]) && hr >= 12)
hr -= 12;
break;
case "%M":
min = parseInt(a[i], 10);
break;
case "%S":
sec = parseInt(a[i], 10);
break;
}
}
if (isNaN(y)) y = today.getFullYear();
if (isNaN(m)) m = today.getMonth();
if (isNaN(d)) d = today.getDate();
if (isNaN(hr)) hr = today.getHours();
if (isNaN(min)) min = today.getMinutes();
if (isNaN(sec)) sec = today.getSeconds();
if (y != 0 && m != -1 && d != 0)
return new Date(y, m, d, hr, min, sec);
y = 0; m = -1; d = 0;
for (i = 0; i < a.length; ++i) {
if (a[i].search(/[a-zA-Z]+/) != -1) {
var t = -1;
for (j = 0; j < 12; ++j) {
if (localStrings.months[j].substr(0, a[i].length).toLowerCase() === a[i].toLowerCase()) {
t = j;
break;
}
}
if (t != -1) {
if (m != -1) {
d = m+1;
}
m = t;
}
} else if (parseInt(a[i], 10) <= 12 && m == -1) {
m = a[i]-1;
} else if (parseInt(a[i], 10) > 31 && y == 0) {
y = parseInt(a[i], 10);
(y < 100) && (y += (y > 29) ? 1900 : 2000);
} else if (d == 0) {
d = a[i];
}
}
if (y == 0)
y = today.getFullYear();
if (m != -1 && d != 0)
return new Date(y, m, d, hr, min, sec);
return today;
};
/** Prints the date in a string according to the given format. */
Date.prototype.print = function (str, dateType, translate, localStrings) {
/** Handle calendar type **/
if (typeof dateType !== 'string') str = '';
if (!dateType) dateType = 'gregorian';
/** Handle wrong format **/
if (typeof str !== 'string') str = '';
if (!str) return '';
if (this.getLocalDate(dateType) == 'NaN' || !this.getLocalDate(dateType)) return '';
var m = this.getLocalMonth(dateType);
var d = this.getLocalDate(dateType);
var y = this.getLocalFullYear(dateType);
var wn = this.getLocalWeekNumber(dateType);
var w = this.getDay();
var s = {};
var hr = this.getHours();
var pm = (hr >= 12);
var ir = (pm) ? (hr - 12) : hr;
var dy = this.getLocalDayOfYear(dateType);
if (ir == 0)
ir = 12;
var min = this.getMinutes();
var sec = this.getSeconds();
s["%a"] = localStrings.shortDays[w]; // abbreviated weekday name
s["%A"] = localStrings.days[w]; // full weekday name
s["%b"] = localStrings.shortMonths[m]; // abbreviated month name
s["%B"] = localStrings.months[m]; // full month name
// FIXME: %c : preferred date and time representation for the current locale
s["%C"] = 1 + Math.floor(y / 100); // the century number
s["%d"] = (d < 10) ? ("0" + d) : d; // the day of the month (range 01 to 31)
s["%e"] = d; // the day of the month (range 1 to 31)
// FIXME: %D : american date style: %m/%d/%y
// FIXME: %E, %F, %G, %g, %h (man strftime)
s["%H"] = (hr < 10) ? ("0" + hr) : hr; // hour, range 00 to 23 (24h format)
s["%I"] = (ir < 10) ? ("0" + ir) : ir; // hour, range 01 to 12 (12h format)
s["%j"] = (dy < 100) ? ((dy < 10) ? ("00" + dy) : ("0" + dy)) : dy; // day of the year (range 001 to 366)
s["%k"] = hr; // hour, range 0 to 23 (24h format)
s["%l"] = ir; // hour, range 1 to 12 (12h format)
s["%m"] = (m < 9) ? ("0" + (1+m)) : (1+m); // month, range 01 to 12
s["%M"] = (min < 10) ? ("0" + min) : min; // minute, range 00 to 59
s["%n"] = "\n"; // a newline character
s["%p"] = pm ? localStrings.pm.toUpperCase() : localStrings.am.toUpperCase();
s["%P"] = pm ? localStrings.pm : localStrings.am;
// FIXME: %r : the time in am/pm notation %I:%M:%S %p
// FIXME: %R : the time in 24-hour notation %H:%M
s["%s"] = Math.floor(this.getTime() / 1000);
s["%S"] = (sec < 10) ? ("0" + sec) : sec; // seconds, range 00 to 59
s["%t"] = "\t"; // a tab character
// FIXME: %T : the time in 24-hour notation (%H:%M:%S)
s["%U"] = s["%W"] = s["%V"] = (wn < 10) ? ("0" + wn) : wn;
s["%u"] = w + 1; // the day of the week (range 1 to 7, 1 = MON)
s["%w"] = w; // the day of the week (range 0 to 6, 0 = SUN)
// FIXME: %x : preferred date representation for the current locale without the time
// FIXME: %X : preferred time representation for the current locale without the date
s["%y"] = ('' + y).substr(2, 2); // year without the century (range 00 to 99)
s["%Y"] = y; // year with the century
s["%%"] = "%"; // a literal '%' character
var re = /%./g;
var tmpDate = str.replace(re, function (par) { return s[par] || par; });
if (dateType != 'gregorian' && translate) {
tmpDate = Date.convertNumbers(tmpDate);
}
return tmpDate;
};
})(Date);