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Nakorn Rientrakrunchai
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wwwroot/lib/jquery.calendars/js/jquery.calendars.nanakshahi.js
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wwwroot/lib/jquery.calendars/js/jquery.calendars.nanakshahi.js
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/* http://keith-wood.name/calendars.html
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Nanakshahi calendar for jQuery v2.1.0.
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Written by Keith Wood (wood.keith{at}optusnet.com.au) January 2016.
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Available under the MIT (http://keith-wood.name/licence.html) license.
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Please attribute the author if you use it. */
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(function($) { // Hide scope, no $ conflict
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'use strict';
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/** Implementation of the Nanakshahi calendar.
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See also <a href="https://en.wikipedia.org/wiki/Nanakshahi_calendar">https://en.wikipedia.org/wiki/Nanakshahi_calendar</a>.
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@class NanakshahiCalendar
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@param {string} [language=''] The language code (default English) for localisation. */
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function NanakshahiCalendar(language) {
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this.local = this.regionalOptions[language || ''] || this.regionalOptions[''];
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}
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NanakshahiCalendar.prototype = new $.calendars.baseCalendar();
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var gregorian = $.calendars.instance('gregorian');
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$.extend(NanakshahiCalendar.prototype, {
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/** The calendar name.
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@memberof NanakshahiCalendar */
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name: 'Nanakshahi',
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/** Julian date of start of Nanakshahi epoch: 14 March 1469 CE.
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@memberof NanakshahiCalendar */
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jdEpoch: 2257673.5,
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/** Days per month in a common year.
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@memberof NanakshahiCalendar */
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daysPerMonth: [31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 30, 30],
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/** <code>true</code> if has a year zero, <code>false</code> if not.
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@memberof NanakshahiCalendar */
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hasYearZero: false,
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/** The minimum month number.
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@memberof NanakshahiCalendar */
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minMonth: 1,
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/** The first month in the year.
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@memberof NanakshahiCalendar */
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firstMonth: 1,
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/** The minimum day number.
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@memberof NanakshahiCalendar */
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minDay: 1,
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/** Localisations for the plugin.
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Entries are objects indexed by the language code ('' being the default US/English).
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Each object has the following attributes.
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@memberof NanakshahiCalendar
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@property {string} name The calendar name.
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@property {string[]} epochs The epoch names (before/after year 0).
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@property {string[]} monthNames The long names of the months of the year.
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@property {string[]} monthNamesShort The short names of the months of the year.
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@property {string[]} dayNames The long names of the days of the week.
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@property {string[]} dayNamesShort The short names of the days of the week.
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@property {string[]} dayNamesMin The minimal names of the days of the week.
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@property {string} dateFormat The date format for this calendar.
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See the options on <a href="BaseCalendar.html#formatDate"><code>formatDate</code></a> for details.
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@property {number} firstDay The number of the first day of the week, starting at 0.
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@property {boolean} isRTL <code>true</code> if this localisation reads right-to-left. */
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regionalOptions: { // Localisations
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'': {
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name: 'Nanakshahi',
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epochs: ['BN', 'AN'],
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monthNames: ['Chet', 'Vaisakh', 'Jeth', 'Harh', 'Sawan', 'Bhadon',
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'Assu', 'Katak', 'Maghar', 'Poh', 'Magh', 'Phagun'],
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monthNamesShort: ['Che', 'Vai', 'Jet', 'Har', 'Saw', 'Bha', 'Ass', 'Kat', 'Mgr', 'Poh', 'Mgh', 'Pha'],
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dayNames: ['Somvaar', 'Mangalvar', 'Budhvaar', 'Veervaar', 'Shukarvaar', 'Sanicharvaar', 'Etvaar'],
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dayNamesShort: ['Som', 'Mangal', 'Budh', 'Veer', 'Shukar', 'Sanichar', 'Et'],
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dayNamesMin: ['So', 'Ma', 'Bu', 'Ve', 'Sh', 'Sa', 'Et'],
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digits: null,
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dateFormat: 'dd-mm-yyyy',
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firstDay: 0,
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isRTL: false
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}
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},
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/** Determine whether this date is in a leap year.
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@memberof NanakshahiCalendar
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@param {CDate|number} year The date to examine or the year to examine.
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@return {boolean} <code>true</code> if this is a leap year, <code>false</code> if not.
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@throws Error if an invalid year or a different calendar used. */
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leapYear: function(year) {
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var date = this._validate(year, this.minMonth, this.minDay,
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$.calendars.local.invalidYear || $.calendars.regionalOptions[''].invalidYear);
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return gregorian.leapYear(date.year() + (date.year() < 1 ? 1 : 0) + 1469);
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},
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/** Determine the week of the year for a date.
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@memberof NanakshahiCalendar
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@param {CDate|number} year The date to examine or the year to examine.
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@param {number} [month] The month to examine (if only <code>year</code> specified above).
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@param {number} [day] The day to examine (if only <code>year</code> specified above).
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@return {number} The week of the year.
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@throws Error if an invalid date or a different calendar used. */
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weekOfYear: function(year, month, day) {
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// Find Monday of this week starting on Monday
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var checkDate = this.newDate(year, month, day);
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checkDate.add(1 - (checkDate.dayOfWeek() || 7), 'd');
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return Math.floor((checkDate.dayOfYear() - 1) / 7) + 1;
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},
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/** Retrieve the number of days in a month.
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@memberof NanakshahiCalendar
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@param {CDate|number} year The date to examine or the year of the month.
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@param {number} [month] The month (if only <code>year</code> specified above).
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@return {number} The number of days in this month.
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@throws Error if an invalid month/year or a different calendar used. */
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daysInMonth: function(year, month) {
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var date = this._validate(year, month, this.minDay, $.calendars.local.invalidMonth);
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return this.daysPerMonth[date.month() - 1] +
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(date.month() === 12 && this.leapYear(date.year()) ? 1 : 0);
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},
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/** Determine whether this date is a week day.
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@memberof NanakshahiCalendar
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@param {CDate|number} year The date to examine or the year to examine.
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@param {number}[month] The month to examine (if only <code>year</code> specified above).
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@param {number} [day] The day to examine (if only <code>year</code> specified above).
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@return {boolean} <code>true</code> if a week day, <code>false</code> if not.
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@throws Error if an invalid date or a different calendar used. */
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weekDay: function(year, month, day) {
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return (this.dayOfWeek(year, month, day) || 7) < 6;
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},
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/** Retrieve the Julian date equivalent for this date,
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i.e. days since January 1, 4713 BCE Greenwich noon.
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@memberof NanakshahiCalendar
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@param {CDate|number} year The date to convert or the year to convert.
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@param {number} [month] The month to convert (if only <code>year</code> specified above).
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@param {number} [day] The day to convert (if only <code>year</code> specified above).
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@return {number} The equivalent Julian date.
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@throws Error if an invalid date or a different calendar used. */
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toJD: function(year, month, day) {
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var date = this._validate(year, month, day, $.calendars.local.invalidMonth);
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year = date.year();
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if (year < 0) { year++; } // No year zero
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var doy = date.day();
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for (var m = 1; m < date.month(); m++) {
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doy += this.daysPerMonth[m - 1];
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}
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return doy + gregorian.toJD(year + 1468, 3, 13);
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},
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/** Create a new date from a Julian date.
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@memberof NanakshahiCalendar
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@param {number} jd The Julian date to convert.
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@return {CDate} The equivalent date. */
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fromJD: function(jd) {
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jd = Math.floor(jd + 0.5);
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var year = Math.floor((jd - (this.jdEpoch - 1)) / 366);
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while (jd >= this.toJD(year + 1, 1, 1)) {
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year++;
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}
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var day = jd - Math.floor(this.toJD(year, 1, 1) + 0.5) + 1;
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var month = 1;
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while (day > this.daysInMonth(year, month)) {
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day -= this.daysInMonth(year, month);
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month++;
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}
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return this.newDate(year, month, day);
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}
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});
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// Nanakshahi calendar implementation
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$.calendars.calendars.nanakshahi = NanakshahiCalendar;
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})(jQuery);
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