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