--- /dev/null
+/*
+ * Date prototype extensions. Doesn't depend on any
+ * other code. Doens't overwrite existing methods.
+ *
+ * Adds dayNames, abbrDayNames, monthNames and abbrMonthNames static properties and isLeapYear,
+ * isWeekend, isWeekDay, getDaysInMonth, getDayName, getMonthName, getDayOfYear, getWeekOfYear,
+ * setDayOfYear, addYears, addMonths, addDays, addHours, addMinutes, addSeconds methods
+ *
+ * Copyright (c) 2006 Jörn Zaefferer and Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
+ *
+ * Additional methods and properties added by Kelvin Luck: firstDayOfWeek, dateFormat, zeroTime, asString, fromString -
+ * I've added my name to these methods so you know who to blame if they are broken!
+ *
+ * Dual licensed under the MIT and GPL licenses:
+ * http://www.opensource.org/licenses/mit-license.php
+ * http://www.gnu.org/licenses/gpl.html
+ *
+ */
+
+/**
+ * An Array of day names starting with Sunday.
+ *
+ * @example dayNames[0]
+ * @result 'Sunday'
+ *
+ * @name dayNames
+ * @type Array
+ * @cat Plugins/Methods/Date
+ */
+Date.dayNames = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
+
+/**
+ * An Array of abbreviated day names starting with Sun.
+ *
+ * @example abbrDayNames[0]
+ * @result 'Sun'
+ *
+ * @name abbrDayNames
+ * @type Array
+ * @cat Plugins/Methods/Date
+ */
+Date.abbrDayNames = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
+
+/**
+ * An Array of month names starting with Janurary.
+ *
+ * @example monthNames[0]
+ * @result 'January'
+ *
+ * @name monthNames
+ * @type Array
+ * @cat Plugins/Methods/Date
+ */
+Date.monthNames = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
+
+/**
+ * An Array of abbreviated month names starting with Jan.
+ *
+ * @example abbrMonthNames[0]
+ * @result 'Jan'
+ *
+ * @name monthNames
+ * @type Array
+ * @cat Plugins/Methods/Date
+ */
+Date.abbrMonthNames = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+
+/**
+ * The first day of the week for this locale.
+ *
+ * @name firstDayOfWeek
+ * @type Number
+ * @cat Plugins/Methods/Date
+ * @author Kelvin Luck
+ */
+Date.firstDayOfWeek = 1;
+
+/**
+ * The format that string dates should be represented as (e.g. 'dd/mm/yyyy' for UK, 'mm/dd/yyyy' for US, 'yyyy-mm-dd' for Unicode etc).
+ *
+ * @name format
+ * @type String
+ * @cat Plugins/Methods/Date
+ * @author Kelvin Luck
+ */
+Date.format = 'dd/mm/yyyy';
+//Date.format = 'mm/dd/yyyy';
+//Date.format = 'yyyy-mm-dd';
+//Date.format = 'dd mmm yy';
+
+/**
+ * The first two numbers in the century to be used when decoding a two digit year. Since a two digit year is ambiguous (and date.setYear
+ * only works with numbers < 99 and so doesn't allow you to set years after 2000) we need to use this to disambiguate the two digit year codes.
+ *
+ * @name format
+ * @type String
+ * @cat Plugins/Methods/Date
+ * @author Kelvin Luck
+ */
+Date.fullYearStart = '20';
+
+(function() {
+
+ /**
+ * Adds a given method under the given name
+ * to the Date prototype if it doesn't
+ * currently exist.
+ *
+ * @private
+ */
+ function add(name, method) {
+ if( !Date.prototype[name] ) {
+ Date.prototype[name] = method;
+ }
+ };
+
+ /**
+ * Checks if the year is a leap year.
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.isLeapYear();
+ * @result true
+ *
+ * @name isLeapYear
+ * @type Boolean
+ * @cat Plugins/Methods/Date
+ */
+ add("isLeapYear", function() {
+ var y = this.getFullYear();
+ return (y%4==0 && y%100!=0) || y%400==0;
+ });
+
+ /**
+ * Checks if the day is a weekend day (Sat or Sun).
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.isWeekend();
+ * @result false
+ *
+ * @name isWeekend
+ * @type Boolean
+ * @cat Plugins/Methods/Date
+ */
+ add("isWeekend", function() {
+ return this.getDay()==0 || this.getDay()==6;
+ });
+
+ /**
+ * Check if the day is a day of the week (Mon-Fri)
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.isWeekDay();
+ * @result false
+ *
+ * @name isWeekDay
+ * @type Boolean
+ * @cat Plugins/Methods/Date
+ */
+ add("isWeekDay", function() {
+ return !this.isWeekend();
+ });
+
+ /**
+ * Gets the number of days in the month.
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.getDaysInMonth();
+ * @result 31
+ *
+ * @name getDaysInMonth
+ * @type Number
+ * @cat Plugins/Methods/Date
+ */
+ add("getDaysInMonth", function() {
+ return [31,(this.isLeapYear() ? 29:28),31,30,31,30,31,31,30,31,30,31][this.getMonth()];
+ });
+
+ /**
+ * Gets the name of the day.
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.getDayName();
+ * @result 'Saturday'
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.getDayName(true);
+ * @result 'Sat'
+ *
+ * @param abbreviated Boolean When set to true the name will be abbreviated.
+ * @name getDayName
+ * @type String
+ * @cat Plugins/Methods/Date
+ */
+ add("getDayName", function(abbreviated) {
+ return abbreviated ? Date.abbrDayNames[this.getDay()] : Date.dayNames[this.getDay()];
+ });
+
+ /**
+ * Gets the name of the month.
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.getMonthName();
+ * @result 'Janurary'
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.getMonthName(true);
+ * @result 'Jan'
+ *
+ * @param abbreviated Boolean When set to true the name will be abbreviated.
+ * @name getDayName
+ * @type String
+ * @cat Plugins/Methods/Date
+ */
+ add("getMonthName", function(abbreviated) {
+ return abbreviated ? Date.abbrMonthNames[this.getMonth()] : Date.monthNames[this.getMonth()];
+ });
+
+ /**
+ * Get the number of the day of the year.
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.getDayOfYear();
+ * @result 11
+ *
+ * @name getDayOfYear
+ * @type Number
+ * @cat Plugins/Methods/Date
+ */
+ add("getDayOfYear", function() {
+ var tmpdtm = new Date("1/1/" + this.getFullYear());
+ return Math.floor((this.getTime() - tmpdtm.getTime()) / 86400000);
+ });
+
+ /**
+ * Get the number of the week of the year.
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.getWeekOfYear();
+ * @result 2
+ *
+ * @name getWeekOfYear
+ * @type Number
+ * @cat Plugins/Methods/Date
+ */
+ add("getWeekOfYear", function() {
+ return Math.ceil(this.getDayOfYear() / 7);
+ });
+
+ /**
+ * Set the day of the year.
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.setDayOfYear(1);
+ * dtm.toString();
+ * @result 'Tue Jan 01 2008 00:00:00'
+ *
+ * @name setDayOfYear
+ * @type Date
+ * @cat Plugins/Methods/Date
+ */
+ add("setDayOfYear", function(day) {
+ this.setMonth(0);
+ this.setDate(day);
+ return this;
+ });
+
+ /**
+ * Add a number of years to the date object.
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.addYears(1);
+ * dtm.toString();
+ * @result 'Mon Jan 12 2009 00:00:00'
+ *
+ * @name addYears
+ * @type Date
+ * @cat Plugins/Methods/Date
+ */
+ add("addYears", function(num) {
+ this.setFullYear(this.getFullYear() + num);
+ return this;
+ });
+
+ /**
+ * Add a number of months to the date object.
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.addMonths(1);
+ * dtm.toString();
+ * @result 'Tue Feb 12 2008 00:00:00'
+ *
+ * @name addMonths
+ * @type Date
+ * @cat Plugins/Methods/Date
+ */
+ add("addMonths", function(num) {
+ var tmpdtm = this.getDate();
+
+ this.setMonth(this.getMonth() + num);
+
+ if (tmpdtm > this.getDate())
+ this.addDays(-this.getDate());
+
+ return this;
+ });
+
+ /**
+ * Add a number of days to the date object.
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.addDays(1);
+ * dtm.toString();
+ * @result 'Sun Jan 13 2008 00:00:00'
+ *
+ * @name addDays
+ * @type Date
+ * @cat Plugins/Methods/Date
+ */
+ add("addDays", function(num) {
+ //this.setDate(this.getDate() + num);
+ this.setTime(this.getTime() + (num*86400000) );
+ return this;
+ });
+
+ /**
+ * Add a number of hours to the date object.
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.addHours(24);
+ * dtm.toString();
+ * @result 'Sun Jan 13 2008 00:00:00'
+ *
+ * @name addHours
+ * @type Date
+ * @cat Plugins/Methods/Date
+ */
+ add("addHours", function(num) {
+ this.setHours(this.getHours() + num);
+ return this;
+ });
+
+ /**
+ * Add a number of minutes to the date object.
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.addMinutes(60);
+ * dtm.toString();
+ * @result 'Sat Jan 12 2008 01:00:00'
+ *
+ * @name addMinutes
+ * @type Date
+ * @cat Plugins/Methods/Date
+ */
+ add("addMinutes", function(num) {
+ this.setMinutes(this.getMinutes() + num);
+ return this;
+ });
+
+ /**
+ * Add a number of seconds to the date object.
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.addSeconds(60);
+ * dtm.toString();
+ * @result 'Sat Jan 12 2008 00:01:00'
+ *
+ * @name addSeconds
+ * @type Date
+ * @cat Plugins/Methods/Date
+ */
+ add("addSeconds", function(num) {
+ this.setSeconds(this.getSeconds() + num);
+ return this;
+ });
+
+ /**
+ * Sets the time component of this Date to zero for cleaner, easier comparison of dates where time is not relevant.
+ *
+ * @example var dtm = new Date();
+ * dtm.zeroTime();
+ * dtm.toString();
+ * @result 'Sat Jan 12 2008 00:01:00'
+ *
+ * @name zeroTime
+ * @type Date
+ * @cat Plugins/Methods/Date
+ * @author Kelvin Luck
+ */
+ add("zeroTime", function() {
+ this.setMilliseconds(0);
+ this.setSeconds(0);
+ this.setMinutes(0);
+ this.setHours(0);
+ return this;
+ });
+
+ /**
+ * Returns a string representation of the date object according to Date.format.
+ * (Date.toString may be used in other places so I purposefully didn't overwrite it)
+ *
+ * @example var dtm = new Date("01/12/2008");
+ * dtm.asString();
+ * @result '12/01/2008' // (where Date.format == 'dd/mm/yyyy'
+ *
+ * @name asString
+ * @type Date
+ * @cat Plugins/Methods/Date
+ * @author Kelvin Luck
+ */
+ add("asString", function(format) {
+ var r = format || Date.format;
+ return r
+ .split('yyyy').join(this.getFullYear())
+ .split('yy').join((this.getFullYear() + '').substring(2))
+ .split('mmmm').join(this.getMonthName(false))
+ .split('mmm').join(this.getMonthName(true))
+ .split('mm').join(_zeroPad(this.getMonth()+1))\r
+ .split('dd').join(_zeroPad(this.getDate()))\r
+ .split('hh').join(_zeroPad(this.getHours()))\r
+ .split('min').join(_zeroPad(this.getMinutes()))\r
+ .split('ss').join(_zeroPad(this.getSeconds()));
+ });
+
+ /**
+ * Returns a new date object created from the passed String according to Date.format or false if the attempt to do this results in an invalid date object
+ * (We can't simple use Date.parse as it's not aware of locale and I chose not to overwrite it incase it's functionality is being relied on elsewhere)
+ *
+ * @example var dtm = Date.fromString("12/01/2008");
+ * dtm.toString();
+ * @result 'Sat Jan 12 2008 00:00:00' // (where Date.format == 'dd/mm/yyyy'
+ *
+ * @name fromString
+ * @type Date
+ * @cat Plugins/Methods/Date
+ * @author Kelvin Luck
+ */
+ Date.fromString = function(s, format)
+ {
+ var f = format || Date.format;
+ var d = new Date('01/01/1977');
+
+ var mLength = 0;
+
+ var iM = f.indexOf('mmmm');
+ if (iM > -1) {
+ for (var i=0; i<Date.monthNames.length; i++) {
+ var mStr = s.substr(iM, Date.monthNames[i].length);
+ if (Date.monthNames[i] == mStr) {
+ mLength = Date.monthNames[i].length - 4;
+ break;
+ }
+ }
+ d.setMonth(i);
+ } else {
+ iM = f.indexOf('mmm');
+ if (iM > -1) {
+ var mStr = s.substr(iM, 3);
+ for (var i=0; i<Date.abbrMonthNames.length; i++) {
+ if (Date.abbrMonthNames[i] == mStr) break;
+ }
+ d.setMonth(i);
+ } else {
+ d.setMonth(Number(s.substr(f.indexOf('mm'), 2)) - 1);
+ }
+ }
+
+ var iY = f.indexOf('yyyy');
+
+ if (iY > -1) {
+ if (iM < iY)
+ {
+ iY += mLength;
+ }
+ d.setFullYear(Number(s.substr(iY, 4)));
+ } else {
+ if (iM < iY)
+ {
+ iY += mLength;
+ }
+ // TODO - this doesn't work very well - are there any rules for what is meant by a two digit year?
+ d.setFullYear(Number(Date.fullYearStart + s.substr(f.indexOf('yy'), 2)));
+ }
+ var iD = f.indexOf('dd');
+ if (iM < iD)
+ {
+ iD += mLength;
+ }
+ d.setDate(Number(s.substr(iD, 2)));
+ if (isNaN(d.getTime())) {
+ return false;
+ }
+ return d;
+ };
+
+ // utility method
+ var _zeroPad = function(num) {
+ var s = '0'+num;
+ return s.substring(s.length-2)
+ //return ('0'+num).substring(-2); // doesn't work on IE :(
+ };
+
+})();
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git.ithinksw.org / ~kgodey / maayanwich.git / blobdiff