1 files changed, 407 insertions, 0 deletions
diff --git a/frontend/beta/js/YUI-extensions/Date.js b/frontend/beta/js/YUI-extensions/Date.js
new file mode 100644
index 0000000..f79c8a5
--- a/dev/null
+++ b/frontend/beta/js/YUI-extensions/Date.js
@@ -0,0 +1,407 @@
+/*
+ * All the Date functions below are the excellent work of Baron Schwartz
+ * They generate precompiled functions from date formats instead of parsing and processing
+ * the format everytime you do something with a date.
+ */
+/** @ignore */
+Date.parseFunctions = {count:0};
+/** @ignore */
+Date.parseRegexes = [];
+/** @ignore */
+Date.formatFunctions = {count:0};
+
+/**
+ * Formats a date given to the supplied format - the format syntax is the same as <a href="http://www.php.net/date">PHP's date() function</a>.
+ */
+Date.prototype.dateFormat = function(format) {
+    if (Date.formatFunctions[format] == null) {
+        Date.createNewFormat(format);
+    }
+    var func = Date.formatFunctions[format];
+    return this[func]();
+};
+
+/**
+ * Same as {@link #dateFormat}
+ */
+Date.prototype.format = Date.prototype.dateFormat;
+
+/** @ignore */
+Date.createNewFormat = function(format) {
+    var funcName = "format" + Date.formatFunctions.count++;
+    Date.formatFunctions[format] = funcName;
+    var code = "Date.prototype." + funcName + " = function(){return ";
+    var special = false;
+    var ch = '';
+    for (var i = 0; i < format.length; ++i) {
+        ch = format.charAt(i);
+        if (!special && ch == "\\") {
+            special = true;
+        }
+        else if (special) {
+            special = false;
+            code += "'" + String.escape(ch) + "' + ";
+        }
+        else {
+            code += Date.getFormatCode(ch);
+        }
+    }
+    eval(code.substring(0, code.length - 3) + ";}");
+};
+
+/** @ignore */
+Date.getFormatCode = function(character) {
+    switch (character) {
+    case "d":
+        return "String.leftPad(this.getDate(), 2, '0') + ";
+    case "D":
+        return "Date.dayNames[this.getDay()].substring(0, 3) + ";
+    case "j":
+        return "this.getDate() + ";
+    case "l":
+        return "Date.dayNames[this.getDay()] + ";
+    case "S":
+        return "this.getSuffix() + ";
+    case "w":
+        return "this.getDay() + ";
+    case "z":
+        return "this.getDayOfYear() + ";
+    case "W":
+        return "this.getWeekOfYear() + ";
+    case "F":
+        return "Date.monthNames[this.getMonth()] + ";
+    case "m":
+        return "String.leftPad(this.getMonth() + 1, 2, '0') + ";
+    case "M":
+        return "Date.monthNames[this.getMonth()].substring(0, 3) + ";
+    case "n":
+        return "(this.getMonth() + 1) + ";
+    case "t":
+        return "this.getDaysInMonth() + ";
+    case "L":
+        return "(this.isLeapYear() ? 1 : 0) + ";
+    case "Y":
+        return "this.getFullYear() + ";
+    case "y":
+        return "('' + this.getFullYear()).substring(2, 4) + ";
+    case "a":
+        return "(this.getHours() < 12 ? 'am' : 'pm') + ";
+    case "A":
+        return "(this.getHours() < 12 ? 'AM' : 'PM') + ";
+    case "g":
+        return "((this.getHours() %12) ? this.getHours() % 12 : 12) + ";
+    case "G":
+        return "this.getHours() + ";
+    case "h":
+        return "String.leftPad((this.getHours() %12) ? this.getHours() % 12 : 12, 2, '0') + ";
+    case "H":
+        return "String.leftPad(this.getHours(), 2, '0') + ";
+    case "i":
+        return "String.leftPad(this.getMinutes(), 2, '0') + ";
+    case "s":
+        return "String.leftPad(this.getSeconds(), 2, '0') + ";
+    case "O":
+        return "this.getGMTOffset() + ";
+    case "T":
+        return "this.getTimezone() + ";
+    case "Z":
+        return "(this.getTimezoneOffset() * -60) + ";
+    default:
+        return "'" + String.escape(character) + "' + ";
+    };
+};
+
+/**
+ * Parses a date given the supplied format - the format syntax is the same as <a href="http://www.php.net/date">PHP's date() function</a>.
+ */
+Date.parseDate = function(input, format) {
+    if (Date.parseFunctions[format] == null) {
+        Date.createParser(format);
+    }
+    var func = Date.parseFunctions[format];
+    return Date[func](input);
+};
+
+/** @ignore */
+Date.createParser = function(format) {
+    var funcName = "parse" + Date.parseFunctions.count++;
+    var regexNum = Date.parseRegexes.length;
+    var currentGroup = 1;
+    Date.parseFunctions[format] = funcName;
+
+    var code = "Date." + funcName + " = function(input){\n"
+        + "var y = -1, m = -1, d = -1, h = -1, i = -1, s = -1;\n"
+        + "var d = new Date();\n"
+        + "y = d.getFullYear();\n"
+        + "m = d.getMonth();\n"
+        + "d = d.getDate();\n"
+        + "var results = input.match(Date.parseRegexes[" + regexNum + "]);\n"
+        + "if (results && results.length > 0) {"
+    var regex = "";
+
+    var special = false;
+    var ch = '';
+    for (var i = 0; i < format.length; ++i) {
+        ch = format.charAt(i);
+        if (!special && ch == "\\") {
+            special = true;
+        }
+        else if (special) {
+            special = false;
+            regex += String.escape(ch);
+        }
+        else {
+            obj = Date.formatCodeToRegex(ch, currentGroup);
+            currentGroup += obj.g;
+            regex += obj.s;
+            if (obj.g && obj.c) {
+                code += obj.c;
+            }
+        }
+    }
+
+    code += "if (y > 0 && m >= 0 && d > 0 && h >= 0 && i >= 0 && s >= 0)\n"
+        + "{return new Date(y, m, d, h, i, s);}\n"
+        + "else if (y > 0 && m >= 0 && d > 0 && h >= 0 && i >= 0)\n"
+        + "{return new Date(y, m, d, h, i);}\n"
+        + "else if (y > 0 && m >= 0 && d > 0 && h >= 0)\n"
+        + "{return new Date(y, m, d, h);}\n"
+        + "else if (y > 0 && m >= 0 && d > 0)\n"
+        + "{return new Date(y, m, d);}\n"
+        + "else if (y > 0 && m >= 0)\n"
+        + "{return new Date(y, m);}\n"
+        + "else if (y > 0)\n"
+        + "{return new Date(y);}\n"
+        + "}return null;}";
+
+    Date.parseRegexes[regexNum] = new RegExp("^" + regex + "$");
+    eval(code);
+};
+
+/** @ignore */
+Date.formatCodeToRegex = function(character, currentGroup) {
+    switch (character) {
+    case "D":
+        return {g:0,
+        c:null,
+        s:"(?:Sun|Mon|Tue|Wed|Thu|Fri|Sat)"};
+    case "j":
+    case "d":
+        return {g:1,
+            c:"d = parseInt(results[" + currentGroup + "], 10);\n",
+            s:"(\\d{1,2})"};
+    case "l":
+        return {g:0,
+            c:null,
+            s:"(?:" + Date.dayNames.join("|") + ")"};
+    case "S":
+        return {g:0,
+            c:null,
+            s:"(?:st|nd|rd|th)"};
+    case "w":
+        return {g:0,
+            c:null,
+            s:"\\d"};
+    case "z":
+        return {g:0,
+            c:null,
+            s:"(?:\\d{1,3})"};
+    case "W":
+        return {g:0,
+            c:null,
+            s:"(?:\\d{2})"};
+    case "F":
+        return {g:1,
+            c:"m = parseInt(Date.monthNumbers[results[" + currentGroup + "].substring(0, 3)], 10);\n",
+            s:"(" + Date.monthNames.join("|") + ")"};
+    case "M":
+        return {g:1,
+            c:"m = parseInt(Date.monthNumbers[results[" + currentGroup + "]], 10);\n",
+            s:"(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)"};
+    case "n":
+    case "m":
+        return {g:1,
+            c:"m = parseInt(results[" + currentGroup + "], 10) - 1;\n",
+            s:"(\\d{1,2})"};
+    case "t":
+        return {g:0,
+            c:null,
+            s:"\\d{1,2}"};
+    case "L":
+        return {g:0,
+            c:null,
+            s:"(?:1|0)"};
+    case "Y":
+        return {g:1,
+            c:"y = parseInt(results[" + currentGroup + "], 10);\n",
+            s:"(\\d{4})"};
+    case "y":
+        return {g:1,
+            c:"var ty = parseInt(results[" + currentGroup + "], 10);\n"
+                + "y = ty > Date.y2kYear ? 1900 + ty : 2000 + ty;\n",
+            s:"(\\d{1,2})"};
+    case "a":
+        return {g:1,
+            c:"if (results[" + currentGroup + "] == 'am') {\n"
+                + "if (h == 12) { h = 0; }\n"
+                + "} else { if (h < 12) { h += 12; }}",
+            s:"(am|pm)"};
+    case "A":
+        return {g:1,
+            c:"if (results[" + currentGroup + "] == 'AM') {\n"
+                + "if (h == 12) { h = 0; }\n"
+                + "} else { if (h < 12) { h += 12; }}",
+            s:"(AM|PM)"};
+    case "g":
+    case "G":
+    case "h":
+    case "H":
+        return {g:1,
+            c:"h = parseInt(results[" + currentGroup + "], 10);\n",
+            s:"(\\d{1,2})"};
+    case "i":
+        return {g:1,
+            c:"i = parseInt(results[" + currentGroup + "], 10);\n",
+            s:"(\\d{2})"};
+    case "s":
+        return {g:1,
+            c:"s = parseInt(results[" + currentGroup + "], 10);\n",
+            s:"(\\d{2})"};
+    case "O":
+        return {g:0,
+            c:null,
+            s:"[+-]\\d{4}"};
+    case "T":
+        return {g:0,
+            c:null,
+            s:"[A-Z]{3}"};
+    case "Z":
+        return {g:0,
+            c:null,
+            s:"[+-]\\d{1,5}"};
+    default:
+        return {g:0,
+            c:null,
+            s:String.escape(character)};
+    }
+};
+
+Date.prototype.getTimezone = function() {
+    return this.toString().replace(
+        /^.*? ([A-Z]{3}) [0-9]{4}.*$/, "$1").replace(
+        /^.*?\(([A-Z])[a-z]+ ([A-Z])[a-z]+ ([A-Z])[a-z]+\)$/, "$1$2$3");
+};
+
+Date.prototype.getGMTOffset = function() {
+    return (this.getTimezoneOffset() > 0 ? "-" : "+")
+        + String.leftPad(Math.floor(this.getTimezoneOffset() / 60), 2, "0")
+        + String.leftPad(this.getTimezoneOffset() % 60, 2, "0");
+};
+
+Date.prototype.getDayOfYear = function() {
+    var num = 0;
+    Date.daysInMonth[1] = this.isLeapYear() ? 29 : 28;
+    for (var i = 0; i < this.getMonth(); ++i) {
+        num += Date.daysInMonth[i];
+    }
+    return num + this.getDate() - 1;
+};
+
+Date.prototype.getWeekOfYear = function() {
+    // Skip to Thursday of this week
+    var now = this.getDayOfYear() + (4 - this.getDay());
+    // Find the first Thursday of the year
+    var jan1 = new Date(this.getFullYear(), 0, 1);
+    var then = (7 - jan1.getDay() + 4);
+    return String.leftPad(((now - then) / 7) + 1, 2, "0");
+};
+
+Date.prototype.isLeapYear = function() {
+    var year = this.getFullYear();
+    return ((year & 3) == 0 && (year % 100 || (year % 400 == 0 && year)));
+};
+
+Date.prototype.getFirstDayOfMonth = function() {
+    var day = (this.getDay() - (this.getDate() - 1)) % 7;
+    return (day < 0) ? (day + 7) : day;
+};
+
+Date.prototype.getLastDayOfMonth = function() {
+    var day = (this.getDay() + (Date.daysInMonth[this.getMonth()] - this.getDate())) % 7;
+    return (day < 0) ? (day + 7) : day;
+};
+
+Date.prototype.getDaysInMonth = function() {
+    Date.daysInMonth[1] = this.isLeapYear() ? 29 : 28;
+    return Date.daysInMonth[this.getMonth()];
+};
+
+/** @ignore */
+Date.prototype.getSuffix = function() {
+    switch (this.getDate()) {
+        case 1:
+        case 21:
+        case 31:
+            return "st";
+        case 2:
+        case 22:
+            return "nd";
+        case 3:
+        case 23:
+            return "rd";
+        default:
+            return "th";
+    }
+};
+
+/** @ignore */
+Date.daysInMonth = [31,28,31,30,31,30,31,31,30,31,30,31];
+
+/**
+ * Override these values for international dates, for example...
+ * Date.monthNames = ['JanInYourLang', 'FebInYourLang', ...];
+ */
+Date.monthNames =
+   ["January",
+    "February",
+    "March",
+    "April",
+    "May",
+    "June",
+    "July",
+    "August",
+    "September",
+    "October",
+    "November",
+    "December"];
+    
+/**
+ * Override these values for international dates, for example...
+ * Date.dayNames = ['SundayInYourLang', 'MondayInYourLang', ...];
+ */
+Date.dayNames =
+   ["Sunday",
+    "Monday",
+    "Tuesday",
+    "Wednesday",
+    "Thursday",
+    "Friday",
+    "Saturday"];
+
+/** @ignore */
+Date.y2kYear = 50;
+
+/** @ignore */
+Date.monthNumbers = {
+    Jan:0,
+    Feb:1,
+    Mar:2,
+    Apr:3,
+    May:4,
+    Jun:5,
+    Jul:6,
+    Aug:7,
+    Sep:8,
+    Oct:9,
+    Nov:10,
+    Dec:11};