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/**
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* @file Special hotfix patch released by mystix on Ext development team
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* to fix known issues with the DateField class. Next release may see the
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* need to remove this.
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*/
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// private
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Date.createParser = function(format) {
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var funcName = "parse" + Date.parseFunctions.count++;
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var regexNum = Date.parseRegexes.length;
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var currentGroup = 1;
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Date.parseFunctions[format] = funcName;
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var code = "Date." + funcName + " = function(input){\n"
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+ "var y = -1, m = -1, d = -1, h = -1, i = -1, s = -1, ms = -1, o, z, u, v;\n"
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+ "input = String(input);var d = new Date();\n"
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+ "y = d.getFullYear();\n"
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+ "m = d.getMonth();\n"
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+ "d = d.getDate();\n"
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+ "var results = input.match(Date.parseRegexes[" + regexNum + "]);\n"
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+ "if (results && results.length > 0) {";
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var regex = "";
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var special = false;
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var ch = ”;
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for (var i = 0; i < format.length; ++i) {
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ch = format.charAt(i);
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if (!special && ch == "\\") {
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special = true;
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}
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else if (special) {
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special = false;
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regex += String.escape(ch);
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}
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else {
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var obj = Date.formatCodeToRegex(ch, currentGroup);
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currentGroup += obj.g;
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regex += obj.s;
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if (obj.g && obj.c) {
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code += obj.c;
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}
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}
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}
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code += "if (u){\n"
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+ "v = new Date(u * 1000);\n" // give top priority to UNIX time
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+ "}else if (y >= 0 && m >= 0 && d > 0 && h >= 0 && i >= 0 && s >= 0 && ms >= 0){\n"
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+ "v = new Date(y, m, d, h, i, s, ms);\n"
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+ "}else if (y >= 0 && m >= 0 && d > 0 && h >= 0 && i >= 0 && s >= 0){\n"
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+ "v = new Date(y, m, d, h, i, s);\n"
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+ "}else if (y >= 0 && m >= 0 && d > 0 && h >= 0 && i >= 0){\n"
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+ "v = new Date(y, m, d, h, i);\n"
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+ "}else if (y >= 0 && m >= 0 && d > 0 && h >= 0){\n"
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+ "v = new Date(y, m, d, h);\n"
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+ "}else if (y >= 0 && m >= 0 && d > 0){\n"
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+ "v = new Date(y, m, d);\n"
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+ "}else if (y >= 0 && m >= 0){\n"
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+ "v = new Date(y, m);\n"
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+ "}else if (y >= 0){\n"
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+ "v = new Date(y);\n"
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+ "}\n}\nreturn (v && (z || o))?" // favour UTC offset over GMT offset
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+ " (Ext.type(z) == ‘number’ ? v.add(Date.SECOND, -v.getTimezoneOffset() * 60 - z) :" // reset to UTC, then add offset
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+ " v.add(Date.MINUTE, -v.getTimezoneOffset() + (sn == ‘+’? -1 : 1) * (hr * 60 + mn))) : v;\n" // reset to GMT, then add offset
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+ "}";
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Date.parseRegexes[regexNum] = new RegExp("^" + regex + "$", "i");
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eval(code);
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};
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// private
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Ext.apply(Date.parseCodes, {
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j: {
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g:1,
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c:"d = parseInt(results[{0}], 10);\n",
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s:"(\\d{1,2})" // day of month without leading zeroes (1 - 31)
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},
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M: function() {
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for (var a = [], i = 0; i < 12; a.push(Date.getShortMonthName(i)), ++i); // get localised short month names
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return Ext.applyIf({
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s:"(" + a.join("|") + ")"
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}, Date.formatCodeToRegex("F"));
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},
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n: {
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g:1,
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c:"m = parseInt(results[{0}], 10) - 1;\n",
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s:"(\\d{1,2})" // month number without leading zeros (1 - 12)
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},
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o: function() {
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return Date.formatCodeToRegex("Y");
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},
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g: function() {
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return Date.formatCodeToRegex("G");
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},
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h: function() {
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return Date.formatCodeToRegex("H");
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},
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P: {
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g:1,
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c:[
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"o = results[{0}];",
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"var sn = o.substring(0,1);", // get + / - sign
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"var hr = o.substring(1,3)*1 + Math.floor(o.substring(4,6) / 60);", // get hours (performs minutes-to-hour conversion also, just in case)
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"var mn = o.substring(4,6) % 60;", // get minutes
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"o = ((-12 <= (hr*60 + mn)/60) && ((hr*60 + mn)/60 <= 14))? (sn + String.leftPad(hr, 2, ‘0′) + String.leftPad(mn, 2, ‘0′)) : null;\n" // -12hrs <= GMT offset <= 14hrs
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].join("\n"),
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s: "([+\-]\\d{2}:\\d{2})" // GMT offset in hrs and mins (with colon separator)
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}
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});
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// private
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Date.formatCodeToRegex = function(character, currentGroup) {
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// Note: currentGroup - position in regex result array (see notes for Date.parseCodes above)
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var p = Date.parseCodes[character];
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if (p) {
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p = Ext.type(p) == ‘function’? p() : p;
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Date.parseCodes[character] = p; // reassign function result to prevent repeated execution
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}
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return p? Ext.applyIf({
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c: p.c? String.format(p.c, currentGroup || "{0}") : p.c
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}, p) : {
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g:0,
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c:null,
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s:Ext.escapeRe(character) // treat unrecognised characters as literals
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}
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};
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Date.prototype.getGMTOffset = function(colon) {
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return (this.getTimezoneOffset() > 0 ? "-" : "+")
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+ String.leftPad(Math.abs(Math.floor(this.getTimezoneOffset() / 60)), 2, "0")
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+ (colon ? ":" : "")
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+ String.leftPad(Math.abs(this.getTimezoneOffset() % 60), 2, "0");
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};