From e44a7e37b6c7b5961adaffc62b9042b8d442938e Mon Sep 17 00:00:00 2001 From: mensonge Date: Thu, 13 Nov 2008 09:49:11 +0000 Subject: New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f --- includes/js/dojo/date/stamp.js | 141 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 141 insertions(+) create mode 100644 includes/js/dojo/date/stamp.js (limited to 'includes/js/dojo/date/stamp.js') diff --git a/includes/js/dojo/date/stamp.js b/includes/js/dojo/date/stamp.js new file mode 100644 index 0000000..5ac978f --- /dev/null +++ b/includes/js/dojo/date/stamp.js @@ -0,0 +1,141 @@ +if(!dojo._hasResource["dojo.date.stamp"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo.date.stamp"] = true; +dojo.provide("dojo.date.stamp"); + +// Methods to convert dates to or from a wire (string) format using well-known conventions + +dojo.date.stamp.fromISOString = function(/*String*/formattedString, /*Number?*/defaultTime){ + // summary: + // Returns a Date object given a string formatted according to a subset of the ISO-8601 standard. + // + // description: + // Accepts a string formatted according to a profile of ISO8601 as defined by + // [RFC3339](http://www.ietf.org/rfc/rfc3339.txt), except that partial input is allowed. + // Can also process dates as specified [by the W3C](http://www.w3.org/TR/NOTE-datetime) + // The following combinations are valid: + // + // * dates only + // | * yyyy + // | * yyyy-MM + // | * yyyy-MM-dd + // * times only, with an optional time zone appended + // | * THH:mm + // | * THH:mm:ss + // | * THH:mm:ss.SSS + // * and "datetimes" which could be any combination of the above + // + // timezones may be specified as Z (for UTC) or +/- followed by a time expression HH:mm + // Assumes the local time zone if not specified. Does not validate. Improperly formatted + // input may return null. Arguments which are out of bounds will be handled + // by the Date constructor (e.g. January 32nd typically gets resolved to February 1st) + // Only years between 100 and 9999 are supported. + // + // formattedString: + // A string such as 2005-06-30T08:05:00-07:00 or 2005-06-30 or T08:05:00 + // + // defaultTime: + // Used for defaults for fields omitted in the formattedString. + // Uses 1970-01-01T00:00:00.0Z by default. + + if(!dojo.date.stamp._isoRegExp){ + dojo.date.stamp._isoRegExp = +//TODO: could be more restrictive and check for 00-59, etc. + /^(?:(\d{4})(?:-(\d{2})(?:-(\d{2}))?)?)?(?:T(\d{2}):(\d{2})(?::(\d{2})(.\d+)?)?((?:[+-](\d{2}):(\d{2}))|Z)?)?$/; + } + + var match = dojo.date.stamp._isoRegExp.exec(formattedString); + var result = null; + + if(match){ + match.shift(); + if(match[1]){match[1]--;} // Javascript Date months are 0-based + if(match[6]){match[6] *= 1000;} // Javascript Date expects fractional seconds as milliseconds + + if(defaultTime){ + // mix in defaultTime. Relatively expensive, so use || operators for the fast path of defaultTime === 0 + defaultTime = new Date(defaultTime); + dojo.map(["FullYear", "Month", "Date", "Hours", "Minutes", "Seconds", "Milliseconds"], function(prop){ + return defaultTime["get" + prop](); + }).forEach(function(value, index){ + if(match[index] === undefined){ + match[index] = value; + } + }); + } + result = new Date(match[0]||1970, match[1]||0, match[2]||1, match[3]||0, match[4]||0, match[5]||0, match[6]||0); +// result.setFullYear(match[0]||1970); // for year < 100 + + var offset = 0; + var zoneSign = match[7] && match[7].charAt(0); + if(zoneSign != 'Z'){ + offset = ((match[8] || 0) * 60) + (Number(match[9]) || 0); + if(zoneSign != '-'){ offset *= -1; } + } + if(zoneSign){ + offset -= result.getTimezoneOffset(); + } + if(offset){ + result.setTime(result.getTime() + offset * 60000); + } + } + + return result; // Date or null +} + +/*===== + dojo.date.stamp.__Options = function(){ + // selector: String + // "date" or "time" for partial formatting of the Date object. + // Both date and time will be formatted by default. + // zulu: Boolean + // if true, UTC/GMT is used for a timezone + // milliseconds: Boolean + // if true, output milliseconds + this.selector = selector; + this.zulu = zulu; + this.milliseconds = milliseconds; + } +=====*/ + +dojo.date.stamp.toISOString = function(/*Date*/dateObject, /*dojo.date.stamp.__Options?*/options){ + // summary: + // Format a Date object as a string according a subset of the ISO-8601 standard + // + // description: + // When options.selector is omitted, output follows [RFC3339](http://www.ietf.org/rfc/rfc3339.txt) + // The local time zone is included as an offset from GMT, except when selector=='time' (time without a date) + // Does not check bounds. Only years between 100 and 9999 are supported. + // + // dateObject: + // A Date object + + var _ = function(n){ return (n < 10) ? "0" + n : n; }; + options = options || {}; + var formattedDate = []; + var getter = options.zulu ? "getUTC" : "get"; + var date = ""; + if(options.selector != "time"){ + var year = dateObject[getter+"FullYear"](); + date = ["0000".substr((year+"").length)+year, _(dateObject[getter+"Month"]()+1), _(dateObject[getter+"Date"]())].join('-'); + } + formattedDate.push(date); + if(options.selector != "date"){ + var time = [_(dateObject[getter+"Hours"]()), _(dateObject[getter+"Minutes"]()), _(dateObject[getter+"Seconds"]())].join(':'); + var millis = dateObject[getter+"Milliseconds"](); + if(options.milliseconds){ + time += "."+ (millis < 100 ? "0" : "") + _(millis); + } + if(options.zulu){ + time += "Z"; + }else if(options.selector != "time"){ + var timezoneOffset = dateObject.getTimezoneOffset(); + var absOffset = Math.abs(timezoneOffset); + time += (timezoneOffset > 0 ? "-" : "+") + + _(Math.floor(absOffset/60)) + ":" + _(absOffset%60); + } + formattedDate.push(time); + } + return formattedDate.join('T'); // String +} + +} -- cgit v1.2.3