diff options
Diffstat (limited to 'gitweb/static/js/lib')
| -rw-r--r-- | gitweb/static/js/lib/common-lib.js | 133 | ||||
| -rw-r--r-- | gitweb/static/js/lib/cookies.js | 114 | ||||
| -rw-r--r-- | gitweb/static/js/lib/datetime.js | 176 |
3 files changed, 375 insertions, 48 deletions
diff --git a/gitweb/static/js/lib/common-lib.js b/gitweb/static/js/lib/common-lib.js index 38f3b9e144..018bbb7d4c 100644 --- a/gitweb/static/js/lib/common-lib.js +++ b/gitweb/static/js/lib/common-lib.js @@ -13,17 +13,23 @@ /* Padding */ /** - * pad number N with nonbreakable spaces on the left, to WIDTH characters + * pad INPUT on the left with STR that is assumed to have visible + * width of single character (for example nonbreakable spaces), + * to WIDTH characters + * * example: padLeftStr(12, 3, '\u00A0') == '\u00A012' * ('\u00A0' is nonbreakable space) * * @param {Number|String} input: number to pad * @param {Number} width: visible width of output - * @param {String} str: string to prefix to string, e.g. '\u00A0' - * @returns {String} INPUT prefixed with (WIDTH - INPUT.length) x STR + * @param {String} str: string to prefix to string, defaults to '\u00A0' + * @returns {String} INPUT prefixed with STR x (WIDTH - INPUT.length) */ function padLeftStr(input, width, str) { var prefix = ''; + if (typeof str === 'undefined') { + ch = '\u00A0'; // using ' ' doesn't work in all browsers + } width -= input.toString().length; while (width > 0) { @@ -34,17 +40,22 @@ function padLeftStr(input, width, str) { } /** - * Pad INPUT on the left to SIZE width, using given padding character CH, - * for example padLeft('a', 3, '_') is '__a'. + * Pad INPUT on the left to WIDTH, using given padding character CH, + * for example padLeft('a', 3, '_') is '__a' + * padLeft(4, 2) is '04' (same as padLeft(4, 2, '0')) * * @param {String} input: input value converted to string. * @param {Number} width: desired length of output. - * @param {String} ch: single character to prefix to string. + * @param {String} ch: single character to prefix to string, defaults to '0'. * * @returns {String} Modified string, at least SIZE length. */ function padLeft(input, width, ch) { var s = input + ""; + if (typeof ch === 'undefined') { + ch = '0'; + } + while (s.length < width) { s = ch + s; } @@ -53,7 +64,7 @@ function padLeft(input, width, ch) { /* ............................................................ */ -/* Ajax */ +/* Handling browser incompatibilities */ /** * Create XMLHttpRequest object in cross-browser way @@ -77,55 +88,80 @@ function createRequestObject() { } -/* ............................................................ */ -/* time and data */ - /** - * used to extract hours and minutes from timezone info, e.g '-0900' - * @constant - */ -var tzRe = /^([+-])([0-9][0-9])([0-9][0-9])$/; - -/** - * convert numeric timezone +/-ZZZZ to offset from UTC in seconds - * - * @param {String} timezoneInfo: numeric timezone '(+|-)HHMM' - * @returns {Number} offset from UTC in seconds for timezone + * Insert rule giving specified STYLE to given SELECTOR at the end of + * first CSS stylesheet. * - * @globals tzRe + * @param {String} selector: CSS selector, e.g. '.class' + * @param {String} style: rule contents, e.g. 'background-color: red;' */ -function timezoneOffset(timezoneInfo) { - var match = tzRe.exec(timezoneInfo); - var tz_sign = (match[1] === '-' ? -1 : +1); - var tz_hour = parseInt(match[2],10); - var tz_min = parseInt(match[3],10); +function addCssRule(selector, style) { + var stylesheet = document.styleSheets[0]; + + var theRules = []; + if (stylesheet.cssRules) { // W3C way + theRules = stylesheet.cssRules; + } else if (stylesheet.rules) { // IE way + theRules = stylesheet.rules; + } - return tz_sign*(((tz_hour*60) + tz_min)*60); + if (stylesheet.insertRule) { // W3C way + stylesheet.insertRule(selector + ' { ' + style + ' }', theRules.length); + } else if (stylesheet.addRule) { // IE way + stylesheet.addRule(selector, style); + } } + +/* ............................................................ */ +/* Support for legacy browsers */ + /** - * return date in local time formatted in iso-8601 like format - * 'yyyy-mm-dd HH:MM:SS +/-ZZZZ' e.g. '2005-08-07 21:49:46 +0200' + * Provides getElementsByClassName method, if there is no native + * implementation of this method. + * + * NOTE that there are limits and differences compared to native + * getElementsByClassName as defined by e.g.: + * https://developer.mozilla.org/en/DOM/document.getElementsByClassName + * http://www.whatwg.org/specs/web-apps/current-work/multipage/dom.html#dom-getelementsbyclassname + * http://www.whatwg.org/specs/web-apps/current-work/multipage/dom.html#dom-document-getelementsbyclassname * - * @param {Number} epoch: seconds since '00:00:00 1970-01-01 UTC' - * @param {String} timezoneInfo: numeric timezone '(+|-)HHMM' - * @returns {String} date in local time in iso-8601 like format + * Namely, this implementation supports only single class name as + * argument and not set of space-separated tokens representing classes, + * it returns Array of nodes rather than live NodeList, and has + * additional optional argument where you can limit search to given tags + * (via getElementsByTagName). + * + * Based on + * http://code.google.com/p/getelementsbyclassname/ + * http://www.dustindiaz.com/getelementsbyclass/ + * http://stackoverflow.com/questions/1818865/do-we-have-getelementsbyclassname-in-javascript + * + * See also http://ejohn.org/blog/getelementsbyclassname-speed-comparison/ + * + * @param {String} class: name of _single_ class to find + * @param {String} [taghint] limit search to given tags + * @returns {Node[]} array of matching elements */ -function formatDateISOLocal(epoch, timezoneInfo) { - // date corrected by timezone - var localDate = new Date(1000 * (epoch + - timezoneOffset(timezoneInfo))); - var localDateStr = // e.g. '2005-08-07' - localDate.getUTCFullYear() + '-' + - padLeft(localDate.getUTCMonth()+1, 2, '0') + '-' + - padLeft(localDate.getUTCDate(), 2, '0'); - var localTimeStr = // e.g. '21:49:46' - padLeft(localDate.getUTCHours(), 2, '0') + ':' + - padLeft(localDate.getUTCMinutes(), 2, '0') + ':' + - padLeft(localDate.getUTCSeconds(), 2, '0'); - - return localDateStr + ' ' + localTimeStr + ' ' + timezoneInfo; -} +if (!('getElementsByClassName' in document)) { + document.getElementsByClassName = function (classname, taghint) { + taghint = taghint || "*"; + var elements = (taghint === "*" && document.all) ? + document.all : + document.getElementsByTagName(taghint); + var pattern = new RegExp("(^|\\s)" + classname + "(\\s|$)"); + var matches= []; + for (var i = 0, j = 0, n = elements.length; i < n; i++) { + var el= elements[i]; + if (el.className && pattern.test(el.className)) { + // matches.push(el); + matches[j] = el; + j++; + } + } + return matches; + }; +} // end if /* ............................................................ */ @@ -140,7 +176,8 @@ var maybeQuotedRe = /^\"(.*)\"$/; /**#@-*/ /** - * unquote maybe git-quoted filename + * unquote maybe C-quoted filename (as used by git, i.e. it is + * in double quotes '"' if there is any escape character used) * e.g. 'aa' -> 'aa', '"a\ta"' -> 'a a' * * @param {String} str: git-quoted string diff --git a/gitweb/static/js/lib/cookies.js b/gitweb/static/js/lib/cookies.js new file mode 100644 index 0000000000..72b51cd1b4 --- /dev/null +++ b/gitweb/static/js/lib/cookies.js @@ -0,0 +1,114 @@ +/** + * @fileOverview Accessing cookies from JavaScript + * @license GPLv2 or later + */ + +/* + * Based on subsection "Cookies in JavaScript" of "Professional + * JavaScript for Web Developers" by Nicholas C. Zakas and cookie + * plugin from jQuery (dual licensed under the MIT and GPL licenses) + */ + + +/** + * Create a cookie with the given name and value, + * and other optional parameters. + * + * @example + * setCookie('foo', 'bar'); // will be deleted when browser exits + * setCookie('foo', 'bar', { expires: new Date(Date.parse('Jan 1, 2012')) }); + * setCookie('foo', 'bar', { expires: 7 }); // 7 days = 1 week + * setCookie('foo', 'bar', { expires: 14, path: '/' }); + * + * @param {String} sName: Unique name of a cookie (letters, numbers, underscores). + * @param {String} sValue: The string value stored in a cookie. + * @param {Object} [options] An object literal containing key/value pairs + * to provide optional cookie attributes. + * @param {String|Number|Date} [options.expires] Either literal string to be used as cookie expires, + * or an integer specifying the expiration date from now on in days, + * or a Date object to be used as cookie expiration date. + * If a negative value is specified or a date in the past), + * the cookie will be deleted. + * If set to null or omitted, the cookie will be a session cookie + * and will not be retained when the the browser exits. + * @param {String} [options.path] Restrict access of a cookie to particular directory + * (default: path of page that created the cookie). + * @param {String} [options.domain] Override what web sites are allowed to access cookie + * (default: domain of page that created the cookie). + * @param {Boolean} [options.secure] If true, the secure attribute of the cookie will be set + * and the cookie would be accessible only from secure sites + * (cookie transmission will require secure protocol like HTTPS). + */ +function setCookie(sName, sValue, options) { + options = options || {}; + if (sValue === null) { + sValue = ''; + option.expires = 'delete'; + } + + var sCookie = sName + '=' + encodeURIComponent(sValue); + + if (options.expires) { + var oExpires = options.expires, sDate; + if (oExpires === 'delete') { + sDate = 'Thu, 01 Jan 1970 00:00:00 GMT'; + } else if (typeof oExpires === 'string') { + sDate = oExpires; + } else { + var oDate; + if (typeof oExpires === 'number') { + oDate = new Date(); + oDate.setTime(oDate.getTime() + (oExpires * 24 * 60 * 60 * 1000)); // days to ms + } else { + oDate = oExpires; + } + sDate = oDate.toGMTString(); + } + sCookie += '; expires=' + sDate; + } + + if (options.path) { + sCookie += '; path=' + (options.path); + } + if (options.domain) { + sCookie += '; domain=' + (options.domain); + } + if (options.secure) { + sCookie += '; secure'; + } + document.cookie = sCookie; +} + +/** + * Get the value of a cookie with the given name. + * + * @param {String} sName: Unique name of a cookie (letters, numbers, underscores) + * @returns {String|null} The string value stored in a cookie + */ +function getCookie(sName) { + var sRE = '(?:; )?' + sName + '=([^;]*);?'; + var oRE = new RegExp(sRE); + if (oRE.test(document.cookie)) { + return decodeURIComponent(RegExp['$1']); + } else { + return null; + } +} + +/** + * Delete cookie with given name + * + * @param {String} sName: Unique name of a cookie (letters, numbers, underscores) + * @param {Object} [options] An object literal containing key/value pairs + * to provide optional cookie attributes. + * @param {String} [options.path] Must be the same as when setting a cookie + * @param {String} [options.domain] Must be the same as when setting a cookie + */ +function deleteCookie(sName, options) { + options = options || {}; + options.expires = 'delete'; + + setCookie(sName, '', options); +} + +/* end of cookies.js */ diff --git a/gitweb/static/js/lib/datetime.js b/gitweb/static/js/lib/datetime.js new file mode 100644 index 0000000000..f78c60a912 --- /dev/null +++ b/gitweb/static/js/lib/datetime.js @@ -0,0 +1,176 @@ +// Copyright (C) 2007, Fredrik Kuivinen <frekui@gmail.com> +// 2007, Petr Baudis <pasky@suse.cz> +// 2008-2011, Jakub Narebski <jnareb@gmail.com> + +/** + * @fileOverview Datetime manipulation: parsing and formatting + * @license GPLv2 or later + */ + + +/* ............................................................ */ +/* parsing and retrieving datetime related information */ + +/** + * used to extract hours and minutes from timezone info, e.g '-0900' + * @constant + */ +var tzRe = /^([+\-])([0-9][0-9])([0-9][0-9])$/; + +/** + * convert numeric timezone +/-ZZZZ to offset from UTC in seconds + * + * @param {String} timezoneInfo: numeric timezone '(+|-)HHMM' + * @returns {Number} offset from UTC in seconds for timezone + * + * @globals tzRe + */ +function timezoneOffset(timezoneInfo) { + var match = tzRe.exec(timezoneInfo); + var tz_sign = (match[1] === '-' ? -1 : +1); + var tz_hour = parseInt(match[2],10); + var tz_min = parseInt(match[3],10); + + return tz_sign*(((tz_hour*60) + tz_min)*60); +} + +/** + * return local (browser) timezone as offset from UTC in seconds + * + * @returns {Number} offset from UTC in seconds for local timezone + */ +function localTimezoneOffset() { + // getTimezoneOffset returns the time-zone offset from UTC, + // in _minutes_, for the current locale + return ((new Date()).getTimezoneOffset() * -60); +} + +/** + * return local (browser) timezone as numeric timezone '(+|-)HHMM' + * + * @returns {String} locat timezone as -/+ZZZZ + */ +function localTimezoneInfo() { + var tzOffsetMinutes = (new Date()).getTimezoneOffset() * -1; + + return formatTimezoneInfo(0, tzOffsetMinutes); +} + + +/** + * Parse RFC-2822 date into a Unix timestamp (into epoch) + * + * @param {String} date: date in RFC-2822 format, e.g. 'Thu, 21 Dec 2000 16:01:07 +0200' + * @returns {Number} epoch i.e. seconds since '00:00:00 1970-01-01 UTC' + */ +function parseRFC2822Date(date) { + // Date.parse accepts the IETF standard (RFC 1123 Section 5.2.14 and elsewhere) + // date syntax, which is defined in RFC 2822 (obsoletes RFC 822) + // and returns number of _milli_seconds since January 1, 1970, 00:00:00 UTC + return Date.parse(date) / 1000; +} + + +/* ............................................................ */ +/* formatting date */ + +/** + * format timezone offset as numerical timezone '(+|-)HHMM' or '(+|-)HH:MM' + * + * @param {Number} hours: offset in hours, e.g. 2 for '+0200' + * @param {Number} [minutes] offset in minutes, e.g. 30 for '-4030'; + * it is split into hours if not 0 <= minutes < 60, + * for example 1200 would give '+0100'; + * defaults to 0 + * @param {String} [sep] separator between hours and minutes part, + * default is '', might be ':' for W3CDTF (rfc-3339) + * @returns {String} timezone in '(+|-)HHMM' or '(+|-)HH:MM' format + */ +function formatTimezoneInfo(hours, minutes, sep) { + minutes = minutes || 0; // to be able to use formatTimezoneInfo(hh) + sep = sep || ''; // default format is +/-ZZZZ + + if (minutes < 0 || minutes > 59) { + hours = minutes > 0 ? Math.floor(minutes / 60) : Math.ceil(minutes / 60); + minutes = Math.abs(minutes - 60*hours); // sign of minutes is sign of hours + // NOTE: this works correctly because there is no UTC-00:30 timezone + } + + var tzSign = hours >= 0 ? '+' : '-'; + if (hours < 0) { + hours = -hours; // sign is stored in tzSign + } + + return tzSign + padLeft(hours, 2, '0') + sep + padLeft(minutes, 2, '0'); +} + +/** + * translate 'utc' and 'local' to numerical timezone + * @param {String} timezoneInfo: might be 'utc' or 'local' (browser) + */ +function normalizeTimezoneInfo(timezoneInfo) { + switch (timezoneInfo) { + case 'utc': + return '+0000'; + case 'local': // 'local' is browser timezone + return localTimezoneInfo(); + } + return timezoneInfo; +} + + +/** + * return date in local time formatted in iso-8601 like format + * 'yyyy-mm-dd HH:MM:SS +/-ZZZZ' e.g. '2005-08-07 21:49:46 +0200' + * + * @param {Number} epoch: seconds since '00:00:00 1970-01-01 UTC' + * @param {String} timezoneInfo: numeric timezone '(+|-)HHMM' + * @returns {String} date in local time in iso-8601 like format + */ +function formatDateISOLocal(epoch, timezoneInfo) { + // date corrected by timezone + var localDate = new Date(1000 * (epoch + + timezoneOffset(timezoneInfo))); + var localDateStr = // e.g. '2005-08-07' + localDate.getUTCFullYear() + '-' + + padLeft(localDate.getUTCMonth()+1, 2, '0') + '-' + + padLeft(localDate.getUTCDate(), 2, '0'); + var localTimeStr = // e.g. '21:49:46' + padLeft(localDate.getUTCHours(), 2, '0') + ':' + + padLeft(localDate.getUTCMinutes(), 2, '0') + ':' + + padLeft(localDate.getUTCSeconds(), 2, '0'); + + return localDateStr + ' ' + localTimeStr + ' ' + timezoneInfo; +} + +/** + * return date in local time formatted in rfc-2822 format + * e.g. 'Thu, 21 Dec 2000 16:01:07 +0200' + * + * @param {Number} epoch: seconds since '00:00:00 1970-01-01 UTC' + * @param {String} timezoneInfo: numeric timezone '(+|-)HHMM' + * @param {Boolean} [padDay] e.g. 'Sun, 07 Aug' if true, 'Sun, 7 Aug' otherwise + * @returns {String} date in local time in rfc-2822 format + */ +function formatDateRFC2882(epoch, timezoneInfo, padDay) { + // A short textual representation of a month, three letters + var months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; + // A textual representation of a day, three letters + var days = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"]; + // date corrected by timezone + var localDate = new Date(1000 * (epoch + + timezoneOffset(timezoneInfo))); + var localDateStr = // e.g. 'Sun, 7 Aug 2005' or 'Sun, 07 Aug 2005' + days[localDate.getUTCDay()] + ', ' + + (padDay ? padLeft(localDate.getUTCDate(),2,'0') : localDate.getUTCDate()) + ' ' + + months[localDate.getUTCMonth()] + ' ' + + localDate.getUTCFullYear(); + var localTimeStr = // e.g. '21:49:46' + padLeft(localDate.getUTCHours(), 2, '0') + ':' + + padLeft(localDate.getUTCMinutes(), 2, '0') + ':' + + padLeft(localDate.getUTCSeconds(), 2, '0'); + + return localDateStr + ' ' + localTimeStr + ' ' + timezoneInfo; +} + +/* end of datetime.js */ |