diff options
Diffstat (limited to 'gitweb/static/js/lib/common-lib.js')
| -rw-r--r-- | gitweb/static/js/lib/common-lib.js | 133 |
1 files changed, 85 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 |