diff options
Diffstat (limited to 'gitweb/static/js')
| -rw-r--r-- | gitweb/static/js/adjust-timezone.js | 60 | ||||
| -rw-r--r-- | gitweb/static/js/lib/datetime.js | 15 |
2 files changed, 75 insertions, 0 deletions
diff --git a/gitweb/static/js/adjust-timezone.js b/gitweb/static/js/adjust-timezone.js new file mode 100644 index 0000000000..1577d780f0 --- /dev/null +++ b/gitweb/static/js/adjust-timezone.js @@ -0,0 +1,60 @@ +// Copyright (C) 2011, John 'Warthog9' Hawley <warthog9@eaglescrag.net> +// 2011, Jakub Narebski <jnareb@gmail.com> + +/** + * @fileOverview Manipulate dates in gitweb output, adjusting timezone + * @license GPLv2 or later + */ + +/** + * Get common timezone and adjust dates to use this common timezone. + * + * This function is called during onload event (added to window.onload). + * + * @param {String} tzDefault: default timezone, if there is no cookie + * @param {String} tzCookieName: name of cookie to store timezone + * @param {String} tzClassName: denotes elements with date to be adjusted + */ +function onloadTZSetup(tzDefault, tzCookieName, tzClassName) { + var tzCookie = getCookie(tzCookieName); + var tz = tzCookie ? tzCookie : tzDefault; + + // server-side of gitweb produces datetime in UTC, + // so if tz is 'utc' there is no need for changes + if (tz !== 'utc') { + fixDatetimeTZ(tz, tzClassName); + } +} + + +/** + * Replace RFC-2822 dates contained in SPAN elements with tzClassName + * CSS class with equivalent dates in given timezone. + * + * @param {String} tz: numeric timezone in '(-|+)HHMM' format, or 'utc', or 'local' + * @param {String} tzClassName: specifies elements to be changed + */ +function fixDatetimeTZ(tz, tzClassName) { + // sanity check, method should be ensured by common-lib.js + if (!document.getElementsByClassName) { + return; + } + + // translate to timezone in '(-|+)HHMM' format + tz = normalizeTimezoneInfo(tz); + + // NOTE: result of getElementsByClassName should probably be cached + var classesFound = document.getElementsByClassName(tzClassName, "span"); + for (var i = 0, len = classesFound.length; i < len; i++) { + var curElement = classesFound[i]; + + // we use *.firstChild.data (W3C DOM) instead of *.innerHTML + // as the latter doesn't always work everywhere in every browser + var epoch = parseRFC2822Date(curElement.firstChild.data); + var adjusted = formatDateRFC2882(epoch, tz); + + curElement.firstChild.data = adjusted; + } +} + +/* end of adjust-timezone.js */ diff --git a/gitweb/static/js/lib/datetime.js b/gitweb/static/js/lib/datetime.js index b3dcedb141..f78c60a912 100644 --- a/gitweb/static/js/lib/datetime.js +++ b/gitweb/static/js/lib/datetime.js @@ -105,6 +105,21 @@ function formatTimezoneInfo(hours, minutes, sep) { } /** + * 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' * |