User:Radon210/monobook.js
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/*
Documentation: [[Wikipedia:Comments in Local Time]]
*/
$(function()
{
/*
Settings
*/
if (typeof(LocalComments) == 'undefined')
LocalComments = {};
if (typeof(LocalComments.dateFormat) == 'undefined')
{
// Deprecated: LocalizeConfig
if (typeof(LocalizeConfig) != 'undefined' && typeof(LocalizeConfig.dateFormat) != 'undefined' && LocalizeConfig.dateFormat != '')
LocalComments.dateFormat = LocalizeConfig.dateFormat;
else
LocalComments.dateFormat = 'mdy';
}
if (typeof(LocalComments.timeFirst) == 'undefined')
LocalComments.timeFirst = true;
/*
End Settings
*/
if (wgCanonicalNamespace == '' || wgCanonicalNamespace == 'MediaWiki' || wgCanonicalNamespace == 'Special')
return;
var disabled_urls = new Array('action=history'), unique_url = false, wikiPreview = new Array('action=edit', 'action=submit');
for (var i = 0; i < disabled_urls.length; i++)
{
if (document.location.href.indexOf(disabled_urls[i]) != -1)
return;
}
for (var i = 0; i < wikiPreview.length; i++)
{
if (document.location.href.indexOf(wikiPreview[i]) != -1)
unique_url = 'wikiPreview';
}
var element_id = unique_url ? unique_url : 'bodyContent';
replace_text(document.getElementById(element_id), /(\d\d):(\d\d), (\d{1,2}) ([A-Z][a-z]+) (\d{4}) \(UTC\)/g, adjust_time);
});
function add_leading_zero(number)
{
if (number < 10)
number = '0' + number;
return number;
}
function adjust_time(original_timestamp, old_hour, old_minute, old_day, old_month, old_year, offset)
{
var today = new Date(), yesterday = new Date(), tomorrow = new Date();
yesterday.setDate(yesterday.getDate() - 1);
tomorrow.setDate(tomorrow.getDate() + 1);
// set the date entered
var time = new Date();
time.setUTCHours(old_hour);
time.setUTCMinutes(old_minute);
time.setUTCMonth(convert_month_to_number(old_month));
time.setUTCDate(old_day);
time.setUTCFullYear(old_year);
// determine the time offset
var utc_offset = -1 * time.getTimezoneOffset() / 60;
if (utc_offset >= 0)
utc_offset = '+' + utc_offset;
else
utc_offset = '−' + Math.abs(utc_offset);
// set the date bits to output
var year = time.getFullYear(), month = add_leading_zero(time.getMonth() + 1);
var day = time.getDate();
var hour = parseInt(time.getHours()), minute = add_leading_zero(time.getMinutes());
// output am or pm depending on the date
var ampm = 'am';
if (hour > 11) ampm = 'pm';
if (hour > 12) hour -= 12;
if (hour == '00') hour = 12;
// return 'today' or 'yesterday' if that is the case
if (year == today.getFullYear() && month == add_leading_zero(today.getMonth() + 1) && day == today.getDate())
var date = 'Today';
else if (year == yesterday.getFullYear() && month == add_leading_zero(yesterday.getMonth() + 1) && day == yesterday.getDate())
var date = 'Yesterday';
else if (year == tomorrow.getFullYear() && month == add_leading_zero(tomorrow.getMonth() + 1) && day == tomorrow.getDate())
var date = 'Tomorrow';
else
{
// calculate day of week
var day_names = new Array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'), day_of_the_week = day_names[time.getDay()];
// the distance in days from today and last Monday?
today = new Date(today.getYear(), today.getMonth(), today.getDate());
time = new Date(time.getYear(), time.getMonth(), time.getDate());
// calculate time difference
var milliseconds_ago = today.getTime() - time.getTime(), days_ago = Math.round(milliseconds_ago / 1000 / 60 / 60 / 24);
// the difference between today and the timestamp
var difference, difference_word = '', last = '';
if (today.valueOf() >= time.valueOf())
{
difference = new Date(today.valueOf() - time.valueOf());
difference_word = 'ago';
if (days_ago <= 7)
last = 'last ';
}
else
{
difference = new Date(time.valueOf() - today.valueOf());
difference_word = 'from now';
if (days_ago >= -7)
last = 'this ';
}
var descriptive_difference = [];
if (difference.getYear() - 70 > 0)
{
var years_ago = (difference.getYear() - 70) + ' ' + pluralize('year', difference.getYear() - 70, 'years');
descriptive_difference.push(years_ago);
}
if (difference.getMonth() > 0)
{
var months_ago = difference.getMonth() + ' ' + pluralize('month', difference.getMonth(), 'months');
descriptive_difference.push(months_ago);
}
if (difference.getDate() > 0)
{
var new_days_ago = difference.getDate() + ' ' + pluralize('day', difference.getDate(), 'days');
descriptive_difference.push(new_days_ago);
}
// format the date according to user preferences
var formatted_date = '', month_name = convert_number_to_month(time.getMonth());
switch (LocalComments.dateFormat.toLowerCase())
{
case 'dmy':
formatted_date = day + ' ' + month_name + ' ' + year;
break;
case 'mdy':
formatted_date = month_name + ' ' + day + ', ' + year;
break;
default:
formatted_date = year + '-' + month + '-' + add_leading_zero(day);
}
var date = formatted_date + ', ' + last + day_of_the_week + ' (' + descriptive_difference.join(', ') + ' ' + difference_word + ')';
}
var time = hour + ':' + minute + ' ' + ampm;
if (LocalComments.timeFirst)
var return_date = time + ', ' + date + ' (UTC' + utc_offset + ')';
else
var return_date = date + ', ' + time + ' (UTC' + utc_offset + ')';
return return_date;
}
function convert_month_to_number(month)
{
var output = new Date(month + ' 1, 2001');
return output.getMonth();
}
function convert_number_to_month(number)
{
var month = new Array('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December');
return month[number];
}
function pluralize(term, count, plural)
{
if (plural == null)
plural = term + 's';
return (count == 1 ? term : plural)
}
function replace_text(node, search, replace)
{
if (node.nodeType == 3)
{
var value = node.nodeValue;
var position = value.search(search);
var match = value.match(search);
if (position != -1)
{
var length = match.toString().length;
var before_match = value.substring(0, position);
var after_match = value.substring(position + length);
var first_span = document.createElement('span');
first_span.setAttribute('style', 'font-size: 95%; white-space: nowrap;');
var second_span = document.createElement('span');
second_span.setAttribute('class', 'localcomments');
second_span.setAttribute('title', match);
second_span.appendChild(document.createTextNode(match.toString().replace(search, replace)));
first_span.appendChild(second_span);
var parent_node = document.createDocumentFragment();
parent_node.appendChild(document.createTextNode(before_match));
parent_node.appendChild(first_span);
parent_node.appendChild(document.createTextNode(after_match));
node.parentNode.replaceChild(parent_node, node);
}
}
else
{
var children = [], child = node.firstChild;
while (child)
{
children[children.length] = child;
child = child.nextSibling;
}
for (var child = 0; child < children.length; child++)
replace_text(children[child], search, replace);
}
}