User:Bequw/comments in local time.js

/*	COMMENTS IN LOCAL TIME Original author: http://en.wikipedia.org/wiki/User:Gary_King English Wikipedia documentation: Comments in Local Time

$( document ).ready(function {	// wgCanonicalNamespace = unsafeWindow.wgCanonicalNamespace	//Settings	if (typeof(LocalComments) == 'undefined')		LocalComments = {};

if (typeof(LocalComments.dateDifference) == 'undefined') LocalComments.dateDifference = true; if (typeof(LocalComments.dateFormat) == 'undefined') LocalComments.dateFormat = 'dmy'; if (typeof(LocalComments.timeFirst) == 'undefined') LocalComments.timeFirst = true; if (typeof(LocalComments.twentyFourHours) == 'undefined') LocalComments.twentyFourHours = false;

if (typeof(LocalComments.alwaysDate) == 'undefined') LocalComments.alwaysDate = true; //End Settings if (mw.config.get("wgCanonicalNamespace") == '' || mw.config.get("wgCanonicalNamespace") == 'MediaWiki' || mw.config.get("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.setUTCFullYear(old_year, convert_month_to_number(old_month), old_day); time.setUTCHours(old_hour); time.setUTCMinutes(old_minute); // 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 = ''; if (!LocalComments.twentyFourHours) {		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 (LocalComments.alwaysDate ==false && year == today.getFullYear && month == add_leading_zero(today.getMonth + 1) && day == today.getDate) var date = 'Today'; else if (LocalComments.alwaysDate ==false && year == yesterday.getFullYear && month == add_leading_zero(yesterday.getMonth + 1) && day == yesterday.getDate) var date = 'Yesterday'; else if (LocalComments.alwaysDate ==false && 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'); var day_of_the_week = day_names[time.getDay]; if (LocalComments.dateDifference) {			// calculate time difference from today and the timestamp today = new Date(today.getYear, today.getMonth, today.getDate); time = new Date(time.getYear, time.getMonth, time.getDate); var milliseconds_ago = today.getTime - time.getTime; var days_ago = Math.round(milliseconds_ago / 1000 / 60 / 60 / 24);

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); }			descriptive_difference = ' (' + descriptive_difference.join(', ') + ' ' + difference_word + ')'; }		else {			descriptive_difference = ''; last = ''; }		// 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; }	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) return; //this happens in classic skin if (node.nodeType == 3) {		var value = node.nodeValue; var matches = value.match(search); if (matches != null) {			var node_parent_node = node.parentNode; var old_node = node; // old_node_list = node.parentNode.childNodes; for (match = 0; match < matches.length; match++) {				// Create MATCHES[MATCH] var position; if (after_match != null && length != null) position = after_match.search(search) + before_match.length + length; else position = value.search(search); var length = matches[match].toString.length; var before_match = value.substring(0, position); var after_match = value.substring(position + length); var span = document.createElement('span'); span.setAttribute('class', 'localcomments'); span.style.fontSize = '95%'; span.style.whiteSpace = 'nowrap'; span.setAttribute('title', matches[match]); span.appendChild(document.createTextNode(matches[match].toString.replace(search, replace))); var new_node = document.createDocumentFragment; new_node.appendChild(document.createTextNode(before_match)); new_node.appendChild(span); new_node.appendChild(document.createTextNode(after_match));

node_parent_node.replaceChild(new_node, old_node); break; }		}	}	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); } }

});