lainchan/js/local-time.js

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/*
* local-time.js
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* https://github.com/savetheinternet/Tinyboard/blob/master/js/local-time.js
*
* Released under the MIT license
* Copyright (c) 2012 Michael Save <savetheinternet@tinyboard.org>
* Copyright (c) 2013-2014 Marcin Łabanowski <marcin@6irc.net>
*
* Usage:
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* // $config['additional_javascript'][] = 'js/jquery.min.js';
* // $config['additional_javascript'][] = 'js/strftime.min.js';
* $config['additional_javascript'][] = 'js/local-time.js';
*
*/
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$(document).ready(function(){
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'use strict';
var iso8601 = function(s) {
s = s.replace(/\.\d\d\d+/,""); // remove milliseconds
s = s.replace(/-/,"/").replace(/-/,"/");
s = s.replace(/T/," ").replace(/Z/," UTC");
s = s.replace(/([\+\-]\d\d)\:?(\d\d)/," $1$2"); // -04:00 -> -0400
return new Date(s);
};
var zeropad = function(num, count) {
return [Math.pow(10, count - num.toString().length), num].join('').substr(1);
};
var dateformat = (typeof strftime === 'undefined') ? function(t) {
return zeropad(t.getMonth() + 1, 2) + "/" + zeropad(t.getDate(), 2) + "/" + t.getFullYear().toString().substring(2) +
" (" + [_("Sun"), _("Mon"), _("Tue"), _("Wed"), _("Thu"), _("Fri"), _("Sat"), _("Sun")][t.getDay()] + ") " +
// time
zeropad(t.getHours(), 2) + ":" + zeropad(t.getMinutes(), 2) + ":" + zeropad(t.getSeconds(), 2);
} : function(t) {
// post_date is defined in templates/main.js
return strftime(window.post_date, t, datelocale);
};
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function timeDifference(current, previous) {
var msPerMinute = 60 * 1000;
var msPerHour = msPerMinute * 60;
var msPerDay = msPerHour * 24;
var msPerMonth = msPerDay * 30;
var msPerYear = msPerDay * 365;
var elapsed = current - previous;
if (elapsed < msPerMinute) {
return 'Just now';
} else if (elapsed < msPerHour) {
return Math.round(elapsed/msPerMinute) + (Math.round(elapsed/msPerMinute)<=1 ? ' minute ago':' minutes ago');
} else if (elapsed < msPerDay ) {
return Math.round(elapsed/msPerHour ) + (Math.round(elapsed/msPerHour)<=1 ? ' hour ago':' hours ago');
} else if (elapsed < msPerMonth) {
return Math.round(elapsed/msPerDay) + (Math.round(elapsed/msPerDay)<=1 ? ' day ago':' days ago');
} else if (elapsed < msPerYear) {
return Math.round(elapsed/msPerMonth) + (Math.round(elapsed/msPerMonth)<=1 ? ' month ago':' months ago');
} else {
return Math.round(elapsed/msPerYear ) + (Math.round(elapsed/msPerYear)<=1 ? ' year ago':' years ago');
}
}
var do_localtime = function(elem) {
var times = elem.getElementsByTagName('time');
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var currentTime = Date.now();
for(var i = 0; i < times.length; i++) {
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var t = times[i].getAttribute('datetime');
var postTime = new Date(t);
times[i].setAttribute('data-local', 'true');
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if (!localStorage.show_relative_time || localStorage.show_relative_time === 'false') {
times[i].innerHTML = dateformat(iso8601(t));
times[i].setAttribute('title', timeDifference(currentTime, postTime.getTime()));
} else {
times[i].innerHTML = timeDifference(currentTime, postTime.getTime());
times[i].setAttribute('title', dateformat(iso8601(t)));
}
}
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};
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if (window.Options && Options.get_tab('general') && window.jQuery) {
var interval_id;
Options.extend_tab('general', '<label id="show-relative-time"><input type="checkbox">' + _('Show relative time') + '</label>');
$('#show-relative-time>input').on('change', function() {
if (localStorage.show_relative_time === 'true') {
localStorage.show_relative_time = 'false';
clearInterval(interval_id);
} else {
localStorage.show_relative_time = 'true';
interval_id = setInterval(do_localtime, 30000, document);
}
// no need to refresh page
do_localtime(document);
});
if (localStorage.show_relative_time === 'true') {
$('#show-relative-time>input').attr('checked','checked');
interval_id = setInterval(do_localtime, 30000, document);
}
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// allow to work with auto-reload.js, etc.
$(document).on('new_post', function(e, post) {
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do_localtime(post);
});
}
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do_localtime(document);
});