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cfcwalker.user.js
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cfcwalker.user.js
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// ==UserScript==
// @name Codeforces comments walker
// @description This userscript allows you to walk through new comments at codeforces.com's blog
// @author yeputons
// @license Public domain
// @version 1.02
// @include http://codeforces.ru/blog/entry/*
// @include http://codeforces.com/blog/entry/*
// @include http://www.codeforces.ru/blog/entry/*
// @include http://www.codeforces.com/blog/entry/*
// ==/UserScript==
(function(window, undefined) {
var w;
if (unsafeWindow != "undefined"){
w = unsafeWindow;
} else {
w = window;
}
/*! jQuery v1.7.1 jquery.com | jquery.org/license */
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b = $(blocks[cur - 1]);
$('html, body').animate({
'scrollTop': Math.max(0, b.offset().top - ($(window).height() - b.height()) / 2),
});
}
$(function(){
blocks = $('.highlight-blue');
counter = $('#cfcwalker_counter');
$('.cfcwalker').css('display', 'block');
cur = -1;
update();
$('#cfcwalker_prev').click(function() { cur--; update(); });
$('#cfcwalker_counter').click(function() { cur = Math.max(cur, 1); update() });
$('#cfcwalker_next').click(function() { cur++; update(); });
function handler(Ev) {
if ($(this).text() != '^') return;
var me = $(this).parents('.comment-table');
var parent = $('.comment-table[commentId=' + me.attr('commentParentId') + ']');
if (!parent.length) return;
if (Ev.type == 'mouseenter') {
parent.offset({ top: me.offset().top - parent.height() - 8 });
parent.css({
'background': '#e8e8e8',
'border': '1px solid black'
});
} else {
parent.css({
position: 'static',
background: '',
border: '',
left: 'auto',
top: 'auto'
});
}
};
$('.comment-table td.right div.info span.item a').hover(handler).click(handler);
});
$('body').append('\
<style type="text/css">\
.cfcwalker { position: fixed; right: 4px; top: 50%; margin: 0; padding: 0; text-align: center; }\
#cfcwalker_counter { font-weight: bold; }\
.cfcwalker img {opacity: 0.5;}\
.cfcwalker img:hover {opacity: 1}\
</style> \
<div style="display:none;" class="cfcwalker"><div><img src="' + root + '/uparrow.png" id="cfcwalker_prev" alt="Prev"/></div><div><a href="javascript:" id="cfcwalker_counter">0</a></div><div><img src="' + root + '/downarrow.png" id="cfcwalker_next" alt="Next"/></div></div>');
}
})(window);