AU Election Script Thingy

AUelec.js

// ==UserScript==
// @id             stackexchange-election-primary-counter@poke
// @name           StackExchange Election: Primary counter
// @namespace      poke
// @version        1.4.4
// @author         Patrick Westerhoff
// @include        *://askubuntu.com/election/*
// @include        *://askubuntu.com/election*
// @updateURL      https://gist.githubusercontent.com/poke/9058895/raw/stackexchange-election-primary-counter.user.js
// @run-at         document-end
// ==/UserScript==
(function () {
	var primaryLink = document.querySelector('#tabs > a[href$="primary"]');
	if (!primaryLink || primaryLink.className != 'youarehere')
		return;

	function addRow (table, cols, isHeader) {
		var row = document.createElement('tr');
		cols.forEach(function (cell) {
			if (typeof cell !== 'object') {
				cell = document.createTextNode(cell);
			}
			row.appendChild(document.createElement(isHeader ? 'th' : 'td')).appendChild(cell);
		});
		return table.appendChild(row);
	}

	// styles
	var style = document.createElement('style');
	style.textContent = '#_primary-counter { border: 1px solid silver; margin-bottom: 1em;}' +
		'#_primary-counter th { border-bottom: 1px solid silver; }' +
		'#_primary-counter td, #_primary-counter th { padding: 1px .5em; }' +
		'#_primary-counter tr :nth-child(n+3) { text-align: right; }' +
		'#_primary-counter tr:nth-child(11) { border-bottom: 1px solid silver; }' +
		'#_primary-counter tr.withdrawn { color: #999; }';
	document.head.appendChild(style);

	// query candidate data
	var users = Array.prototype.map.call(document.querySelectorAll('#mainbar > table > tbody > tr'), function (post) {
		var scores = post.querySelector('.candidate-score-breakdown');
		return {
			name: post.querySelector('td.owner .user-info .user-details > a').textContent,
			id: post.id.substr(5),
			href: '#' + post.id,
			votes: parseInt(post.querySelector('.votecell .vote-count-post').textContent, 10),
			score: scores.querySelector('span').textContent.match(/(\d+\/\d+)/)[1],
			rep: scores.querySelector('ul > li:nth-child(1)').textContent.trim().match(/reputation (.+)/)[1],
			modBadges: scores.querySelector('ul > li:nth-child(2)').textContent.match(/moderation badges: (\d)\/\d/)[1],
			editBadges: scores.querySelector('ul > li:nth-child(3)').textContent.match(/editing badges: (\d)\/\d/)[1],
			participationBadges: scores.querySelector('ul > li:nth-child(4)').textContent.match(/participation badges: (\d)\/\d/)[1],
			memberFor: post.querySelector('.user-details').lastChild.textContent.trim().match(/member for (.+)/)[1],
			withdrawn: !!post.querySelector('.withdraw-date')
		};
	});
	users.sort(function (a, b) { return b.votes - a.votes; });

	// vote count querying
	var mayQueryVoteCounts = document.body.innerHTML.indexOf('StackExchange.vote.bindFetchVoteCount') !== -1;
	function queryVoteCounts (evt) {
		evt.preventDefault();
		var xhr = new XMLHttpRequest();
		xhr.open('get', '/posts/' + this.id + '/vote-counts?_=' + (+new Date()), true);
		xhr.onload = function () {
			if (this.status == 200) {
				var data = JSON.parse(this.response);
				evt.target.parentNode.innerHTML = '+' + (+Math.abs(data.up)) + ' / ' + (-Math.abs(data.down));
			}
		};
		xhr.send(null);
	}

	// display data
	var table = document.createElement('table');
	table.id = '_primary-counter';
	addRow(table, ['#', 'User', 'Votes', 'Score', 'Reputation', 'Badges (M/E/P)', 'Member for'], true);
	users.forEach(function (user, index) {
		var link = document.createElement('a')
		link.href = user.href;
		link.appendChild(document.createTextNode(user.name));

		var votes;
		if (mayQueryVoteCounts) {
			votes = document.createElement('a');
			votes.addEventListener('click', queryVoteCounts.bind(user));
		}
		else {
			votes = document.createElement('span');
		}
		votes.appendChild(document.createTextNode(user.votes));

		var badges = [user.modBadges, user.editBadges, user.participationBadges].join(' / ');
		var row = addRow(table, [index + 1, link, votes, user.score, user.rep, badges, user.memberFor]);
		row.className = user.withdrawn ? 'withdrawn' : '';
	});
	document.querySelector('.question-status').appendChild(table);
})();