FTB comment spiffifier

Make commenting on FTB more better

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         FTB comment spiffifier
// @namespace    http://niko.cat/
// @version      0.1
// @description  Make commenting on FTB more better
// @include      http://freethoughtblogs.com/*
// @require      http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js
// ==/UserScript==


/*
<li class="comment byuser comment-author-nerdofredhead odd alt thread-odd thread-alt depth-1" id="comment-860508">
<article itemprop="comment" itemscope="itemscope" itemtype="http://schema.org/UserComments">
<header class="comment-header">
<p class="comment-author" itemprop="creator" itemscope="itemscope" itemtype="http://schema.org/Person">
<img alt='' src='http://0.gravatar.com/avatar/47f9d14fc29ffe78436ab7c50d58dc08?s=48&amp;d=identicon&amp;r=R' class='avatar avatar-48 photo' height='48' width='48'/><span itemprop="name">Nerd of Redhead, Dances OM Trolls</span> <span class="says">says</span> </p>
<p class="comment-meta">
<time itemprop="commentTime" datetime="2014-10-02T09:33:13+00:00"><a href="http://freethoughtblogs.com/pharyngula/2014/10/02/my-morning-mail-bag-so-far/comment-page-1/#comment-860508" itemprop="url">2 October 2014 at 9:33 am</a></time> </p>
</header>
<div class="comment-content" itemprop="commentText">
<blockquote><p>does Reddit have any responsibility to build a healthy community? I argue they do not. </p></blockquote>
<p>Then you argue from a position of moral bankruptcy, and can and will be criticized for that moral failure. There is no excuse for an unhealthy community.</p>
</div>
</article>
</li> 
*/


// http://stackoverflow.com/questions/499126/jquery-set-cursor-position-in-text-area
$.fn.selectRange = function(start, end) {
    if (!end) end = start; 
    return this.each(function() {
        if (this.setSelectionRange) {
            this.focus();
            this.setSelectionRange(start, end);
        } else if (this.createTextRange) {
            var range = this.createTextRange();
            range.collapse(true);
            range.moveEnd('character', end);
            range.moveStart('character', start);
            range.select();
        }
    });
};


var hoverbox = $('<span id="hoverbox">' +
                 '\xa0|\xa0<a class="reply-link" href="#"><b>Reply</b></a>' +
                 '</span>');
var template = $('<div>' +
                 '<a><span class="comment-author-link"></span>@<span class="comment-number-link"></span>:</a>\n' +
                 '<blockquote></blockquote>' +
                 '</div>');

jQuery(document).on('mouseenter', 'li.comment', function hover() {
    jQuery('#hoverbox').remove();
    jQuery(this).closest('li.comment').find('time').first().after(hoverbox);
}).on('mouseleave', 'li.comment', function unhover() {
    jQuery('#hoverbox').remove();
}).on('click', '#hoverbox a.reply-link', function(event) {
    event.preventDefault();
    var comment = $(this).closest('li.comment');
    var id = comment.attr('id');
    var link = comment.find('time a').attr('href');
    var author = comment.find('.comment-author span[itemprop="name"]').text();
    var label = comment[0].getAttribute('value');
    if (label === null) label = comment.index() + 1;  // sigh
    var content = comment.find('.comment-content');
    
    var fake = template.clone();
    fake.find('a').attr('href', '#' + id).end()
    .find('span.comment-author-link').text(author).end()
    .find('span.comment-number-link').text(label).end()
    .find('blockquote').attr('cite', link).append(content.clone().contents()).end();
    
    var textarea = $('#comment');
    var text = textarea.val();
    if (text.length > 0) text += '\n';
    text += fake.html() + '\n';
    textarea.val(text);
    
    window.location.hash = '#comment';
	textarea.selectRange(textarea.val().length).scrollTop(textarea[0].scrollHeight);
});