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Preview to the top comments on Reddit, optional: autoloading comments and/or images (NeverEndingReddit compatible, RES is needed for autoloading images), option to hide/show sidebar on page load (session-independend)
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// ==UserScript==
// @name Reddit - Top Comments Preview
// @namespace http://greasyfork.icu/users/5174-jesuis-parapluie
// @author Erik Wannebo, gavin19, jesuis-parapluie
// @description Preview to the top comments on Reddit, optional: autoloading comments and/or images (NeverEndingReddit compatible, RES is needed for autoloading images), option to hide/show sidebar on page load (session-independend)
// @include /^https?://(.+\.)?reddit\.com/.*$/
// @exclude /^https?://(.+\.)?reddit\.com/.+/comments/.*$/
// @grant meta-detablock
// @grant GM_getValue
// @grant GM_setValue
// @version 1.80
// ==/UserScript==
(function () {
'use strict';
var topCP = {
opts: {
/* Number of comments to display. Default is 3 */
topComments: 3,
/* Changes the comment sorting. Available sortings: top, best, new, hot, controversial, old */
commentSorting: 'top',
/* Disables the option for hiding the sidebar. */
disableSidebarButton: false,
/* Disables the autoloading option for images and comments. */
disableAutoloadButton: false,
/* set keyboard shortcut 't' to show/hide active top comments (needs RES) */
disableShortCut: false
},
addTopLinks: function () {
var i,
len,
link,
li,
articleID,
tmp,
parent,
a = document.querySelectorAll('.linklisting .comments:not(.empty)');
if (a.length) {
for (i = 0, len = a.length; i < len; i += 1) {
if (!a[i].parentNode.parentNode.querySelector('.toplink') && /[0-9]/.test(a[i])) {
articleID = a[i].getAttribute('href');
articleID = articleID.substring(articleID.indexOf('/comments/') + 10, articleID.indexOf('/comments/') + 16);
link = document.createElement('a');
li = document.createElement('li');
//li.className = 'rcp';
li.appendChild(link);
link.className = 'toplink';
tmp = 'java';
link.href = tmp + 'script:;';
link.setAttribute('id', 'toplink' + articleID);
link.setAttribute('style', 'color:orangered;text-decoration:none;');
link.textContent = ' '+topCP.opts.commentSorting;
parent = a[i].parentNode.parentNode;
parent.insertBefore(li, parent.querySelector('.first + li'));
topCP.addListener(link, articleID);
if (GM_getValue('autoLoadComments', false))
{
topCP.retrieveTopComments(link, articleID);
}
}
}
}
},
addListener: function (link, id) {
link.addEventListener('click', function () {
topCP.retrieveTopComments(this, id);
});
},
retrieveTopComments: function (ele, articleID) {
var pre,
url,
xhr,
thisPre;
topCP.kill_preview = function () {
this.parentNode.removeChild(this);
};
ele = ele.parentNode.parentNode.parentNode;
if (!document.querySelector('#preview' + articleID))
{
pre = document.createElement('div');
pre.setAttribute('id', 'preview' + articleID);
pre.classList.add('loading');
pre.addEventListener('click', topCP.kill_preview);
//ele.querySelector('.first').insertBefore(pre, null);
ele.insertBefore(pre, ele.querySelector('.expando'));
}
if (document.querySelector('#preview' + articleID).classList.contains('loading')) {
url = window.location.href.split('/') [0] + '//www.reddit.com/comments/' + articleID + '/.json?limit=' + (topCP.opts.topComments + 5) + '&sort='+topCP.opts.commentSorting;
xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
xhr.onreadystatechange = function () {
if (xhr.readyState === 4 && xhr.status === 200) {
topCP.onloadJSON(xhr);
} else if (xhr.status === 503) {
// Service not available, retry every second
setTimeout(topCP.retrieveTopComments(ele, articleID), 1000);
}
};
xhr.send(null);
} else {
thisPre = document.querySelector('#preview' + articleID);
thisPre.parentNode.parentNode.style.marginBottom = '';
thisPre.parentNode.removeChild(thisPre);
}
},
onloadJSON: function (response) {
var i,
len,
content,
score,
contentDiv,
article,
author,
permalink,
newHTML = '',
comments = JSON.parse(response.responseText),
commentsLength = comments[1].data.children.length,
articleID = comments[0].data.children[0].data.id,
threadLink = comments[0].data.children[0].data.permalink;
len = topCP.opts.topComments < commentsLength ? topCP.opts.topComments : commentsLength;
for (i = 0; i < len; i += 1) {
content = comments[1].data.children[i].data.body_html;
if (content) {
contentDiv = document.createElement('div');
contentDiv.innerHTML = content;
content = contentDiv.firstChild.textContent;
author = comments[1].data.children[i].data.author;
score = comments[1].data.children[i].data.score;
permalink = threadLink + comments[1].data.children[i].data.id;
newHTML += (i > 0 ? '<hr>' : '');
newHTML += '<a class="ulink" target="_blank" href="/u/' + author;
newHTML += '">' + author + '</a>';
newHTML += '<span class="points">| score: ' + score + '</span>';
newHTML += '<a class="permalink" target="_blank" href="' + permalink + '">permalink</a><br />' + content;
}
}
article = document.querySelector('#preview' + articleID);
if (article) {
article.classList.remove('loading');
article.innerHTML = newHTML;
article.removeEventListener('click', topCP.kill_preview);
}
article = document.querySelector('#preview' + articleID);
if (article) {
article.classList.remove('loading');
article.innerHTML = newHTML;
article.removeEventListener('click', topCP.kill_preview);
}
},
addStyle: function () {
var style,
sheet = '';
sheet += 'div[id^=preview]{box-sizing:border-box;-moz-box-sizing:border-box;background:#fff;border-radius:5px;border:1px solid #dbdbdb;white-space:normal;padding:5px;display:inline-block;margin:8px 0;}';
sheet += '.loading:before{content:"Loading...";}div[id^=preview] .md{border:1px solid #ddd;background:#f0f0f0;box-sizing:border-box;-moz-box-sizing:border-box;margin:3px 0;box-sizing:border-box;padding:2px 8px;}';
sheet += 'div[id^=preview] .md *{white-space:normal;}div[id^=preview] .md code{white-space:pre;}';
sheet += 'div[id^=preview] .md pre{overflow:visible}div[id^=preview]>*{font-size: small;}';
sheet += 'div[id^=preview] .ulink,div[id^=preview] .md a{font-weight:bold;color:#369!important;}';
sheet += '.aubox a.disabled {color: #995F5F;font-weight: normal;}';
sheet += '.aubox a.enabled {color: #009D2D;font-weight: normal;}';
sheet += 'a.sideswitch {cursor:pointer;}';
sheet += '.listing-page .buttons li{vertical-align:top;}.toplink{text-decoration:none;}';
sheet += '.permalink { float: right; color: #666;}.points{color:#333;font-weight:bold;margin-left:.5em;}';
sheet += '.res-nightmode div[id^=preview] .ulink,.res-nightmode div[id^=preview] .md a{color: rgb(20, 150, 220)!important;}';
sheet += '.res-nightmode div[id^=preview]{ background: #333!important;border-color:#666!important}';
sheet += '.res-nightmode .toplink{color: #eee!important;}';
sheet += '.res-nightmode div[id^=preview] .points{color: #ddd!important;}';
sheet += '.res-nightmode div[id^=preview] .permalink{color: #ccc!important;}';
sheet += '.res-nightmode div[id^=preview] .md{background:#555!important;border-color: #222!important;}';
sheet += '.res-nightmode div[id^=preview] .md blockquote{color:#8C8C8C!important;}';
sheet += '.res-nightmode div[id^=preview] hr{border-color:#777!important;}';
style = document.createElement('style');
style.type = 'text/css';
style.textContent = sheet;
document.querySelector('head').appendChild(style);
},
toggle: function (className) {
(function(style) {
style.display = style.display === 'none' ? '' : 'none';
})(document.querySelector(className).style);
},
init: function () {
if (!topCP.opts.disableSidebarButton)
{
var text = 'hide';
if (GM_getValue('sideBarToggle', true))
{
text = 'show';
topCP.toggle(".side");
}
var sidebar = document.createElement('li');
sidebar.innerHTML = '<a class="sideswitch">'+text+' sidebar</a>';
sidebar.addEventListener('click', function (e) {
topCP.toggle(".side");
GM_setValue('sideBarToggle', !GM_getValue('sideBarToggle', true));
var text = 'hide';
if (GM_getValue('sideBarToggle')) text = 'show';
document.querySelector('.sideswitch').innerHTML = text+' sidebar';
});
document.querySelector('.tabmenu').appendChild(sidebar);
} else {
GM_setValue('sideBarToggle',false);
document.querySelector(".side").style.display = '';
}
if (!topCP.opts.disableAutoloadButton)
{
var expimg = 'disabled';
if (GM_getValue('autoExpandImages', false)) expimg = 'enabled';
var expcom = 'disabled';
if (GM_getValue('autoLoadComments', false)) expcom = 'enabled';
var loadbar = document.createElement('li');
loadbar.className = 'aubox';
loadbar.innerHTML = '<a>load</a>';
var spanImages = document.createElement('span');
spanImages.innerHTML ='<a href="#" class="' + expimg + '">images</a>';
spanImages.addEventListener('click', function (e) {
GM_setValue('autoExpandImages', !GM_getValue('autoExpandImages', false));
location.reload();
});
loadbar.appendChild(spanImages);
var spanComments = document.createElement('span');
spanComments.innerHTML = '<a href="#" class="' + expcom + '">comments</a>';
spanComments.addEventListener('click', function (e) {
GM_setValue('autoLoadComments', !GM_getValue('autoLoadComments', false));
location.reload();
});
loadbar.appendChild(spanComments);
document.querySelector('.tabmenu').appendChild(loadbar);
} else {
GM_setValue('autoExpandImages',false);
GM_setValue('autoLoadComments',false);
}
document.body.addEventListener('DOMNodeInserted', function (e) {
if ((e.target.tagName === 'DIV') && (e.target.getAttribute('id') && e.target.getAttribute('id').indexOf('siteTable') !== - 1)) {
topCP.addTopLinks();
}
}, true);
document.body.addEventListener('DOMNodeInserted', function (e) {
if ((e.target.tagName === 'DIV') && (e.target.getAttribute('id') && e.target.getAttribute('id').indexOf('siteTable') !== - 1)) {
topCP.addTopLinks();
}
}, true);
if (!topCP.opts.disableShortCut)
{
window.addEventListener('keyup', function (e) {
//t: keycode 84
if (e.keyCode === 84 && document.querySelector('.RES-keyNav-activeElement')) {
document.querySelector('.RES-keyNav-activeElement .toplink').click();
}
});
}
if (GM_getValue('autoExpandImages', false))
{
document.querySelector('#viewImagesButton').click();
}
topCP.addStyle();
topCP.addTopLinks();
}
};
if (document.body) {
setTimeout(function () {
topCP.init();
}, 300);
} else {
window.addEventListener('load', function () {
topCP.init();
}, false);
}
}) ();