Add a "Thread Reply" button to forum post pages on many Lithium-based forums. This button initiates a reply to the original post instead of the linked post, even if you are not at the first page.
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// ==UserScript==
// @name Thread reply button for Lithium communities
// @namespace http://sites.google.com/site/cerisesorbet/
// @description Add a "Thread Reply" button to forum post pages on many Lithium-based forums. This button initiates a reply to the original post instead of the linked post, even if you are not at the first page.
// @include http://lithosphere.lithium.com/*
// @include http://bookclubs.barnesandnoble.com/*
// @include http://forums.verizon.com/*
// @include http://boards.adultswim.com/*
// @include http://community.secondlife.com/*
// @include https://community.secondlife.com/*
// @version 20150312
// @license MIT License
// @copyright (c) 2012-2015 Cerise Sorbet
// @grant none
// ==/UserScript==
// return global thread ID, or 0 if missing
function GetReplyThreadNumber() {
var links = document.getElementsByTagName('link');
if (links.length) {
var x; for (x = 0; x < links.length; x++) {
if (links[x].rel == 'canonical') {
var pathChop = links[x].href.split('/');
var tdpIndex = pathChop.indexOf('td-p');
if (~tdpIndex)
return Number(pathChop[tdpIndex + 1]);
}
}
}
return 0;
}
function MakeThreadReplyButton() {
// Is there an active reply button? If not, give up.
var replySpan = document.getElementsByClassName('primary-action message-reply');
if (replySpan.length) {
var replyLink = replySpan[0].getElementsByTagName('a');
if (replyLink.length == 0)
return;
}
else
return;
var replyThreadNumber = GetReplyThreadNumber();
if (replyThreadNumber) {
// create the new button
var threadReplyButton = document.createElement('span');
threadReplyButton.className = 'primary-action';
threadReplyButton.innerHTML = '<a class="lia-button lia-button-primary" style="margin-right: 10px" id="cerise-thread-reply-'
+ replyThreadNumber + '" rel="nofollow:"><span>Thread Reply</span></button>';
// squeeze in the new one
var bottomBar = document.getElementsByClassName("lia-menu-bar lia-menu-bar-bottom");
if (bottomBar.length) {
var buttonDiv = bottomBar[0].getElementsByClassName('lia-menu-bar-buttons');
if (buttonDiv.length) {
buttonDiv[0].style.display = ''; // div is there but typically hidden
buttonDiv[0].appendChild(threadReplyButton);
// The button is installed, so add an event handler.
threadReplyButton.firstChild.addEventListener('click', DoThreadReply, true);
}
}
}
}
function DoThreadReply() {
var threadNumber = this.id.replace(/^cerise-thread-reply-/, '');
// Get the board_id to build a reply URL
var XMLReq = new XMLHttpRequest();
var XMLhref = window.location.protocol + '//' + window.location.hostname
+ '/restapi/vc/messages/id/' + threadNumber + '?xslt=json.xsl&restapi.response_style=view';
XMLReq.open('GET', XMLhref, true);
XMLReq.onreadystatechange = function(e) {
if (XMLReq.readyState == 4) {
if(XMLReq.status != 200) { // HTTP error
alert('Unable to get reply link, HTTP error ' + XMLReq.status);
}
else {
try {
var article = JSON.parse(XMLReq.responseText);
}
catch(err) {
alert("Unable to get reply link, can't parse server response.");
return;
}
if (!article.response.status) { // all responses should have this
alert('Unable to get reply link, missing REST response status');
}
else if (article.response.status != "success") { // internal Lithium error, like no permission or deleted message
errorText = article.response.error.code ? '[' + article.response.error.code + '] ' : '[unknown] ';
if (article.response.error.message)
errorText += article.response.error.message;
alert("Can't get reply link, Lithium error:\n" + errorText);
}
else { // must be a success...
var message = article.response.message;
if (!message.board_id.$)
alert("Can't get message ID for thread reply");
else if (!message.board.href)
alert("Can't get board ID for thread reply");
else {
window.location.href = window.location.protocol + '//' + window.location.hostname
+ '/t5/forums/replypage/board-id/'
+ message.board.href.split('/').pop() + '/message-id/' + message.board_id.$;
}
}
}
}
};
XMLReq.send(null);
}
MakeThreadReplyButton();