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A userscript to enhance HF by providing infinite scrolling on thread listings and post listings
// ==UserScript==
// @name HF Infiniscroll
// @author emanb29
// @namespace http://hackforums.net/
// @version 0.8
// @description A userscript to enhance HF by providing infinite scrolling on thread listings and post listings
// @include *hackforums.net/*
// @copyright 2014+, emanb29
// @grant GM_addStyle
// @grant GM_xmlhttpRequest
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_log
// @grant GM_info
// @require http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js
// ==/UserScript==
if (window.location.href.match(".+://.*\\.?hackforums\\.net/showthread\\.php\\?tid=[0-9]+")){
GM_log('tid match');
var tid = window.location.href.match("tid=[0-9]+")[0],
maxpgs,
page = 1,
allow = true,
setting = true,
postid;
$('.pagination').append('<span class="bitButton HFScroll" style="padding: 5px; cursor: pointer;" title="Infinite Scroll"><img class="ScrollImg" src="' + "http://i.imgur.com/H2OONnP.png" + '""/></span>');
if (getSettings("iScroll") === null){saveSettings("iScroll", true)}
if (getSettings("iScroll") === true){
$('.ScrollImg').attr("src", "http://i.imgur.com/M4Bu1Zp.png");
setting = true;
}
if (getSettings("iScroll") === false){
$('.ScrollImg').attr("src", "http://i.imgur.com/H2OONnP.png");
setting = false;
}
try {
maxpgs = ($('a[class="pagination_next"]')[0]) ? $('a[class="pagination_next"]').prev()[0].innerHTML : $('span[class="pagination_current"]')[0].innerText;
} catch (ex) {
maxpgs = 1;
}
page = document.getElementsByClassName("pagination_current")[0].innerText;
postid = $('#posts');
$(window).scroll(function () {
if (setting === true){
var height = $(document).height() - $(window).height();
if ($(window).scrollTop() === height){
console.log("infiniscroll");
}
}
});
function request(page){
$.ajax({
type: "get",
url: "/showthread.php?" + tid + "&page=" + page,
dataType: "html",
success: function (data){
$(data).find('div#posts').each(function(){
postid.last().append('<br /> <table border="0" cellspacing="1" cellpadding="4" class="tborder" style="cursor: pointer; text-align: center; clear: both; border-bottom-width: 0;">' +
'<tbody class="HFbreak"><tr>' +
'<td class="thead" colspan="2">' +
'<div>' +
'<strong>Page: ' + page + '</strong>' +
'</div>' +
'</td>' +
'</tr>' +
'</tbody></table><br />');
var posts = $(this);
postid.last().append(posts.children());
$(".HFbreak").click(function(){
window.scrollTo(0, document.body.scrollHeight - 1000);
});
});
allow = true;
}
});
}
function saveSettings(aVal, aKey) {
localStorage.setItem(aVal, JSON.stringify(aKey));
}
function getSettings(aKey) {
var str = localStorage.getItem(aKey);
return JSON.parse(str);
}
$(".bitButton.HFScroll").click(function(){
if (setting === true){
saveSettings("iScroll", false);
$('.ScrollImg').attr("src", "http://i.imgur.com/H2OONnP.png");
setting = false;
GM_log(setting);
}else{
saveSettings("iScroll", true);
$('.ScrollImg').attr("src", "http://i.imgur.com/M4Bu1Zp.png");
setting = true;
GM_log(setting);
}
});
} else if (window.location.href.match(".+://.*\\.?hackforums\\.net/forumdisplay\\.php\\?fid=[0-9]+")) {
GM_log('fid match');
var fid = window.location.href.match("fid=[0-9]+")[0],
maxpgs,
page = 1,
allow = true,
setting,
threadid,
currentpage;
$('.pagination').append('<span class="bitButton HFScroll" style="padding: 5px; cursor: pointer;" title="Infinite Scroll"><img class="ScrollImg" src="' + "http://i.imgur.com/H2OONnP.png" + '""/></span>');
if (getSettings("iScroll") === null){saveSettings("iScroll", true)}
if (getSettings("iScroll") === true){
$('.ScrollImg').attr("src", "http://i.imgur.com/M4Bu1Zp.png");
setting = true;
}
if (getSettings("iScroll") === false){
$('.ScrollImg').attr("src", "http://i.imgur.com/H2OONnP.png");
setting = false;
}
try {
maxpgs = ($('a[class="pagination_next"]')[0]) ? $('a[class="pagination_next"]').prev()[0].innerHTML : $('span[class="pagination_current"]')[0].innerText;
} catch (ex) {
maxpgs = 1;
}
currentpage = document.getElementsByClassName("pagination_current")[0].innerText;
page = document.getElementsByClassName("pagination_current")[0].innerText;
threadid = $('table[style="clear: both;"]>tbody');
$(window).scroll(function () {
if (setting === true){
var height = $(document).height() - $(window).height();
if ($(window).scrollTop() === height){
if (allow = true && window.location.href.match(".+://.*\\.?hackforums\\.net/forumdisplay\\.php\\?fid=[0-9]+")){
if (parseInt(page) < parseInt(maxpgs)){
allow = false;
page ++;
GM_log("Page: " + page);
request(page);
}
}
}
}
});
var request = function(page){
$.ajax({
type: "get",
url: "/forumdisplay.php?" + fid + "&page=" + page,
dataType: "html",
success: function (data){
var tr = $(data).find('table[style="clear: both;"]>tbody tr:not(:first)');
$('table[style="clear: both;"]>tbody>tr:last').remove();
threadid.last().append(tr);
allow = true;
}
});
}
function saveSettings(aVal, aKey) {
localStorage.setItem(aVal, JSON.stringify(aKey));
}
function getSettings(aKey) {
var str = localStorage.getItem(aKey);
return JSON.parse(str);
}
}