Use ← or → and Ctrl to navigate to previous, next, first or last page
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// ==UserScript==
// @name Thread Navigating by Arrow keys
// @namespace https://greasyfork.org/scripts/6849-thread-navigating-by-arrow-keys
// @description Use ← or → and Ctrl to navigate to previous, next, first or last page
// @author theheroofvn
// @include /^.*(thread|forum|diendan).*$/
// @include http://www.vn-zoom.com/*
// @require http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js
// @grant none
// @version 5.9
// @copyright 2014, theheroofvn
// ==/UserScript==
if (frameElement) return;
this.$ = this.jQuery = jQuery.noConflict(true);
var prev, next, first, last, up, up_sub = '[itemtype="http://data-vocabulary.org/Breadcrumb"] a';
var site_info = [
{
host: "www.webtretho.com",
prev: "a.arrowPrePage",
next: "a.arrowNextPage",
first: "a.arrowFstPage",
last: "a.arrowLstPage"
},
{
host: "forum.bkav.com.vn",
prev: "a.js-pagenav-prev-button[href]:not([href=''])",
next: "a.js-pagenav-next-button[href]:not([href=''])",
first: "a[data-page='1']",
last: "a.js-pagenav-button[href]:not([href='']):nth-last-child(2)",
up: "#breadcrumbs a.crumb-link"
}
];
function custom_site(list) {
if (list.length === 0) return 0;
for (var i = 0; i < list.length; i++) {
if (location.hostname == list[i].host) {
prev = list[i].prev;
next = list[i].next;
first = list[i].first;
last = list[i].last;
up = list[i].up;
return 1;
}
}
return 0;
}
function checkScriptExist(script) {
return $('script[src*="' + script + '"]').length > 0 ? true : false;
}
function detect_forum() {
var result = "";
if (checkScriptExist("vbulletin")) result = "vbb"; else if (checkScriptExist("xenforo")) result = "xenforo"; else if (checkScriptExist("general.js")) result = "mybb"; else if (checkScriptExist("forum_fn.js")) result = "phpbb";
return result;
}
var detect = detect_forum();
if (custom_site(site_info) === 0) {
if (detect == "vbb") {
prev = 'a[rel="prev"]';
next = 'a[rel="next"]';
first = 'a[rel="start"]';
last = 'a[title^="Last"], a[title*="uối"]';
up = "span.navbar a, li.navbit a";
} else if (detect == "xenforo") {
prev = ".PageNav a.text:first-child";
next = ".PageNav a.text:last-child";
last = ".PageNav nav > a:nth-last-child(2)";
first = 'a[rel="start"]';
up = "a.crumb";
} else if (detect == "mybb") {
prev = "a.pagination_previous";
next = "a.pagination_next";
first = "a.pagination_first";
last = "a.pagination_last";
up = ".navigation > a";
} else if (detect == "phpbb") {
prev = ".display-options a.left-box.left";
next = ".display-options a.right-box.right";
first = ".pagination > span > a:first-child";
last = ".pagination > span > a:last-child";
up = ".navlinks > .icon-home a";
} else return;
}
var nav = {
prev: $(prev)[0],
next: $(next)[0],
first: $(first)[0],
last: $(last)[0],
up: function() {
return $(up).length > 0 ? $(up).last()[0] : $(up_sub).last()[0];
}
};
var allowed = true;
$(window).keydown(function(e) {
if (!allowed) return;
allowed = false;
var key = e.keyCode, action = null;
if (e.ctrlKey) {
allowed = true;
if (key == 39) action = "last";
else if (key == 37) action = "first";
else if (key == 8) action = "up";
}
else if (key == 39) action = "next";
else if (key == 37) action = "prev";
else return;
if (!action || typeof nav[action] === "undefined" || e.target.tagName == "INPUT" || e.target.tagName == "TEXTAREA") return;
var link = (typeof nav[action] === "function") ? nav[action]() : nav[action];
window.location = link;
}).keyup(function(e) {
allowed = true;
});