Thread Navigating by Arrow keys

Use ← or → and Ctrl to navigate to previous, next, first or last page

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey, το Greasemonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Userscripts για να εγκαταστήσετε αυτόν τον κώδικα.

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

Θα χρειαστεί να εγκαταστήσετε μια επέκταση διαχείρισης κώδικα χρήστη για να εγκαταστήσετε αυτόν τον κώδικα.

(Έχω ήδη έναν διαχειριστή κώδικα χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

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.

(Έχω ήδη έναν διαχειριστή στυλ χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

// ==UserScript==
// @name            Thread Navigating by Arrow keys
// @name:vi         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
// @description:vi  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         https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js
// @noframes
// @grant           GM_addStyle
// @version         6.8
// ==/UserScript==

$(document).ready(function () {
    $(window).focus();

    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() {
        if (window.location.hostname === 'forum.xda-developers.com') {
            return 'vbb';
        }

        let result = "";

        if (checkScriptExist("vbulletin")) result = "vbb";
        else if (checkScriptExist("/js/xf/")) result = "xenforo";
        else if (checkScriptExist("general.js")) result = "mybb";
        else if (checkScriptExist("forum_fn.js")) result = "phpbb";

        return result;
    }

    var prev, next, first, last, up, up_sub = '[itemtype="https://schema.org/BreadcrumbList"] a';
    var site_info = [
        {
            host: "voz.vn",
            prev: "a.pageNav-jump--prev",
            next: "a.pageNav-jump--next",
            first: ".pageNav-main>.pageNav-page:first-child>a",
            last: ".pageNav-main>.pageNav-page:last-child>a"
        }
        , {
            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",
            next: "a.js-pagenav-next-button",
            first: "a[data-page='1']",
            last: "a.js-pagenav-button:nth-last-child(2)",
            up: "#breadcrumbs a.crumb-link"
        }
    ];

    if (custom_site(site_info) === 0) {
        switch (detect_forum()) {
            case 'vbb':
                prev = 'a[rel="prev"]';
                next = 'a[rel="next"]';
                first = 'a[rel="start"], a[rel="first"]';
                last = 'a[title^="Last"], a[title*="uối"]';
                up = "span.navbar a, li.navbit a";
                break;
            case 'xenforo':
                prev = "a.pageNav-jump--prev";
                next = "a.pageNav-jump--next";
                last = ".pageNav-main > .pageNav-page:last-child > a";
                first = '.pageNav-main > .pageNav-page:first-child > a';
                // up = ".p-breadcrumbs";
                break;
            case 'mybb':
                prev = "a.pagination_previous";
                next = "a.pagination_next";
                first = "a.pagination_first";
                last = "a.pagination_last";
                up = ".navigation > a";
                break;
            case '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";
                break;
            default:
                return;
        }
    }

    var nav = {
        prev: function () {
            return $(prev);
        },

        next: function () {
            return $(next);
        },

        first: function () {
            if ($(first).length > 0) {
                return $(first);
            } else {
                var $prev = $(prev).first();

                if ($prev) {
                    $prev.attr('href', function (_, value) {
                        return value.replace(/page=\d+/, 'page=1');
                    });

                    return $prev;
                } else {
                    return $();
                }
            }
        },

        last: function () {
            if ($(last).length > 0) {
                return $(last);
            } else {
                var $next = $(next).first();

                if ($next) {
                    $next.attr('href', function (_, value) {
                        return value.replace(/page=\d+/, 'page=9999');
                    });

                    return $next;
                } else {
                    return $();
                }
            }
        },

        up: function () {
            return $(up).length > 0 ? $(up).last() : $(up_sub).last();
        }
    };

    var allowed = true;

    $(document).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 || e.target.tagName == "INPUT" || e.target.tagName == "TEXTAREA" || e.target.isContentEditable) {
            return;
        }

        var $anchor = nav[action]();

        if ($anchor.length) {
            window.location.href = $anchor[0].href;
        }
    }).keyup(function (e) {
        allowed = true;
    });
});