ph_hotkeys_in_forum.user.js

// ==UserScript==
// @name          prohardver.hu : forum : hotkeys in forum
// @namespace     http://www.prohardver.hu/
// @include       http://www.prohardver.hu/*
// @include       http://prohardver.hu/*
// @include       http://mobilarena.hu/*
// @include       http://logout.hu/*
// ==/UserScript==

function event_handler()
{
    var is_in_article = function()
    {
        var path = document.location.pathname;
        return path.substr(0, 6) == "/teszt" || path.substr(0, 5) == "/cikk" || path.substr(0, 4) == "/hir";
    }

    var get_article_pages = function(id, path)
    {
        var obj = document.getElementById(id);
        if (obj == null)
            return null;

        return document.evaluate(path, obj, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
    }

    var go_to_forum = function(in_new_window)
    {
        if (typeof in_new_window == "boolean" && in_new_window)
            window.open("/forum/index.html");
        else if (document.location.pathname != "/forum/index.html")
            document.location.href = "/forum/index.html";
    };

    var go_to_forum_in_new_window = function()
    {
        go_to_forum(true);
    }

    var go_to_private_messages = function(in_new_window)
    {
        if (typeof in_new_window == "boolean" && in_new_window)
            window.open("/privatok/listaz.php");
        else if (document.location.pathname != "/privatok/listaz.php")
            document.location.href = "/privatok/listaz.php";
    };

    var go_to_private_messages_in_new_window = function()
    {
        go_to_private_messages(true);
    }

    var go_to_article_page = function(target)
    {
        var pages = get_article_pages("toc1", "div[1]/ul/li/a");
        if (pages == null)
            pages = get_article_pages("navi_top_pages", "div[1]/div[1]/ul/li/a");

        if (pages == null)
            return;

        var count = pages.snapshotLength;
        var index = null;
        if (target == "first" && count > 0)
        {
            index = 0;
        }
        else if (target == "last" && count > 0)
        {
            index = count - 1;
        }
        else
        {
            var current = null;
            var href = window.location.href;
            for (var n = 0; n < count; n++)
            {
                if (pages.snapshotItem(n).href == href)
                {
                    current = n;
                    break;
                }
            }

            if (current != null)
            {
                if (target == "next" && current < count - 1)
                    index = current + 1;
                else if (target == "prev" && current > 0)
                    index = current - 1;
            }
        }

        if (index != null)
        {
            href = pages.snapshotItem(index).href;
            if (href != document.location.href)
                document.location.href = href;
        }
    }

    var go_to_prev_page = function ()
    {
        if (is_in_article())
        {
            go_to_article_page("prev");
            return;
        }

        var prev = document.evaluate("//img[@src=\"/design/arr-prev-norm.gif\"]", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
        if (prev)
            document.location.href = prev.parentNode.href;
    };

    var go_to_next_page = function ()
    {
        if (is_in_article())
        {
            go_to_article_page("next");
            return;
        }

        var next = document.evaluate("//img[@src=\"/design/arr-next-norm.gif\"]", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
        if (next)
            document.location.href = next.parentNode.href;
    };

    var go_to_first_page = function()
    {
        if (is_in_article())
        {
            go_to_article_page("first");
            return;
        }

        var path = document.location.pathname;
        if (path.substr(0, 7) == "/temak/")
        {
            path = path.substr(0, path.lastIndexOf("/")) + "/listaz.php";
        }
        else
        {
            var block_size = document.evaluate("//div[@id=\"navi_top_prefs\"]/div[1]/a/b", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
            if (block_size == null)
                return;
            block_size = block_size.innerText * 1;
            path = path.substr(0, path.lastIndexOf("/")) + "/hsz_1-" + block_size + ".html";
        }

        if (path != document.location.pathname)
            document.location.pathname = path;
    };

    var go_to_last_page = function()
    {
        if (is_in_article())
        {
            go_to_article_page("last");
            return;
        }

        var path = document.location.pathname;
        var is_in_topic_list = path.substr(0, 7) == "/temak/";
        var last = document.evaluate("//div[@id=\"navi_top_pages\"]/div[1]/div[1]/ul/li[last()]/a/span[2]", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
        var block_size = document.evaluate("//div[@id=\"navi_top_prefs\"]/div[1]/a/b", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
        if (last == null || block_size == null)
            return;
        last = last.innerText * 1;
        block_size = block_size.innerText * 1;
        last -= (last % block_size);
        if (is_in_topic_list)
            path = path.substr(0, path.lastIndexOf("/")) + "/listaz.php?offset=" + last;
        else
            path = path.substr(0, path.lastIndexOf("/")) + "/hsz_" + (last + 1) + "-" + (last + block_size) + ".html";
        if (path != document.location.pathname)
            document.location.pathname = path;
    };

    var hotkeys =
    {
        "ctrl-alt-f":   go_to_forum,
        "ctrl-shift-f": go_to_forum_in_new_window,
        "ctrl-alt-p":   go_to_private_messages,
        "ctrl-shift-p": go_to_private_messages_in_new_window,
        "ctrl-alt-2":   go_to_prev_page,
        "ctrl-alt-3":   go_to_next_page,
        "ctrl-alt-1":   go_to_first_page,
        "ctrl-alt-4":   go_to_last_page
    };

    keylib_initialize(window, hotkeys);
}

if (document.body)
    event_handler();
else
    window.addEventListener("load", event_handler, false);