ph_hotkeys_in_forum.user.js

// ==UserScript==
// @name      prohardver.hu : forum : hotkeys in forum
// @include   http://prohardver.hu/*
// @include   http://mobilarena.hu/*
// @include   http://logout.hu/*
// @include   http://itcafe.hu/*
// @include   http://gamepod.hu/*
// @include   http://hardverapro.hu/*
// @version   1.1
// ==/UserScript==

(function()
{
    var event_handler = function()
    {
        var is_old_style = document.location.host == "logout.hu" || document.location.host == "hardverapro.hu";

        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 is_in_list = function()
        {
            var path = document.location.pathname.substr(0, 7);
            return path == "/temak/" || path == "/aprok/";
        }

        var get_block_size = function()
        {
            try
            {
                if (is_old_style)
                {
                    var text = document.evaluate("//select[@name=\"listsett\"]", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue.options[0].text;
                    var n = text.indexOf(" ");
                    if (n == -1)
                        return null;
                    return text.substr(0, n) * 1;
                }
                else
                {
                    return document.evaluate("//div[@id=\"navi_top_prefs\"]/div[1]/a/b", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue.innerText * 1;
                }
            }
            catch (e)
            {
                return null;
            }
        }

        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)
        {
            if (is_old_style)
            {
                try
                {
                    var pages = document.evaluate("//div[@class=\"toc\"]/form/select", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue.options;
                    var count = pages.length;
                    var index = null;
                    if (target == "first" && count > 0)
                    {
                        index = 0;
                    }
                    else if (target == "last" && count > 0)
                    {
                        index = count - 1;
                    }
                    else
                    {
                        var current = pages.selectedIndex;
                        if (target == "next" && current < count - 1)
                            index = current + 1;
                        else if (target == "prev" && current > 0)
                            index = current - 1;
                    }

                    if (index == null)
                        return;

                    var path = document.location.pathname;
                    path = path.substr(0, path.lastIndexOf("/") + 1) + pages[index].value + ".html";
                    if (path != document.location.pathname)
                        document.location.pathname = path;
                }
                catch (e)
                {
                }
            }
            else
            {
                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(is_old_style ? "//img[@src=\"/design/arr_prev.gif\"]" : "//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(is_old_style ? "//img[@src=\"/design/arr_next.gif\"]" : "//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;
            var search = document.location.search;
            if (is_in_list())
            {
                path = path.substr(0, path.lastIndexOf("/")) + "/listaz.php";
                search = "";
            }
            else
            {
                var block_size = get_block_size();
                if (block_size == null)
                    return;
                path = path.substr(0, path.lastIndexOf("/")) + "/hsz_1-" + block_size + ".html";
            }

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

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

            var path = document.location.pathname;
            var block_size = get_block_size();
            var last;
            try
            {
                if (is_old_style)
                {
                    last = document.evaluate("//select[@name=\"ugro\"]/option[last()]", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue.text;
                    var n = last.lastIndexOf(" ");
                    if (n == -1)
                        return;
                    last = last.substr(n + 1) * 1;
                }
                else
                {
                    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.innerText * 1;
                }
            }
            catch (e)
            {
                return;
            }

            if (last == null || block_size == null)
                return;
            last -= (last % block_size);

            if (is_in_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 go_to_comments = function()
        {
            try
            {
                document.location.href = document.evaluate(is_old_style ? "//a[@name=\"rel_msgs\"]" : "//li[@class=\"oforum\"]/a", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue.href;
            }
            catch (e)
            {
            }
        };

        var go_to_article = function()
        {
            try
            {
                document.location.href = document.evaluate(is_old_style ? "//div[@class=\"kapcsanyag\"]/a" : "//div[@class=\"inr\"]/following-sibling::a", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue.href;
            }
            catch (e)
            {
            }
        };

        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,
            "ctrl-alt-c":   go_to_comments,
            "ctrl-alt-a":   go_to_article
        };

        keylib_initialize(window, hotkeys);
    }

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