MediaWiki:Common.js

$(document).ready(function() {
    console.log("Скрипт дерева категорий загружен.");

    function saveTreeHTML() {
        console.log("Сохраняем HTML дерева...");
        var treeHTML = $('#p-categorytree-portlet .CategoryTreeTag').html();
        localStorage.setItem('categoryTreeHTML', treeHTML);
    }

    function restoreTreeHTML() {
        console.log("Восстанавливаем HTML дерева...");
        var treeHTML = localStorage.getItem('categoryTreeHTML');
        if (treeHTML) {
            $('#p-categorytree-portlet .CategoryTreeTag').html(treeHTML);
        }
    }

    restoreTreeHTML();

    $('body').on('click', '#p-categorytree-portlet .CategoryTreeItem', function(event) {
        var $target = $(event.target);
        var $item = $(this);
        var $toggleButton = $item.find('.CategoryTreeToggle').first();
        var isCategory = !$item.find('.CategoryTreePageBullet').length;

        if ($target.hasClass('CategoryTreeToggle')) return;

        if ($target.is('a') && isCategory) {
            event.preventDefault();
            $toggleButton.click();
        } else if (isCategory) {
            $toggleButton.click();
        } else {
            var link = $item.find('a').attr('href');
            if (link) {
                saveTreeHTML();
                localStorage.setItem('lastOpenedPageTitle', $item.text().trim());
                window.location.href = link;
            }
        }
        saveTreeHTML();
    });

    setTimeout(function() {
        var lastOpenedPageTitle = localStorage.getItem('lastOpenedPageTitle');
        if (lastOpenedPageTitle) {
            var $lastOpenedItem = $('#p-categorytree-portlet .CategoryTreeItem').filter(function() {
                return $(this).text().trim() === lastOpenedPageTitle;
            });

            if ($lastOpenedItem.length) {
                $('#p-categorytree-portlet').animate({
                    scrollTop: $lastOpenedItem.position().top - 50
                }, 500, function() {
                    // Добавляем подсветку на 1.5 секунды
                    $lastOpenedItem.addClass('highlighted');
                    setTimeout(function() {
                        $lastOpenedItem.removeClass('highlighted');
                    }, 1500);
                });

                localStorage.removeItem('lastOpenedPageTitle');
            }
        }
    }, 500);

    $(window).on('beforeunload', saveTreeHTML);
});