PrestaShop Ps_CategoryTree Full tree

ps_categorytree.php

    //...

    public function getWidgetVariables($hookName = null, array $configuration = [])
    {
        $category = new Category((int)Configuration::get('PS_HOME_CATEGORY'), $this->context->language->id);

        if (Configuration::get('BLOCK_CATEG_ROOT_CATEGORY') && isset($this->context->cookie->last_visited_category) && $this->context->cookie->last_visited_category) {
            $category = new Category($this->context->cookie->last_visited_category, $this->context->language->id);
            if (Configuration::get('BLOCK_CATEG_ROOT_CATEGORY') == 2 && !$category->is_root_category && $category->id_parent) {
                $category = new Category($category->id_parent, $this->context->language->id);
            } elseif (Configuration::get('BLOCK_CATEG_ROOT_CATEGORY') == 3 && !$category->is_root_category && !$category->getSubCategories($category->id, true)) {
                $category = new Category($category->id_parent, $this->context->language->id);
            }
        }

        /**
         * In tpl.: 
         * 
         * {if $node.id|in_array:$parentList}aria-expanded="true"{/if}
         */
        $currentCat = new Category((int)Tools::getValue('id_category'));
        $parents = $currentCat->getParentsCategories();
        $parentList = array();
        foreach($parents as $parent) {
            $parentList[] = $parent['id_category'];
        }

        return [
            'categories' => $this->getCategories($category),
            'currentCategory' => $category->id,
            'parentList' => $parentList,
        ];
    }

    //...