Ohne Zugriffsebenen

README.md

@@ -1,4 +0,0 @@
-# EIS
-
-Joomla-Modul für die Ansicht von PDF's
-Das kommt alles noch

com_eis/administrator/language/de-DE/de-DE.com_eis.ini

@@ -0,0 +1,48 @@
+; Joomla Backend – UI-Texte
+
+; Allgemein
+COM_EIS_TITLE="EIS"
+COM_EIS_SUBTITLE="Dokumentenverwaltung"
+COM_EIS_BACK="Zurück"
+COM_EIS_SAVE="Speichern"
+COM_EIS_CANCEL="Abbrechen"
+COM_EIS_APPLY="Anwenden"
+COM_EIS_CLOSE="Schließen"
+
+; Main View (Baum & Scan)
+COM_EIS_PDF_TREE="PDF-Baum"
+COM_EIS_SCAN_DOCUMENTS="Dokumente einlesen"
+COM_EIS_DOCUMENT_PATH="Dokumenten-Pfad"
+COM_EIS_NO_DOCUMENTS_FOUND="Noch keine Dokumente in der Datenbank. Bitte zuerst „Dokumente einlesen“ ausführen."
+COM_EIS_EXPAND_ALL="Ausklappen"
+COM_EIS_COLLAPSE_ALL="Einklappen"
+COM_EIS_PREVIEW_OPEN_NEWTAB="Im neuen Tab öffnen"
+COM_EIS_PREVIEW_TITLE="PDF-Vorschau"
+COM_EIS_FILESIZE="Dateigröße"
+COM_EIS_VIRTUAL_NEW="Neue Dokumente"
+
+; Config View (Einstellungen)
+COM_EIS_SETTINGS_TITLE="Einstellungen"
+COM_EIS_FIELDSET_GENERAL="Allgemein"
+COM_EIS_FIELD_DOCUMENT_ROOT_LABEL="Basis-Verzeichnis für PDFs"
+COM_EIS_FIELD_DOCUMENT_ROOT_DESC="Absoluter Serverpfad, in dem die PDF-Dateien liegen (z. B. /var/www/pdf)."
+
+; Meldungen
+COM_EIS_MSG_SAVED_SUCCESS="Einstellungen wurden gespeichert."
+COM_EIS_MSG_SAVED_ERROR="Einstellungen konnten nicht gespeichert werden."
+COM_EIS_MSG_SCAN_STARTED="Einlesen gestartet."
+COM_EIS_MSG_SCAN_DONE="Einlesen abgeschlossen."
+COM_EIS_MSG_INVALID_PATH="Der angegebene Pfad ist ungültig oder nicht lesbar."
+
+; Toolbar/Buttons (falls eigene Toolbars)
+COM_EIS_TOOLBAR_SAVE="Speichern"
+COM_EIS_TOOLBAR_APPLY="Übernehmen"
+COM_EIS_TOOLBAR_CLOSE="Schließen"
+
+COM_EIS_MSG_PATH_NOT_EXISTS="Hinweis: Das Verzeichnis „%s“ existiert nicht."
+COM_EIS_MSG_PATH_NOT_READABLE="Hinweis: Das Verzeichnis „%s“ ist nicht lesbar."
+
+COM_EIS_ACCESS_TITLE="Zugriff (Top-Level-Ordner)"
+COM_EIS_FIELD_VIEWLEVEL="Zugriffsebene"
+COM_EIS_ACCESS_HELP="Nur für Ordner der ersten Ebene. Unterordner und Dateien erben die Einstellung."
+

com_eis/administrator/language/de-DE/de-DE.com_eis.sys.ini

@@ -0,0 +1,6 @@
+; Joomla Backend – Systemtexte (Menü, Erweiterungsname, Kurzbeschreibung)
+COM_EIS="EIS"
+COM_EIS_MENU="EIS"
+COM_EIS_MAIN="EIS-Dokumente"
+COM_EIS_CONFIG="Einstellungen"
+COM_EIS_XML_DESCRIPTION="EIS Komponente zum Verwalten und Anzeigen von PDFs."

com_eis/administrator/language/en-GB/en-GB.com_eis.ini

@@ -0,0 +1,32 @@
+COM_EIS_TITLE="EIS"
+COM_EIS_SUBTITLE="Document Management"
+COM_EIS_BACK="Back"
+COM_EIS_SAVE="Save"
+COM_EIS_CANCEL="Cancel"
+COM_EIS_APPLY="Apply"
+COM_EIS_CLOSE="Close"
+
+COM_EIS_PDF_TREE="PDF Tree"
+COM_EIS_SCAN_DOCUMENTS="Scan Documents"
+COM_EIS_DOCUMENT_PATH="Document Path"
+COM_EIS_NO_DOCUMENTS_FOUND="No documents in the database yet. Please run “Scan Documents” first."
+COM_EIS_EXPAND_ALL="Expand All"
+COM_EIS_COLLAPSE_ALL="Collapse All"
+COM_EIS_PREVIEW_OPEN_NEWTAB="Open in new tab"
+COM_EIS_PREVIEW_TITLE="PDF Preview"
+COM_EIS_FILESIZE="File size"
+
+COM_EIS_SETTINGS_TITLE="Settings"
+COM_EIS_FIELDSET_GENERAL="General"
+COM_EIS_FIELD_DOCUMENT_ROOT_LABEL="Base directory for PDFs"
+COM_EIS_FIELD_DOCUMENT_ROOT_DESC="Absolute server path containing the PDF files (e.g. /var/www/pdf)."
+
+COM_EIS_MSG_SAVED_SUCCESS="Settings saved."
+COM_EIS_MSG_SAVED_ERROR="Settings could not be saved."
+COM_EIS_MSG_SCAN_STARTED="Scan started."
+COM_EIS_MSG_SCAN_DONE="Scan finished."
+COM_EIS_MSG_INVALID_PATH="The specified path is invalid or not readable."
+
+COM_EIS_TOOLBAR_SAVE="Save"
+COM_EIS_TOOLBAR_APPLY="Apply"
+COM_EIS_TOOLBAR_CLOSE="Close"

com_eis/administrator/language/en-GB/en-GB.com_eis.sys.ini

@@ -0,0 +1,5 @@
+COM_EIS="EIS"
+COM_EIS_MENU="EIS"
+COM_EIS_MAIN="EIS Documents"
+COM_EIS_CONFIG="Settings"
+COM_EIS_XML_DESCRIPTION="EIS component for managing and viewing PDFs."

com_eis/administrator/services/provider.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace EIS\Component\EIS;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Extension\Service\Provider\ComponentDispatcherFactory;
+use Joomla\CMS\Extension\Service\Provider\MVCFactory;
+use Joomla\CMS\Extension\Service\Provider\RouterFactory;
+use Joomla\CMS\Extension\ComponentInterface;
+use Joomla\CMS\Extension\MVCComponent;
+use Joomla\CMS\Dispatcher\ComponentDispatcherFactoryInterface;
+use Joomla\DI\Container;
+use Joomla\DI\ServiceProviderInterface;
+use EIS\Component\EIS\Site\Controller\DownloadController;
+
+return new class implements ServiceProviderInterface
+{
+    public function register(Container $container): void
+    {
+        // MVC-Basisregistrierung
+        $container->registerServiceProvider(new ComponentDispatcherFactory('\\EIS\\Component\\EIS'));
+        $container->registerServiceProvider(new MVCFactory('\\EIS\\Component\\EIS'));
+        $container->registerServiceProvider(new RouterFactory('\\EIS\\Component\\EIS'));
+
+        // Optional: DownloadController explizit registrieren (kann auch weggelassen werden)
+        $container->set(
+            DownloadController::class,
+            fn(Container $c) => new DownloadController()
+        );
+
+        // Komponentenschnittstelle
+        $container->set(
+            ComponentInterface::class,
+            static fn(Container $c) => new MVCComponent(
+                $c->get(ComponentDispatcherFactoryInterface::class)
+            )
+        );
+    }
+};

com_eis/administrator/sql/install.mysql.utf8.sql

@@ -0,0 +1,43 @@
+-- Documents
+CREATE TABLE IF NOT EXISTS `#__eis_documents` (
+  `id`         INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `name`       VARCHAR(255) NOT NULL,
+  `path`       TEXT         NOT NULL,
+  `parent_id`  INT UNSIGNED DEFAULT NULL,
+  `is_folder`  TINYINT(1)   NOT NULL DEFAULT 0,
+  `title`      VARCHAR(255) DEFAULT NULL,
+  `description` TEXT        DEFAULT NULL,
+  `ordering`   INT          NOT NULL DEFAULT 0,
+  `created`    DATETIME     DEFAULT NULL,
+  `modified`   DATETIME     DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_eis_docs_parent`   (`parent_id`),
+  KEY `idx_eis_docs_ordering` (`ordering`),
+  KEY `idx_eis_docs_name`     (`name`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- Settings (Key/Value)
+CREATE TABLE IF NOT EXISTS `#__eis_settings` (
+  `id`       INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `param`    VARCHAR(191) NOT NULL,
+  `value`    TEXT         NULL,
+  `created`  DATETIME     DEFAULT NULL,
+  `modified` DATETIME     DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `uniq_param` (`param`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE IF NOT EXISTS `#__eis_folder_access` (
+  `folder_id` INT UNSIGNED NOT NULL,
+  `viewlevel_id` INT UNSIGNED NOT NULL,
+  `modified` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  PRIMARY KEY (`folder_id`),
+  KEY `idx_viewlevel` (`viewlevel_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+
+
+-- Standardwert für den PDF-Pfad (leer = noch nicht gesetzt)
+
+INSERT IGNORE INTO `#__eis_settings` (`param`, `value`, `created`, `modified`)
+VALUES ('document_root', '/var/www/pdf', NOW(), NOW());

com_eis/administrator/sql/uninstall.mysql.utf8.sql

@@ -0,0 +1,2 @@
+DROP TABLE IF EXISTS `#__eis_settings`;
+DROP TABLE IF EXISTS `#__eis_documents`;

com_eis/administrator/sql/updates/1.1.2.sql

@@ -0,0 +1,70 @@
+-- UTF-8, kein BOM
+-- EIS – Schema-Update 1.1.1
+-- Ziel: fehlende Tabellen anlegen, fehlende Spalten/Indizes ergänzen.
+
+-- ==========================================================
+-- 1) Einstellungen (neu in 1.1.1)
+-- ==========================================================
+CREATE TABLE IF NOT EXISTS `#__eis_settings` (
+  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `param` VARCHAR(191) NOT NULL,
+  `value` TEXT NULL,
+  `created` DATETIME NULL DEFAULT NULL,
+  `modified` DATETIME NULL DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `uniq_param` (`param`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+INSERT IGNORE INTO `#__eis_settings` (`param`, `value`, `created`, `modified`)
+VALUES ('document_root', '', NOW(), NOW());
+
+-- ==========================================================
+-- 2) Dokumente (Bestand absichern)
+--    Falls ältere Installationen die Tabelle nicht haben.
+-- ==========================================================
+CREATE TABLE IF NOT EXISTS `#__eis_documents` (
+  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `name` VARCHAR(255) NOT NULL,
+  `path` TEXT NOT NULL,
+  `parent_id` INT UNSIGNED DEFAULT NULL,
+  `is_folder` TINYINT(1) NOT NULL DEFAULT 0,
+  `title` VARCHAR(255) DEFAULT NULL,
+  `description` TEXT DEFAULT NULL,
+  `ordering` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE IF NOT EXISTS `#__eis_folder_access` (
+  `folder_id` INT UNSIGNED NOT NULL,
+  `viewlevel_id` INT UNSIGNED NOT NULL,
+  `modified` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  PRIMARY KEY (`folder_id`),
+  KEY `idx_viewlevel` (`viewlevel_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+
+-- Falls es Altbestände ohne neue Spalten gab, Spalten idempotent ergänzen
+ALTER TABLE `#__eis_documents`
+  ADD COLUMN IF NOT EXISTS `title` VARCHAR(255) DEFAULT NULL,
+  ADD COLUMN IF NOT EXISTS `description` TEXT DEFAULT NULL,
+  ADD COLUMN IF NOT EXISTS `ordering` INT NOT NULL DEFAULT 0,
+  MODIFY COLUMN `is_folder` TINYINT(1) NOT NULL DEFAULT 0;
+
+-- Nützliche Indizes (idempotent)
+CREATE INDEX IF NOT EXISTS `idx_eis_docs_parent`   ON `#__eis_documents` (`parent_id`);
+CREATE INDEX IF NOT EXISTS `idx_eis_docs_ordering` ON `#__eis_documents` (`ordering`);
+CREATE INDEX IF NOT EXISTS `idx_eis_docs_name`     ON `#__eis_documents` (`name`);
+
+-- Optional: Selbst-Referenz als FK (nur wenn du ON DELETE CASCADE willst)
+-- Achtung: MySQL verlangt gleiche Kollation/Engine; Namen idempotent prüfen:
+-- (MySQL kennt kein "ADD CONSTRAINT IF NOT EXISTS", daher defensiv erst droppen)
+-- SET @fk_exists := (
+--   SELECT COUNT(*)
+--   FROM information_schema.REFERENTIAL_CONSTRAINTS
+--   WHERE CONSTRAINT_SCHEMA = DATABASE()
+--     AND CONSTRAINT_NAME = 'fk_eis_docs_parent'
+-- );
+-- SET @sql := IF(@fk_exists = 0,
+--   'ALTER TABLE `#__eis_documents` ADD CONSTRAINT `fk_eis_docs_parent` FOREIGN KEY (`parent_id`) REFERENCES `#__eis_documents`(`id`) ON DELETE CASCADE;',
+--   'SELECT 1');
+-- PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

com_eis/administrator/src/Controller/ConfigController.php

@@ -0,0 +1,58 @@
+<?php
+namespace EIS\Component\EIS\Administrator\Controller;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\MVC\Controller\BaseController;
+use Joomla\CMS\Router\Route;
+use Joomla\CMS\Session\Session;
+use EIS\Component\EIS\Administrator\Helper\SettingsHelper;
+
+class ConfigController extends BaseController
+{
+    public function save(): void
+    {
+        // CSRF
+        if (!Session::checkToken('post')) {
+            throw new \RuntimeException(Text::_('JINVALID_TOKEN'), 403);
+        }
+
+        $app   = Factory::getApplication();
+        $input = $app->getInput();
+
+        // Feldname aus dem Config-Template
+        $path  = (string) $input->post->get('document_root', '', 'string');
+        $path  = trim($path);
+
+        // Minimal-Validierung & Normalisierung
+        // (Hier kein striktes is_readable(), damit man den Pfad auch erst konfigurieren kann,
+        //  wenn das Verzeichnis später angelegt/umgehängt wird. Warnen ist aber hilfreich.)
+        if ($path === '') {
+            $app->enqueueMessage(Text::_('COM_EIS_MSG_INVALID_PATH') ?: 'Bitte einen gültigen Pfad angeben.', 'warning');
+            $this->setRedirect(Route::_('index.php?option=com_eis&view=config', false));
+            return;
+        }
+
+        // Doppelte Slashes und trailing Slash bereinigen
+        $path = preg_replace('#/+#', '/', $path);
+        // Lass den Root-Slash stehen, entferne sonst trailing Slash
+        if ($path !== '/' && str_ends_with($path, '/')) {
+            $path = rtrim($path, '/');
+        }
+
+        // Optional: Hinweise zur Existenz/Lesbarkeit (nur Hinweis, kein Hard-Error)
+        if (!is_dir($path)) {
+            $app->enqueueMessage(Text::sprintf('COM_EIS_MSG_PATH_NOT_EXISTS', $path) ?: "Hinweis: Verzeichnis existiert nicht: {$path}", 'notice');
+        } elseif (!is_readable($path)) {
+            $app->enqueueMessage(Text::sprintf('COM_EIS_MSG_PATH_NOT_READABLE', $path) ?: "Hinweis: Verzeichnis nicht lesbar: {$path}", 'notice');
+        }
+
+        // Persistieren
+        SettingsHelper::setSetting('document_root', $path);
+
+        $app->enqueueMessage(Text::_('COM_EIS_MSG_SAVED_SUCCESS') ?: 'Einstellungen wurden gespeichert.', 'message');
+        $this->setRedirect(Route::_('index.php?option=com_eis&view=config', false));
+    }
+}

com_eis/administrator/src/Controller/DisplayController.php

@@ -0,0 +1,218 @@
+<?php
+
+namespace EIS\Component\EIS\Administrator\Controller;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\MVC\Controller\BaseController;
+use Joomla\CMS\Router\Route;
+use Joomla\CMS\Session\Session;
+use Joomla\Database\DatabaseDriver;
+use EIS\Component\EIS\Administrator\Helper\SettingsHelper;
+use EIS\Component\EIS\Administrator\Service\DocumentScanner;
+
+class DisplayController extends BaseController
+{
+    protected $default_view = 'main';
+
+    /**
+     * Button-Aktion: PDF-Verzeichnis scannen und in Datenbank speichern
+     */
+
+    public function scan(): void
+{
+    // CSRF prüfen (Form hat Token)
+    if (!Session::checkToken('post')) {
+        throw new \RuntimeException(Text::_('JINVALID_TOKEN'), 403);
+    }
+
+    $app = Factory::getApplication();
+
+    try {
+        $newIds = DocumentScanner::run();
+
+        // Wie bisher: New IDs für die View (virtueller Ordner "Neue Dokumente")
+        $app->setUserState('com_eis.new_ids', $newIds);
+
+        $app->enqueueMessage(Text::_('COM_EIS_MSG_SCAN_DONE') ?: 'PDF-Struktur erfolgreich gespeichert.', 'message');
+    } catch (\Throwable $e) {
+        $app->enqueueMessage($e->getMessage(), 'error');
+    }
+
+    $this->setRedirect(Route::_('index.php?option=com_eis&view=main', false));
+}
+    /**
+     * Rekursive Verzeichnisanalyse
+     */
+    private function scanFolder(string $dir): array
+    {
+        $result = [];
+        if (!is_dir($dir)) {
+            return $result;
+        }
+
+        $entries = @scandir($dir);
+        if ($entries === false) {
+            return $result;
+        }
+
+        foreach ($entries as $file) {
+            if ($file === '.' || $file === '..') {
+                continue;
+            }
+            $fullPath = $dir . DIRECTORY_SEPARATOR . $file;
+
+            if (is_dir($fullPath)) {
+                $result[] = [
+                    'name'     => $file,
+                    'children' => $this->scanFolder($fullPath)
+                ];
+            } elseif (is_file($fullPath) && strtolower(pathinfo($file, PATHINFO_EXTENSION)) === 'pdf') {
+                $result[] = [
+                    'name' => $file,
+                    'path' => $fullPath
+                ];
+            }
+        }
+
+        // Alphabetisch stabil sortieren
+        usort($result, static function ($a, $b) {
+            return strcasecmp((string)$a['name'], (string)$b['name']);
+        });
+
+        return $result;
+    }
+
+    /**
+     * Struktur rekursiv in die Datenbank schreiben
+     * @return int[] Insert-IDs aller neu eingefügten Dateien (für „Neue Dokumente“)
+     */
+    private function saveToDb(array $items, ?int $parentId, DatabaseDriver $db): array
+    {
+        $insertedFileIds = [];
+
+        foreach ($items as $item) {
+            $name     = $db->quote($item['name']);
+            $path     = $db->quote($item['path'] ?? ''); // leer statt NULL
+            $parent   = $parentId !== null ? (int)$parentId : 'NULL';
+            $isFolder = isset($item['children']) ? 1 : 0;
+
+            $query = $db->getQuery(true)
+                ->insert($db->quoteName('#__eis_documents'))
+                ->columns(['name', 'path', 'parent_id', 'is_folder'])
+                ->values("$name, $path, $parent, $isFolder");
+
+            $db->setQuery($query)->execute();
+
+            $insertedId = (int)$db->insertid();
+
+            if ($isFolder && !empty($item['children'])) {
+                // Kinder speichern
+                $childIds = $this->saveToDb($item['children'], $insertedId, $db);
+                // Nur Datei-IDs sammeln
+                $insertedFileIds = array_merge($insertedFileIds, $childIds);
+            } else {
+                // Datei -> ID merken
+                $insertedFileIds[] = $insertedId;
+            }
+        }
+
+        return $insertedFileIds;
+    }
+
+    public function rename(): void
+    {
+        // CSRF prüfen
+        if (!Session::checkToken('post')) {
+            throw new \RuntimeException(Text::_('JINVALID_TOKEN'), 403);
+        }
+
+        $app   = Factory::getApplication();
+        $id    = (int) $app->input->post->get('id', 0);
+        $title = trim((string) $app->input->post->get('title', '', 'string'));
+
+        if ($id <= 0) {
+            $app->enqueueMessage(Text::_('JERROR_AN_ERROR_HAS_OCCURRED') ?: 'Ungültige ID', 'error');
+            $this->setRedirect(Route::_('index.php?option=com_eis&view=main', false));
+            return;
+        }
+
+        /** @var DatabaseDriver $db */
+        $db = Factory::getDbo();
+        $query = $db->getQuery(true)
+            ->update($db->quoteName('#__eis_documents'))
+            ->set($db->quoteName('title') . ' = ' . ($title === '' ? 'NULL' : $db->quote($title)))
+            ->set($db->quoteName('modified') . ' = ' . $db->quote(\Joomla\CMS\Factory::getDate()->toSql()))
+            ->where($db->quoteName('id') . ' = ' . (int)$id);
+
+        try {
+            $db->setQuery($query)->execute();
+            $app->enqueueMessage(Text::_('COM_EIS_MSG_SAVED_SUCCESS') ?: 'Anzeigename gespeichert', 'message');
+        } catch (\Throwable $e) {
+            $app->enqueueMessage((Text::_('COM_EIS_MSG_SAVED_ERROR') ?: 'Fehler beim Speichern: ') . $e->getMessage(), 'error');
+        }
+
+        $this->setRedirect(Route::_('index.php?option=com_eis&view=main', false));
+    }
+
+    public function saveAccess(): void
+{
+    if (!\Joomla\CMS\Session\Session::checkToken('post')) {
+        throw new \RuntimeException(\JText::_('JINVALID_TOKEN'), 403);
+    }
+
+    $app = \Joomla\CMS\Factory::getApplication();
+    $db  = \Joomla\CMS\Factory::getDbo();
+
+    $folderId    = (int) $app->input->post->get('folder_id', 0);
+    $viewlevelId = (int) $app->input->post->get('viewlevel_id', 0);
+
+    // Validierung: folderId muss Top-Level-Ordner sein
+    if ($folderId <= 0) {
+        $app->enqueueMessage('Ungültiger Ordner.', 'error');
+        $this->setRedirect(\Joomla\CMS\Router\Route::_('index.php?option=com_eis&view=main', false));
+        return;
+    }
+
+    // prüfen, ob Top-Level-Ordner
+    $q = $db->getQuery(true)
+        ->select($db->quoteName(['id','is_folder','parent_id']))
+        ->from($db->quoteName('#__eis_documents'))
+        ->where($db->quoteName('id') . ' = ' . (int)$folderId);
+    $db->setQuery($q);
+    $row = $db->loadAssoc();
+
+    if (!$row || (int)$row['is_folder'] !== 1 || $row['parent_id'] !== null) {
+        $app->enqueueMessage('Nur Top-Level-Ordner können berechtigt werden.', 'warning');
+        $this->setRedirect(\Joomla\CMS\Router\Route::_('index.php?option=com_eis&view=main', false));
+        return;
+    }
+
+    // Viewlevel validieren
+    if ($viewlevelId <= 0) {
+        // löschen (öffentlich)
+        $db->setQuery(
+            $db->getQuery(true)
+               ->delete($db->quoteName('#__eis_folder_access'))
+               ->where($db->quoteName('folder_id') . ' = ' . (int)$folderId)
+        )->execute();
+
+        $app->enqueueMessage('Berechtigung entfernt (öffentlich).', 'message');
+        $this->setRedirect(\Joomla\CMS\Router\Route::_('index.php?option=com_eis&view=main', false));
+        return;
+    }
+
+    // upsert
+    $sql = 'INSERT INTO ' . $db->quoteName('#__eis_folder_access')
+         . ' (' . $db->quoteName('folder_id') . ', ' . $db->quoteName('viewlevel_id') . ') VALUES ('
+         . (int)$folderId . ', ' . (int)$viewlevelId . ')'
+         . ' ON DUPLICATE KEY UPDATE ' . $db->quoteName('viewlevel_id') . ' = VALUES(' . $db->quoteName('viewlevel_id') . ')';
+    $db->setQuery($sql)->execute();
+
+    $app->enqueueMessage('Berechtigung gespeichert.', 'message');
+    $this->setRedirect(\Joomla\CMS\Router\Route::_('index.php?option=com_eis&view=main', false));
+}
+
+}

com_eis/administrator/src/Extension/EISComponent.php

@@ -0,0 +1,10 @@
+<?php
+namespace EIS\Component\EIS\Administrator\Extension;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Extension\MVCComponent;
+
+final class EISComponent extends MVCComponent
+{
+}

com_eis/administrator/src/Helper/SettingsHelper.php

@@ -0,0 +1,45 @@
+<?php
+namespace EIS\Component\EIS\Administrator\Helper;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+
+final class SettingsHelper
+{
+    public static function getSetting(string $param, $default = '')
+    {
+        $db = Factory::getDbo();
+        $q  = $db->getQuery(true)
+            ->select($db->quoteName('value'))
+            ->from($db->quoteName('#__eis_settings'))
+            ->where($db->quoteName('param') . ' = ' . $db->quote($param));
+        $db->setQuery($q);
+        $val = $db->loadResult();
+
+        return ($val !== null && $val !== '') ? $val : $default;
+    }
+
+    public static function setSetting(string $param, $value): void
+    {
+        $db = Factory::getDbo();
+
+        // Basis-INSERT per Query-Builder zusammenstellen …
+        $qb = $db->getQuery(true)
+            ->insert($db->quoteName('#__eis_settings'))
+            ->columns([$db->quoteName('param'), $db->quoteName('value'), $db->quoteName('modified')])
+            ->values(
+                $db->quote($param) . ', ' .
+                $db->quote((string) $value) . ', ' .
+                $db->quote(date('Y-m-d H:i:s'))
+            );
+
+        // … und dann als String um "ON DUPLICATE KEY UPDATE" erweitern.
+        $sql = (string) $qb
+            . ' ON DUPLICATE KEY UPDATE '
+            . $db->quoteName('value')    . ' = VALUES(' . $db->quoteName('value') . '), '
+            . $db->quoteName('modified') . ' = VALUES(' . $db->quoteName('modified') . ')';
+
+        $db->setQuery($sql)->execute();
+    }
+}

com_eis/administrator/src/Helper/TreeHelper.php

@@ -0,0 +1,193 @@
+<?php
+
+namespace EIS\Component\EIS\Administrator\Helper;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Language\Text;
+use Joomla\Database\DatabaseDriver;
+
+class TreeHelper
+{
+    /** Lädt #__eis_documents, gruppiert nach parent_id und sortiert */
+    public static function getItems(): array
+    {
+        /** @var DatabaseDriver $db */
+        $db = Factory::getDbo();
+
+        $query = $db->getQuery(true)
+            ->select('*')
+            ->from($db->quoteName('#__eis_documents'))
+            ->order($db->quoteName('ordering') . ' ASC');
+
+        $rows = $db->setQuery($query)->loadAssocList();
+
+        $grouped = [];
+        foreach ($rows as $row) {
+            $pid = $row['parent_id'] === null ? null : (int) $row['parent_id'];
+            $grouped[$pid][] = $row;
+        }
+
+        // alphabetisch nach name
+        foreach ($grouped as &$group) {
+            usort($group, static fn($a, $b) => strcasecmp((string)$a['name'], (string)$b['name']));
+        }
+
+        return $grouped;
+    }
+
+    /**
+     * Kombiniert: Virtueller Ordner "Neue Dokumente" (falls $newIds vorhanden) + normaler Baum
+     */
+    public static function renderTreeWithNew(array $items, array $newIds = []): string
+    {
+        $html = '';
+
+        // 1) Virtueller Ordner "Neue Dokumente"
+        $newFiles = self::collectFilesByIds($items, $newIds);
+        if (!empty($newFiles)) {
+            $label = Text::_('COM_EIS_VIRTUAL_NEW') ?: 'Neue Dokumente';
+
+            $html .= '<ul class="pdf-tree">';
+            $html .= '<li class="folder" data-id="new" data-title="' . htmlspecialchars($label, ENT_QUOTES, 'UTF-8') . '" data-name="' . htmlspecialchars($label, ENT_QUOTES, 'UTF-8') . '" data-count="' . count($newFiles) . '">';
+            $html .= '<span class="toggle" role="button" aria-label="Ordner umschalten" tabindex="0">▼</span> ';
+            $html .= '<span class="folder-label">🆕 ' . htmlspecialchars($label, ENT_QUOTES, 'UTF-8') . ' <small class="count">(' . (int) count($newFiles) . ')</small></span>';
+
+            // Kinder sichtbar
+            $html .= '<ul style="display:block">';
+            foreach ($newFiles as $row) {
+                $html .= self::renderSingleFileLi($row);
+            }
+            $html .= '</ul>';
+
+            $html .= '</li>';
+            $html .= '</ul>';
+        }
+
+        // 2) Normaler Baum
+        $html .= self::renderTree($items, null);
+
+        return $html;
+    }
+
+    /** Baum rendern (nutzt title als alternativen Anzeigenamen) */
+    public static function renderTree(array $items, ?int $parentId = null): string
+    {
+        if (!isset($items[$parentId])) {
+            return '';
+        }
+
+        $html = '<ul class="pdf-tree">';
+
+        foreach ($items[$parentId] as $item) {
+            $isFolder = !empty($item['is_folder']);
+            $rawName  = (string)($item['title'] ?? '') !== '' ? (string)$item['title'] : (string)$item['name'];
+            $display  = preg_replace('/\.pdf$/i', '', $rawName);
+            $display  = htmlspecialchars((string)$display, ENT_QUOTES, 'UTF-8');
+            $id       = (int)$item['id'];
+
+            if ($isFolder) {
+                $fileCount = self::countFilesRecursive($items, $id);
+
+                $html .= '<li class="folder"'
+                    .  ' data-id="'    . $id . '"'
+                    .  ' data-title="' . htmlspecialchars((string)($item['title'] ?? ''), ENT_QUOTES, 'UTF-8') . '"'
+                    .  ' data-name="'  . htmlspecialchars((string)$item['name'], ENT_QUOTES, 'UTF-8') . '"'
+                    .  ' data-count="' . (int)$fileCount . '"'
+                    .  '>'
+                    .  '<span class="toggle" role="button" aria-label="Ordner umschalten" tabindex="0">▶</span> '
+                    .  '<span class="folder-label">📁 ' . $display . ' <small class="count">(' . (int)$fileCount . ')</small></span>'
+                    .  self::renderTree($items, $id)
+                    .  '</li>';
+            } else {
+                $html .= self::renderSingleFileLi($item, $display);
+            }
+        }
+
+        $html .= '</ul>';
+        return $html;
+    }
+
+    /** Einzelnes <li> für Datei (wird auch vom virtuellen Ordner genutzt) */
+    private static function renderSingleFileLi(array $item, ?string $displayAlreadyEscaped = null): string
+    {
+        $rawName   = (string)($item['title'] ?? '') !== '' ? (string)$item['title'] : (string)$item['name'];
+        $display   = $displayAlreadyEscaped ?? htmlspecialchars(preg_replace('/\.pdf$/i', '', $rawName), ENT_QUOTES, 'UTF-8');
+        $id        = (int)$item['id'];
+
+        // Dateigröße ermitteln (optional)
+        $sizeStr   = '';
+        $sizeBytes = '';
+        if (!empty($item['path']) && is_file((string)$item['path'])) {
+            $bytes = @filesize((string)$item['path']); // @ unterdrückt Warnungen bei Zugriffsproblemen
+            if ($bytes !== false) {
+                $sizeBytes = (string)(int)$bytes;
+                $sizeStr   = self::formatFileSize((int)$bytes);
+            }
+        }
+
+        $html = '<li class="file"'
+              . ' data-id="'    . $id . '"'
+              . ' data-title="' . htmlspecialchars((string)($item['title'] ?? ''), ENT_QUOTES, 'UTF-8') . '"'
+              . ' data-name="'  . htmlspecialchars((string)$item['name'], ENT_QUOTES, 'UTF-8') . '"'
+              . ' data-size="'  . htmlspecialchars($sizeStr, ENT_QUOTES, 'UTF-8') . '"'
+              . ' data-bytes="' . htmlspecialchars($sizeBytes, ENT_QUOTES, 'UTF-8') . '"'
+              . '>'
+              . '<span class="file-label">📄 ' . $display
+              . ($sizeStr !== '' ? ' <small class="meta">(' . $sizeStr . ')</small>' : '')
+              . '</span>'
+              . '</li>';
+
+        return $html;
+    }
+
+    /** Dateien zu gegebenen IDs einsammeln (nur is_folder = 0) */
+    private static function collectFilesByIds(array $items, array $ids): array
+    {
+        if (empty($ids)) {
+            return [];
+        }
+        $ids = array_map('intval', $ids);
+
+        // Flat-Index aller Rows
+        $idx = [];
+        foreach ($items as $group) {
+            foreach ($group as $row) {
+                $idx[(int)$row['id']] = $row;
+            }
+        }
+
+        $out = [];
+        foreach ($ids as $id) {
+            if (isset($idx[$id]) && empty($idx[$id]['is_folder'])) {
+                $out[] = $idx[$id];
+            }
+        }
+        return $out;
+    }
+
+    private static function countFilesRecursive(array $items, int $parentId): int
+    {
+        $count = 0;
+        if (!isset($items[$parentId])) {
+            return 0;
+        }
+        foreach ($items[$parentId] as $item) {
+            if (!empty($item['is_folder'])) {
+                $count += self::countFilesRecursive($items, (int)$item['id']);
+            } else {
+                $count++;
+            }
+        }
+        return $count;
+    }
+
+    private static function formatFileSize(int $bytes): string
+    {
+        if ($bytes >= 1073741824) return number_format($bytes / 1073741824, 2) . ' GB';
+        if ($bytes >= 1048576)    return number_format($bytes / 1048576, 1) . ' MB';
+        if ($bytes >= 1024)       return number_format($bytes / 1024, 0) . ' KB';
+        return $bytes . ' B';
+    }
+}

com_eis/administrator/src/Service/DocumentScanner.php

@@ -0,0 +1,107 @@
+<?php
+namespace EIS\Component\EIS\Administrator\Service;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\Database\DatabaseDriver;
+use EIS\Component\EIS\Administrator\Helper\SettingsHelper;
+
+class DocumentScanner
+{
+    /**
+     * Führt den Scan aus.
+     * @return int[] IDs der eingefügten Dateien
+     */
+    public static function run(?string $path = null, ?DatabaseDriver $db = null): array
+    {
+        $db  = $db ?: Factory::getDbo();
+        $app = Factory::getApplication();
+
+        // Pfad laden, wenn nicht übergeben
+        $path = $path ?: SettingsHelper::getSetting('document_root', '/var/www/pdf');
+
+        if (!$path || !is_dir($path)) {
+            // Kein enqueueMessage, damit es auch im Task sauber läuft
+            throw new \RuntimeException('Pfad ungültig oder nicht gesetzt: ' . (string)$path);
+        }
+
+        $data = self::scanFolder($path);
+
+        // Achtung: du löscht aktuell immer alles -> danach ist alles "neu"
+        $db->truncateTable('#__eis_documents');
+
+        $newIds = self::saveToDb($data, null, $db);
+
+        // Dauerhaft speichern (Frontend-Modul nutzt das ja schon)
+        SettingsHelper::setSetting('last_new_ids', json_encode($newIds, JSON_UNESCAPED_SLASHES));
+        SettingsHelper::setSetting('last_scan_at', date('Y-m-d H:i:s'));
+
+        return $newIds;
+    }
+
+    private static function scanFolder(string $dir): array
+    {
+        $result = [];
+        if (!is_dir($dir)) {
+            return $result;
+        }
+
+        $entries = @scandir($dir);
+        if ($entries === false) {
+            return $result;
+        }
+
+        foreach ($entries as $file) {
+            if ($file === '.' || $file === '..') {
+                continue;
+            }
+
+            $fullPath = $dir . DIRECTORY_SEPARATOR . $file;
+
+            if (is_dir($fullPath)) {
+                $result[] = [
+                    'name'     => $file,
+                    'children' => self::scanFolder($fullPath)
+                ];
+            } elseif (is_file($fullPath) && strtolower(pathinfo($file, PATHINFO_EXTENSION)) === 'pdf') {
+                $result[] = [
+                    'name' => $file,
+                    'path' => $fullPath
+                ];
+            }
+        }
+
+        usort($result, static fn($a, $b) => strcasecmp((string)$a['name'], (string)$b['name']));
+        return $result;
+    }
+
+    private static function saveToDb(array $items, ?int $parentId, DatabaseDriver $db): array
+    {
+        $insertedFileIds = [];
+
+        foreach ($items as $item) {
+            $name     = $db->quote($item['name']);
+            $path     = $db->quote($item['path'] ?? '');
+            $parent   = $parentId !== null ? (int)$parentId : 'NULL';
+            $isFolder = isset($item['children']) ? 1 : 0;
+
+            $query = $db->getQuery(true)
+                ->insert($db->quoteName('#__eis_documents'))
+                ->columns(['name', 'path', 'parent_id', 'is_folder'])
+                ->values("$name, $path, $parent, $isFolder");
+
+            $db->setQuery($query)->execute();
+            $insertedId = (int) $db->insertid();
+
+            if ($isFolder && !empty($item['children'])) {
+                $childIds = self::saveToDb($item['children'], $insertedId, $db);
+                $insertedFileIds = array_merge($insertedFileIds, $childIds);
+            } else {
+                $insertedFileIds[] = $insertedId;
+            }
+        }
+
+        return $insertedFileIds;
+    }
+}

com_eis/administrator/src/View/Config/HtmlView.php

@@ -0,0 +1,23 @@
+<?php
+namespace EIS\Component\EIS\Administrator\View\Config;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
+use EIS\Component\EIS\Administrator\Helper\SettingsHelper;
+
+class HtmlView extends BaseHtmlView
+{
+    protected $pdfPath = '';
+
+    public function display($tpl = null): void
+    {
+        $this->pdfPath = SettingsHelper::getSetting('document_root', '/var/www/pdf');
+        parent::display($tpl);
+    }
+
+    public function getPdfPath(): string
+    {
+        return (string)$this->pdfPath;
+    }
+}

com_eis/administrator/src/View/Main/HtmlView.php

@@ -0,0 +1,117 @@
+<?php
+namespace EIS\Component\EIS\Administrator\View\Main;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
+use Joomla\Database\DatabaseDriver;
+use EIS\Component\EIS\Administrator\Helper\TreeHelper;
+
+class HtmlView extends BaseHtmlView
+{
+    /** HTML des Baums (inkl. virtuellem Ordner „Neue Dokumente“, falls vorhanden) */
+    protected string $treeHtml = '';
+
+    /** Liste aller Viewlevels: [ ['id'=>int, 'title'=>string], ... ] */
+    protected array $viewLevels = [];
+
+    /**
+     * Map der gesetzten ACLs für Top-Level-Ordner:
+     * [ folder_id (int) => viewlevel_id (int), ... ]
+     */
+    protected array $folderAccess = [];
+
+    public function display($tpl = null): void
+    {
+        $app = Factory::getApplication();
+        /** @var DatabaseDriver $db */
+        $db  = Factory::getDbo();
+
+        // 1) Baum-Daten
+        $items  = TreeHelper::getItems();
+
+        // neu hinzugekommene IDs aus letztem Scan (können leer sein)
+        $newIds = (array) $app->getUserState('com_eis.new_ids', []);
+
+        // Baum rendern (virtueller Ordner „Neue Dokumente“ + regulärer Baum)
+        $this->treeHtml = TreeHelper::renderTreeWithNew($items, $newIds);
+
+        // 2) Viewlevels laden
+        $this->viewLevels = $this->loadViewLevels($db);
+
+        // 3) gesetzte ACLs für Top-Level-Ordner laden
+        $this->folderAccess = $this->loadFolderAccess($db);
+
+        // Template ausgeben
+        parent::display($tpl);
+
+        // „Neue Dokumente“ einmalig zeigen → State leeren
+        $app->setUserState('com_eis.new_ids', []);
+    }
+
+    /** Für Template: HTML des Baums */
+    public function getTreeHtml(): string
+    {
+        return $this->treeHtml;
+    }
+
+    /** Für Template: Liste der Viewlevels */
+    public function getViewLevels(): array
+    {
+        return $this->viewLevels;
+    }
+
+    /**
+     * Für Template/JS: Map folder_id => viewlevel_id (nur Top-Level-Ordner)
+     * Beispiel: [ 12 => 3, 15 => 5 ]
+     */
+    public function getFolderAccess(): array
+    {
+        return $this->folderAccess;
+    }
+
+    /** Lädt alle Viewlevels sortiert nach Titel */
+    private function loadViewLevels(DatabaseDriver $db): array
+    {
+        $q = $db->getQuery(true)
+            ->select($db->quoteName(['id', 'title']))
+            ->from($db->quoteName('#__viewlevels'))
+            ->order($db->quoteName('title') . ' ASC');
+
+        $db->setQuery($q);
+        $rows = (array) $db->loadAssocList();
+
+        // Safety: Normalisieren der Typen
+        foreach ($rows as &$r) {
+            $r['id']    = (int) ($r['id'] ?? 0);
+            $r['title'] = (string) ($r['title'] ?? '');
+        }
+
+        return $rows;
+    }
+
+    /**
+     * Lädt ACL-Zuweisungen aus #__eis_folder_access.
+     * Es werden nur Top-Level-Ordner-IDs erwartet (per Controller validiert).
+     */
+    private function loadFolderAccess(DatabaseDriver $db): array
+    {
+        $q = $db->getQuery(true)
+            ->select($db->quoteName(['folder_id', 'viewlevel_id']))
+            ->from($db->quoteName('#__eis_folder_access'));
+
+        $db->setQuery($q);
+        $rows = (array) $db->loadAssocList();
+
+        $map = [];
+        foreach ($rows as $r) {
+            $fid = (int) ($r['folder_id'] ?? 0);
+            $vid = (int) ($r['viewlevel_id'] ?? 0);
+            if ($fid > 0 && $vid > 0) {
+                $map[$fid] = $vid;
+            }
+        }
+        return $map;
+    }
+}

com_eis/administrator/tmpl/config/default.php

@@ -0,0 +1,72 @@
+<?php
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\Router\Route;
+use Joomla\CMS\HTML\HTMLHelper;
+
+// Wert aus der View (HtmlView::getPdfPath()), Fallback leer
+$pdfPath = method_exists($this, 'getPdfPath') ? (string) $this->getPdfPath() : '';
+?>
+<h2 class="mb-3">
+  <?php echo Text::_('COM_EIS_SETTINGS_TITLE') ?: 'Einstellungen'; ?>
+</h2>
+
+<form action="<?php echo Route::_('index.php?option=com_eis&task=config.save'); ?>"
+      method="post"
+      name="adminForm"
+      id="adminForm"
+      novalidate>
+  <div class="form-horizontal">
+    <fieldset class="adminform">
+      <legend><?php echo Text::_('COM_EIS_FIELDSET_GENERAL') ?: 'Allgemein'; ?></legend>
+
+      <div class="control-group">
+        <label class="control-label" for="document_root">
+          <?php echo Text::_('COM_EIS_FIELD_DOCUMENT_ROOT_LABEL') ?: 'Basis-Verzeichnis für PDFs'; ?>
+        </label>
+        <div class="controls">
+          <input
+            type="text"
+            class="form-control"
+            name="document_root"
+            id="document_root"
+            value="<?php echo htmlspecialchars($pdfPath, ENT_QUOTES, 'UTF-8'); ?>"
+            placeholder="/var/www/pdf"
+            size="60"
+            required
+          />
+          <p class="help-block" style="margin-top:.35rem;">
+            <?php echo Text::_('COM_EIS_FIELD_DOCUMENT_ROOT_DESC')
+              ?: 'Absoluter Serverpfad, in dem die PDF-Dateien liegen (z. B. /var/www/pdf).'; ?>
+          </p>
+        </div>
+      </div>
+
+    </fieldset>
+  </div>
+
+  <div class="mt-2">
+    <button type="submit" class="btn btn-primary">
+      <?php echo Text::_('JSAVE') ?: 'Speichern'; ?>
+    </button>
+  </div>
+
+  <?php echo HTMLHelper::_('form.token'); ?>
+</form>
+
+<script>
+document.addEventListener('DOMContentLoaded', function () {
+  const form = document.getElementById('adminForm');
+  if (!form) return;
+
+  form.addEventListener('submit', function (e) {
+    const input = document.getElementById('document_root');
+    if (!input || !input.value.trim()) {
+      e.preventDefault();
+      alert('<?php echo Text::_('COM_EIS_MSG_INVALID_PATH') ?: 'Bitte einen gültigen Pfad angeben.'; ?>');
+      input?.focus();
+    }
+  });
+});
+</script>

com_eis/administrator/tmpl/main/default.php

@@ -0,0 +1,263 @@
+<?php
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\HTML\HTMLHelper;
+use Joomla\CMS\Router\Route;
+use Joomla\CMS\Language\Text;
+
+$hasTree = !empty($this->treeHtml);
+
+// ACL-Daten aus der View (für Vorbelegung im Formular)
+$viewLevels = method_exists($this, 'getViewLevels') ? (array) $this->getViewLevels() : [];
+$aclMap     = method_exists($this, 'getFolderAccess') ? (array) $this->getFolderAccess() : [];
+?>
+<style>
+  /* Layout */
+  .eis-flex{display:flex;gap:1rem;align-items:flex-start}
+  .eis-tree-wrap{flex:1 1 auto;background:#f9f9f9;border:1px solid #ddd;border-radius:6px;padding:1em}
+  .eis-edit{flex:0 0 360px;background:#fff;border:1px solid #ddd;border-radius:6px;padding:1em}
+  .eis-edit h4{margin:.2rem 0 1rem}
+
+  /* Baum */
+  .pdf-tree{list-style:none;margin:0;padding:0}
+  .pdf-tree ul{list-style:none;margin-left:1.25em;padding:0;display:none}
+  .pdf-tree li{margin:.35em 0}
+  .folder>.toggle{cursor:pointer;width:1.25em;display:inline-block;user-select:none}
+  .folder>.folder-label,.file>.file-label{cursor:pointer;user-select:none}
+  .pdf-tree .meta{color:#666}
+  .pdf-tree .count{color:#999}
+  .pdf-tree .is-selected{background:rgba(0,0,0,.06);border-radius:3px}
+
+  /* Steuerleiste */
+  .controls{margin-bottom:.75em}
+  .controls button{margin-right:.5em}
+
+  /* Form */
+  .control-group{margin-bottom:.6rem}
+  .form-help{color:#666;font-size:.9em}
+</style>
+
+<!-- Scan-Formular -->
+<form action="<?php echo Route::_('index.php?option=com_eis&task=display.scan'); ?>" method="post" id="eis-scan-form">
+  <fieldset class="adminform">
+    <legend><?php echo Text::_('COM_EIS_DOCUMENT_PATH'); ?></legend>
+    <div class="form-help"><?php echo Text::_('COM_EIS_SETTINGS_TITLE'); ?> · <?php echo Text::_('COM_EIS_FIELD_DOCUMENT_ROOT_LABEL'); ?></div>
+  </fieldset>
+  <div class="mt-2">
+    <button class="btn btn-primary" type="submit">
+      <?php echo Text::_('COM_EIS_SCAN_DOCUMENTS'); ?>
+    </button>
+  </div>
+  <?php echo HTMLHelper::_('form.token'); ?>
+</form>
+
+<hr>
+
+<?php if (!$hasTree): ?>
+  <p class="text-muted">
+    <?php echo Text::_('COM_EIS_NO_DOCUMENTS_FOUND'); ?>
+  </p>
+<?php else: ?>
+
+  <h3 class="mt-3"><?php echo Text::_('COM_EIS_PDF_TREE'); ?></h3>
+
+  <div class="eis-flex">
+
+    <!-- Linke Seite: Baum -->
+    <div class="eis-tree-wrap">
+      <div class="controls">
+        <button id="eis-expand-all" type="button" class="btn btn-sm btn-secondary">
+          <?php echo Text::_('COM_EIS_EXPAND_ALL'); ?>
+        </button>
+        <button id="eis-collapse-all" type="button" class="btn btn-sm btn-secondary">
+          <?php echo Text::_('COM_EIS_COLLAPSE_ALL'); ?>
+        </button>
+      </div>
+
+      <div class="tree" id="eis-tree" role="tree" aria-label="<?php echo Text::_('COM_EIS_PDF_TREE'); ?>">
+        <?php echo $this->treeHtml; ?>
+      </div>
+    </div>
+
+    <!-- Rechte Seite: Inline-Bearbeitung + ACL -->
+    <div class="eis-edit">
+      <h4><?php echo Text::_('COM_EIS_EDIT_TITLE') ?: 'Anzeigename bearbeiten'; ?></h4>
+
+      <form action="<?php echo Route::_('index.php?option=com_eis&task=display.rename'); ?>" method="post" id="eis-rename-form" novalidate>
+        <div class="control-group">
+          <label for="eis-current-name"><?php echo Text::_('COM_EIS_FIELD_NAME') ?: 'Originalname'; ?></label>
+          <input type="text" id="eis-current-name" class="form-control" value="" readonly>
+        </div>
+
+        <div class="control-group">
+          <label for="eis-title"><?php echo Text::_('COM_EIS_FIELD_TITLE') ?: 'Anzeigename (optional)'; ?></label>
+          <input type="text" name="title" id="eis-title" class="form-control" value=""
+                 placeholder="<?php echo Text::_('COM_EIS_PLACEHOLDER_TITLE') ?: 'Leer lassen = automatisch aus Dateiname'; ?>">
+          <div class="form-help"><?php echo Text::_('COM_EIS_FILESIZE'); ?>: <span id="eis-filesize">–</span></div>
+        </div>
+
+        <input type="hidden" name="id" id="eis-id" value="">
+
+        <div class="mt-2">
+          <button type="submit" class="btn btn-success" id="eis-save" disabled>
+            <?php echo Text::_('JSAVE'); ?>
+          </button>
+          <button type="button" id="eis-clear-title" class="btn btn-light" disabled>
+            <?php echo Text::_('JDEFAULT') ?: 'Zurücksetzen'; ?>
+          </button>
+        </div>
+
+        <?php echo HTMLHelper::_('form.token'); ?>
+      </form>
+
+      <!-- ===== ACL: Zugriff (Top-Level-Ordner) ===== -->
+      <hr style="margin:1rem 0">
+
+      <h4><?php echo Text::_('COM_EIS_ACCESS_TITLE') ?: 'Zugriff (Top-Level-Ordner)'; ?></h4>
+
+      <form action="<?php echo Route::_('index.php?option=com_eis&task=display.saveAccess'); ?>"
+            method="post" id="eis-access-form">
+        <div class="control-group">
+          <label for="eis-folder-viewlevel">
+            <?php echo Text::_('COM_EIS_FIELD_VIEWLEVEL') ?: 'Zugriffsebene'; ?>
+          </label>
+          <select name="viewlevel_id" id="eis-folder-viewlevel" class="form-control">
+            <option value="0">(Öffentlich)</option>
+            <?php foreach ($viewLevels as $vl): ?>
+              <option value="<?php echo (int)$vl['id']; ?>">
+                <?php echo htmlspecialchars($vl['title'], ENT_QUOTES, 'UTF-8'); ?>
+              </option>
+            <?php endforeach; ?>
+          </select>
+          <div class="form-help">
+            <?php echo Text::_('COM_EIS_ACCESS_HELP') ?: 'Nur für Ordner der ersten Ebene. Unterordner und Dateien erben die Einstellung.'; ?>
+          </div>
+        </div>
+
+        <input type="hidden" name="folder_id" id="eis-folder-id" value="">
+        <?php echo HTMLHelper::_('form.token'); ?>
+
+        <div class="mt-2">
+          <button type="submit" class="btn btn-secondary" id="eis-access-save" disabled>
+            <?php echo Text::_('JSAVE'); ?>
+          </button>
+        </div>
+      </form>
+      <!-- ===== /ACL ===== -->
+    </div>
+  </div>
+
+  <script>
+    (function(){
+      const tree    = document.getElementById('eis-tree');
+      const form    = document.getElementById('eis-rename-form');
+      const idFld   = document.getElementById('eis-id');
+      const nameFld = document.getElementById('eis-current-name');
+      const titleFld= document.getElementById('eis-title');
+      const sizeOut = document.getElementById('eis-filesize');
+      const btnSave = document.getElementById('eis-save');
+      const btnClr  = document.getElementById('eis-clear-title');
+
+      // ACL-Form Elemente
+      const aclForm     = document.getElementById('eis-access-form');
+      const aclFolderId = document.getElementById('eis-folder-id');
+      const aclSelect   = document.getElementById('eis-folder-viewlevel');
+      const aclBtn      = document.getElementById('eis-access-save');
+
+      // PHP-Map folder_id => viewlevel_id an JS übergeben
+      const ACL_MAP = <?php echo json_encode($aclMap, JSON_UNESCAPED_SLASHES); ?>;
+
+      if (!tree) return;
+
+      let lastSelected;
+
+      // Helper: prüfen, ob li.folder Top-Level ist
+      function isTopLevelFolder(li){
+        if (!li) return false;
+        const parentLi = li.parentElement ? li.parentElement.closest('li.folder') : null;
+        return !parentLi; // kein übergeordneter <li.folder>
+      }
+
+      // Toggle (Caret) & Auswahl
+      tree.addEventListener('click', (e) => {
+        const t = e.target;
+
+        // Ein-/Ausklappen
+        if (t.classList.contains('toggle') || t.classList.contains('folder-label')) {
+          const li = t.closest('li.folder');
+          if (li) {
+            const childUl = li.querySelector(':scope > ul');
+            if (childUl) {
+              const open = childUl.style.display === 'block';
+              childUl.style.display = open ? 'none' : 'block';
+              const caret = li.querySelector(':scope > .toggle');
+              if (caret) caret.textContent = open ? '▶' : '▼';
+            }
+          }
+        }
+
+        // Auswahl für Bearbeitung (Ordner- oder Datei-Label)
+        if (t.classList.contains('folder-label') || t.classList.contains('file-label')) {
+          const li = t.closest('li');
+          if (!li) return;
+
+          // Visuelles Highlight
+          if (lastSelected) lastSelected.classList.remove('is-selected');
+          t.classList.add('is-selected');
+          lastSelected = t;
+
+          // Daten aus data-Attributen
+          const id    = li.getAttribute('data-id') || '';
+          const title = li.getAttribute('data-title') || '';
+          const name  = li.getAttribute('data-name') || '';
+          const size  = li.getAttribute('data-size') || ''; // optional
+
+          idFld.value   = id;
+          nameFld.value = name;
+          titleFld.value= title;
+          sizeOut.textContent = size || '–';
+
+          btnSave.disabled = !id;
+          btnClr.disabled  = !id;
+
+          // ACL-Form: nur bei Top-Level-Ordner aktivieren und vorbelegen
+          if (li.classList.contains('folder') && isTopLevelFolder(li)) {
+            aclFolderId.value = id || '';
+            aclBtn.disabled = !aclFolderId.value;
+            // vorwählen
+            const current = (id && ACL_MAP[id]) ? String(ACL_MAP[id]) : '0';
+            if (aclSelect) {
+              for (const opt of aclSelect.options) {
+                opt.selected = (opt.value === current);
+              }
+            }
+          } else {
+            // kein Top-Level -> ACL-Form deaktivieren
+            aclFolderId.value = '';
+            aclBtn.disabled = true;
+          }
+
+          // Fokus ins Titel-Feld
+          titleFld.focus();
+        }
+      });
+
+      // „Zurücksetzen“ = Titel leeren
+      btnClr?.addEventListener('click', () => {
+        titleFld.value = '';
+        titleFld.focus();
+      });
+
+      // Global: Aus-/Einklappen
+      document.getElementById('eis-expand-all')?.addEventListener('click', () => {
+        document.querySelectorAll('.pdf-tree ul').forEach(ul => ul.style.display = 'block');
+        document.querySelectorAll('.pdf-tree .toggle').forEach(t => t.textContent = '▼');
+      });
+      document.getElementById('eis-collapse-all')?.addEventListener('click', () => {
+        document.querySelectorAll('.pdf-tree ul').forEach(ul => ul.style.display = 'none');
+        document.querySelectorAll('.pdf-tree .toggle').forEach(t => t.textContent = '▶');
+      });
+    })();
+  </script>
+
+<?php endif; ?>

com_eis/eis.xml

@@ -0,0 +1,52 @@
+<extension type="component" method="upgrade">
+    <name>com_eis</name>
+    <version>1.1.3</version>
+    <namespace path="src">EIS\Component\EIS</namespace>
+
+    <files folder="site">
+        <folder>src</folder>
+    </files>
+
+    <administration>
+        <menu>COM_EIS_MENU</menu>
+        <submenu>
+            <menu link="option=com_eis&amp;view=main">COM_EIS_MAIN</menu>
+            <menu link="option=com_eis&amp;view=config">COM_EIS_CONFIG</menu>
+        </submenu>
+        <files folder="administrator">
+            <folder>src</folder>
+            <folder>tmpl</folder>
+            <folder>sql</folder>
+            <folder>language</folder>
+            <folder>services</folder>
+        </files>
+        <languages folder="administrator/language/en-GB">
+            <language tag="en-GB">en-GB.com_eis.ini</language>
+            <language tag="en-GB">en-GB.com_eis.sys.ini</language>
+        </languages>
+        <languages folder="administrator/language/de-DE">
+            <language tag="de-DE">de-DE.com_eis.ini</language>
+            <language tag="de-DE">de-DE.com_eis.sys.ini</language>
+        </languages>
+    </administration>
+
+
+    <install>
+        <sql>
+            <file driver="mysql" charset="utf8">sql/install.mysql.utf8.sql</file>
+        </sql>
+    </install>
+    <uninstall>
+        <sql>
+            <file driver="mysql" charset="utf8">sql/uninstall.mysql.utf8.sql</file>
+        </sql>
+    </uninstall>
+    <schemas>
+        <schemapath type="mysql">sql/updates/mysql</schemapath>
+    </schemas>
+
+
+    <media folder="media" destination="com_eis">
+        <folder>pdfjs</folder>
+    </media>
+</extension>

com_eis/media/pdfjs/web/cmaps/CNS2-V.bcmap

@@ -0,0 +1,3 @@
+àRCopyright 1990-2009 Adobe Systems Incorporated.
+All rights reserved.
+See ./LICENSEáCNS2-H

com_eis/media/pdfjs/web/cmaps/ETenms-B5-H.bcmap

@@ -0,0 +1,3 @@
+àRCopyright 1990-2009 Adobe Systems Incorporated.
+All rights reserved.
+See ./LICENSEá	ETen-B5-H`
 ^