Mit deutscher Sprache

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

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+
+COM_EIS_DOCUMENT_PATH="Dokumentenpfad"
+COM_EIS_DOCUMENT_PATH_LABEL="Pfad zu den PDF-Dokumenten"
+COM_EIS_SCAN_DOCUMENTS="Dokumente einlesen"
+COM_EIS_MAIN="EIS Hauptansicht"
+COM_EIS_MENU="EIS"
+COM_EIS_CONFIG="Einstellungen"
+COM_EIS_MAINTENANCE="Wartung"
+COM_EIS_PDF_TREE="Verzeichnisbaum"

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

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+COM_EIS="EIS Komponente"

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

@@ -0,0 +1,9 @@
+
+COM_EIS_DOCUMENT_PATH="Dokumentenpfad"
+COM_EIS_DOCUMENT_PATH_LABEL="Pfad zu den PDF-Dokumenten"
+COM_EIS_SCAN_DOCUMENTS="Dokumente einlesen"
+COM_EIS_MAIN="EIS Hauptansicht"
+COM_EIS_MENU="EIS"
+COM_EIS_CONFIG="Einstellungen"
+COM_EIS_MAINTENANCE="Wartung"
+COM_EIS_PDF_TREE="Verzeichnisbaum"

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

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+COM_EIS="EIS Komponente"

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

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+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) DEFAULT 0,
+  `title` VARCHAR(255) DEFAULT NULL,
+  `description` TEXT DEFAULT NULL,
+  `ordering` INT DEFAULT 0,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+
+CREATE TABLE IF NOT EXISTS `#__eis_settings` (
+  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `pdf_path` TEXT NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

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

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+DROP TABLE IF EXISTS `#__eis_settings`;
+DROP TABLE IF EXISTS `#__eis_documents`;

com_eis/administrator/sql/updates/1.1.2.sql

@@ -0,0 +1,61 @@
+-- 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;
+
+-- 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 +1,46 @@
+<?php
+namespace EIS\Component\EIS\Administrator\Controller;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\MVC\Controller\BaseController;
+use Joomla\CMS\Router\Route;
+
+class ConfigController extends BaseController
+{
+    public function save(): void
+    {
+        $app = Factory::getApplication();
+        $input = $app->getInput();
+        $db = Factory::getDbo();
+
+        // Eingabe
+        $pdfPath = $input->getString('pdf_path', '');
+
+        // Existiert ein Eintrag?
+        $query = $db->getQuery(true)
+            ->select('COUNT(*)')
+            ->from($db->quoteName('#__eis_settings'));
+        $db->setQuery($query);
+        $exists = (int) $db->loadResult() > 0;
+
+        if ($exists) {
+            // Update
+            $query = $db->getQuery(true)
+                ->update($db->quoteName('#__eis_settings'))
+                ->set($db->quoteName('pdf_path') . ' = ' . $db->quote($pdfPath));
+        } else {
+            // Insert
+            $query = $db->getQuery(true)
+                ->insert($db->quoteName('#__eis_settings'))
+                ->columns([$db->quoteName('pdf_path')])
+                ->values($db->quote($pdfPath));
+        }
+
+        $db->setQuery($query)->execute();
+
+        $app->enqueueMessage('Pfad gespeichert: ' . $pdfPath, 'message');
+        $this->setRedirect(Route::_('index.php?option=com_eis&view=config', false));
+    }
+}

com_eis/administrator/src/Controller/DisplayController.php

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+<?php
+
+namespace EIS\Component\EIS\Administrator\Controller;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\MVC\Controller\BaseController;
+use Joomla\Database\DatabaseDriver;
+
+class DisplayController extends BaseController
+{
+    protected $default_view = 'main';
+
+    /**
+     * Button-Aktion: PDF-Verzeichnis scannen und in Datenbank speichern
+     */
+    public function scan(): void
+    {
+        $db = Factory::getDbo();
+
+        // Pfad aus Tabelle laden
+        $query = $db->getQuery(true)
+            ->select($db->quoteName('pdf_path'))
+            ->from($db->quoteName('#__eis_settings'))
+            ->order('id ASC')
+            ->setLimit(1);
+
+        $db->setQuery($query);
+        $path = $db->loadResult();
+
+        if (!$path || !is_dir($path)) {
+            Factory::getApplication()->enqueueMessage('Pfad ungültig oder nicht gesetzt: ' . $path, 'error');
+            $this->setRedirect('index.php?option=com_eis&view=main');
+            return;
+        }
+
+        // Verzeichnis rekursiv scannen
+        $data = $this->scanFolder($path);
+
+        // Alte Einträge löschen
+        $db->truncateTable('#__eis_documents');
+
+        // In Datenbank speichern
+        $this->saveToDb($data, null, $db);
+
+        // Erfolgsmeldung
+        Factory::getApplication()->enqueueMessage('PDF-Struktur erfolgreich gespeichert.', 'message');
+        $this->setRedirect('index.php?option=com_eis&view=main');
+    }
+
+    /**
+     * Rekursive Verzeichnisanalyse
+     */
+    private function scanFolder(string $dir): array
+    {
+        $result = [];
+        if (!is_dir($dir)) {
+            return $result;
+        }
+
+        foreach (scandir($dir) 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
+                ];
+            }
+        }
+
+        return $result;
+    }
+
+    /**
+     * Struktur rekursiv in die Datenbank schreiben
+     */
+    private function saveToDb(array $items, ?int $parentId, DatabaseDriver $db): void
+    {
+        foreach ($items as $item) {
+            $name     = $db->quote($item['name']);
+            $path     = $db->quote($item['path'] ?? '');  // Leerer String 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);
+            $db->execute();
+
+            $insertedId = $db->insertid();
+
+            if ($isFolder && !empty($item['children'])) {
+                $this->saveToDb($item['children'], $insertedId, $db);
+            }
+        }
+    }
+    public function rename(): void
+    {
+        // CSRF prüfen
+        \Joomla\CMS\Session\Session::checkToken() or jexit(\JText::_('JINVALID_TOKEN'));
+
+        $app = \Joomla\CMS\Factory::getApplication();
+        $id = (int) $app->input->get('id');
+        $title = trim((string) $app->input->get('title', '', 'STRING'));
+
+        if ($id <= 0) {
+            $app->enqueueMessage('Ungültige ID', 'error');
+            $this->setRedirect('index.php?option=com_eis&view=main');
+            return;
+        }
+
+        /** @var \Joomla\Database\DatabaseDriver $db */
+        $db = \Joomla\CMS\Factory::getDbo();
+        $query = $db->getQuery(true)
+            ->update($db->quoteName('#__eis_documents'))
+            ->set($db->quoteName('title') . ' = ' . ($title === '' ? 'NULL' : $db->quote($title)))
+            ->where($db->quoteName('id') . ' = ' . (int) $id);
+
+        try {
+            $db->setQuery($query)->execute();
+            $app->enqueueMessage('Anzeigename gespeichert', 'message');
+        } catch (\Throwable $e) {
+            $app->enqueueMessage('Fehler beim Speichern: ' . $e->getMessage(), 'error');
+        }
+
+        $this->setRedirect('index.php?option=com_eis&view=main');
+    }
+}

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/TreeHelper.php

@@ -0,0 +1,112 @@
+<?php
+
+namespace EIS\Component\EIS\Administrator\Helper;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+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, fn($a, $b) => strcasecmp($a['name'], $b['name']));
+        }
+
+        return $grouped;
+    }
+
+    /** 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 = (bool) $item['is_folder'];
+            $rawName  = $item['title'] ?: $item['name'];
+            $display  = preg_replace('/\.pdf$/i', '', (string) $rawName);
+            $display  = htmlspecialchars($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') . '"'
+                    .  '>';
+                $html .= '<span class="toggle" role="button" aria-label="Ordner umschalten" tabindex="0">▶</span> ';
+                $html .= '<span class="folder-label">📁 ' . $display . ' <small class="count">(' . (int)$fileCount . ')</small></span>';
+                $html .= self::renderTree($items, $id);
+                $html .= '</li>';
+            } else {
+                $sizeStr = '';
+                if (!empty($item['path']) && is_file($item['path'])) {
+                    $size = @filesize($item['path']);
+                    if ($size !== false) {
+                        $sizeStr = ' <small class="meta">(' . self::formatFileSize((int) $size) . ')</small>';
+                    }
+                }
+
+                $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') . '"'
+                    .  '>';
+                $html .= '<span class="file-label">📄 ' . $display . $sizeStr . '</span>';
+                $html .= '</li>';
+            }
+        }
+
+        $html .= '</ul>';
+        return $html;
+    }
+
+    private static function countFilesRecursive(array $items, int $parentId): int
+    {
+        $count = 0;
+        if (!isset($items[$parentId])) {
+            return 0;
+        }
+        foreach ($items[$parentId] as $item) {
+            if ((bool) $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/View/Config/HtmlView.php

@@ -0,0 +1,32 @@
+<?php
+namespace EIS\Component\EIS\Administrator\View\Config;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
+use Joomla\CMS\Factory;
+
+class HtmlView extends BaseHtmlView
+{
+    protected $form;
+    protected $item;
+
+    public function display($tpl = null): void
+    {
+        $db = Factory::getDbo();
+        $query = $db->getQuery(true)
+            ->select('*')
+            ->from($db->quoteName('#__eis_settings'))
+            ->setLimit(1);
+
+        $db->setQuery($query);
+        $this->item = $db->loadAssoc();
+
+        parent::display($tpl);
+    }
+
+    public function getItem()
+    {
+        return $this->item;
+    }
+}

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

@@ -0,0 +1,20 @@
+<?php
+
+namespace EIS\Component\EIS\Administrator\View\Main;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
+use EIS\Component\EIS\Administrator\Helper\TreeHelper;
+
+class HtmlView extends BaseHtmlView
+{
+    public function display($tpl = null): void
+    {
+        // Baumdaten laden und fürs Template bereitstellen
+        $items = TreeHelper::getItems();
+        $this->treeHtml = TreeHelper::renderTree($items);
+
+        parent::display($tpl);
+    }
+}

com_eis/administrator/tmpl/config/default.php

@@ -0,0 +1,38 @@
+<?php defined('_JEXEC') or die;
+
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\Router\Route;
+use Joomla\CMS\HTML\HTMLHelper;
+use Joomla\CMS\Session\Session;
+
+$item = $this->getItem();
+$pdfPath = $item['pdf_path'] ?? '';
+?>
+
+<h2><?php echo Text::_('COM_EIS_CONFIG_TITLE'); ?></h2>
+
+<form action="<?php echo Route::_('index.php?option=com_eis&task=config.save'); ?>" method="post" name="adminForm" id="adminForm">
+    <div class="form-horizontal">
+        <fieldset class="adminform">
+            <legend><?php echo Text::_('COM_EIS_FIELDSET_SETTINGS'); ?></legend>
+
+            <div class="control-group">
+                <label class="control-label" for="pdf_path">
+                    <?php echo Text::_('COM_EIS_FIELD_PDF_PATH'); ?>
+                </label>
+                <div class="controls">
+                    <input type="text" name="pdf_path" id="pdf_path" value="<?php echo htmlspecialchars($pdfPath, ENT_QUOTES); ?>" size="60" />
+                </div>
+            </div>
+
+        </fieldset>
+    </div>
+
+    <div>
+        <button type="submit" class="btn btn-primary">
+            <?php echo Text::_('JSAVE'); ?>
+        </button>
+    </div>
+
+    <?php echo HTMLHelper::_('form.token'); ?>
+</form>

com_eis/administrator/tmpl/main/default.php

@@ -0,0 +1,234 @@
+<?php
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\HTML\HTMLHelper;
+use Joomla\CMS\Router\Route;
+use Joomla\CMS\Language\Text;
+?>
+
+<!-- Scan-Formular -->
+<form action="<?php echo Route::_('index.php?option=com_eis&task=display.scan'); ?>" method="post" name="adminForm" id="adminForm">
+  <div class="form-horizontal">
+    <fieldset class="adminform">
+      <legend><?php echo Text::_('COM_EIS_DOCUMENT_PATH'); ?></legend>
+      <!-- Optional: Hier später Pfad aus Einstellungen anzeigen -->
+    </fieldset>
+
+    <div class="mt-2">
+      <button class="btn btn-primary" type="submit">
+        <?php echo Text::_('COM_EIS_SCAN_DOCUMENTS'); ?>
+      </button>
+    </div>
+  </div>
+  <?php echo HTMLHelper::_('form.token'); ?>
+</form>
+
+<hr>
+
+<?php $hasTree = !empty($this->treeHtml); ?>
+
+<?php if (!$hasTree): ?>
+  <p class="text-muted">
+    <?php echo Text::_('COM_EIS_NO_DOCUMENTS_FOUND') ?: 'Noch keine Dokumente in der Datenbank. Bitte zuerst „Dokumente einlesen“ ausführen.'; ?>
+  </p>
+<?php else: ?>
+
+  <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-top: 0;
+    }
+
+    /* Baum */
+    .pdf-tree {
+      list-style: none;
+      margin: 0;
+      padding: 0;
+    }
+
+    .pdf-tree ul {
+      list-style: none;
+      margin-left: 1.5em;
+      padding: 0;
+      display: none;
+    }
+
+    /* Unterebenen eingeklappt */
+    .pdf-tree li {
+      margin: .3em 0;
+    }
+
+    .folder>.toggle {
+      cursor: pointer;
+      width: 1em;
+      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;
+    }
+
+    /* Steuerleiste */
+    .controls {
+      margin-bottom: .75em;
+    }
+
+    .controls button {
+      margin-right: .5em;
+    }
+  </style>
+
+  <h3 class="mt-3"><?php echo Text::_('COM_EIS_PDF_TREE') ?: 'PDF-Baum'; ?></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::_('JGLOBAL_EXPAND_ALL') ?: 'Ausklappen'; ?>
+        </button>
+        <button id="eis-collapse-all" type="button" class="btn btn-sm btn-secondary">
+          <?php echo Text::_('JGLOBAL_COLLAPSE_ALL') ?: 'Einklappen'; ?>
+        </button>
+      </div>
+
+      <div class="tree">
+        <?php echo $this->treeHtml; ?>
+      </div>
+    </div>
+
+    <!-- Rechte Seite: Inline-Bearbeitungsformular -->
+    <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">
+        <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" style="margin-top:.5rem;">
+          <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>
+
+        <input type="hidden" name="id" id="eis-id" value="">
+
+        <div style="margin-top:.75rem;">
+          <button type="submit" class="btn btn-success">
+            <?php echo Text::_('JSAVE') ?: 'Speichern'; ?>
+          </button>
+          <button type="button" id="eis-clear-title" class="btn btn-light">
+            <?php echo Text::_('JDEFAULT') ?: 'Zurücksetzen'; ?>
+          </button>
+        </div>
+
+        <?php echo HTMLHelper::_('form.token'); ?>
+      </form>
+    </div>
+  </div>
+
+  <script>
+    document.addEventListener('DOMContentLoaded', function() {
+      const wrap = document.querySelector('.eis-tree-wrap');
+      const form = document.getElementById('eis-rename-form');
+      const idField = document.getElementById('eis-id');
+      const nameField = document.getElementById('eis-current-name');
+      const titleField = document.getElementById('eis-title');
+      const clearBtn = document.getElementById('eis-clear-title');
+
+      if (!wrap || !form) return;
+
+      // Einzelnes Toggle: Caret ODER Label
+      wrap.addEventListener('click', (e) => {
+        const t = e.target;
+
+        // Toggle (Caret oder Label für Ordner)
+        if (t.classList.contains('toggle') || t.classList.contains('folder-label')) {
+          const li = t.closest('li.folder');
+          if (li) {
+            // direkte Kind-UL finden
+            let childUl = null;
+            for (const el of li.children) {
+              if (el.tagName === 'UL') {
+                childUl = el;
+                break;
+              }
+            }
+            if (childUl) {
+              const open = childUl.style.display === 'block';
+              childUl.style.display = open ? 'none' : 'block';
+              const caret = li.querySelector(':scope > .toggle') || li.querySelector('.toggle');
+              if (caret) caret.textContent = open ? '▶' : '▼';
+            }
+          }
+        }
+
+        // Auswahl fürs Bearbeiten: Klick auf Ordner- oder Datei-Label
+        if (t.classList.contains('folder-label') || t.classList.contains('file-label')) {
+          const li = t.closest('li');
+          if (!li) return;
+
+          const id = li.getAttribute('data-id') || '';
+          const title = li.getAttribute('data-title') || '';
+          const name = li.getAttribute('data-name') || '';
+
+          idField.value = id;
+          nameField.value = name;
+          titleField.value = title;
+          titleField.focus();
+        }
+      });
+
+      // "Zurücksetzen" = Anzeigename löschen (fällt auf Dateiname zurück)
+      clearBtn?.addEventListener('click', () => {
+        titleField.value = '';
+        titleField.focus();
+      });
+
+      // Global: Alle 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; ?>