erste Lauffähige Fassung

com_eis/eis.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<extension type="component" method="install">
+    <!-- Database table for PDF entries -->
+    <install>
+        <sql>
+            <file driver="mysql" charset="utf8mb4">sql/install/mysql/install.mysql.sql</file>
+        </sql>
+    </install>
+
+    <name>com_eis</name>
+    <creationDate>2025-07-23</creationDate>
+    <author>Thomas Spohr powert by OpenAI</author>
+    <version>1.0.0</version>
+    <description>EIS Minimal-Komponente</description>
+    <namespace path="src">EIS\Component\EIS</namespace>
+    <administration>
+        <menu img="class:eis">COM_EIS_MENU</menu>
+        <submenu>
+            <menu link="option=com_eis&amp;view=main" img="class:eis-main" alt="EIS/Main">
+                COM_EIS_MAIN</menu>
+        </submenu>
+      
+        <files client="administrator">
+            <folder>sql</folder>
+            <folder>src</folder>
+            <folder>tmpl</folder>
+
+            <folder>language</folder>
+            <folder>services</folder>
+        </files>
+        <languages folder="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>
+    </administration>
+</extension>

com_eis/language/en-GB/en-GB.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_SETTINGS="Einstellungen"
+COM_EIS_MAINTENANCE="Wartung"

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

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+COM_EIS="EIS Komponente"

com_eis/services/provider.php

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+<?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;
+
+return new class implements ServiceProviderInterface
+{
+    public function register(Container $container): void
+    {
+        $container->registerServiceProvider(new ComponentDispatcherFactory('\\EIS\\Component\\EIS'));
+        $container->registerServiceProvider(new MVCFactory('\\EIS\\Component\\EIS'));
+        $container->registerServiceProvider(new RouterFactory('\\EIS\\Component\\EIS'));
+
+        $container->set(
+            ComponentInterface::class,
+            static fn(Container $c) => new MVCComponent(
+                $c->get(ComponentDispatcherFactoryInterface::class)
+            )
+        );
+    }
+};

com_eis/sql/install/mysql/install.mysql.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,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

com_eis/src/Controller/DisplayController.php

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+<?php
+namespace EIS\Component\EIS\Administrator\Controller;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\MVC\Controller\BaseController;
+use Joomla\CMS\Factory;
+
+class DisplayController extends BaseController
+{
+    protected $default_view = 'main';
+
+    /**
+     * Endpoint to generate JSON of PDF directory tree
+     */
+    public function scan(): void
+    {
+        $input = Factory::getApplication()->input;
+        // Default to PDF folder if no path provided
+        $defaultPath = JPATH_ROOT . DIRECTORY_SEPARATOR . 'pdf';
+        $path = $input->getString('path', $defaultPath);
+        $data  = $this->scanFolder($path);
+
+        // Encode JSON
+        $json = json_encode($data, JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
+
+        // Determine output file path
+        $outputFile = JPATH_ROOT . DIRECTORY_SEPARATOR . 'media' . DIRECTORY_SEPARATOR . 'com_eis' . DIRECTORY_SEPARATOR . 'documents.json';
+        // Ensure directory exists
+        $dir = dirname($outputFile);
+        if (!is_dir($dir)) {
+            mkdir($dir, 0755, true);
+        }
+        // Write JSON to file
+        file_put_contents($outputFile, $json);
+
+        // Provide feedback and redirect
+        Factory::getApplication()
+            ->enqueueMessage('JSON file saved to ' . $outputFile, 'message');
+        // Ausgabe auch im Bachkend
+            Factory::getApplication()->setUserState('com_eis.pdfdata', $data);
+        $this->setRedirect('index.php?option=com_eis&view=main');
+    }
+
+    /**
+     * Recursively scans a directory and returns an array structure
+     * with names and absolute paths for PDF files.
+     *
+     * @param string $dir Absolute filesystem path
+     * @return array Structure: [ ['name'=>'FolderName','children'=>[...] ], ['name'=>'file.pdf','path'=>'/abs/path/file.pdf'] ]
+     */
+    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)) {
+                // Directory: include name and children
+                $result[] = [
+                    'name'     => $file,
+                    'children' => $this->scanFolder($fullPath)
+                ];
+            } elseif (is_file($fullPath) && strtolower(pathinfo($file, PATHINFO_EXTENSION)) === 'pdf') {
+                // File: include name and absolute path
+                $result[] = [
+                    'name' => $file,
+                    'path' => $fullPath
+                ];
+            }
+        }
+
+        return $result;
+    }
+}

com_eis/src/Extension/EISComponent.php

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

com_eis/src/View/Main/HtmlView.php

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+<?php
+namespace EIS\Component\EIS\Administrator\View\Main;
+
+\defined('_JEXEC') or die;
+use Joomla\CMS\Factory;
+use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
+
+class HtmlView extends BaseHtmlView
+{
+    public function display($tpl = null): void
+    {
+        echo "<h2>Willkommen bei EIS</h2>";
+        $this->data = Factory::getApplication()->getUserState('com_eis.pdfdata');
+        parent::display($tpl);
+    }
+}

com_eis/tmpl/main/default.php

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+<?php
+\defined('_JEXEC') or die;
+use Joomla\CMS\HTML\HTMLHelper;
+use Joomla\CMS\Router\Route;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\Session\Session;
+
+?>
+
+<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>
+            <div class="control-group">
+                <label class="control-label" for="docpath"><?php echo Text::_('COM_EIS_DOCUMENT_PATH_LABEL'); ?></label>
+                <div class="controls">
+                    <input type="text" name="docpath" id="docpath" size="60" value="/var/www/vhosts/ts-it24.net/stbv.ts-it24.net/pdf/" />
+                </div>
+            </div>
+        </fieldset>
+        <div>
+            <button class="btn btn-primary" type="submit"><?php echo Text::_('COM_EIS_SCAN_DOCUMENTS'); ?></button>
+        </div>
+    </div>
+    <?php echo HTMLHelper::_('form.token'); ?>
+</form>
+<?php if (!empty($this->data)) : ?>
+    <hr>
+    <h3><?php echo Text::_('COM_EIS_PDF_TREE'); ?></h3>
+    <ul>
+        <?php echo renderTree($this->data); ?>
+    </ul>
+<?php endif; ?>
+
+<?php
+function renderTree($items)
+{
+    $html = '';
+    foreach ($items as $item) {
+        if (isset($item['children'])) {
+            $html .= '<li><strong>' . htmlspecialchars($item['name']) . '</strong><ul>' . renderTree($item['children']) . '</ul></li>';
+        } else {
+            $html .= '<li>' . htmlspecialchars($item['name']) . '</li>';
+        }
+    }
+    return $html;
+}
+?>