Move LvVerwaltung treemenu config to config file and disable groups & verband per default

application/config/treemenu/custom/lvvw.php

@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * Copyright (C) 2026 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+$config['root'] = [
+	'stg' => [
+		'semester' => [
+			/*'group',
+			'verband' => [
+				'group'
+			]*/
+		],
+		'orgform'
+	]
+];

application/libraries/treemenu/LvVwLib.php

@@ -34,17 +34,8 @@ class LvVwLib
 		$this->_ci =& get_instance();
 
 		// Load Tree-config
-		$this->config = [
-			'stg' => [
-				'semester' => [
-					'group',
-					'verband' => [
-						'group'
-					]
-				],
-				'orgform'
-			]
-		];
+		$this->_ci->load->config('treemenu/custom/lvvw');
+		$this->config = $this->_ci->config->item('root');
 
 		// Load Libraries
 		$this->_ci->load->library('treemenu/base/StgLib');
@@ -74,13 +65,15 @@ class LvVwLib
 		return $this->_ci->stglib->studiengang($path_template, $permittedStgs);
 	}
 
-	public function semester($path_template, $stg)
+	public function semester($path_template, $has_children, $stg)
 	{
 		$stg = $this->getStgFromUrl($stg);
 
 		if ($stg === null)
 			return [];
 
+		if (!$has_children)
+			$this->_ci->StudiengangModel->db->select('TRUE AS leaf', false);
 		$this->_ci->StudiengangModel->addSelect("ARRAY['link', FORMAT('{" .
 			'"type": "verband",' .
 			'"id": "lv/%1$s/%2$s",' .