hide map menu button if no map is set for the Seminary

controllers/SeminarymenuController.inc

@@ -20,6 +20,12 @@
      */
     class SeminarymenuController extends \hhu\z\Controller
     {
+        /**
+         * Required models
+         *
+         * @var array
+         */
+        public $models = array('map');
 
 
 
@@ -46,6 +52,12 @@
          */
         public function index()
         {
+            // Get map of Seminary
+            $map = $this->Map->getMapOfSeminary(\hhu\z\controllers\SeminaryController::$seminary['id']);
+
+
+            // Pass data to view
+            $this->set('map', $map);
         }
 
     }

views/html/seminarymenu/index.tpl

@@ -5,6 +5,6 @@
 	<li><a href="<?=$linker->link(array('charactergroups','index',$loggedSeminary['url']))?>"><i class="fa fa-users fa-fw"></i><?=_('Character Groups')?></a></li>
 	<li><a href="<?=$linker->link(array('achievements','index',$loggedSeminary['url']))?>"><i class="fa fa-trophy fa-fw"></i><?=_('Achievements')?></a></li>
 	<li><a href="<?=$linker->link(array('library','index',$loggedSeminary['url']))?>"><i class="fa fa-book fa-fw"></i><?=_('Library')?></a></li>
-    <li><a href="<?=$linker->link(array('map','index',$loggedSeminary['url']))?>"><i class="fa fa-map-marker fa-fw"></i><?=_('Map')?></a></li>
+    <?php if(!is_null($map)) : ?><li><a href="<?=$linker->link(array('map','index',$loggedSeminary['url']))?>"><i class="fa fa-map-marker fa-fw"></i><?=_('Map')?></a></li><?php endif ?>
 </ul>
 <?php endif ?>