See Tag Only On Active Itemtypes (#221)

* See Tag Only On Active Itemtypes

* Fix CS

* Fix for global tags

* Update inc/tag.class.php

Co-authored-by: Romain B. <8530352+Rom1-B@users.noreply.github.com>

* Change function order

---------

Co-authored-by: Romain B. <8530352+Rom1-B@users.noreply.github.com>

Author: tsmr

inc/tag.class.php

@@ -75,7 +75,23 @@ public static function getBlacklistItemtype()
      */
     public static function canItemtype($itemtype = '')
     {
-        return !empty($itemtype) && class_exists($itemtype) && !in_array($itemtype, self::getBlacklistItemtype());
+        if (empty($itemtype) || !class_exists($itemtype) || in_array($itemtype, self::getBlacklistItemtype())) {
+            return false;
+        }
+
+        $tags = new self();
+        $types_menu = [];
+        $use_global_tag = false;
+
+        foreach ($tags->find(['is_active' => 1]) as $tag) {
+            if (!empty($tag['type_menu'])) {
+                $types_menu = array_merge($types_menu, json_decode($tag['type_menu']));
+            } else {
+                $use_global_tag = true;
+            }
+        }
+
+        return $use_global_tag || in_array($itemtype, $types_menu);
     }
 
     public function showForm($ID, $options = [])