new file mode 100644

@@ -0,0 +1,32 @@

+<?php

+

+declare(strict_types=1);

+

+namespace App\Model;

+

+use Contao\Model;

+

+/**

+ * add properties for IDE support

+ *

+ * @property string $not_buyable

+ */

+class Standard extends \Isotope\Model\Product\Standard

+{

+    public function generate(array $arrConfig)

+    {

+

+        $arrButtons = array();

+        foreach ($arrConfig['buttons'] as $button)

+        {

+            if ($button == 'add_to_cart' && $this->not_buyable)

+            {

+                continue;

+            }

+            $arrButtons[] = $button;

+        }

+        $arrConfig['buttons'] = $arrButtons;

+

+        return parent::generate($arrConfig);

+    }

+}