Allow to specify the 3d model for a footprint.

src/Form/AdminPages/FootprintAdminForm.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ *
+ * part-db version 0.1
+ * Copyright (C) 2005 Christoph Lechner
+ * http://www.cl-projects.de/
+ *
+ * part-db version 0.2+
+ * Copyright (C) 2009 K. Jacobs and others (see authors.php)
+ * http://code.google.com/p/part-db/
+ *
+ * Part-DB Version 0.4+
+ * Copyright (C) 2016 - 2019 Jan Böhmer
+ * https://github.com/jbtronics
+ *
+ * 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ *
+ */
+
+namespace App\Form\AdminPages;
+
+
+use App\Entity\Base\NamedDBElement;
+use App\Form\Type\MasterPictureAttachmentType;
+use Symfony\Component\Form\FormBuilderInterface;
+
+class FootprintAdminForm extends BaseEntityAdminForm
+{
+    public function additionalFormElements(FormBuilderInterface $builder, array $options, NamedDBElement $entity)
+    {
+        $builder->add('footprint_3d', MasterPictureAttachmentType::class, [
+            'required' => false,
+            'disabled' => !$this->security->isGranted($entity->getID() === null ? 'create' : 'edit', $entity),
+            'label' => $this->trans->trans('footprint.edit.3d_model'),
+            'filter' => '3d_model',
+            'entity' => $entity
+        ]);
+    }
+}

src/Form/Type/MasterPictureAttachmentType.php

@@ -58,6 +58,8 @@ class MasterPictureAttachmentType extends AbstractType
 
                     if ($options['filter'] === 'picture' && !$choice->isPicture()) {
                         $tmp += ['disabled' => 'disabled'];
+                    } elseif ($options['filter'] === '3d_model' && !$choice->is3DModel()) {
+                        $tmp += ['disabled' => 'disabled'];
                     }
 
                     return $tmp;
@@ -85,7 +87,7 @@ class MasterPictureAttachmentType extends AbstractType
             }
         ]);
 
-        $resolver->setAllowedValues('filter', ['', 'picture', '3d_models']);
+        $resolver->setAllowedValues('filter', ['', 'picture', '3d_model']);
     }
 
     public function getParent()