Added possibility to generate labels for storelocations.

src/Services/LabelSystem/PlaceholderProviders/StructuralDBElementProvider.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ * Copyright (C) 2019 - 2020 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 Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Services\LabelSystem\PlaceholderProviders;
+
+
+use App\Entity\Base\AbstractDBElement;
+use App\Entity\Base\AbstractStructuralDBElement;
+
+class StructuralDBElementProvider implements PlaceholderProviderInterface
+{
+
+    public function replace(string $placeholder, object $label_target, array $options = []): ?string
+    {
+        if ($label_target instanceof AbstractStructuralDBElement) {
+            if ($placeholder === '[[COMMENT]]') {
+                return $label_target->getComment();
+            }
+            if ($placeholder === '[[COMMENT_T]]') {
+                return strip_tags($label_target->getComment());
+            }
+            if ($placeholder === '[[FULL_PATH]]') {
+                return $label_target->getFullPath();
+            }
+            if ($placeholder === '[[PARENT]]') {
+                return $label_target->getParent() ? $label_target->getParent()->getName() : '';
+            }
+            if ($placeholder === '[[PARENT_FULL_PATH]]') {
+                return $label_target->getParent() ? $label_target->getParent()->getFullPath() : '';
+            }
+        }
+
+        return null;
+    }
+}