Add MDTitleTypesSet for controlling alternative title types

src/MDTitleTypesSet.php

@@ -0,0 +1,34 @@
+<?PHP
+/**
+ * Contains a class for controlling the list of available marking types.
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+declare(strict_types = 1);
+
+/**
+ * Class containing available marking types.
+ */
+class MDTitleTypesSet extends MDValueSet {
+
+    const TITLE_TYPES = [
+        "",
+        "Science",
+        "Everyday speech",
+        "Colloquial speech",
+        "Dialect",
+    ];
+
+    /**
+     * Gets a sorted list of the entries in a translated version.
+     *
+     * @param MDTlLoader $tlLoader Translation loader.
+     *
+     * @return array<string>
+     */
+    public static function getSortedList(MDTlLoader $tlLoader):array {
+        return parent::getTlSortedList($tlLoader, self::TITLE_TYPES, "title_types_set", "title_types_set");
+
+    }
+
+}