Issue #65: Allow developers to alter the allowed values for (Content …

…row: Column layout).

oe_paragraphs.api.php

@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * @file
+ * Hooks for the OE Paragraphs module.
+ */
+
+declare(strict_types = 1);
+
+/**
+ * Alters the allowed values for "Content row: Column layout".
+ *
+ * @param array $allowed_values
+ *   Array of possible key and value options.
+ *
+ * @see _oe_paragraphs_allowed_values_content_row_column_layout()
+ */
+function hook_oe_paragraphs_allowed_values_content_row_column_layout_alter(array &$allowed_values) {
+  $allowed_values = [
+    '2' => t('2 columns (equal width | 6-6)'),
+    '6-3-3' => t('3 columns (non-equal width | 6-3-3)'),
+    '4' => t('4 columns (equal width | 3-3-3-3)'),
+  ];
+}

oe_paragraphs.module

@@ -50,10 +50,13 @@ function oe_paragraphs_entity_base_field_info(EntityTypeInterface $entity_type):
  * @see options_allowed_values()
  */
 function _oe_paragraphs_allowed_values_content_row_column_layout(FieldStorageDefinitionInterface $definition, FieldableEntityInterface $entity = NULL, $cacheable): array {
-  return [
+  $allowed_values = [
     '2' => t('2 columns (equal width | 6-6)'),
     '8-4' => t('2 columns (non-equal width | 8-4)'),
     '3' => t('3 columns (equal width | 4-4-4)'),
     '3-6-3' => t('3 columns (non-equal width | 3-6-3)'),
   ];
+
+  \Drupal::moduleHandler()->alter('oe_paragraphs_allowed_values_content_row_column_layout', $allowed_values);
+  return $allowed_values;
 }