Version 1

[yaffs-website] / web / modules / contrib / entity_browser / src / Plugin / EntityBrowser / WidgetValidation / Cardinality.php

diff --git a/web/modules/contrib/entity_browser/src/Plugin/EntityBrowser/WidgetValidation/Cardinality.php b/web/modules/contrib/entity_browser/src/Plugin/EntityBrowser/WidgetValidation/Cardinality.php
new file mode 100644 (file)
index 0000000..617ddd4
--- /dev/null
+++ b/web/modules/contrib/entity_browser/src/Plugin/EntityBrowser/WidgetValidation/Cardinality.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace Drupal\entity_browser\Plugin\EntityBrowser\WidgetValidation;
+
+use Drupal\entity_browser\Element\EntityBrowserElement;
+use Drupal\entity_browser\WidgetValidationBase;
+use Symfony\Component\Validator\ConstraintViolation;
+use Symfony\Component\Validator\ConstraintViolationList;
+
+/**
+ * Validates that the widget returns the appropriate number of elements.
+ *
+ * @EntityBrowserWidgetValidation(
+ *   id = "cardinality",
+ *   label = @Translation("Cardinality validator")
+ * )
+ */
+class Cardinality extends WidgetValidationBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validate(array $entities, $options = []) {
+    $violations = new ConstraintViolationList();
+
+    // As this validation happens at a level above the individual entities,
+    // we implement logic without using Constraint Plugins.
+    $count = count($entities);
+    $max = $options['cardinality'];
+    if ($max !== EntityBrowserElement::CARDINALITY_UNLIMITED && $count > $max) {
+      $message = $this->formatPlural($max, 'You can not select more than 1 entity.', 'You can not select more than @count entities.');
+      $violation = new ConstraintViolation($message, $message, [], $count, '', $count);
+      $violations->add($violation);
+    }
+
+    return $violations;
+  }
+
+}