Version 1
[yaffs-website] / web / modules / contrib / media_entity_slideshow / src / Plugin / Validation / Constraint / ItemsCountConstraintValidator.php
diff --git a/web/modules/contrib/media_entity_slideshow/src/Plugin/Validation/Constraint/ItemsCountConstraintValidator.php b/web/modules/contrib/media_entity_slideshow/src/Plugin/Validation/Constraint/ItemsCountConstraintValidator.php
new file mode 100644 (file)
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+<?php
+
+namespace Drupal\media_entity_slideshow\Plugin\Validation\Constraint;
+
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+
+/**
+ * Validates the ItemsCount constraint.
+ */
+class ItemsCountConstraintValidator extends ConstraintValidator {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validate($value, Constraint $constraint) {
+    if (!isset($value)) {
+      return;
+    }
+
+    if ($value->get($constraint->sourceFieldName)->isEmpty()) {
+      $this->context->addViolation($constraint->message);
+    }
+  }
+
+}