--- /dev/null
+<?php
+
+namespace Drupal\file\Plugin\Field\FieldFormatter;
+
+use Drupal\Core\Field\FieldItemInterface;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Formatter for a text field on a file entity that links the field to the file.
+ *
+ * @FieldFormatter(
+ * id = "file_link",
+ * label = @Translation("File link"),
+ * field_types = {
+ * "string"
+ * }
+ * )
+ */
+class DefaultFileFormatter extends BaseFieldFileFormatterBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function defaultSettings() {
+ $settings = parent::defaultSettings();
+ $settings['link_to_file'] = TRUE;
+
+ return $settings;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function settingsForm(array $form, FormStateInterface $form_state) {
+ // We don't call the parent in order to bypass the link to file form.
+ return $form;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function viewValue(FieldItemInterface $item) {
+ return $item->value;
+ }
+
+}