--- /dev/null
+<?php
+
+namespace Drupal\link\Plugin\Field\FieldFormatter;
+
+use Drupal\Component\Utility\Unicode;
+use Drupal\Core\Field\FieldItemListInterface;
+
+/**
+ * Plugin implementation of the 'link_separate' formatter.
+ *
+ * @todo https://www.drupal.org/node/1829202 Merge into 'link' formatter once
+ * there is a #type like 'item' that can render a compound label and content
+ * outside of a form context.
+ *
+ * @FieldFormatter(
+ * id = "link_separate",
+ * label = @Translation("Separate link text and URL"),
+ * field_types = {
+ * "link"
+ * }
+ * )
+ */
+class LinkSeparateFormatter extends LinkFormatter {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function defaultSettings() {
+ return [
+ 'trim_length' => 80,
+ 'rel' => '',
+ 'target' => '',
+ ] + parent::defaultSettings();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function viewElements(FieldItemListInterface $items, $langcode) {
+ $element = [];
+ $entity = $items->getEntity();
+ $settings = $this->getSettings();
+
+ foreach ($items as $delta => $item) {
+ // By default use the full URL as the link text.
+ $url = $this->buildUrl($item);
+ $link_title = $url->toString();
+
+ // If the link text field value is available, use it for the text.
+ if (empty($settings['url_only']) && !empty($item->title)) {
+ // Unsanitized token replacement here because the entire link title
+ // gets auto-escaped during link generation in
+ // \Drupal\Core\Utility\LinkGenerator::generate().
+ $link_title = \Drupal::token()->replace($item->title, [$entity->getEntityTypeId() => $entity], ['clear' => TRUE]);
+ }
+
+ // The link_separate formatter has two titles; the link text (as in the
+ // field values) and the URL itself. If there is no link text value,
+ // $link_title defaults to the URL, so it needs to be unset.
+ // The URL version may need to be trimmed as well.
+ if (empty($item->title)) {
+ $link_title = NULL;
+ }
+ $url_title = $url->toString();
+ if (!empty($settings['trim_length'])) {
+ $link_title = Unicode::truncate($link_title, $settings['trim_length'], FALSE, TRUE);
+ $url_title = Unicode::truncate($url_title, $settings['trim_length'], FALSE, TRUE);
+ }
+
+ $element[$delta] = [
+ '#theme' => 'link_formatter_link_separate',
+ '#title' => $link_title,
+ '#url_title' => $url_title,
+ '#url' => $url,
+ ];
+
+ if (!empty($item->_attributes)) {
+ // Set our RDFa attributes on the <a> element that is being built.
+ $url->setOption('attributes', $item->_attributes);
+
+ // Unset field item attributes since they have been included in the
+ // formatter output and should not be rendered in the field template.
+ unset($item->_attributes);
+ }
+ }
+ return $element;
+ }
+
+}