diff --git a/core/modules/link/lib/Drupal/link/Plugin/field/field_type/LinkItem.php b/core/modules/link/lib/Drupal/link/Plugin/field/field_type/LinkItem.php
new file mode 100644
index 0000000000000000000000000000000000000000..998e60f33a586f9e83e41c2bc0f79ac53a623afa
--- /dev/null
+++ b/core/modules/link/lib/Drupal/link/Plugin/field/field_type/LinkItem.php
@@ -0,0 +1,126 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\email\Plugin\field\field_type\LinkItem.
+ */
+
+namespace Drupal\link\Plugin\field\field_type;
+
+use Drupal\Core\Entity\Annotation\FieldType;
+use Drupal\Core\Annotation\Translation;
+use Drupal\field\Plugin\Type\FieldType\ConfigFieldItemBase;
+use Drupal\field\Plugin\Core\Entity\Field;
+
+/**
+ * Plugin implementation of the 'link' field type.
+ *
+ * @FieldType(
+ * id = "link",
+ * label = @Translation("Link"),
+ * description = @Translation("Stores a URL string, optional varchar link text, and optional blob of attributes to assemble a link."),
+ * instance_settings = {
+ * "title" = "1"
+ * },
+ * default_widget = "link_default",
+ * default_formatter = "link"
+ * )
+ */
+class LinkItem extends ConfigFieldItemBase {
+
+ /**
+ * Definitions of the contained properties.
+ *
+ * @var array
+ */
+ static $propertyDefinitions;
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getPropertyDefinitions() {
+ if (!isset(static::$propertyDefinitions)) {
+ static::$propertyDefinitions['url'] = array(
+ 'type' => 'uri',
+ 'label' => t('URL'),
+ );
+ static::$propertyDefinitions['title'] = array(
+ 'type' => 'string',
+ 'label' => t('Link text'),
+ );
+ static::$propertyDefinitions['attributes'] = array(
+ 'type' => 'map',
+ 'label' => t('Attributes'),
+ );
+ }
+ return static::$propertyDefinitions;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function schema(Field $field) {
+ return array(
+ 'columns' => array(
+ 'url' => array(
+ 'description' => 'The URL of the link.',
+ 'type' => 'varchar',
+ 'length' => 2048,
+ 'not null' => FALSE,
+ ),
+ 'title' => array(
+ 'description' => 'The link text.',
+ 'type' => 'varchar',
+ 'length' => 255,
+ 'not null' => FALSE,
+ ),
+ 'attributes' => array(
+ 'description' => 'Serialized array of attributes for the link.',
+ 'type' => 'blob',
+ 'size' => 'big',
+ 'not null' => FALSE,
+ 'serialize' => TRUE,
+ ),
+ ),
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function instanceSettingsForm(array $form, array &$form_state) {
+ $element = array();
+
+ $element['title'] = array(
+ '#type' => 'radios',
+ '#title' => t('Allow link text'),
+ '#default_value' => $this->getFieldDefinition()->getFieldSetting('title'),
+ '#options' => array(
+ DRUPAL_DISABLED => t('Disabled'),
+ DRUPAL_OPTIONAL => t('Optional'),
+ DRUPAL_REQUIRED => t('Required'),
+ ),
+ );
+
+ return $element;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function preSave() {
+ $item = $this->getValue();
+ // Trim any spaces around the URL and link text.
+ $this->url = trim($this->url);
+ $this->title = trim($this->title);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function isEmpty() {
+ $value = $this->get('url')->getValue();
+ return $value === NULL || $value === '';
+ }
+
+}
diff --git a/core/modules/link/lib/Drupal/link/Type/LinkItem.php b/core/modules/link/lib/Drupal/link/Type/LinkItem.php
deleted file mode 100644
index d41d3bef1885db34d9aca87878d84642904c85f3..0000000000000000000000000000000000000000
--- a/core/modules/link/lib/Drupal/link/Type/LinkItem.php
+++ /dev/null
@@ -1,47 +0,0 @@
-<?php
-
-/**
- * @file
- * Contains \Drupal\link\Type\LinkItem.
- */
-
-namespace Drupal\link\Type;
-
-use Drupal\field\Plugin\field\field_type\LegacyConfigFieldItem;
-
-/**
- * Defines the 'link_field' entity field item.
- */
-class LinkItem extends LegacyConfigFieldItem {
-
- /**
- * Property definitions of the contained properties.
- *
- * @see self::getPropertyDefinitions()
- *
- * @var array
- */
- static $propertyDefinitions;
-
- /**
- * Implements ComplexDataInterface::getPropertyDefinitions().
- */
- public function getPropertyDefinitions() {
-
- if (!isset(self::$propertyDefinitions)) {
- self::$propertyDefinitions['url'] = array(
- 'type' => 'uri',
- 'label' => t('URL'),
- );
- self::$propertyDefinitions['title'] = array(
- 'type' => 'string',
- 'label' => t('Link text'),
- );
- self::$propertyDefinitions['attributes'] = array(
- 'type' => 'map',
- 'label' => t('Attributes'),
- );
- }
- return self::$propertyDefinitions;
- }
-}
diff --git a/core/modules/link/link.install b/core/modules/link/link.install
deleted file mode 100644
index 3714d356a42b43ff5af561009b89449b7de5052a..0000000000000000000000000000000000000000
--- a/core/modules/link/link.install
+++ /dev/null
@@ -1,32 +0,0 @@
-<?php
-
-/**
- * @file
- * Contains install, update, and uninstall functionality for the Link module.
- */
-
-/**
- * Implements hook_field_schema().
- */
-function link_field_schema($field) {
- $schema['columns']['url'] = array(
- 'description' => 'The URL of the link.',
- 'type' => 'varchar',
- 'length' => 2048,
- 'not null' => FALSE,
- );
- $schema['columns']['title'] = array(
- 'description' => 'The link text.',
- 'type' => 'varchar',
- 'length' => 255,
- 'not null' => FALSE,
- );
- $schema['columns']['attributes'] = array(
- 'description' => 'Serialized array of attributes for the link.',
- 'type' => 'blob',
- 'size' => 'big',
- 'not null' => FALSE,
- 'serialize' => TRUE,
- );
- return $schema;
-}
diff --git a/core/modules/link/link.module b/core/modules/link/link.module
index 61066dd72595ebc03ce72799a8e5db72ff728a3c..82840b31769a8b5f1b6f8696be3a737429a98fc7 100644
--- a/core/modules/link/link.module
+++ b/core/modules/link/link.module
@@ -5,8 +5,6 @@
* Defines simple link field types.
*/
-use Drupal\Core\Entity\EntityInterface;
-
/**
* Implements hook_help().
*/
@@ -20,58 +18,6 @@ function link_help($path, $arg) {
}
}
-/**
- * Implements hook_field_info().
- */
-function link_field_info() {
- $types['link'] = array(
- 'label' => t('Link'),
- 'description' => t('Stores a URL string, optional varchar link text, and optional blob of attributes to assemble a link.'),
- 'instance_settings' => array(
- 'title' => DRUPAL_OPTIONAL,
- ),
- 'default_widget' => 'link_default',
- 'default_formatter' => 'link',
- 'class' => '\Drupal\link\Type\LinkItem',
- );
- return $types;
-}
-
-/**
- * Implements hook_field_instance_settings_form().
- */
-function link_field_instance_settings_form($field, $instance) {
- $form['title'] = array(
- '#type' => 'radios',
- '#title' => t('Allow link text'),
- '#default_value' => isset($instance['settings']['title']) ? $instance['settings']['title'] : DRUPAL_OPTIONAL,
- '#options' => array(
- DRUPAL_DISABLED => t('Disabled'),
- DRUPAL_OPTIONAL => t('Optional'),
- DRUPAL_REQUIRED => t('Required'),
- ),
- );
- return $form;
-}
-
-/**
- * Implements hook_field_is_empty().
- */
-function link_field_is_empty($item, $field_type) {
- return !isset($item['url']) || $item['url'] === '';
-}
-
-/**
- * Implements hook_field_presave().
- */
-function link_field_presave(EntityInterface $entity, $field, $instance, $langcode, &$items) {
- foreach ($items as $delta => &$item) {
- // Trim any spaces around the URL and link text.
- $item['url'] = trim($item['url']);
- $item['title'] = trim($item['title']);
- }
-}
-
/**
* Implements hook_theme().
*/