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<?php
/**
* @file
* Contains \Drupal\link\Plugin\field\formatter\LinkSeparateFormatter.
*
* @todo
* Merge into 'link' formatter once there is a #type like 'item' that
* can render a compound label and content outside of a form context.
* http://drupal.org/node/1829202
*/
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namespace Drupal\link\Plugin\Field\FieldFormatter;
use Drupal\Component\Utility\Unicode;
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use Drupal\Core\Field\FieldItemListInterface;
/**
* Plugin implementation of the 'link_separate' formatter.
*
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* @FieldFormatter(
* id = "link_separate",
* label = @Translation("Separate link text and URL"),
* field_types = {
* "link"
* }
* )
*/
class LinkSeparateFormatter extends LinkFormatter {
/**
* {@inheritdoc}
*/
public static function defaultSettings() {
return array(
'trim_length' => '80',
'rel' => '',
'target' => '',
) + parent::defaultSettings();
}
/**
* {@inheritdoc}
*/
public function viewElements(FieldItemListInterface $items) {
$element = array();
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$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 = $url->toString();
// If the link text field value is available, use it for the text.
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if (empty($settings['url_only']) && !empty($item->title)) {
// Unsanitized token replacement here because $options['html'] is FALSE
// by default in _l().
$link_title = \Drupal::token()->replace($item->title, array($entity->getEntityTypeId() => $entity), array('sanitize' => FALSE, '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,
// $link_title defaults to the URL, so it needs to be unset.
// The URL version may need to be trimmed as well.
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if (empty($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] = array(
'#theme' => 'link_formatter_link_separate',
'#title' => $link_title,
'#url_title' => $url_title,
'#url' => $url,
);
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if (!empty($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);
}