ImageUrlFormatter.php in Drupal 8
File
core/modules/image/src/Plugin/Field/FieldFormatter/ImageUrlFormatter.php
View source
<?php
namespace Drupal\image\Plugin\Field\FieldFormatter;
use Drupal\Core\Cache\CacheableMetadata;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Form\FormStateInterface;
class ImageUrlFormatter extends ImageFormatter {
public static function defaultSettings() {
return [
'image_style' => '',
];
}
public function settingsForm(array $form, FormStateInterface $form_state) {
$element = parent::settingsForm($form, $form_state);
unset($element['image_link']);
return $element;
}
public function settingsSummary() {
$summary = parent::settingsSummary();
return [
$summary[0],
];
}
public function viewElements(FieldItemListInterface $items, $langcode) {
$elements = [];
if (empty($images = $this
->getEntitiesToView($items, $langcode))) {
return $elements;
}
$image_style = $this->imageStyleStorage
->load($this
->getSetting('image_style'));
foreach ($images as $delta => $image) {
$image_uri = $image
->getFileUri();
$url = $image_style ? $image_style
->buildUrl($image_uri) : file_create_url($image_uri);
$url = file_url_transform_relative($url);
$cacheability = CacheableMetadata::createFromObject($image);
if ($image_style) {
$cacheability
->addCacheableDependency(CacheableMetadata::createFromObject($image_style));
}
$elements[$delta] = [
'#markup' => $url,
];
$cacheability
->applyTo($elements[$delta]);
}
return $elements;
}
}