ImageThumbnail.php in Entity Browser 8
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src/Plugin/EntityBrowser/FieldWidgetDisplay/ImageThumbnail.php
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<?php
namespace Drupal\entity_browser\Plugin\EntityBrowser\FieldWidgetDisplay;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\file\FileInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\entity_browser\FieldWidgetDisplayBase;
class ImageThumbnail extends FieldWidgetDisplayBase implements ContainerFactoryPluginInterface {
protected $entityTypeManager;
public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityTypeManagerInterface $entity_type_manager) {
parent::__construct($configuration, $plugin_id, $plugin_definition);
$this->entityTypeManager = $entity_type_manager;
}
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static($configuration, $plugin_id, $plugin_definition, $container
->get('entity_type.manager'));
}
public function view(EntityInterface $entity) {
return [
'#theme' => 'image_style',
'#style_name' => $this->configuration['image_style'],
'#title' => $entity
->label(),
'#alt' => $entity
->label(),
'#uri' => $entity
->getFileUri(),
];
}
public function settingsForm(array $form, FormStateInterface $form_state) {
$options = [];
foreach ($this->entityTypeManager
->getStorage('image_style')
->loadMultiple() as $id => $image_style) {
$options[$id] = $image_style
->label();
}
return [
'image_style' => [
'#type' => 'select',
'#title' => $this
->t('Image style'),
'#description' => $this
->t('Select image style to be used to display thumbnails.'),
'#default_value' => $this->configuration['image_style'],
'#options' => $options,
],
];
}
public function isApplicable(EntityTypeInterface $entity_type) {
return $entity_type
->entityClassImplements(FileInterface::class);
}
public function defaultConfiguration() {
return [
'image_style' => 'thumbnail',
] + parent::defaultConfiguration();
}
public function calculateDependencies() {
$dependencies = parent::calculateDependencies();
if ($image_style = $this->entityTypeManager
->getStorage('image_style')
->load($this->configuration['image_style'])) {
$dependencies[$image_style
->getConfigDependencyKey()][] = $image_style
->getConfigDependencyName();
}
return $dependencies;
}
}