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<?php |
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namespace Drupal\entity_browser\Plugin\EntityBrowser\Widget; |
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use Drupal\Component\Utility\NestedArray; |
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use Drupal\Core\Entity\EntityTypeManagerInterface; |
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use Drupal\Core\Extension\ModuleHandlerInterface; |
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use Drupal\Core\Form\FormStateInterface; |
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use Drupal\Core\Utility\Token; |
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use Drupal\entity_browser\WidgetBase; |
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use Drupal\entity_browser\WidgetValidationManager; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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/** |
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* Uses a view to provide entity listing in a browser's widget. |
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* |
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* @EntityBrowserWidget( |
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* id = "upload", |
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* label = @Translation("Upload"), |
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* description = @Translation("Adds an upload field browser's widget.") |
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* ) |
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*/ |
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class Upload extends WidgetBase { |
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/** |
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* The module handler service. |
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* |
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* @var \Drupal\Core\Extension\ModuleHandlerInterface |
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*/ |
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protected $moduleHandler; |
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/** |
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* The token service. |
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* |
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* @var \Drupal\Core\Utility\Token |
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*/ |
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protected $token; |
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/** |
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* Upload constructor. |
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* |
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* @param array $configuration |
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* A configuration array containing information about the plugin instance. |
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* @param string $plugin_id |
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* The plugin_id for the plugin instance. |
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* @param mixed $plugin_definition |
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* The plugin implementation definition. |
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* @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher |
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* Event dispatcher service. |
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* @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager |
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* The entity type manager service. |
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* @param \Drupal\entity_browser\WidgetValidationManager $validation_manager |
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* The Widget Validation Manager service. |
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* @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler |
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* The module handler. |
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* @param \Drupal\Core\Utility\Token $token |
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* The token service. |
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*/ |
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public function __construct(array $configuration, $plugin_id, $plugin_definition, EventDispatcherInterface $event_dispatcher, EntityTypeManagerInterface $entity_type_manager, WidgetValidationManager $validation_manager, ModuleHandlerInterface $module_handler, Token $token) { |
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parent::__construct($configuration, $plugin_id, $plugin_definition, $event_dispatcher, $entity_type_manager, $validation_manager); |
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$this->moduleHandler = $module_handler; |
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$this->token = $token; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) { |
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return new static( |
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$configuration, |
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$plugin_id, |
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$plugin_definition, |
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$container->get('event_dispatcher'), |
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$container->get('entity_type.manager'), |
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$container->get('plugin.manager.entity_browser.widget_validation'), |
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$container->get('module_handler'), |
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$container->get('token') |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function defaultConfiguration() { |
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return [ |
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'upload_location' => 'public://', |
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] + parent::defaultConfiguration(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getForm(array &$original_form, FormStateInterface $form_state, array $additional_widget_parameters) { |
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$form = []; |
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$form['upload'] = [ |
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'#type' => 'managed_file', |
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'#title' => t('Choose a file'), |
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'#title_display' => 'invisible', |
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'#upload_location' => $this->token->replace($this->configuration['upload_location']), |
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'#multiple' => TRUE, |
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]; |
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return $form; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function prepareEntities(FormStateInterface $form_state) { |
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$files = []; |
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foreach ($form_state->getValue(['upload'], []) as $fid) { |
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$files[] = $this->entityTypeManager->getStorage('file')->load($fid); |
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} |
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return $files; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function submit(array &$element, array &$form, FormStateInterface $form_state) { |
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$files = $this->extractFiles($form_state); |
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$this->selectEntities($files, $form_state); |
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$this->clearFormValues($element, $form_state); |
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} |
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/** |
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* Clear values from upload form element. |
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* |
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* @param array $element |
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* Upload form element. |
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* @param \Drupal\Core\Form\FormStateInterface $form_state |
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* Form state object. |
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*/ |
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protected function clearFormValues(array &$element, FormStateInterface $form_state) { |
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// We propagated entities to the other parts of the system. We can now remove |
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// them from our values. |
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$form_state->setValueForElement($element['upload']['fids'], ''); |
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NestedArray::setValue($form_state->getUserInput(), $element['upload']['fids']['#parents'], ''); |
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} |
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/** |
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* @param FormStateInterface $form_state |
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* Form state object. |
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* |
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* @return \Drupal\file\FileInterface[] |
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* Array of files. |
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*/ |
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protected function extractFiles(FormStateInterface $form_state) { |
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$files = []; |
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foreach ($form_state->getValue(['upload'], []) as $fid) { |
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/** @var \Drupal\file\FileInterface $file */ |
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$file = $this->entityTypeManager->getStorage('file')->load($fid); |
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$file->setPermanent(); |
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$file->save(); |
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$files[] = $file; |
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} |
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return $files; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function buildConfigurationForm(array $form, FormStateInterface $form_state) { |
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$form['upload_location'] = [ |
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'#type' => 'textfield', |
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'#title' => $this->t('Upload location'), |
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'#default_value' => $this->configuration['upload_location'], |
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]; |
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if ($this->moduleHandler->moduleExists('token')) { |
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$form['token_help'] = [ |
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'#theme' => 'token_tree_link', |
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'#token_types' => ['file'], |
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]; |
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$form['upload_location']['#description'] = $this->t('You can use tokens in the upload location.'); |
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} |
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return $form; |
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} |
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} |
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drupal-media /
entity_browser
