FileUploadForm.php in Media Directories 3.x

Namespace

Drupal\media_directories_ui\Form

File

modules/media_directories_ui/src/Form/FileUploadForm.php

<?php

namespace Drupal\media_directories_ui\Form;

use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Core\Form\FormBuilderInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Drupal\media\MediaInterface;
class FileUploadForm extends AddMediaFormBase {
  protected function buildInputElement(array $form, FormStateInterface $form_state) {
    $max_filesize = \Drupal\Component\Utility\Environment::getUploadMaxSize();
    $media_type = $this
      ->getMediaType($form_state);
    $process = (array) \Drupal::service('element_info')
      ->getInfoProperty('managed_file', '#process', []);
    $source_field = $media_type
      ->getSource()
      ->getConfiguration()['source_field'];
    $field_config = $this->entityTypeManager
      ->getStorage('field_config')
      ->load('media.' . $media_type
      ->id() . '.' . $source_field);
    $form['container']['upload'] = [
      '#type' => 'managed_file',
      '#title' => $field_config
        ->label(),
      '#description' => $this
        ->t('Allowed file extensions: @extensions', [
        '@extensions' => $field_config
          ->getSetting('file_extensions'),
      ]),
      '#upload_validators' => [
        'file_validate_extensions' => [
          $field_config
            ->getSetting('file_extensions'),
        ],
      ],
      '#multiple' => TRUE,
      '#upload_location' => 'public://media-directories/',
      '#process' => array_merge([
        '::validateUploadElement',
      ], $process, [
        '::processUploadElement',
      ]),
    ];
    return $form;
  }

  /**
   * Validates the upload element.
   *
   * @param array $element
   *   The upload element.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The form state.
   *
   * @return array
   *   The processed upload element.
   */
  public function validateUploadElement(array $element, FormStateInterface $form_state) {

    /*    if ($form_state::hasAnyErrors()) {
          // When an error occurs during uploading files, remove all files so the
          // user can re-upload the files.
          $element['#value'] = [];
        }
        $values = $form_state->getValue('upload', []);
        if (count($values['fids']) > $element['#cardinality'] && $element['#cardinality'] !== FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED) {
          $form_state->setError($element, $this->t('A maximum of @count files can be uploaded.', [
            '@count' => $element['#cardinality'],
          ]));
          $form_state->setValue('upload', []);
          $element['#value'] = [];
        }*/
    return $element;
  }

  /**
   * Processes an upload (managed_file) element.
   *
   * @param array $element
   *   The upload element.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The form state.
   *
   * @return array
   *   The processed upload element.
   */
  public function processUploadElement(array $element, FormStateInterface $form_state) {
    $element['upload_button']['#submit'] = [
      '::uploadButtonSubmit',
    ];

    // Limit the validation errors to make sure
    // FormValidator::handleErrorsWithLimitedValidation doesn't remove the
    // current selection from the form state.
    // @see Drupal\Core\Form\FormValidator::handleErrorsWithLimitedValidation()
    $element['upload_button']['#limit_validation_errors'] = [
      [
        'upload',
      ],
      [
        'current_selection',
      ],
    ];
    $element['upload_button']['#ajax'] = [
      'callback' => '::updateFormCallback',
      'wrapper' => 'media-library-wrapper',
    ];
    return $element;
  }

  /**
   * Submit handler for the upload button, inside the managed_file element.
   *
   * @param array $form
   *   The form render array.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The form state.
   */
  public function uploadButtonSubmit(array $form, FormStateInterface $form_state) {
    $files = $this->entityTypeManager
      ->getStorage('file')
      ->loadMultiple($form_state
      ->getValue('upload', []));
    $this
      ->processInputValues($files, $form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  protected function prepareMediaEntityForSave(MediaInterface $media) {

    /** @var \Drupal\file\FileInterface $file */
    $file = $media
      ->get($this
      ->getSourceFieldName($media->bundle->entity))->entity;
    $file
      ->setPermanent();
    $file
      ->save();
  }

}

Classes

Name	Description
FileUploadForm