datafield-1.x-dev/src/Plugin/DataField/FieldWidget/FileWidget.php

<?php

namespace Drupal\datafield\Plugin\DataField\FieldWidget;

use Drupal\Component\Render\PlainTextOutput;
use Drupal\Core\Field\Attribute\FieldWidget;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\datafield\Plugin\DataFieldWidgetInterface;
use Drupal\file\Entity\File;
use Symfony\Component\Validator\ConstraintViolationInterface;

/**
 * Plugin implementation of the 'file_generic' widget.
 */
#[FieldWidget(
  id: 'managed_file',
  label: new TranslatableMarkup('Uploading and saving file'),
  field_types: ['file', 'entity_reference'],
)]
class FileWidget implements DataFieldWidgetInterface {
  use StringTranslationTrait;

  /**
   * {@inheritdoc}
   */
  public function getFormElement(&$element, $item = NULL, $setting = []) {
    $fieldName = str_replace('field_', '', $element['#field_name']);
    if (empty($element["#field_settings"]["file_directory"])) {
      $element["#field_settings"]["file_directory"] = $fieldName;
    }
    if (empty($element["#field_settings"]["uri_scheme"])) {
      $element["#field_settings"]["uri_scheme"] = 'public';
    }
    $element['#upload_location'] = self::doGetUploadLocation($element["#field_settings"], $setting);
    $element['#process_default_value'] = FALSE;
    if (!empty($element["#default_value"])) {
      if (is_object($element["#default_value"])) {
        $element["#default_value"] = [$element["#default_value"]->id()];
      }
      if (is_numeric($element["#default_value"])) {
        $element["#default_value"] = [$element["#default_value"]];
      }
    }
    if (!empty($element["#field_settings"]["file_extensions"])) {
      $setting["file_extensions"] = str_replace(
        [',', '  '], ' ',
        $element["#field_settings"]["file_extensions"]
      );
      $element['#upload_validators'] = [
        'FileExtension' => ['extensions' => $setting["file_extensions"]],
      ];
    }
    if (!empty($element['#field_parents'])) {
      $element['#parents'] = array_merge($element['#field_parents'], [
        $element['#field_name'],
        $element['#delta'],
        $element["#field_storage"]["name"],
      ]);
    }
    else {
      $element['#parents'] = [
        $element['#field_name'],
        $element['#delta'],
        $element["#field_storage"]["name"],
      ];
    }
    $element['#progress_indicator'] = 'throbber';
  }

  /**
   * Determines the URI for a file field.
   *
   * @param array $settings
   *   The array of field settings.
   * @param array $data
   *   An array of token objects to pass to Token::replace().
   *
   * @return string
   *   An unsanitized file directory URI with tokens replaced. The result of
   *   the token replacement is then converted to plain text and returned.
   *
   * @see \Drupal\Core\Utility\Token::replace()
   */
  protected static function doGetUploadLocation(array $settings, $data = []) {
    $destination = trim($settings['file_directory'], '/');

    // Replace tokens. As the tokens might contain HTML we convert it to plain
    // text.
    $destination = PlainTextOutput::renderFromHtml(\Drupal::token()->replace($destination, $data));
    return $settings['uri_scheme'] . '://' . $destination;
  }

  /**
   * {@inheritdoc}
   */
  public function errorElement(array $element, ConstraintViolationInterface $violation, array $form, FormStateInterface $form_state): bool {
    return FALSE;
  }

  /**
   * {@inheritdoc}
   */
  public function massageFormValues($value, array $form, FormStateInterface $form_state) {
    $entityType = $form["#field_settings"]["entity_reference_type"] ?? 'file';
    if (in_array($entityType, ['file', 'image'], TRUE) &&
      is_array($value) &&
      isset($value[0])) {
      $fid = (int) $value[0];
      if ($fid > 0 && ($file = File::load($fid)) && !$file->get('status')->value) {
        $file->set('status', TRUE)->save();
      }

      return $fid;
    }
    return $value;
  }

}