Audio.php in Media entity audio 8

Namespace

Drupal\media_entity_audio\Plugin\MediaEntity\Type

File

src/Plugin/MediaEntity/Type/Audio.php

<?php

namespace Drupal\media_entity_audio\Plugin\MediaEntity\Type;

use Drupal\media_entity\MediaInterface;
use Drupal\media_entity\MediaTypeBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Provides media type plugin for Audio.
 *
 * @MediaType(
 *   id = "audio",
 *   label = @Translation("Audio"),
 *   description = @Translation("Provides business logic and metadata for Audio Files.")
 * )
 */
class Audio extends MediaTypeBase {

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {

    /** @var \Drupal\media_entity\MediaBundleInterface $bundle */
    $bundle = $form_state
      ->getFormObject()
      ->getEntity();
    $options = [];
    $allowed_field_types = [
      'file',
    ];
    foreach ($this->entityFieldManager
      ->getFieldDefinitions('media', $bundle
      ->id()) as $field_name => $field) {
      if (in_array($field
        ->getType(), $allowed_field_types) && !$field
        ->getFieldStorageDefinition()
        ->isBaseField()) {
        $options[$field_name] = $field
          ->getLabel();
      }
    }
    $form['source_field'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Field with source information'),
      '#description' => $this
        ->t('Field on media entity that stores Audio file. You can create a bundle without selecting a value for this dropdown initially. This dropdown can be populated after adding fields to the bundle.'),
      '#default_value' => empty($this->configuration['source_field']) ? NULL : $this->configuration['source_field'],
      '#options' => $options,
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function providedFields() {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function getField(MediaInterface $media, $name) {
    return FALSE;
  }

  /**
   * {@inheritdoc}
   */
  public function getDefaultThumbnail() {
    return $this->config
      ->get('icon_base') . '/image.png';
  }

  /**
   * {@inheritdoc}
   */
  public function thumbnail(MediaInterface $media) {
    $source_field = $this->configuration['source_field'];

    /** @var \Drupal\file\FileInterface $file */
    if ($file = $media->{$source_field}->entity) {
      return $this->config
        ->get('icon_base') . '/image.png';
    }
    return $this
      ->getDefaultThumbnail();
  }

  /**
   * {@inheritdoc}
   */
  public function getDefaultName(MediaInterface $media) {

    // The default name will be the filename of the source_field, if present.
    $source_field = $this->configuration['source_field'];

    /** @var \Drupal\file\FileInterface $file */
    if (!empty($source_field) && ($file = $media->{$source_field}->entity)) {
      return $file
        ->getFilename();
    }
    return parent::getDefaultName($media);
  }

}

Classes

Name	Description
Audio	Provides media type plugin for Audio.