BrightcoveVideoForm.php in Brightcove Video Connect 8

Namespace

Drupal\brightcove\Form

File

src/Form/BrightcoveVideoForm.php

<?php

namespace Drupal\brightcove\Form;

use Brightcove\API\Exception\APIException;
use Drupal\brightcove\Entity\BrightcoveCustomField;
use Drupal\brightcove\Entity\BrightcoveVideo;
use Drupal\Core\Ajax\ReplaceCommand;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Element;

/**
 * Form controller for Brightcove Video edit forms.
 *
 * @ingroup brightcove
 */
class BrightcoveVideoForm extends BrightcoveVideoPlaylistForm {

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form = parent::buildForm($form, $form_state);
    $form['#attached']['library'][] = 'brightcove/brightcove.video';

    /* @var $entity \Drupal\brightcove\Entity\BrightcoveVideo */
    $entity = $this->entity;

    // Get api client from the form settings.
    if (!empty($form_state
      ->getValue('api_client'))) {
      $api_client = $form_state
        ->getValue('api_client')[0]['target_id'];
    }
    else {
      $api_client = $form['api_client']['widget']['#default_value'];
    }

    // Remove _none value to make sure the first item is selected.
    if (isset($form['profile']['widget']['#options']['_none'])) {
      unset($form['profile']['widget']['#options']['_none']);
    }

    // Get the correct profiles' list for the selected api client.
    if ($entity
      ->isNew()) {

      // Class this class's update form method instead of the supper class's.
      $form['api_client']['widget']['#ajax']['callback'] = [
        self::class,
        'apiClientUpdateForm',
      ];

      // Add ajax wrapper for profile.
      $form['profile']['widget']['#ajax_id'] = 'ajax-profile-wrapper';
      $form['profile']['widget']['#prefix'] = '<div id="' . $form['profile']['widget']['#ajax_id'] . '">';
      $form['profile']['widget']['#suffix'] = '</div>';

      // Update allowed values for profile.
      $form['profile']['widget']['#options'] = BrightcoveVideo::getProfileAllowedValues($api_client);
    }

    // Set default profile.
    if (!$form['profile']['widget']['#default_value']) {
      $profile_keys = array_keys($form['profile']['widget']['#options']);
      $form['profile']['widget']['#default_value'] = reset($profile_keys);
    }

    // Add pseudo title for status field.
    $form['status']['pseudo_title'] = [
      '#markup' => $this
        ->t('Status'),
      '#prefix' => '<div id="status-pseudo-title">',
      '#suffix' => '</div>',
      '#weight' => -100,
    ];
    $upload_type = [
      '#type' => 'select',
      '#title' => $this
        ->t('Upload type'),
      '#options' => [
        'file' => $this
          ->t('File'),
        'url' => $this
          ->t('URL'),
      ],
      '#default_value' => !empty($form['video_url']['widget'][0]['value']['#default_value']) ? 'url' : 'file',
      '#weight' => -100,
    ];
    $form['video_file']['#states'] = [
      'visible' => [
        'select[name="upload_type"]' => [
          'value' => 'file',
        ],
      ],
    ];
    $form['video_url']['#states'] = [
      'visible' => [
        'select[name="upload_type"]' => [
          'value' => 'url',
        ],
      ],
    ];

    // Group video fields together.
    $form['video'] = [
      '#type' => 'fieldset',
      '#title' => $this
        ->t('Video'),
      '#weight' => $form['economics']['#weight'] += 0.001,
      'upload_type' => &$upload_type,
      'video_file' => $form['video_file'],
      'video_url' => $form['video_url'],
      'profile' => $form['profile'],
    ];
    unset($form['video_file']);
    unset($form['video_url']);
    unset($form['profile']);

    // Group image fields together.
    $form['images'] = [
      '#type' => 'fieldset',
      '#title' => $this
        ->t('Images'),
      '#weight' => $form['video']['#weight'] += 0.001,
      '#description' => $this
        ->t('For best results, use JPG or PNG format with a minimum width of 640px for video stills and 160px for thumbnails. Aspect ratios should match the video, generally 16:9 or 4:3. <a href=":link" target="_blank">Read More</a>', [
        ':link' => 'https://support.brightcove.com/en/video-cloud/docs/uploading-video-still-and-thumbnail-images',
      ]),
      'poster' => $form['poster'],
      'thumbnail' => $form['thumbnail'],
    ];
    unset($form['poster']);
    unset($form['thumbnail']);

    // Group scheduling fields together.
    $form['availability'] = [
      '#type' => 'fieldset',
      '#title' => $this
        ->t('Availability'),
      '#weight' => $form['images']['#weight'] += 0.001,
      'schedule_starts_at' => $form['schedule_starts_at'],
      'schedule_ends_at' => $form['schedule_ends_at'],
    ];
    unset($form['schedule_starts_at']);
    unset($form['schedule_ends_at']);

    /** @var \Drupal\brightcove\Entity\BrightcoveCustomField[] $custom_fields */
    $custom_fields = BrightcoveCustomField::loadMultipleByApiClient($api_client);

    // Add ajax wrapper for custom fields.
    if ($entity
      ->isNew()) {
      $form['custom_fields']['#ajax_id'] = 'ajax-custom-fields-wrapper';
      $form['custom_fields']['#prefix'] = '<div id="' . $form['custom_fields']['#ajax_id'] . '">';
      $form['custom_fields']['#suffix'] = '</div>';
    }

    // Show custom fields.
    if (count($custom_fields) > 0) {
      $form['custom_fields']['#type'] = 'details';
      $form['custom_fields']['#title'] = $this
        ->t('Custom fields');
      $form['custom_fields']['#weight'] = $form['availability']['#weight'] += 0.001;
      $has_required = FALSE;
      $custom_field_values = $entity
        ->getCustomFieldValues();
      foreach ($custom_fields as $custom_field) {

        // Indicate whether that the custom fields has required field(s) or
        // not.
        if (!$has_required && $custom_field
          ->isRequired()) {
          $has_required = TRUE;
        }
        switch ($custom_field_type = $custom_field
          ->getType()) {
          case $custom_field::TYPE_STRING:
            $type = 'textfield';
            break;
          case $custom_field::TYPE_ENUM:
            $type = 'select';
            break;
          default:
            continue 2;
        }

        // Assemble form field for the custom field.
        $custom_field_id = $custom_field
          ->getCustomFieldId();
        $custom_field_name = "custom_field_{$custom_field_id}";
        $form['custom_fields'][$custom_field_name] = [
          '#type' => $type,
          '#title' => $custom_field
            ->getName(),
          '#description' => $custom_field
            ->getDescription(),
          '#required' => $custom_field
            ->isRequired(),
        ];

        // Set custom field value if it is set.
        if (isset($custom_field_values[$custom_field_id])) {
          $form['custom_fields'][$custom_field_name]['#default_value'] = $custom_field_values[$custom_field_id];
        }

        // Add options for enum types.
        if ($custom_field_type == $custom_field::TYPE_ENUM) {
          $options = [];

          // Add none option if the field is not required.
          if (!$form['custom_fields'][$custom_field_name]['#required']) {
            $options[''] = $this
              ->t('- None -');
          }
          foreach ($custom_field
            ->getEnumValues() as $enum) {
            $options[$enum['value']] = $enum['value'];
          }
          $form['custom_fields'][$custom_field_name]['#options'] = $options;
        }
      }

      // Show custom field group opened if it has at least one required field.
      if ($has_required) {
        $form['custom_fields']['#open'] = TRUE;
      }
    }
    $form['text_tracks']['widget']['actions']['ief_add']['#value'] = $this
      ->t('Add Text Track');
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    parent::validateForm($form, $form_state);

    /* @var $entity \Drupal\brightcove\Entity\BrightcoveVideo */
    $entity = $this->entity;
    switch ($form_state
      ->getValue('upload_type')) {
      case 'file':
        if ($entity
          ->isNew() || !empty($form_state
          ->getValue('video_file')[0]['fids'])) {
          $form_state
            ->unsetValue('video_url');
          $entity
            ->setVideoUrl(NULL);
        }
        break;
      case 'url':
        if ($entity
          ->isNew()) {
          $form_state
            ->unsetValue('video_file');
        }
        elseif (!empty($form_state
          ->getValue('video_url')[0]['value'])) {
          $form_state
            ->unsetValue('video_file');
          $entity
            ->setVideoFile(NULL);
        }
        break;
    }
  }

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

    /* @var $entity \Drupal\brightcove\Entity\BrightcoveVideo */
    $entity = $this->entity;
    try {

      // Save custom field values.
      $custom_field_values = [];
      if (!empty($form['custom_fields'])) {
        foreach (Element::children($form['custom_fields']) as $field_name) {
          if (preg_match('/^custom_field_(.+)$/i', $field_name, $matches) === 1) {
            $custom_field_values[$matches[1]] = $form_state
              ->getValue($field_name);
          }
        }
        $entity
          ->setCustomFieldValues($custom_field_values);
      }
      $status = $entity
        ->save(TRUE);
      switch ($status) {
        case SAVED_NEW:
          drupal_set_message($this
            ->t('Created the %label Brightcove Video.', [
            '%label' => $entity
              ->label(),
          ]));
          break;
        default:
          drupal_set_message($this
            ->t('Saved the %label Brightcove Video.', [
            '%label' => $entity
              ->label(),
          ]));
      }
      $form_state
        ->setRedirect('entity.brightcove_video.canonical', [
        'brightcove_video' => $entity
          ->id(),
      ]);
    } catch (APIException $e) {
      drupal_set_message($e
        ->getMessage(), 'error');
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function apiClientUpdateForm(array $form, FormStateInterface $form_state) {
    $response = parent::apiClientUpdateForm($form, $form_state);

    // Update profile field.
    $response
      ->addCommand(new ReplaceCommand('#' . $form['profile']['widget']['#ajax_id'], $form['profile']));

    // Update custom fields.
    $response
      ->addCommand(new ReplaceCommand('#' . $form['custom_fields']['#ajax_id'], $form['custom_fields']));
    return $response;
  }

}

Classes

Name	Description
BrightcoveVideoForm	Form controller for Brightcove Video edit forms.