public static function HomeboxPageForm::addBlock in Homebox 8

Ajax callback to add block.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

\Symfony\Component\HttpFoundation\Request $request: Current request.

Return value

\Drupal\Core\Ajax\AjaxResponse Response to hide buttons.

Throws

\Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException

\Drupal\Component\Plugin\Exception\PluginNotFoundException

\Drupal\Core\Entity\EntityStorageException

File

src/Form/HomeboxPageForm.php, line 187

Class

HomeboxPageForm

Class HomeboxPageForm.

Namespace

Drupal\homebox\Form

Code

public static function addBlock(array $form, FormStateInterface $form_state, Request $request) {
  $user = \Drupal::currentUser();

  /* @var HomeboxInterface $homebox */
  $homebox = $request->attributes
    ->get('homebox');

  // Get user layout settings or default homebox settings if not exists.

  /** @var \Drupal\homebox\Entity\HomeboxLayoutInterface $homebox_layout */
  $homebox_layout = self::getLayoutStorageData($homebox
    ->id(), $user
    ->id());
  $blocks = $homebox
    ->getBlocks();
  if (isset($homebox_layout)) {
    $serializer = \Drupal::service('serializer');
    $layout_blocks = $homebox_layout
      ->get('settings')
      ->getValue();
    $layout_blocks = $serializer
      ->decode(array_shift($layout_blocks)['value'], 'json');
  }
  else {
    $layout_blocks = $blocks;
  }
  $element = $form_state
    ->getTriggeringElement();
  foreach ($blocks as $block) {
    if ($block['id'] == $element['#attributes']['block_id']) {
      break;
    }
    $block = NULL;
  }
  if (!empty($block)) {
    $block['status'] = TRUE;
    $layout_blocks[] = $block;

    /** @var \Drupal\Core\Block\BlockPluginInterface $block_instance */
    $block_instance = \Drupal::service('plugin.manager.block')
      ->createInstance($block['id']);
    $token = \Drupal::csrfToken()
      ->get((new Random())
      ->string(32));
    $render[$block['id']] = [
      '#type' => 'container',
      '#attributes' => [
        'class' => 'block_render',
        'id' => $token,
      ],
    ];
    $render[$block['id']]['render'] = $block_instance
      ->build();
    $render[$block['id']]['render']['#theme'] = 'homebox_block';
    $render[$block['id']]['render']['#block_id'] = $block_instance
      ->getPluginId();
    $render[$block['id']]['render']['#block_title'] = $block['title'] != '' ? $block['title'] : $block_instance
      ->label();
    $render[$block['id']]['render']['#block_content'] = $block_instance
      ->build();
    $form['regions'][$block['region']][] = $render;
  }
  $form_state
    ->setValue('blocks', $layout_blocks);
  self::saveUserLayoutData($form, $form_state, $request);
  return $form['regions'];
}