public function ChooseBlockController::build in Layout Builder Restrictions 8.2

Provides the UI for choosing a new block.

Parameters

\Drupal\layout_builder\SectionStorageInterface $section_storage: The section storage.

int $delta: The delta of the section to splice.

string $region: The region the block is going in.

Return value

array A render array.

Overrides ChooseBlockController::build

File

src/Controller/ChooseBlockController.php, line 19

Class

ChooseBlockController

Defines a controller to choose a new block.

Namespace

Drupal\layout_builder_restrictions\Controller

Code

public function build(SectionStorageInterface $section_storage, $delta, $region) {
  $build = parent::build($section_storage, $delta, $region);

  // Retrieve defined Layout Builder Restrictions plugins.
  $layout_builder_restrictions_manager = \Drupal::service('plugin.manager.layout_builder_restriction');
  $restriction_plugins = $layout_builder_restrictions_manager
    ->getSortedPlugins();
  foreach (array_keys($restriction_plugins) as $id) {
    $plugin = $layout_builder_restrictions_manager
      ->createInstance($id);
    $allowed_inline_blocks = $plugin
      ->inlineBlocksAllowedinContext($section_storage, $delta, $region);

    // If no inline blocks are allowed, remove the "Create custom block" link.
    if (empty($allowed_inline_blocks)) {
      unset($build['add_block']);
    }
  }
  return $build;
}