public function ViewsExposedFilterBlock::build in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/views/src/Plugin/Block/ViewsExposedFilterBlock.php \Drupal\views\Plugin\Block\ViewsExposedFilterBlock::build()

Return value

array A renderable array representing the content of the block with additional context of current view and display ID.

Overrides BlockPluginInterface::build

File

core/modules/views/src/Plugin/Block/ViewsExposedFilterBlock.php, line 34

Class

ViewsExposedFilterBlock

Provides a 'Views Exposed Filter' block.

Namespace

Drupal\views\Plugin\Block

Code

public function build() {
  $output = $this->view->display_handler
    ->viewExposedFormBlocks();

  // Provide the context for block build and block view alter hooks.
  // \Drupal\views\Plugin\Block\ViewsBlock::build() adds the same context in
  // \Drupal\views\ViewExecutable::buildRenderable() using
  // \Drupal\views\Plugin\views\display\DisplayPluginBase::buildRenderable().
  if (is_array($output) && !empty($output)) {
    $output += [
      '#view' => $this->view,
      '#display_id' => $this->displayID,
    ];
  }

  // Before returning the block output, convert it to a renderable array with
  // contextual links.
  $this
    ->addContextualLinks($output, 'exposed_filter');

  // Set the blocks title.
  if (!empty($this->configuration['label_display']) && ($this->view
    ->getTitle() || !empty($this->configuration['views_label']))) {
    $output['#title'] = [
      '#markup' => empty($this->configuration['views_label']) ? $this->view
        ->getTitle() : $this->configuration['views_label'],
      '#allowed_tags' => Xss::getHtmlTagList(),
    ];
  }
  return $output;
}