function ViewsExposedFilterBlock::build

Return value

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

File

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

Class

ViewsExposedFilterBlock

Provides a 'Views Exposed Filter' block.

Namespace

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;
}