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BootstrapModal.php in Express 8

File

themes/contrib/bootstrap/src/Plugin/Preprocess/BootstrapModal.php
View source
<?php

/**
 * @file
 * Contains \Drupal\bootstrap\Plugin\Preprocess\BootstrapModal.
 */
namespace Drupal\bootstrap\Plugin\Preprocess;

use Drupal\bootstrap\Annotation\BootstrapPreprocess;
use Drupal\bootstrap\Utility\Variables;
use Drupal\Component\Utility\Html;

/**
 * Pre-processes variables for the "bootstrap_modal" theme hook.
 *
 * @ingroup plugins_preprocess
 *
 * @BootstrapPreprocess("bootstrap_modal")
 */
class BootstrapModal extends PreprocessBase implements PreprocessInterface {

  /**
   * {@inheritdoc}
   */
  protected function preprocessVariables(Variables $variables) {

    // Immediately log an error and return if Bootstrap modals are not enabled.
    if (!$this->theme
      ->getSetting('modal_enabled')) {
      \Drupal::logger('bootstrap')
        ->error(t('Bootstrap modals are not enabled.'));
      return;
    }

    // Retrieve the ID, generating one if needed.
    $id = $variables
      ->getAttribute('id', Html::getUniqueId($variables
      ->offsetGet('id', 'bootstrap-modal')));
    $variables
      ->setAttribute('id', $id);
    unset($variables['id']);
    if ($variables->title) {
      $title_id = $variables
        ->getAttribute('id', "{$id}--title", $variables::TITLE);
      $variables
        ->setAttribute('id', $title_id, $variables::TITLE);
      $variables
        ->setAttribute('aria-labelledby', $title_id);
    }

    // Use a provided modal size or retrieve the default theme setting.
    $variables->size = $variables->size ?: $this->theme
      ->getSetting('modal_size');

    // Convert the description variable.
    $this
      ->preprocessDescription();

    // Ensure all attributes are proper objects.
    $this
      ->preprocessAttributes();
  }

}

Classes

Namesort descending Description
BootstrapModal Pre-processes variables for the "bootstrap_modal" theme hook.