Club Drupal

<?php

/**

 * @file

 * Stub file for bootstrap_menu_link() and suggestion(s).

 */

/**

 * Returns HTML for a menu link and submenu.

 *

 * @param array $variables

 *   An associative array containing:

 *   - element: Structured array data for a menu link.

 *

 * @return string

 *   The constructed HTML.

 *

 * @see theme_menu_link()

 *

 * @ingroup theme_functions

 */

function bootstrap_menu_link(array $variables) {

  $element = $variables['element'];

  $sub_menu = '';

  $options = !empty($element['#localized_options']) ? $element['#localized_options'] : array();

  // Check plain title if "html" is not set, otherwise, filter for XSS attacks.

  $title = empty($options['html']) ? check_plain($element['#title']) : filter_xss_admin($element['#title']);

  // Ensure "html" is now enabled so l() doesn't double encode. This is now

  // safe to do since both check_plain() and filter_xss_admin() encode HTML

  // entities. See: https://www.drupal.org/node/2854978

  $options['html'] = TRUE;

  $href = $element['#href'];

  $attributes = !empty($element['#attributes']) ? $element['#attributes'] : array();

  if ($element['#below']) {

    // Prevent dropdown functions from being added to management menu so it

    // does not affect the navbar module.

    if (($element['#original_link']['menu_name'] == 'management') && (module_exists('navbar'))) {

      $sub_menu = drupal_render($element['#below']);

    }

    elseif ((!empty($element['#original_link']['depth'])) && ($element['#original_link']['depth'] == 1)) {

      // Add our own wrapper.

      unset($element['#below']['#theme_wrappers']);

      $sub_menu = '<ul class="dropdown-menu">' . drupal_render($element['#below']) . '</ul>';

      // Generate as standard dropdown.

      $title .= ' <span class="caret"></span>';

      $attributes['class'][] = 'dropdown';

      // Set dropdown trigger element to # to prevent inadvertant page loading

      // when a submenu link is clicked.

      $options['attributes']['data-target'] = '#';

      $options['attributes']['class'][] = 'dropdown-toggle';

      $options['attributes']['data-toggle'] = 'dropdown';

    }

  }

  return '<li' . drupal_attributes($attributes) . '>' . l($title, $href, $options) . $sub_menu . "</li>\n";

}

/**

 * Overrides theme_menu_link() for book module.

 */

function bootstrap_menu_link__book_toc(array $variables) {

  $element = $variables['element'];

  $sub_menu = drupal_render($element['#below']);

  $title = $element['#title'];

  $href = $element['#href'];

  $options = !empty($element['#localized_options']) ? $element['#localized_options'] : array();

  $attributes = !empty($element['#attributes']) ? $element['#attributes'] : array();

  $attributes['role'] = 'presentation';

  // Header.

  $link = TRUE;

  if ($title && $href === FALSE) {

    $attributes['class'][] = 'dropdown-header';

    $link = FALSE;

  }

  // Divider.

  elseif ($title === FALSE && $href === FALSE) {

    $attributes['class'][] = 'divider';

    $link = FALSE;

  }

  // Active.

  elseif (($href == $_GET['q'] || ($href == '<front>' && drupal_is_front_page())) && (empty($options['language']))) {

    $attributes['class'][] = 'active';

  }

  // Convert to a link.

  if ($link) {

    $title = l($title, $href, $options);

  }

  // Otherwise, filter the title if "html" is not set, otherwise l() will automatically

  // sanitize using check_plain(), so no need to call that here.

  elseif (empty($options['html'])) {

    $title = filter_xss_admin($title);

  }

  return '<li' . drupal_attributes($attributes) . '>' . $title . $sub_menu . "</li>\n";

}