Club Drupal

<?php

/**

 * @file

 * bootstrap-links.func.php

 */

/**

 * Implements theme_bootstrap_links().

 */

function theme_bootstrap_links($variables) {

  $links = $variables['links'];

  $attributes = $variables['attributes'];

  $heading = $variables['heading'];

  global $language_url;

  $output = '';

  if (count($links) > 0) {

    $output = '';

    $output .= '<ul' . drupal_attributes($attributes) . '>';

    // Treat the heading first if it is present to prepend it to the

    // list of links.

    if (!empty($heading)) {

      if (is_string($heading)) {

        // Prepare the array that will be used when the passed heading

        // is a string.

        $heading = array(

          'text' => $heading,

          // Set the default level of the heading.

          'level' => 'li',

        );

      }

      $output .= '<' . $heading['level'];

      if (!empty($heading['class'])) {

        $output .= drupal_attributes(array('class' => $heading['class']));

      }

      $output .= '>' . check_plain($heading['text']) . '</' . $heading['level'] . '>';

    }

    $num_links = count($links);

    $i = 1;

    foreach ($links as $key => $link) {

      $children = array();

      if (isset($link['below'])) {

        $children = $link['below'];

      }

      $attributes = array('class' => array($key));

      // Add first, last and active classes to the list of links.

      if ($i == 1) {

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

      }

      if ($i == $num_links) {

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

      }

      if (isset($link['href']) && ($link['href'] == $_GET['q'] || ($link['href'] == '<front>' && drupal_is_front_page()))

        && (empty($link['language']) || $link['language']->language == $language_url->language)) {

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

      }

      if (count($children) > 0) {

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

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

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

      }

      if (!isset($link['attributes'])) {

        $link['attributes'] = array();

      }

      $link['attributes'] = array_merge($link['attributes'], $attributes);

      if (count($children) > 0) {

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

      }

      $output .= '<li' . drupal_attributes($attributes) . '>';

      if (isset($link['href'])) {

        if (count($children) > 0) {

          $link['html'] = TRUE;

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

          $output .= '<a' . drupal_attributes($link['attributes']) . ' href="#">' . $link['title'] . '</a>';

        }

        else {

          // Pass in $link as $options, they share the same keys.

          $output .= l($link['title'], $link['href'], $link);

        }

      }

      elseif (!empty($link['title'])) {

        // Some links are actually not links, but wrap these with <span> so

        // title and class attributes can be added.

        if (empty($link['html'])) {

          $link['title'] = check_plain($link['title']);

        }

        $span_attributes = '';

        if (isset($link['attributes'])) {

          $span_attributes = drupal_attributes($link['attributes']);

        }

        $output .= '<span' . $span_attributes . '>' . $link['title'] . '</span>';

      }

      $i++;

      if (count($children) > 0) {

        $attributes = array();

        $attributes['class'] = array('dropdown-menu');

        $output .= theme('bootstrap_links', array('links' => $children, 'attributes' => $attributes));

      }

      $output .= "</li>\n";

    }

    $output .= '</ul>';

  }

  return $output;

}