[Summary view] [Print] [Text view]

   1  <?php
   2  
   3  /**
   4   * @package     Joomla.Site
   5   * @subpackage  mod_breadcrumbs
   6   *
   7   * @copyright   (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
   8   * @license     GNU General Public License version 2 or later; see LICENSE.txt
   9   */
  10  
  11  defined('_JEXEC') or die;
  12  
  13  use Joomla\CMS\HTML\HTMLHelper;
  14  use Joomla\CMS\Language\Text;
  15  use Joomla\CMS\Router\Route;
  16  use Joomla\CMS\Uri\Uri;
  17  use Joomla\CMS\WebAsset\WebAssetManager;
  18  
  19  ?>
  20  <nav class="mod-breadcrumbs__wrapper" aria-label="<?php echo htmlspecialchars($module->title, ENT_QUOTES, 'UTF-8'); ?>">
  21      <ol class="mod-breadcrumbs breadcrumb px-3 py-2">
  22          <?php if ($params->get('showHere', 1)) : ?>
  23              <li class="mod-breadcrumbs__here float-start">
  24                  <?php echo Text::_('MOD_BREADCRUMBS_HERE'); ?>&#160;
  25              </li>
  26          <?php else : ?>
  27              <li class="mod-breadcrumbs__divider float-start">
  28                  <span class="divider icon-location icon-fw" aria-hidden="true"></span>
  29              </li>
  30          <?php endif; ?>
  31  
  32          <?php
  33          // Get rid of duplicated entries on trail including home page when using multilanguage
  34          for ($i = 0; $i < $count; $i++) {
  35              if ($i === 1 && !empty($list[$i]->link) && !empty($list[$i - 1]->link) && $list[$i]->link === $list[$i - 1]->link) {
  36                  unset($list[$i]);
  37              }
  38          }
  39  
  40          // Find last and penultimate items in breadcrumbs list
  41          end($list);
  42          $last_item_key = key($list);
  43          prev($list);
  44          $penult_item_key = key($list);
  45  
  46          // Make a link if not the last item in the breadcrumbs
  47          $show_last = $params->get('showLast', 1);
  48  
  49          $class   = null;
  50  
  51          // Generate the trail
  52          foreach ($list as $key => $item) :
  53              if ($key !== $last_item_key) :
  54                  if (!empty($item->link)) :
  55                      $breadcrumbItem = HTMLHelper::_('link', Route::_($item->link), '<span>' . $item->name . '</span>', ['class' => 'pathway']);
  56                  else :
  57                      $breadcrumbItem = '<span>' . $item->name . '</span>';
  58                  endif;
  59                  echo '<li class="mod-breadcrumbs__item breadcrumb-item' . $class . '">' . $breadcrumbItem . '</li>';
  60              elseif ($show_last) :
  61                  // Render last item if required.
  62                  $breadcrumbItem = '<span>' . $item->name . '</span>';
  63                  $class          = ' active';
  64                  echo '<li class="mod-breadcrumbs__item breadcrumb-item' . $class . '">' . $breadcrumbItem . '</li>';
  65              endif;
  66          endforeach; ?>
  67      </ol>
  68      <?php
  69  
  70      // Structured data as JSON
  71      $data = [
  72              '@context'        => 'https://schema.org',
  73              '@type'           => 'BreadcrumbList',
  74              'itemListElement' => []
  75      ];
  76  
  77      // Use an independent counter for positions. E.g. if Heading items in pathway.
  78      $itemsCounter = 0;
  79  
  80      // If showHome is disabled use the fallback $homeCrumb for startpage at first position.
  81      if (isset($homeCrumb)) {
  82          $data['itemListElement'][] = [
  83                  '@type'    => 'ListItem',
  84                  'position' => ++$itemsCounter,
  85                  'item'     => [
  86                          '@id'  => Route::_($homeCrumb->link, true, Route::TLS_IGNORE, true),
  87                          'name' => $homeCrumb->name,
  88                  ],
  89          ];
  90      }
  91  
  92      foreach ($list as $key => $item) {
  93          // Only add item to JSON if it has a valid link, otherwise skip it.
  94          if (!empty($item->link)) {
  95              $data['itemListElement'][] = [
  96                      '@type'    => 'ListItem',
  97                      'position' => ++$itemsCounter,
  98                      'item'     => [
  99                              '@id'  => Route::_($item->link, true, Route::TLS_IGNORE, true),
 100                              'name' => $item->name,
 101                      ],
 102              ];
 103          } elseif ($key === $last_item_key) {
 104              // Add the last item (current page) to JSON, but without a link.
 105              // Google accepts items without a URL only as the current page.
 106              $data['itemListElement'][] = [
 107                      '@type'    => 'ListItem',
 108                      'position' => ++$itemsCounter,
 109                      'item'     => [
 110                              'name' => $item->name,
 111                      ],
 112              ];
 113          }
 114      }
 115  
 116      if ($itemsCounter) {
 117          /** @var WebAssetManager $wa */
 118          $wa = $app->getDocument()->getWebAssetManager();
 119          $wa->addInline('script', json_encode($data, JSON_UNESCAPED_UNICODE), [], ['type' => 'application/ld+json']);
 120      }
 121      ?>
 122  </nav>