123 lines
4.5 KiB
PHP
123 lines
4.5 KiB
PHP
<?php
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/**
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* @package Joomla.Site
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* @subpackage mod_breadcrumbs
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*
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* @copyright (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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defined('_JEXEC') or die;
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use Joomla\CMS\HTML\HTMLHelper;
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use Joomla\CMS\Language\Text;
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use Joomla\CMS\Router\Route;
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use Joomla\CMS\Uri\Uri;
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use Joomla\CMS\WebAsset\WebAssetManager;
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?>
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<nav class="mod-breadcrumbs__wrapper" aria-label="<?php echo htmlspecialchars($module->title, ENT_QUOTES, 'UTF-8'); ?>">
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<ul class="mod-breadcrumbs breadcrumb p-3" data-element="breadcrumb">
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<?php if ($params->get('showHere', 1)) : ?>
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<li class="mod-breadcrumbs__here float-start">
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<?php echo Text::_('MOD_BREADCRUMBS_HERE'); ?> 
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</li>
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<?php else : ?>
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<li class="mod-breadcrumbs__divider float-start">
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<span class="divider icon-location icon-fw" aria-hidden="true"></span>
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</li>
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<?php endif; ?>
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<?php
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// Get rid of duplicated entries on trail including home page when using multilanguage
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for ($i = 0; $i < $count; $i++) {
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if ($i === 1 && !empty($list[$i]->link) && !empty($list[$i - 1]->link) && $list[$i]->link === $list[$i - 1]->link) {
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unset($list[$i]);
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}
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}
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// Find last and penultimate items in breadcrumbs list
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end($list);
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$last_item_key = key($list);
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prev($list);
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$penult_item_key = key($list);
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// Make a link if not the last item in the breadcrumbs
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$show_last = $params->get('showLast', 1);
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$class = null;
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// Generate the trail
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foreach ($list as $key => $item) :
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if ($key !== $last_item_key) :
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if (!empty($item->link)) :
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$breadcrumbItem = HTMLHelper::_('link', Route::_($item->link), '<span>' . $item->name . '</span>', ['class' => 'pathway']);
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else :
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$breadcrumbItem = '<span>' . $item->name . '</span>';
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endif;
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echo '<li class="mod-breadcrumbs__item breadcrumb-item' . $class . '">' . $breadcrumbItem . '</li>';
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elseif ($show_last) :
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// Render last item if required.
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$breadcrumbItem = '<span>' . $item->name . '</span>';
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$class = ' active';
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echo '<li class="mod-breadcrumbs__item breadcrumb-item' . $class . '">' . $breadcrumbItem . '</li>';
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endif;
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endforeach; ?>
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</ol>
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<?php
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// Structured data as JSON
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$data = [
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'@context' => 'https://schema.org',
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'@type' => 'BreadcrumbList',
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'itemListElement' => []
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];
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// Use an independent counter for positions. E.g. if Heading items in pathway.
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$itemsCounter = 0;
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// If showHome is disabled use the fallback $homeCrumb for startpage at first position.
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if (isset($homeCrumb)) {
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$data['itemListElement'][] = [
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'@type' => 'ListItem',
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'position' => ++$itemsCounter,
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'item' => [
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'@id' => Route::_($homeCrumb->link, true, Route::TLS_IGNORE, true),
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'name' => $homeCrumb->name,
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],
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];
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}
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foreach ($list as $key => $item) {
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// Only add item to JSON if it has a valid link, otherwise skip it.
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if (!empty($item->link)) {
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$data['itemListElement'][] = [
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'@type' => 'ListItem',
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'position' => ++$itemsCounter,
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'item' => [
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'@id' => Route::_($item->link, true, Route::TLS_IGNORE, true),
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'name' => $item->name,
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],
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];
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} elseif ($key === $last_item_key) {
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// Add the last item (current page) to JSON, but without a link.
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// Google accepts items without a URL only as the current page.
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$data['itemListElement'][] = [
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'@type' => 'ListItem',
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'position' => ++$itemsCounter,
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'item' => [
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'name' => $item->name,
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],
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];
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}
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}
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if ($itemsCounter) {
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/** @var WebAssetManager $wa */
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$wa = $app->getDocument()->getWebAssetManager();
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$wa->addInline('script', json_encode($data, JSON_UNESCAPED_UNICODE), [], ['type' => 'application/ld+json']);
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}
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?>
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</nav>
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