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plugins/content/pagenavigation/src/Extension/PageNavigation.php
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247
plugins/content/pagenavigation/src/Extension/PageNavigation.php
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<?php
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/**
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* @package Joomla.Plugin
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* @subpackage Content.pagenavigation
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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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namespace Joomla\Plugin\Content\PageNavigation\Extension;
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use Joomla\CMS\Access\Access;
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use Joomla\CMS\Factory;
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use Joomla\CMS\Plugin\CMSPlugin;
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use Joomla\CMS\Plugin\PluginHelper;
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use Joomla\Component\Content\Site\Helper\RouteHelper;
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use Joomla\Database\DatabaseAwareTrait;
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use Joomla\Database\ParameterType;
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// phpcs:disable PSR1.Files.SideEffects
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\defined('_JEXEC') or die;
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// phpcs:enable PSR1.Files.SideEffects
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/**
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* Pagenavigation plugin class.
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*
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* @since 1.5
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*/
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final class PageNavigation extends CMSPlugin
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{
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use DatabaseAwareTrait;
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/**
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* If in the article view and the parameter is enabled shows the page navigation
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*
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* @param string $context The context of the content being passed to the plugin
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* @param object &$row The article object
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* @param mixed &$params The article params
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* @param integer $page The 'page' number
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*
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* @return void
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*
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* @since 1.6
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*/
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public function onContentBeforeDisplay($context, &$row, &$params, $page = 0)
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{
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$app = $this->getApplication();
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$view = $app->getInput()->get('view');
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$print = $app->getInput()->getBool('print');
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if ($print) {
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return;
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}
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if ($context === 'com_content.article' && $view === 'article' && $params->get('show_item_navigation')) {
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$db = $this->getDatabase();
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$user = $app->getIdentity();
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$lang = $app->getLanguage();
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$now = Factory::getDate()->toSql();
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$query = $db->getQuery(true);
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$uid = $row->id;
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$option = 'com_content';
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$canPublish = $user->authorise('core.edit.state', $option . '.article.' . $row->id);
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/**
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* The following is needed as different menu items types utilise a different param to control ordering.
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* For Blogs the `orderby_sec` param is the order controlling param.
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* For Table and List views it is the `orderby` param.
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*/
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$params_list = $params->toArray();
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if (\array_key_exists('orderby_sec', $params_list)) {
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$order_method = $params->get('orderby_sec', '');
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} else {
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$order_method = $params->get('orderby', '');
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}
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// Additional check for invalid sort ordering.
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if ($order_method === 'front') {
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$order_method = '';
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}
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if (\in_array($order_method, ['date', 'rdate'])) {
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// Get the order code
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$orderDate = $params->get('order_date');
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switch ($orderDate) {
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// Use created if modified is not set
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case 'modified':
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$orderby = 'CASE WHEN ' . $db->quoteName('a.modified') . ' IS NULL THEN ' .
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$db->quoteName('a.created') . ' ELSE ' . $db->quoteName('a.modified') . ' END';
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break;
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// Use created if publish_up is not set
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case 'published':
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$orderby = 'CASE WHEN ' . $db->quoteName('a.publish_up') . ' IS NULL THEN ' .
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$db->quoteName('a.created') . ' ELSE ' . $db->quoteName('a.publish_up') . ' END';
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break;
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// Use created as default
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default:
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$orderby = $db->quoteName('a.created');
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break;
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}
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if ($order_method === 'rdate') {
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$orderby .= ' DESC';
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}
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} else {
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// Determine sort order.
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switch ($order_method) {
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case 'alpha':
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$orderby = $db->quoteName('a.title');
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break;
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case 'ralpha':
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$orderby = $db->quoteName('a.title') . ' DESC';
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break;
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case 'hits':
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$orderby = $db->quoteName('a.hits');
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break;
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case 'rhits':
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$orderby = $db->quoteName('a.hits') . ' DESC';
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break;
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case 'author':
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$orderby = $db->quoteName(['a.created_by_alias', 'u.name']);
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break;
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case 'rauthor':
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$orderby = $db->quoteName('a.created_by_alias') . ' DESC, ' .
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$db->quoteName('u.name') . ' DESC';
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break;
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case 'front':
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$orderby = $db->quoteName('f.ordering');
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break;
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default:
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$orderby = $db->quoteName('a.ordering');
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break;
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}
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}
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$query->order($orderby);
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$case_when = ' CASE WHEN ' . $query->charLength($db->quoteName('a.alias'), '!=', '0')
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. ' THEN ' . $query->concatenate([$query->castAsChar($db->quoteName('a.id')), $db->quoteName('a.alias')], ':')
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. ' ELSE ' . $query->castAsChar('a.id') . ' END AS ' . $db->quoteName('slug');
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$case_when1 = ' CASE WHEN ' . $query->charLength($db->quoteName('cc.alias'), '!=', '0')
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. ' THEN ' . $query->concatenate([$query->castAsChar($db->quoteName('cc.id')), $db->quoteName('cc.alias')], ':')
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. ' ELSE ' . $query->castAsChar('cc.id') . ' END AS ' . $db->quoteName('catslug');
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$query->select($db->quoteName(['a.id', 'a.title', 'a.catid', 'a.language']))
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->select([$case_when, $case_when1])
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->from($db->quoteName('#__content', 'a'))
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->join('LEFT', $db->quoteName('#__categories', 'cc'), $db->quoteName('cc.id') . ' = ' . $db->quoteName('a.catid'));
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if ($order_method === 'author' || $order_method === 'rauthor') {
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$query->select($db->quoteName(['a.created_by', 'u.name']));
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$query->join('LEFT', $db->quoteName('#__users', 'u'), $db->quoteName('u.id') . ' = ' . $db->quoteName('a.created_by'));
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}
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$query->where(
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[
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$db->quoteName('a.catid') . ' = :catid',
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$db->quoteName('a.state') . ' = :state',
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]
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)
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->bind(':catid', $row->catid, ParameterType::INTEGER)
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->bind(':state', $row->state, ParameterType::INTEGER);
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if (!$canPublish) {
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$query->whereIn($db->quoteName('a.access'), Access::getAuthorisedViewLevels($user->id));
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}
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$query->where(
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[
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'(' . $db->quoteName('publish_up') . ' IS NULL OR ' . $db->quoteName('publish_up') . ' <= :nowDate1)',
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'(' . $db->quoteName('publish_down') . ' IS NULL OR ' . $db->quoteName('publish_down') . ' >= :nowDate2)',
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]
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)
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->bind(':nowDate1', $now)
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->bind(':nowDate2', $now);
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if ($app->isClient('site') && $app->getLanguageFilter()) {
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$query->whereIn($db->quoteName('a.language'), [$lang->getTag(), '*'], ParameterType::STRING);
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}
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$db->setQuery($query);
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$list = $db->loadObjectList('id');
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// This check needed if incorrect Itemid is given resulting in an incorrect result.
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if (!\is_array($list)) {
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$list = [];
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}
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reset($list);
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// Location of current content item in array list.
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$location = array_search($uid, array_keys($list));
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$rows = array_values($list);
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$row->prev = null;
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$row->next = null;
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if ($location - 1 >= 0) {
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// The previous content item cannot be in the array position -1.
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$row->prev = $rows[$location - 1];
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}
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if (($location + 1) < \count($rows)) {
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// The next content item cannot be in an array position greater than the number of array positions.
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$row->next = $rows[$location + 1];
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}
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if ($row->prev) {
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$row->prev_label = ($this->params->get('display', 0) == 0) ? $lang->_('JPREV') : $row->prev->title;
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$row->prev = RouteHelper::getArticleRoute($row->prev->slug, $row->prev->catid, $row->prev->language);
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} else {
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$row->prev_label = '';
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$row->prev = '';
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}
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if ($row->next) {
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$row->next_label = ($this->params->get('display', 0) == 0) ? $lang->_('JNEXT') : $row->next->title;
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$row->next = RouteHelper::getArticleRoute($row->next->slug, $row->next->catid, $row->next->language);
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} else {
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$row->next_label = '';
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$row->next = '';
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}
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// Output.
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if ($row->prev || $row->next) {
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// Get the path for the layout file
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$path = PluginHelper::getLayoutPath('content', 'pagenavigation');
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// Render the pagenav
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ob_start();
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include $path;
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$row->pagination = ob_get_clean();
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$row->paginationposition = $this->params->get('position', 1);
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// This will default to the 1.5 and 1.6-1.7 behavior.
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$row->paginationrelative = $this->params->get('relative', 0);
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}
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}
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}
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}
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