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<?php
/**
* @package OpenCart
* @author Daniel Kerr
* @copyright Copyright (c) 2005 - 2017, OpenCart, Ltd. (https://www.opencart.com/)
* @license https://opensource.org/licenses/GPL-3.0
* @link https://www.opencart.com
*/
/**
* Pagination class
*/
class Pagination {
public $total = 0;
public $page = 1;
public $limit = 20;
public $num_links = 8;
public $url = '';
public $text_first = '|<';
public $text_last = '>|';
public $text_next = '>';
public $text_prev = '<';
/**
*
*
* @return text
*/
public function render() {
$total = $this->total;
if ($this->page < 1) {
$page = 1;
} else {
$page = $this->page;
}
if (!(int)$this->limit) {
$limit = 10;
} else {
$limit = $this->limit;
}
$num_links = $this->num_links;
$num_pages = ceil($total / $limit);
$this->url = str_replace('%7Bpage%7D', '{page}', $this->url);
$output = '<ul class="pagination">';
if ($page > 1) {
$output .= '<li><a href="' . str_replace(array('&page={page}', '?page={page}', '&page={page}'), '', $this->url) . '">' . $this->text_first . '</a></li>';
if ($page - 1 === 1) {
$output .= '<li><a href="' . str_replace(array('&page={page}', '?page={page}', '&page={page}'), '', $this->url) . '">' . $this->text_prev . '</a></li>';
} else {
$output .= '<li><a href="' . str_replace('{page}', $page - 1, $this->url) . '">' . $this->text_prev . '</a></li>';
}
}
if ($num_pages > 1) {
if ($num_pages <= $num_links) {
$start = 1;
$end = $num_pages;
} else {
$start = $page - floor($num_links / 2);
$end = $page + floor($num_links / 2);
if ($start < 1) {
$end += abs($start) + 1;
$start = 1;
}
if ($end > $num_pages) {
$start -= ($end - $num_pages);
$end = $num_pages;
}
}
for ($i = $start; $i <= $end; $i++) {
if ($page == $i) {
$output .= '<li class="active"><span>' . $i . '</span></li>';
} else {
if ($i === 1) {
$output .= '<li><a href="' . str_replace(array('&page={page}', '?page={page}', '&page={page}'), '', $this->url) . '">' . $i . '</a></li>';
} else {
$output .= '<li><a href="' . str_replace('{page}', $i, $this->url) . '">' . $i . '</a></li>';
}
}
}
}
if ($page < $num_pages) {
$output .= '<li><a href="' . str_replace('{page}', $page + 1, $this->url) . '">' . $this->text_next . '</a></li>';
$output .= '<li><a href="' . str_replace('{page}', $num_pages, $this->url) . '">' . $this->text_last . '</a></li>';
}
$output .= '</ul>';
if ($num_pages > 1) {
return $output;
} else {
return '';
}
}
}
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