public function render()
{
// Try get active page
$http_query = $_GET;
if (isset($_GET['page'])) {
$this->_num_active = (int) $_GET['page'];
unset($http_query['page']);
if (empty($http_query)) {
$link = $this->_link . '/?page=';
} else {
$link = $this->_link . '/?' . http_build_query($http_query) . '&page=';
}
} else {
if (class_exists('O2System', FALSE)) {
$segments = \O2System::URI()->segments;
if ($key = array_search('page', $segments)) {
if (isset($segments[$key + 1])) {
$this->_num_active = $segments[$key + 1];
}
$link = str_replace(\O2System::$config['URI']['suffix'], '/page/', $this->_link);
} else {
$link = $this->_link . '/?' . http_build_query($http_query) . '&page=';
}
} else {
$link = $this->_link . '/?' . http_build_query($http_query) . '&page=';
}
}
$link = str_replace('?&', '?', $link);
$this->_num_active = $this->_num_active == 0 ? 1 : $this->_num_active;
$num_previous = $this->_num_active - 1;
$num_previous = $num_previous == 0 ? 1 : $num_previous;
if ($num_previous > 1) {
$this->add_item(new Link(new Tag('span', '«', ['aria-hidden' => TRUE]), $link . $num_previous));
} else {
$this->add_item(new Link(new Tag('span', '«', ['aria-hidden' => TRUE]), '#'), Lists::ITEM_DISABLED);
}
$total_pages = $this->_num_active + $this->_num_display;
$total_pages = $total_pages > $this->_num_pages ? $this->_num_pages : $total_pages;
$pages = range($this->_num_active, $total_pages);
if (count($pages) > $this->_num_display) {
if (end($pages) < $this->_num_pages or end($pages) == $this->_num_pages) {
array_pop($pages);
}
} elseif (count($pages) < $this->_num_display) {
$start_page = $this->_num_active - ($this->_num_display - count($pages));
$pages = range($start_page, $total_pages);
}
foreach ($pages as $page) {
if ($page <= $this->_num_pages and $page > 0) {
if ($page == $this->_num_active) {
$this->add_item(new Link($page, $link . $page), Lists::ITEM_ACTIVE);
} else {
$this->add_item(new Link($page, $link . $page));
}
}
}
$num_next = $this->_num_active + 1;
if ($num_next < $this->_num_pages) {
$this->add_item(new Link(new Tag('span', '»', ['aria-hidden' => TRUE]), $link . $num_next));
} else {
$this->add_item(new Link(new Tag('span', '»', ['aria-hidden' => TRUE]), '#'), Lists::ITEM_DISABLED);
}
if (!empty($this->_items)) {
return (new Tag('nav', parent::render()))->render();
}
return '';
}
