mako\Pagination

public function __construct()
{
	$config = Config::get('pagination');
	
	$this->key          = $config['page_key'];
	$this->currentPage  = max((int) (isset($_GET[$this->key]) ? $_GET[$this->key] : 1), 1);
	$this->itemsPerPage = $config['items_per_page'];
	$this->maxPageLinks = $config['max_page_links'];
}

public function offset($itemCount, $itemsPerPage = null)
{
	$itemsPerPage = ($itemsPerPage === null) ? max($this->itemsPerPage, 1) : max($itemsPerPage, 1);
	$this->pages  = ceil(($itemCount / $itemsPerPage));
	$this->offset = ($this->currentPage - 1) * $itemsPerPage;

	return $this->offset;
}

public function links($url = '', array $params = array(), $separator = '&')
{
	$links = array();
			
	// Number of pages
	
	$links['num_pages'] = I18n::translate('%d Pages', array($this->pages));
	
	// First and previous page
	
	if($this->currentPage > 1)
	{
		$links['first_page'] = array
		(
			'name' => I18n::translate('First Page'), 
			'url'  => URL::to($url, array_merge($params, array($this->key => 1)), $separator),
		);
		
		$links['previous_page'] = array
		(
			'name' => '«',
			'url'  => URL::to($url, array_merge($params, array($this->key => ($this->currentPage - 1))), $separator),
		);
	}
	
	// Last and next page
	
	if($this->currentPage < $this->pages)
	{
		$links['last_page'] = array
		(
			'name' => I18n::translate('Last Page'),
			'url'  => URL::to($url, array_merge($params, array($this->key => $this->pages)), $separator),
		);
		
		$links['next_page'] = array
		(
			'name' => '&raquo;',
			'url'  => URL::to($url, array_merge($params, array($this->key => ($this->currentPage + 1))), $separator),
		);
	}
	
	// Page links
	
	if($this->pages > $this->maxPageLinks)
	{
		$start = max(($this->currentPage) - ceil($this->maxPageLinks / 2), 0);

		$end = $start + $this->maxPageLinks;

		if($end > $this->pages)
		{
			$end = $this->pages;
		}

		if($start > ($end - $this->maxPageLinks))
		{
			$start = $end - $this->maxPageLinks;
		}
	}
	else
	{
		$start = 0;

		$end = $this->pages;
	}
	
	for($i = $start + 1; $i <= $end; $i++)
	{
		$links['pages'][] = array
		(
			'name'    => $i,
			'url'     => URL::to($url, array_merge($params, array($this->key => $i)), $separator),
			'is_current' => ($i == $this->currentPage),
		);
	}
				
	return $links;
}