File util/pagination/ModulePagination.class.php

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<?php
/**
 * @package     Util
 * @subpackage  Pagination
 * @copyright   &copy; 2005-2019 PHPBoost
 * @license     https://www.gnu.org/licenses/gpl-3.0.html GNU/GPL-3.0
 * @author      Kevin MASSY <reidlos@phpboost.com>
 * @version     PHPBoost 5.2 - last update: 2014 12 22
 * @since       PHPBoost 4.0 - 2013 06 19
*/

class ModulePagination
{
    private $pagination;
    private $current_page;
    private $number_elements;
    private $number_items_per_page;

    public function __construct($current_page, $number_elements, $number_items_per_page, $type = Pagination::FULL_PAGINATION)
    {
        $this->current_page = $current_page;
        $this->number_elements = $number_elements;
        $this->number_items_per_page = (int)$number_items_per_page;
        $this->pagination = new Pagination($this->get_number_pages(), $this->current_page, $type);
    }

    public function set_url(Url $url)
    {
        $this->pagination->set_url_sprintf_pattern($url->rel());
    }

    public function display()
    {
        return $this->pagination->export();
    }

    public function get_number_items_per_page()
    {
        return $this->number_items_per_page;
    }

    public function current_page_is_empty()
    {
        return $this->current_page > $this->pagination->get_number_pages();
    }

    public function get_display_from()
    {
        $current_page = $this->current_page > 0 ? $this->current_page : 1;
        return ($current_page - 1) * $this->get_number_items_per_page();
    }

    public function has_several_pages()
    {
        return $this->get_number_pages() > 1;
    }

    public function get_number_pages()
    {
        return ceil($this->number_elements / $this->get_number_items_per_page());
    }
}
?>