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<?php
namespace phpList\plugin\Common;
/**
* CommonPlugin for phplist.
*
* This file is a part of CommonPlugin.
*
* @category phplist
*
* @author Duncan Cameron
* @copyright 2016-2018 Duncan Cameron
* @license http://www.gnu.org/licenses/gpl.html GNU General Public License, Version 3
*/
/**
* This class provides a facade allowing anonymous functions to be used in a IPopulator.
*/
class Populator implements IPopulator
{
private $populateCallback;
private $totalCallback;
/**
* Constructor.
*
* @param callable $populate
* @param callable $total
*/
public function __construct($populate, $total)
{
$this->populateCallback = $populate;
$this->totalCallback = $total;
}
/**
* Calls the populate callback.
*
* @param WebblerListing $w the Webbler listing
* @param int $start the start index
* @param int $limit the number of items to display
*/
public function populate(\WebblerListing $w, $start, $limit)
{
$callback = $this->populateCallback;
$callback($w, $start, $limit);
}
/**
* Calls the total callback.
*
* @return int the total number of items
*/
public function total()
{
$callback = $this->totalCallback;
return $callback();
}
}