<?php
/**
 * @version		1.0.0
 * @category	Anahita Social Engine™
 * @copyright	Copyright (C) 2008 - 2010 rmdStudio Inc. and Peerglobe Technology Inc. All rights reserved.
 * @license		GNU GPLv2 <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
 * @link     	http://www.anahitapolis.com
 */

 
class AnUikitPageMixin extends KMixinAbstract
{
	/**
	 * max limit
	 * 
	 * @var integer
	 */
	protected $_max_limit;
		
	/**
	 * 
	 * @return 
	 */
	public function __construct()
	{		
		parent::__construct();				
		$this->_max_limit = 30;
	}
	
	/**
	 * Return the limit from the request. It ensures the limit does not exceed the set limit
	 * @return 
	 * @param $param Object
	 */
	public function getLimit($param = 'limit')
	{
		$params	= JComponentHelper::getParams('com_socialengine');
		$params->get('list_length', 20);
		$limit = KRequest::get("request.$param", 'int', $params->get('list_length', 20));
		return min($limit, $this->getMaxLimit());
	}
	
	/**
	 * Set maximum allowed limit
	 * @return AnUikitPageMixin
	 * @param $limit String
	 */
	public function setMaxLimit($limit)
	{
		$this->_max_limit = $limit;
		return $this;
	}
	
	/**
	 * Return max limit allowed
	 * @return Integer
	 */
	public function getMaxLimit()
	{
		return (int) $this->_max_limit;
	}
	
	/**
	 * Return the offset from request.
	 * @return 
	 * @param $param String[optional]
	 */
	public function getOffset($param = 'start')
	{
		return KRequest::get("request.$param", 'int', 0);
	}
}