<?php

/*
OneLobby
Copyright (C) 2007 Peter Goodman, Geoffrey Goodman

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

class k4Page 
{
	var $_title;
	var $_path;
	
	function k4Page($title, $path = '') 
	{
		$this->_title = $title;
		
		if ($path == '') 
		{
			$path = '/';
		}
		
		$this->_path = $path;
	}
	
	function getTitle() 
	{
		return $this->_title;
	}

	function getPath() 
	{
		return $this->_path;
	}
}

class k4History 
{
	var $_pages = array();
	
	function addPage(&$page) 
	{
		// make sure the last url is not the same as the current
		if($this->_index > -1)
		{
			if($this->_pages[count($this->_pages) - 1]->getPath() == $page->getPath())
			{
				return;
			}
		}
		
		// add the page to the start of stack
		array_unshift($this->_pages, $page);
		
		// only keep track of the last 8 pages
		$this->_pages = array_slice($this->_pages, 0, 8);
	}
	
	function &prevPage() 
	{
		return array_shift($this->_pages);
	}
}

?>