<?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.
*/

//--------------------------------------------
// Iterate through the tags and figure out stuff such as
// which CSS class should be applied to them according to
// their size.
//--------------------------------------------

class TagCloudIterator extends FAProxyIterator {
	var $_interval;
	var $_max;
	
	function TagCloudIterator(&$it, $max) 
	{
		parent::FAProxyIterator($it);
		
		$this->_interval = ceil($max / 6);
		$this->_max = @ceil($max / $this->_interval);
	}
	
	function &current() 
	{
		$current = &parent::current();
		
		if(is_object($current))
		{
			$current->set('size', @ceil($current->get('tag_count') / $this->_interval));
		}
		else if(is_array($current))
		{
			$current['size'] = @ceil($current['tag_count'] / $this->_interval);
		}
		return $current;
	}
}

?>