<?php
/*
 * This file is part of the Easy-CMS project.
 * Easy-CMS 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.
 * 
 * Easy-CMS 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 Easy-CMS; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
/**
 * @package Core
 * @subpackage Parser
 */

include_once('classes/core/parser/tags/Tag.class.php');
include_once('classes/core/Site.class.php');

/**
 * Tag element.
 *
 * @access   public
 * @author	Cedric Francoys <cedric.francoys@easy-cms.org>
 * @version	IfUserMemberOfTag.class
 * @package	Tags
 */
class IfUserMemberOfTag extends Tag {
	/**
	 * Constructor
	 * 
	 * @access   public
 	 * @param    string  The complete tag syntax (i.e. : <tagname attr1="value1" attr2="value2">, <br />, </a>, ...)
 	 * @param    integer The position of the tag in the xml document
 	 * @return   void  
	 */	 	
	function IfUserMemberOfTag($tagString, $name, $type, $offset, $length) {
		parent::Tag($tagString, $name, $type, $offset, $length);
	}

	/**
	 * Performs actions specific to the tag
	 * 
	 * @access   public
 	 * @return   bool Returns true if the current user is member of the specified group, false otherwise.
	 */
	function evaluate() {
		if (!isset($this->user)) {
			return false;
		}
		$group_id = $this->getAttribute("group");
		return $this->user->checkGroupMembership($group_id);
	}
}
?>