class.ilLuceneQueryInputGUI.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
        |                                                                             |
        | 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

class ilLuceneQueryInputGUI extends ilTextInputGUI
{
        
        public function __construct($a_title,$a_postvar)
        {
                parent::__construct($a_title,$a_postvar);
        }       
        
        public function checkInput()
        {
                global $lng,$ilUser;
                
                $ok = parent::checkInput();
                
                $query = ilUtil::stripSlashes($_POST[$this->getPostVar()]);
                
                if(!$ok or !strlen($query))
                {
                        return false;
                }
                
                include_once './Services/Search/classes/Lucene/class.ilLuceneQueryParser.php';
                try {
                        ilLuceneQueryParser::validateQuery($query);
                        return true;
                }
                catch(ilLuceneQueryParserException $e)
                {
                        $this->setAlert($lng->txt($e->getMessage()));
                        return false;
                }
        }
        
}
?>