class.ilLuceneAdvancedSearchSettings.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. |
    +-----------------------------------------------------------------------------+
*/
 
include_once './Services/Search/classes/Lucene/class.ilLuceneAdvancedSearchFields.php';
include_once './Services/Administration/classes/class.ilSetting.php';
 
class ilLuceneAdvancedSearchSettings
{
    private static $instance = null;
    private $fields = array();
 
    protected $storage = null;
 
    private function __construct()
    {
        global $DIC;
 
        $ilSetting = $DIC['ilSetting'];
        
        $this->storage = new ilSetting('lucene_adv_search');
        $this->read();
    }
    
    public static function getInstance()
    {
        if (isset(self::$instance) and self::$instance != null) {
            return self::$instance;
        }
        return self::$instance = new ilLuceneAdvancedSearchSettings();
    }
    
    public function isActive($a_field)
    {
        return $this->fields[$a_field] ? $this->fields[$a_field] : false;
    }
    
    public function setActive($a_field, $a_status)
    {
        $this->fields[$a_field] = (bool) $a_status;
    }
    
    public function save()
    {
        foreach ($this->fields as $name => $status) {
            $this->storage->set($name, $status ? "1" : "0");
        }
        return true;
    }
    
    private function read()
    {
        foreach (ilLuceneAdvancedSearchFields::getFields() as $name => $translation) {
            $this->fields[$name] = (bool) $this->storage->get($name, true);
        }
    }
}