class.ilSetting.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 ilSetting
{
        var $setting = array();
        var $module = "";
        
        function ilSetting($a_module = "common")
        {
                global $ilDB;
                
                $this->module = $a_module;
                // check whether ini file object exists
                if (!is_object($ilDB))
                {
                        die ("Fatal Error: ilSettings object instantiated without DB initialisation.");
                }
                $this->read();
        }
                
        function read()
        {
                global $ilDB;
                
                $this->setting = array();

                $query = "SELECT * FROM settings WHERE module=".$ilDB->quote($this->module, "text");
                $res = $ilDB->query($query);

                while ($row = $ilDB->fetchAssoc($res))
                {
                        $this->setting[$row["keyword"]] = $row["value"];
                }
        }
        
        function get($a_keyword, $a_default_value = false)
        {
                if ($a_keyword == "ilias_version")
                {
                        return ILIAS_VERSION;
                }
                
                if (isset($this->setting[$a_keyword]))
                {
                        return $this->setting[$a_keyword];
                }
                else
                {
                        return $a_default_value;
                }
        }
        
        public function deleteAll()
        {
                global $ilDB;
                
                $query = "DELETE FROM settings WHERE module = ".$ilDB->quote($this->module, "text");
                $ilDB->manipulate($query);

                $this->setting = array();

                return true;
        }
        
        public function deleteLike($a_like)
        {
                global $ilDB;

                $query = "DELETE FROM settings WHERE module = ".$ilDB->quote($this->module, "text").
                        " AND ".$ilDB->like("keyword", "text", $a_like);
                $ilDB->manipulate($query);
                
                $this->read();
                return true;
        }

        function delete($a_keyword)
        {
                global $ilDB;

                $st = $ilDB->manipulate("DELETE FROM settings WHERE keyword = ".
                        $ilDB->quote($a_keyword, "text")." AND module = ".
                        $ilDB->quote($this->module, "text"));

                unset($this->setting[$a_keyword]);

                return true;
        }
        
        

        function getAll()
        {
                return $this->setting;
        }

        function set($a_key, $a_val)
        {
                global $ilDB;
                
                $this->delete($a_key);

                /*$sql = "INSERT INTO settings (module, keyword, value) VALUES (".
                        $ilDB->quote($this->module, "text") .
                        ",".$ilDB->quote($a_key, "text").",".$ilDB->quote((string) $a_val, "clob").")";
                $ilDB->manipulate($sql);*/
                $ilDB->insert("settings", array(
                        "module" => array("text", $this->module),
                        "keyword" => array("text", $a_key),
                        "value" => array("clob", $a_val)));

                $this->setting[$a_key] = $a_val;

                return true;
        }
        
        public static function _lookupValue($a_module, $a_keyword)
        {
                global $ilDB;
                
                $query = "SELECT value FROM settings WHERE module = %s AND keyword = %s";
                $res = $ilDB->queryF($query, array('text', 'text'), array($a_module, $a_keyword));
                $data = $ilDB->fetchAssoc($res);
                return $data['value'];
        }
}
?>