class.ilCalendarSettings.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/Calendar/classes/class.ilTimeZone.php');

class ilCalendarSettings
{
        const WEEK_START_MONDAY = 1;
        const WEEK_START_SUNDAY = 0;
        
        const TIME_FORMAT_24 = 1;
        const TIME_FORMAT_12 = 2;
        
        private static $instance = null;

        private $db = null;
        private $storage = null;
        private $timezone = null;
        private $time_format = null;
        private $week_start = 0;
        private $enabled = false;
        private $cal_settings_id = 0;

        private function __construct()
        {
                global $ilDB;

                $this->db = $ilDB;              
                
                $this->initStorage();
                $this->read();  
                $this->readCalendarSettingsId();
        }
        
        public static function _getInstance()
        {
                if(self::$instance)
                {
                        return self::$instance;
                }
                return self::$instance = new ilCalendarSettings();
        }

        public function setEnabled($a_enabled)
        {
                $this->enabled = $a_enabled;
        }
        
        public function isEnabled()
        {
                return (bool) $this->enabled;
        }
        
        public function setDefaultWeekStart($a_start)
        {
                $this->week_start = $a_start;
        }
        
        public function getDefaultWeekStart()
        {
                return $this->week_start;
        }
        
        public function setDefaultTimeZone($a_zone)
        {
                $this->timezone = $a_zone;
        }
        
        public function getDefaultTimeZone()
        {
                return $this->timezone;
        }
        
        public function setDefaultTimeFormat($a_format)
        {
                $this->time_format = $a_format;
        }
        
        public function getDefaultTimeFormat()
        {
                return $this->time_format;
        }

        public function getCalendarSettingsId()
        {
                return $this->cal_settings_id;
        }

        
        public function save()
        {
                $this->storage->set('enabled',(int) $this->isEnabled());
                $this->storage->set('default_timezone',$this->getDefaultTimeZone());
                $this->storage->set('default_week_start',$this->getDefaultWeekStart());
                $this->storage->set('default_time_format',$this->getDefaultTimeFormat());
        }

        private function read()
        {
                $this->setEnabled($this->storage->get('enabled'));
                $this->setDefaultTimeZone($this->storage->get('default_timezone',ilTimeZone::_getDefaultTimeZone()));
                $this->setDefaultWeekStart($this->storage->get('default_week_start',self::WEEK_START_MONDAY));
                $this->setDefaultTimeFormat($this->storage->get('default_time_format',self::TIME_FORMAT_24));
        }
        
        private function readCalendarSettingsId()
        {
                $query = "SELECT ref_id FROM object_reference AS obr ".
                        "JOIN object_data AS obd ON obd.obj_id = obr.obj_id ".
                        "WHERE type = 'cals'";
                        
                $res = $this->db->query($query);
                $row = $res->fetchRow();
                
                $this->cal_settings_id = $row[0];
                return true;
        }
        
        private function initStorage()
        {
                include_once('./Services/Administration/classes/class.ilSetting.php');
                $this->storage = new ilSetting('calendar');
        }
}
?>