class.ilObjSessionListGUI.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/Object/classes/class.ilObjectListGUI.php');
 
 
class ilObjSessionListGUI extends ilObjectListGUI
{
        protected $app_info = array();
        
        
        public function __construct()
        {
                global $lng;
                
                $lng->loadLanguageModule('crs');
                parent::__construct();
        }
        
        public function init()
        {
                $this->delete_enabled = true;
                $this->cut_enabled = true;
                $this->copy_enabled = true;
                $this->subscribe_enabled = true;
                $this->link_enabled = true;
                $this->payment_enabled = false;
                $this->info_screen_enabled = true;
                $this->subitems_enabled = true;
                $this->type = "sess";
                $this->gui_class_name = "ilobjsessiongui";
                
                // general commands array
                include_once('./Modules/Session/classes/class.ilObjSessionAccess.php');
                $this->commands = ilObjSessionAccess::_getCommands();
        }
        
        public function getTitle()
        {
                $app_info = $this->getAppointmentInfo();
                $title = strlen($this->title) ? (': '.$this->title) : '';
                return ilSessionAppointment::_appointmentToString($app_info['start'], $app_info['end'],$app_info['fullday']) . $title;
        }
        
        
        
        public function getCommandLink($a_cmd)
        {
                global $ilCtrl;
                
                // separate method for this line
                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $this->ref_id);
                $cmd_link = $ilCtrl->getLinkTargetByClass("ilrepositorygui", $a_cmd);
                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $_GET["ref_id"]);
                return $cmd_link;
        }
        
        public function checkCommandAccess($a_permission,$a_cmd,$a_ref_id,$a_type,$a_obj_id="")
        {
                if($a_cmd != 'register' and $a_cmd != 'unregister')
                {
                        $a_cmd = '';
                }
                return parent::checkCommandAccess($a_permission,$a_cmd,$a_ref_id,$a_type,$a_obj_id);
        }
        
        
        public function getProperties()
        {
                $app_info = $this->getAppointmentInfo(); 
                
                /*
                $props[] = array(
                        'alert'         => false,
                        'property'      => $this->lng->txt('event_date'),
                        'value'         => ilSessionAppointment::_appointmentToString($app_info['start'],$app_info['end'],$app_info['fullday']));
                */
                
                if($this->getDetailsLevel() == ilObjectListGUI::DETAILS_MINIMAL)
                {
                        if($items = self::lookupAssignedMaterials($this->obj_id))
                        {
                                $props[] = array(
                                        'alert'         => false,
                                        'property'      => $this->lng->txt('event_ass_materials_prop'),
                                        'value'         => count($items)
                                );
                                        
                        }
                }
                if($this->getDetailsLevel() == ilObjectListGUI::DETAILS_ALL)
                {
                        include_once './Modules/Session/classes/class.ilObjSession.php';
                        $session_data = ilObjSession::lookupSession($this->obj_id);
                        
                        if(strlen($session_data['location']))
                        {
                                $props[] = array(
                                        'alert'         => false,
                                        'property'      => $this->lng->txt('event_location'),
                                        'value'         => $session_data['location']
                                );
                        }
                        if(strlen($session_data['details']))
                        {
                                $props[] = array(
                                        'alert'         => false,
                                        'property'      => $this->lng->txt('event_details_workflow'),
                                        'value'         => nl2br($session_data['details']),
                                        'newline'       => true
                                );
                        }
                        $has_new_line = false;
                        if(strlen($session_data['name']))
                        {
                                $props[] = array(
                                        'alert'         => false,
                                        'property'      => $this->lng->txt('event_lecturer'),
                                        'value'         => $session_data['name'],
                                        'newline'       => true
                                );
                                $has_new_line = true;                           
                        }
                        if(strlen($session_data['email']))
                        {
                                $props[] = array(
                                        'alert'         => false,
                                        'property'      => $this->lng->txt('tutor_email'),
                                        'value'         => $session_data['email'],
                                        'newline'       => $has_new_line ? false : true
                                );
                                $has_new_line = true;                           
                        }
                        if(strlen($session_data['phone']))
                        {
                                $props[] = array(
                                        'alert'         => false,
                                        'property'      => $this->lng->txt('tutor_phone'),
                                        'value'         => $session_data['phone'],
                                        'newline'       => $has_new_line ? false : true
                                );
                                $has_new_line = true;   
                        }
                }
 
                return $props;
        }
 
        
        
        protected function getAppointmentInfo()
        {
                if(isset($this->app_info[$this->obj_id]))
                {
                        return $this->app_info[$this->obj_id];
                }
                include_once('./Modules/Session/classes/class.ilSessionAppointment.php');
                return $this->app_info[$this->obj_id] = ilSessionAppointment::_lookupAppointment($this->obj_id); 
        }
        
        protected static function lookupAssignedMaterials($a_sess_id)
        {
                global $ilDB;
                
                $query = 'SELECT * FROM event_items ei '.
                                'JOIN tree ON item_id = child '.
                                'WHERE event_id = '.$ilDB->quote($a_sess_id,'integer').' '.
                                'AND tree > 0';
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(FETCHMODE_OBJECT))
                {
                        $items[] = $row->item_id;
                }
                return $items ? $items : array();       
        }
        
}
?>