class.ilChatPresentationGUI.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2009 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. |
        +-----------------------------------------------------------------------------+
*/
require_once "Modules/Chat/classes/class.ilObjChatGUI.php";

class ilChatPresentationGUI
{
        public function __construct() {}
        
        public function &executeCommand()
        {
                global $lng, $ilAccess, $tpl, $ilNavigationHistory, $ilCtrl;
                
                $next_class = $ilCtrl->getNextClass($this);
                $cmd = $ilCtrl->getCmd();
                if ($next_class == "")
                {
                        $ilCtrl->setCmdClass("ilobjchatgui");
                        if($cmd == '') $ilCtrl->setCmd("showFrames");
                        $next_class = $ilCtrl->getNextClass($this);
                }
                
                if(strpos(trim(ilUtil::stripSlashes($_POST['invitation'])), '_') !== false)
                {
                        $param = trim(ilUtil::stripSlashes($_POST['invitation']));
                        
                        $_GET['ref_id'] = (int)substr($param, 0, strpos($param, '_'));
                        $_REQUEST['room_id'] = (int)substr($param, strrpos($param, '_') + 1); 
                }               

                // add entry to navigation history
                if ($ilAccess->checkAccess("read", "", $_GET["ref_id"]))
                {
                        $ilNavigationHistory->addItem($_GET["ref_id"],
                                "ilias.php?baseClass=ilChatPresentationGUI&cmd=infoScreen&ref_id=".$_GET["ref_id"], "chat");
                }

                switch ($next_class)
                {
                        case 'ilobjchatgui':
                                include_once("./Modules/Chat/classes/class.ilObjChatGUI.php");
                                $chat_gui = new ilObjChatGUI(array(), $_GET["ref_id"], true, false);
                                $chat_gui->object->chat_room->setRoomId((int) $_REQUEST["room_id"]);
                                $chat_gui->object->chat_room->setUserId($_SESSION["AccountId"]);
                                
                                // check room access
                                if(!$chat_gui->object->chat_room->checkAccess())
                                {
                                        unset($_REQUEST["room_id"]);
                                        unset($_REQUEST["message"]);
                                        ilUtil::sendInfo("You are not entitled to view this room",true);
                                }
                                
                                // check server accessibility
                                if(!$chat_gui->object->server_conf->getActiveStatus())
                                {
                                        $tmp_tpl = new ilTemplate('tpl.chat_srv_off_redirect_js.html', true, true, 'Modules/Chat');
                                        $tmp_tpl->setVariable('OPENER_LOCATION', 'goto.php?target=chat_'.(int)$_GET['ref_id'].'&client_id='.CLIENT_ID);
                                        echo $tmp_tpl->get();
                                        exit();
                                }
                                                
                                $chat_gui->object->server_comm->setRecipientId((int) $_GET["p_id"]);
                                $ret = $ilCtrl->forwardCommand($chat_gui);
                                break;
                }

                $tpl->show();
        }

}
?>