mod/chat/gui_sockets/index.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 require_once('../../../config.php');
  18 require_once('../lib.php');
  19
  20 $id      = required_param('id', PARAM_INT);
  21 $groupid = optional_param('groupid', 0, PARAM_INT); // Only for teachers.
  22
  23 $url = new moodle_url('/mod/chat/gui_sockets/index.php', array('id' => $id));
  24 if ($groupid !== 0) {
  25     $url->param('groupid', $groupid);
  26 }
  27 $PAGE->set_url($url);
  28
  29 if (!$chat = $DB->get_record('chat', array('id' => $id))) {
  30     throw new \moodle_exception('invalidid', 'chat');
  31 }
  32
  33 if (!$course = $DB->get_record('course', array('id' => $chat->course))) {
  34     throw new \moodle_exception('invalidcourseid');
  35 }
  36
  37 if (!$cm = get_coursemodule_from_instance('chat', $chat->id, $course->id)) {
  38     throw new \moodle_exception('invalidcoursemodule');
  39 }
  40
  41 require_login($course, false, $cm);
  42 $context = context_module::instance($cm->id);
  43 require_capability('mod/chat:chat', $context);
  44
  45 // Check to see if groups are being used here
  46 if ($groupmode = groups_get_activity_groupmode($cm)) {   // Groups are being used.
  47     if ($groupid = groups_get_activity_group($cm)) {
  48         if (!$group = groups_get_group($groupid)) {
  49             throw new \moodle_exception('invalidgroupid');
  50         }
  51         $groupname = ': '.$group->name;
  52     } else {
  53         $groupname = ': '.get_string('allparticipants');
  54     }
  55 } else {
  56     $groupid = 0;
  57     $groupname = '';
  58 }
  59
  60 $strchat = get_string('modulename', 'chat'); // Must be before current_language() in chat_login_user() to force course language!
  61
  62 if (!$chatsid = chat_login_user($chat->id, 'sockets', $groupid, $course)) {
  63     throw new \moodle_exception('cantlogin');
  64 }
  65
  66 $params = "chat_sid=$chatsid";
  67 $courseshortname = format_string($course->shortname, true, array('context' => context_course::instance($course->id)));
  68
  69 $chatname = format_string($chat->name, true, array('context' => $context));
  70 $winchaturl = "http://$CFG->chat_serverhost:$CFG->chat_serverport?win=chat&amp;$params";
  71 $winusersurl = "http://$CFG->chat_serverhost:$CFG->chat_serverport?win=users&amp;$params"
  72
  73 ?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">
  74 <html>
  75  <head>
  76   <meta http-equiv="content-type" content="text/html; charset=utf-8" />
  77   <title>
  78    <?php echo "$strchat: " . $courseshortname . ": " . $chatname . "$groupname" ?>
  79   </title>
  80  </head>
  81  <frameset cols="*,200" border="5" framespacing="no" frameborder="yes" marginwidth="2" marginheight="1">
  82   <frameset rows="0,*,70" border="0" framespacing="no" frameborder="no" marginwidth="2" marginheight="1">
  83    <frame src="../empty.php" name="empty" scrolling="auto" noresize marginwidth="2" marginheight="0">
  84    <frame src="<?php echo $winchaturl; ?>" scrolling="auto" name="msg" noresize marginwidth="2" marginheight="0">
  85    <frame src="chatinput.php?<?php echo $params ?>" name="input" scrolling="no" marginwidth="2" marginheight="1">
  86   </frameset>
  87   <frame src="<?php echo $winusersurl; ?>" name="users" scrolling="auto" marginwidth="5" marginheight="5">
  88  </frameset>
  89  <noframes>
  90   Sorry, this version of Moodle Chat needs a browser that handles frames.
  91  </noframes>
  92 </html>