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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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require_once('../../../config.php');
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require_once('../lib.php');
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$id = required_param('id', PARAM_INT);
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$groupid = optional_param('groupid', 0, PARAM_INT); // Only for teachers.
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$url = new moodle_url('/mod/chat/gui_header_js/index.php', array('id' => $id));
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if ($groupid !== 0) {
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$url->param('groupid', $groupid);
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}
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$PAGE->set_url($url);
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if (!$chat = $DB->get_record('chat', array('id' => $id))) {
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throw new \moodle_exception('invalidid', 'chat');
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}
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if (!$course = $DB->get_record('course', array('id' => $chat->course))) {
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throw new \moodle_exception('invalidcourseid');
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}
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if (!$cm = get_coursemodule_from_instance('chat', $chat->id, $course->id)) {
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throw new \moodle_exception('invalidcoursemodule');
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}
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$context = context_module::instance($cm->id);
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require_login($course, false, $cm);
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require_capability('mod/chat:chat', $context);
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// Check to see if groups are being used here.
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if ($groupmode = groups_get_activity_groupmode($cm)) { // Groups are being used.
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if ($groupid = groups_get_activity_group($cm)) {
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if (!$group = groups_get_group($groupid)) {
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throw new \moodle_exception('invalidgroupid');
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}
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$groupname = ': '.$group->name;
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} else {
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$groupname = ': '.get_string('allparticipants');
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}
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} else {
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$groupid = 0;
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$groupname = '';
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}
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$strchat = get_string('modulename', 'chat'); // Must be before current_language() in chat_login_user() to force course language!
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if (!$chatsid = chat_login_user($chat->id, 'header_js', $groupid, $course)) {
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throw new \moodle_exception('cantlogin', 'chat');
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}
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$params = "chat_id=$id&chat_sid={$chatsid}";
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// Fallback to the old jsupdate, but allow other update modes.
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$updatemode = 'jsupdate';
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if (!empty($CFG->chat_normal_updatemode)) {
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$updatemode = $CFG->chat_normal_updatemode;
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}
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$courseshortname = format_string($course->shortname, true, array('context' => context_course::instance($course->id)));
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?>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=utf-8" />
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<title>
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<?php echo "$strchat: " . $courseshortname . ": ".
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format_string($chat->name, true, array('context' => $context)) . "$groupname" ?>
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</title>
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</head>
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<frameset cols="*,200" border="5" framespacing="no" frameborder="yes" marginwidth="2" marginheight="1">
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<frameset rows="0,0,*,50" border="0" framespacing="no" frameborder="no" marginwidth="2" marginheight="1">
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<frame src="../empty.php" name="empty" scrolling="no" marginwidth="0" marginheight="0">
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<frame src="<?php echo $updatemode ?>.php?<?php echo $params ?>" name="jsupdate" scrolling="no" marginwidth="0" marginheight="0">
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<frame src="chatmsg.php?<?php echo $params ?>" name="msg" scrolling="auto" marginwidth="2" marginheight="1">
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<frame src="chatinput.php?<?php echo $params ?>" name="input" scrolling="no" marginwidth="2" marginheight="1">
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</frameset>
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<frame src="users.php?<?php echo $params ?>" name="users" scrolling="auto" marginwidth="5" marginheight="5">
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</frameset>
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<noframes>
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Sorry, this version of Moodle Chat needs a browser that handles frames.
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</noframes>
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</html>
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