public function renderSingle()
{
global $CFG;
$module = $this->module;
echo '<div style="float:right; padding-left: 5px; vertical-align: text-top;"><ul class="pager">' . "\n";
$disabled = $this->position == 1 ? ' disabled' : '';
if ($this->position == 1) {
echo '<li class="previous disabled"><a href="#" onclick="return false;">← Previous</a></li>' . "\n";
} else {
$prev = 'index=' . ($this->position - 1);
if (isset($this->lessons->modules[$this->position - 2]->anchor)) {
$prev = 'anchor=' . $this->lessons->modules[$this->position - 2]->anchor;
}
echo '<li class="previous"><a href="lessons.php?' . $prev . '">← Previous</a></li>' . "\n";
}
echo '<li><a href="lessons.php">All (' . $this->position . ' / ' . count($this->lessons->modules) . ')</a></li>';
if ($this->position >= count($this->lessons->modules)) {
echo '<li class="next disabled"><a href="#" onclick="return false;">→ Next</a></li>' . "\n";
} else {
$next = 'index=' . ($this->position + 1);
if (isset($this->lessons->modules[$this->position]->anchor)) {
$next = 'anchor=' . $this->lessons->modules[$this->position]->anchor;
}
echo '<li class="next"><a href="lessons.php?' . $next . '">→ Next</a></li>' . "\n";
}
echo "</ul></div>\n";
echo '<h1>' . $module->title . "</h1>\n";
if (isset($module->videos)) {
$videos = $module->videos;
echo '<ul class="bxslider">' . "\n";
foreach ($videos as $video) {
echo '<li><iframe src="https://www.youtube.com/embed/' . $video->youtube . '" frameborder="0" webkitAllowFullScreen mozallowfullscreen allowfullscreen ' . ' alt="' . htmlentities($video->title) . '"></iframe>' . "\n";
}
echo "</ul>\n";
}
if (isset($module->description)) {
echo '<p>' . $module->description . "</p>\n";
}
echo "<ul>\n";
if (isset($module->slides)) {
echo '<li><a href="' . $module->slides . '" target="_blank">Slides</a></li>' . "\n";
}
if (isset($module->chapters)) {
echo '<li>Chapters: ' . $module->chapters . '</a></li>' . "\n";
}
if (isset($module->assignment)) {
echo '<li><a href="' . $module->assignment . '" target="_blank">Assignment Specification</a></li>' . "\n";
}
if (isset($module->solution)) {
echo '<li><a href="' . $module->solution . '" target="_blank">Assignment Solution</a></li>' . "\n";
}
if (isset($module->references)) {
if (count($module->references) > 0) {
echo "<li>References:<ul>\n";
foreach ($module->references as $reference) {
echo '<li><a href="' . $reference->href . '" target="_blank">' . $reference->title . "</a></li>\n";
}
echo "</ul></li>\n";
} else {
echo '<li>Reference: <a href="' . $module->references->href . '" target="_blank">' . $module->references->title . "</a></li>\n";
}
}
if (isset($module->lti) && isset($_SESSION['secret'])) {
$ltis = $module->lti;
if (count($ltis) > 1) {
echo "<li>Tools:<ul> <!-- start of ltis -->\n";
}
$count = 0;
foreach ($ltis as $lti) {
$key = isset($_SESSION['oauth_consumer_key']) ? $_SESSION['oauth_consumer_key'] : false;
$secret = isset($_SESSION['secret']) ? $_SESSION['secret'] : false;
if (isset($lti->resource_link_id)) {
$resource_link_id = $lti->resource_link_id;
} else {
$resource_link_id = 'resource:';
if ($this->anchor != null) {
$resource_link_id .= $this->anchor . ':';
}
if ($this->position != null) {
$resource_link_id .= $this->position . ':';
}
if ($count > 0) {
$resource_link_id .= '_' . $count;
}
$resource_link_id .= md5($CFG->context_title);
}
$count++;
$resource_link_title = isset($lti->title) ? $lti->title : $module->title;
$parms = array('lti_message_type' => 'basic-lti-launch-request', 'resource_link_id' => $resource_link_id, 'resource_link_title' => $resource_link_title, 'tool_consumer_info_product_family_code' => 'tsugi', 'tool_consumer_info_version' => '1.1', 'context_id' => $_SESSION['context_key'], 'context_label' => $CFG->context_title, 'context_title' => $CFG->context_title, 'user_id' => $_SESSION['user_key'], 'lis_person_name_full' => $_SESSION['displayname'], 'lis_person_contact_email_primary' => $_SESSION['email'], 'roles' => 'Learner');
if (isset($_SESSION['avatar'])) {
$parms['user_image'] = $_SESSION['avatar'];
}
if (isset($lti->custom)) {
foreach ($lti->custom as $custom) {
if (isset($custom->value)) {
$parms['custom_' . $custom->key] = $custom->value;
}
if (isset($custom->json)) {
$parms['custom_' . $custom->key] = json_encode($custom->json);
}
}
}
$return_url = $CFG->getCurrentUrl();
if ($this->anchor) {
$return_url .= '?anchor=' . urlencode($this->anchor);
} elseif ($this->position) {
$return_url .= '?index=' . urlencode($this->position);
}
$parms['launch_presentation_return_url'] = $return_url;
if (isset($_SESSION['tsugi_top_nav'])) {
$parms['ext_tsugi_top_nav'] = $_SESSION['tsugi_top_nav'];
}
$form_id = "tsugi_form_id_" . bin2Hex(openssl_random_pseudo_bytes(4));
$parms['ext_lti_form_id'] = $form_id;
$endpoint = $lti->launch;
$parms = LTI::signParameters($parms, $endpoint, "POST", $key, $secret, "Finish Launch", $CFG->product_instance_guid, $CFG->servicename);
$content = LTI::postLaunchHTML($parms, $endpoint, false, '_pause');
$title = isset($lti->title) ? $lti->title : "Autograder";
echo '<li><a href="#" onclick="document.' . $form_id . '.submit();return false">' . htmlentities($title) . '</a></li>' . "\n";
echo "<!-- Start of content -->\n";
print $content;
echo "<!-- End of content -->\n";
}
if (count($ltis) > 1) {
echo "</li></ul><!-- end of ltis -->\n";
}
}
if (!isset($module->discuss)) {
$module->discuss = true;
}
if (!isset($module->anchor)) {
$module->anchor = $this->position;
}
// For now do not add disqus to each page.
if (false && isset($CFG->disqushost) && isset($_SESSION['id']) && $module->discuss) {
?>
<hr/>
<div id="disqus_thread" style="margin-top: 30px;"></div>
<script>
/**
* RECOMMENDED CONFIGURATION VARIABLES: EDIT AND UNCOMMENT THE SECTION BELOW TO INSERT DYNAMIC VALUES FROM YOUR PLATFORM OR CMS.
* LEARN WHY DEFINING THESE VARIABLES IS IMPORTANT: https://disqus.com/admin/universalcode/#configuration-variables */
var disqus_config = function () {
this.page.url = '<?php
echo $CFG->disqushost;
?>
'; // Replace PAGE_URL with your page's canonical URL variable
this.page.identifier = '<?php
echo $module->anchor;
?>
'; // Replace PAGE_IDENTIFIER with your page's unique identifier variable
};
(function() { // DON'T EDIT BELOW THIS LINE
var d = document, s = d.createElement('script');
s.src = '//php-intro.disqus.com/embed.js';
s.setAttribute('data-timestamp', +new Date());
(d.head || d.body).appendChild(s);
})();
</script>
<noscript>Please enable JavaScript to view the <a href="https://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript>
<?php
}
}
/**
* getLaunchContent - Get the launch data for am LTI ContentItem launch
*/
public static function getLaunchContent($endpoint, $debug = false)
{
$info = LTIX::getKeySecretForLaunch($endpoint);
if ($info === false) {
return '<p style="color:red">Unable to load key/secret for ' . htmlentities($endpoint) . "</p>\n";
}
$key = $info['key'];
$secret = $info['secret'];
$parms = LTIX::getLaunchData();
$parms = LTI::signParameters($parms, $endpoint, "POST", $key, $secret, "Button");
$content = LTI::postLaunchHTML($parms, $endpoint, false);
return $content;
}
echo "<br/>\n";
}
echo "</fieldset>\n";
echo "</div>\n";
echo "</form>\n";
$parms = $lmsdata;
// Cleanup parms before we sign
foreach ($parms as $k => $val) {
if (strlen(trim($parms[$k])) < 1) {
unset($parms[$k]);
}
}
// Add oauth_callback to be compliant with the 1.0A spec
$parms["oauth_callback"] = "about:blank";
if ($outcomes) {
$parms["lis_outcome_service_url"] = $outcomes;
}
$parms['launch_presentation_css_url'] = $cssurl;
if (isset($_POST['launch']) || isset($_POST['debug'])) {
// Switch to direct launches instead of going through lti.php
$endpoint = str_replace("lti.php", $_POST['custom_assn'], $endpoint);
$parms = LTI::signParameters($parms, $endpoint, "POST", $key, $secret, "Finish Launch", $tool_consumer_instance_guid, $tool_consumer_instance_description);
$content = LTI::postLaunchHTML($parms, $endpoint, isset($_POST['debug']), "width=\"100%\" height=\"900\" scrolling=\"auto\" frameborder=\"1\" transparency");
echo "<hr>\n";
print $content;
}
?>
</div>
</div> <!-- /container -->
<?php
$OUTPUT->footer();
/**
* signParameters - Look up the key and secret and call the underlying code in LTI
*/
public static function signParameters($oldparms, $endpoint, $method, $submit_text = false, $org_id = false, $org_desc = false)
{
$oauth_consumer_key = self::sessionGet('key_key');
$oauth_consumer_secret = self::sessionGet('secret');
return LTI::signParameters($oldparms, $endpoint, $method, $oauth_consumer_key, $oauth_consumer_secret, $submit_text, $org_id, $org_desc);
}