function OnPreRender()
 {
     /* @var $o_top_level Category */
     $review_item = $this->o_topic->GetReviewItem();
     $s_suggested_title = urlencode(StringFormatter::PlainText(trim($review_item->GetTitle())));
     $s_page = urlencode($_SERVER['REQUEST_URI']);
     $s_subscribe_link = '/play/subscribe.php?type=' . $review_item->GetType() . '&item=' . $review_item->GetId() . '&title=' . $s_suggested_title . '&page=' . $s_page;
     $s_subscribe_title = 'Get an email alert every time there are new comments on this page';
     $this->AddControl('<div class="forumSubscribe"><a href="' . $s_subscribe_link . '" title="' . $s_subscribe_title . '">Subscribe to comments</a></div>');
     if (!$this->authentication_manager->GetUser()->Permissions()->HasPermission(PermissionType::ForumAddMessage())) {
         $add = $this->o_topic->GetCount() ? 'Add your comments' : 'Be the first to add your comments!';
         $this->AddControl('<div class="forumPost"><a href="' . Html::Encode($this->authentication_manager->GetPermissionUrl()) . urlencode('#forumMessageForm') . '">' . $add . '</a></div>');
     }
 }
 private function DisplayComments()
 {
     # Display review topic listing
     require_once 'forums/forum-topic-listing.class.php';
     require_once 'forums/forum-comments-topic-navbar.class.php';
     if (!isset($this->topic)) {
         $this->topic = new ForumTopic($this->GetSettings());
     }
     $this->topic->SetReviewItem($this->review_item);
     $signed_in = AuthenticationManager::GetUser()->IsSignedIn();
     echo '<div id="comments-topic"';
     if ($signed_in) {
         echo ' class="signed-in"';
     }
     echo '>';
     if ($this->topic->GetCount() or !$signed_in) {
         echo '<h2>Comments</h2>';
     }
     $navbar = new ForumCommentsTopicNavbar($this->topic, $this->GetAuthenticationManager());
     echo $navbar;
     $o_review_topic = new ForumTopicListing($this->GetSettings(), AuthenticationManager::GetUser(), $this->topic);
     echo $o_review_topic;
     if ($this->topic->GetCount() and !$signed_in) {
         echo $navbar;
     }
     # Add comment
     if (AuthenticationManager::GetUser()->Permissions()->HasPermission(PermissionType::ForumAddMessage())) {
         # create form
         $this->LoadClientScript("/scripts/tiny_mce/jquery.tinymce.js");
         $this->LoadClientScript("/scripts/tinymce.js");
         require_once 'forums/forum-message-form.class.php';
         $o_form = new ForumMessageForm();
         echo $o_form->GetForm();
     }
     echo '</div>';
 }
 function OnPreRender()
 {
     if ($this->topic->GetCount()) {
         $this->AddControl($this->GetFormattedMessages());
     }
 }