/**
  * Opens the selected thread.
  */
 public function open()
 {
     if (!$this->board->getModeratorPermission('canCloseThread')) {
         return;
     }
     if ($this->thread != null && $this->thread->isClosed) {
         $this->thread->open();
     }
 }
 /**
  * @see Form::save()
  */
 public function save()
 {
     // set the language temporarily to the thread language
     if ($this->thread->languageID && $this->thread->languageID != WCF::getLanguage()->getLanguageID()) {
         $this->setLanguage($this->thread->languageID);
     }
     MessageForm::save();
     if ($this->thread->isDisabled) {
         $this->disablePost = 1;
     }
     // search for double posts
     if ($postID = PostEditor::test($this->subject, $this->text, WCF::getUser()->userID, $this->username, $this->threadID)) {
         HeaderUtil::redirect('index.php?page=Thread&postID=' . $postID . SID_ARG_2ND_NOT_ENCODED . '#post' . $postID);
         exit;
     }
     // save poll
     if ($this->showPoll) {
         $this->pollEditor->save();
     }
     // save post in database
     $this->newPost = PostEditor::create($this->thread->threadID, $this->subject, $this->text, WCF::getUser()->userID, $this->username, $this->getOptions(), $this->attachmentListEditor, $this->pollEditor, null, intval($this->disablePost || !$this->board->getPermission('canReplyThreadWithoutModeration')));
     // reset language
     if ($this->userInterfaceLanguageID !== null) {
         $this->setLanguage($this->userInterfaceLanguageID, true);
     }
     // remove quotes
     $sessionVars = WCF::getSession()->getVars();
     if (isset($sessionVars['quotes'][$this->threadID])) {
         unset($sessionVars['quotes'][$this->threadID]);
         WCF::getSession()->register('quotes', $sessionVars['quotes']);
     }
     if (!$this->disablePost && $this->board->getPermission('canReplyThreadWithoutModeration')) {
         // refresh thread
         $this->thread->addPost($this->newPost, $this->closeThread);
         // update subscription
         $this->thread->setSubscription($this->subscription);
         // update user posts
         if (WCF::getUser()->userID && $this->board->countUserPosts) {
             WBBUser::updateUserPosts(WCF::getUser()->userID, 1);
             if (ACTIVITY_POINTS_PER_POST) {
                 require_once WCF_DIR . 'lib/data/user/rank/UserRank.class.php';
                 UserRank::updateActivityPoints(ACTIVITY_POINTS_PER_POST);
             }
         }
         // refresh counter and last post
         $this->board->addPosts();
         $this->board->setLastPost($this->thread);
         // close / open thread
         if (!$this->thread->isClosed && $this->closeThread) {
             $this->thread->close();
         } else {
             if ($this->thread->isClosed && !$this->closeThread) {
                 $this->thread->open();
             }
         }
         // mark as done
         if ($this->markAsDone == 1) {
             $this->thread->markAsDone();
         } else {
             if (MODULE_THREAD_MARKING_AS_DONE && $this->board->enableMarkingAsDone && $this->thread->isDone && WCF::getUser()->userID && WCF::getUser()->userID == $this->thread->userID) {
                 $this->thread->markAsUndone();
             }
         }
         // reset stat cache
         WCF::getCache()->clearResource('stat');
         WCF::getCache()->clearResource('boardData');
         // send notifications
         $this->newPost->sendNotification($this->thread, $this->board, $this->attachmentListEditor);
         $this->saved();
         // forward to post
         $url = 'index.php?page=Thread&postID=' . $this->newPost->postID . SID_ARG_2ND_NOT_ENCODED . '#post' . $this->newPost->postID;
         HeaderUtil::redirect($url);
     } else {
         $this->saved();
         if ($this->disablePost) {
             HeaderUtil::redirect('index.php?page=Thread&postID=' . $this->newPost->postID . SID_ARG_2ND_NOT_ENCODED . '#post' . $this->newPost->postID);
         } else {
             WCF::getTPL()->assign(array('url' => 'index.php?page=Thread&threadID=' . $this->threadID . SID_ARG_2ND_NOT_ENCODED, 'message' => WCF::getLanguage()->get('wbb.postAdd.moderation.redirect'), 'wait' => 5));
             WCF::getTPL()->display('redirect');
         }
     }
     exit;
 }