Application->User->Name; if(!$this->Application->Modules['users']->usernameExists($username)) { $auth = $this->Application->Modules['auth']; $auth->logout(); //redirect to login page. $this->Response->Redirect($this->Service->ConstructUrl($auth->LoginPage)); } } function processMessage($sender, $param) { if(strlen($this->userinput->Text) > 0) { $record = new ChatBufferRecord(); $record->message = $this->userinput->Text; $record->from_user = $this->Application->User->Name; $record->saveMessage(); $this->userinput->Text = ''; $this->refresh($sender, $param); $this->CallbackClient->focus($this->userinput); } } function refresh($sender, $param) { //refresh the message list $content = ChatBufferRecord::finder()->getUserMessages($this->Application->User->Name); if(strlen($content) > 0) { $client = $this->Page->CallbackClient; $anchor = (string)time(); $content .= " "; $client->appendContent("messages", $content); $client->focus($anchor); } //refresh the user list $lastUpdate = $this->getViewState('userList',''); $users = ChatUserRecord::finder()->getUserList(); if($lastUpdate != $users) { $this->Page->CallbackClient->update('users', $users); $this->setViewstate('userList', $users); } } } ?>