public void startEditor()
{
OpenClassMessagesMediator msgMed = new OpenClassMessagesMediator();
EditorFrame frame = new EditorFrame(msgMed,classroomName);
addLength();
msgMed.setEditorInfo(frame.data.ei);
frame.setVisible(true);
new Thread(new MsgFromServerReader(readFromServerQueue,frame.data.ei)).start();
}