// ---- component views ----
mainFrame = new MainFrame();
((BasicWindowHandler) getWindowHandler()).setDefaultBorrower( mainFrame );
final AppWindow ctrlRoom = new ControlRoomFrame();
final AppWindow observer = new ObserverPalette();
// means no preferences found, so
// do some more default initializations
// and display splash screen
if( prefsVersion == 0.0 ) {
ctrlRoom.setVisible( true );
observer.setVisible( true );
if( cache.getFolder().isDirectory() ) {
cache.setActive( true );
}
new WelcomeScreen( this );