protected boolean isTypeableTarget ( Component target ) { return target . isShowing ( ) && ( ( ( target instanceof JTextComponent ) && ( ( JTextComponent ) target ) . isEditable ( ) ) || ( target instanceof JComboBox ) || ( target instanceof JTable ) || ( target instanceof JRootPane ) ) ; }
Returns true if the specified target component supports being typed into and thus we shouldn t steal focus away from it if the user starts typing .