void () { toClassRadioButton.addActionListener(e -> enableTargetChooser()); toObjectRadioButton.addActionListener(e -> enableTargetChooser()); if (variables.length != 0 && !(targetContainer instanceof KtObjectDeclaration)) { toClassRadioButton.setSelected(true); } else { toObjectRadioButton.setSelected(true); if (variables.length == 0) { toClassRadioButton.setEnabled(false); } } enableTextFields(); enableTargetChooser(); }