called when the user clicks cancel . concode_field_sep TextField streetField concode_elem_sep TextField cityField concode_elem_sep TextField birthdayField concode_elem_sep TextField postalCodeField concode_elem_sep Stage dialogStage concode_elem_sep Person person concode_elem_sep boolean okClicked concode_elem_sep TextField lastNameField concode_elem_sep TextField firstNameField concode_field_sep boolean isInputValid concode_elem_sep void setDialogStage concode_elem_sep void setPerson concode_elem_sep void initialize concode_elem_sep boolean isOkClicked concode_elem_sep void handleOk
void function ( ) { dialogStage . close ( ) ; }