src/main/java/eu/etaxonomy/vaadin/component/NestedFieldGroup.java

   1 /**
   2 * Copyright (C) 2017 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.vaadin.component;
  10
  11 import java.util.Optional;
  12
  13 import com.vaadin.data.fieldgroup.FieldGroup;
  14
  15 /**
  16  * @author a.kohlbecker
  17  * @since May 12, 2017
  18  */
  19 public interface NestedFieldGroup {
  20
  21     /**
  22      * Implementations return the local fieldGroup
  23      *
  24      * @return the FieldGroup, may be <code>null</code>.
  25      */
  26     public abstract Optional<FieldGroup> getFieldGroup();
  27
  28     public abstract void registerParentFieldGroup(FieldGroup parent);
  29
  30     public abstract void unregisterParentFieldGroup(FieldGroup parent);
  31
  32 }