content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *        http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
   *  specific language governing permissions and limitations
   *  under the License.
   */
  package org.apache.causeway.viewer.wicket.model.models;
  
  import org.apache.wicket.model.IModel;
  import org.apache.wicket.model.Model;
  
  import org.apache.causeway.core.metamodel.objectmanager.memento.ObjectMemento;
  
  /**
   * For widgets that use a <tt>org.wicketstuff.select2.Select2Choice</tt>;
   * synchronizes the {@link Model} of the <tt>Select2Choice</tt>
   * with the parent {@link UiAttributeWkt}.
   */
  //@Log4j2
  public record SingleChoiceModel(
      /**
       * chaining idiom: the {@link UiAttributeWkt} we are chained to
       */
      UiAttributeWkt attributeModel)
  implements
      IModel<ObjectMemento>,
      AttributeModelWithChoice<ObjectMemento> {
  
      @Override
      public ObjectMemento getObject() {
          return pendingValue().getValue().getValue().getMemento().orElseThrow();
      }
  
      @Override
      public void setObject(final ObjectMemento memento) {
          pendingValue().getValue().setValue(
                  getObjectManager().demementify(memento));
      }
  
      @Override
      public void detach() {
          attributeModel.detach();
      }
  
  }
  