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.coll;
  
  import java.util.Optional;
  
  import org.apache.wicket.model.IModel;
  
  import org.jspecify.annotations.Nullable;
  
  import org.apache.causeway.commons.binding.Bindable;
  import org.apache.causeway.core.metamodel.tabular.DataRow;
  import org.apache.causeway.core.metamodel.tabular.DataTableInteractive;
  
  /**
   * Boolean {@link IModel} to bind to the associated {@link DataTableInteractive}'s
   * {@link DataRow} model to handle check-box selection.
   */
  public record DataRowToggleWkt(
      IModel<DataRow> delegate) implements IModel<Boolean> {
  
      @Override
      public final Boolean getObject() {
          return getBindable(modelObject())
              .map(Bindable::getValue)
              .orElse(null);
      }
  
      @Override
      public final void setObject(final Boolean value) {
          getBindable(modelObject())
              .ifPresent(bindable->bindable.setValue(value));
      }
  
      private Optional<Bindable<Boolean>> getBindable(
          final @Nullable DataRow dataRow) {
          return dataRow!=null
              ? Optional.ofNullable(dataRow.selectToggleBindable())
              : Optional.empty();
      }
  
      /**
       * For DataRowToggleWkt returns its DataRow.
       */
      private DataRow modelObject() {
          return delegate.getObject();
      }
  
  }
  