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.ui.components.collection.present.summary;
  
  import java.math.BigDecimal;
  import java.util.function.Predicate;
  
  import org.apache.wicket.Component;
  import org.apache.wicket.model.IModel;
  import org.apache.wicket.model.Model;
  import org.apache.wicket.model.ResourceModel;
  import org.apache.wicket.request.resource.CssResourceReference;
  
  import org.apache.causeway.commons.internal.assertions._Assert;
  import org.apache.causeway.commons.internal.base._Casts;
  import org.apache.causeway.core.metamodel.spec.ObjectSpecification;
  import org.apache.causeway.core.metamodel.spec.feature.MixedIn;
  import org.apache.causeway.core.metamodel.spec.feature.ObjectAssociation;
  import org.apache.causeway.viewer.commons.model.components.UiComponentType;
  import org.apache.causeway.viewer.wicket.model.models.coll.CollectionModel;
  import org.apache.causeway.viewer.wicket.ui.CollectionContentsAsFactory;
  import org.apache.causeway.viewer.wicket.ui.ComponentFactory;
  import org.apache.causeway.viewer.wicket.ui.ComponentFactoryAbstract;
  
  /**
   * {@link ComponentFactory} for {@link CollectionContentsAsSummary}.
   */
  public class CollectionContentsAsSummaryFactory
  extends ComponentFactoryAbstract
  implements CollectionContentsAsFactory {
  
      private static final String NAME = "summary";
  
      static final Predicate<ObjectAssociation> OF_TYPE_BIGDECIMAL = (final ObjectAssociation objectAssoc) -> {
          var objectSpec = objectAssoc.getElementType();
          return objectSpec.isValue()
                  && objectSpec.getCorrespondingClass().equals(BigDecimal.class);
      };
  
      public CollectionContentsAsSummaryFactory() {
          super(UiComponentType.COLLECTION_CONTENTS, NAME, CollectionContentsAsSummary.class);
      }
  
      @Override
      public ApplicationAdvice appliesTo(final IModel<?> model) {
          final boolean hasAnyBigDecProperty =
              _Casts.castTo(CollectionModel.class, model)
                  .map(CollectionModel::getElementType)
                  .map((final ObjectSpecification elementSpec)->elementSpec.streamAssociations(MixedIn.EXCLUDED)
                          .anyMatch(OF_TYPE_BIGDECIMAL))
                  .orElse(false);
          return appliesIf(hasAnyBigDecProperty);
      }
  
      @Override
      public Component createComponent(final String id, final IModel<?> model) {
          _Assert.assertNullableObjectIsInstanceOf(model, CollectionModel.class);
          final CollectionModel collectionModel = (CollectionModel) model;
          return new CollectionContentsAsSummary(id, collectionModel);
      }
  
      @Override
      public CssResourceReference getCssResourceReference() {
          // do not bundle, because of relative CSS images...
          return null;
      }
  
      @Override
      public IModel<String> getTitleLabel() {
          return new ResourceModel("CollectionContentsAsSummaryFactory.Summary", "Summary");
      }
  
      @Override
      public IModel<String> getCssClass() {
          return Model.of("fa fa-fw fa-usd");
      }
  
      @Override
      public int orderOfAppearanceInUiDropdown() {
          return 1700;
      }
  
  }
  