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.extensions.fullcalendar.wkt.ui.viewer.calendarable;
  
  import java.util.LinkedHashSet;
  import java.util.Set;
  import java.util.stream.Collectors;
  
  import org.apache.causeway.commons.internal.base._NullSafe;
  import org.apache.causeway.core.metamodel.object.ManagedObject;
  import org.apache.causeway.extensions.fullcalendar.wkt.integration.fc.EventProvider;
  import org.apache.causeway.extensions.fullcalendar.wkt.ui.viewer.CalendaredCollectionAbstract;
  import org.apache.causeway.viewer.wicket.model.models.coll.CollectionModel;
  
  public class CalendarableCollectionAsFullCalendar
  extends CalendaredCollectionAbstract {
  
      private static final long serialVersionUID = 1L;
  
      public CalendarableCollectionAsFullCalendar(final String id, final CollectionModel model) {
          super(id, model);
      }
  
      @Override
      protected EventProvider newEventProvider(
              final CollectionModel model,
              final String calendarName) {
          return new CalendarableEventProvider(model, calendarName);
      }
  
      @Override
      protected Set<String> getCalendarNames(final Iterable<ManagedObject> entityList) {
          return _NullSafe.stream(entityList)
                  .map(CalendarableEventProvider::getCalendarNames)
                  .flatMap(_NullSafe::stream)
                  .collect(Collectors.toCollection(LinkedHashSet::new));
      }
  
  }
  