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;
  
  import org.apache.wicket.feedback.ComponentFeedbackMessageFilter;
  
  import org.apache.causeway.commons.collections.Can;
  import org.apache.causeway.core.metamodel.tabular.DataTableInteractive;
  import org.apache.causeway.viewer.commons.model.components.UiComponentType;
  import org.apache.causeway.viewer.wicket.model.models.ActionModel;
  import org.apache.causeway.viewer.wicket.model.models.coll.CollectionModelParented;
  import org.apache.causeway.viewer.wicket.ui.components.attributes.AttributePanel;
  import org.apache.causeway.viewer.wicket.ui.components.collection.selector.CollectionPresentationSelectorPanel;
  import org.apache.causeway.viewer.wicket.ui.components.collection.selector.CollectionPresentationSelectorProvider;
  import org.apache.causeway.viewer.wicket.ui.panels.PanelAbstract;
  
  import lombok.Getter;
  import lombok.Setter;
  
  import de.agilecoders.wicket.core.markup.html.bootstrap.common.NotificationPanel;
  
  /**
   * Panel for rendering entity collection; analogous to (any concrete subclass
   * of) {@link AttributePanel}.
   */
  public class CollectionPanel
  extends PanelAbstract<DataTableInteractive, CollectionModelParented>
  implements
      CollectionPresentationSelectorProvider {
  
      private static final long serialVersionUID = 1L;
  
      private static final String ID_FEEDBACK = "feedback";
  
      @Getter @Setter private CollectionPresentationSelectorPanel selectorDropdownPanel;
  
      public CollectionPanel(
              final String id,
              final CollectionModelParented collectionModel) {
          super(id, collectionModel);
  
          var collMetaModel = getModel().getMetaModel();
  
          var associatedActions = collMetaModel.streamAssociatedActions()
          .map(act->ActionModel.forCollection(act, collectionModel))
          .collect(Can.toCan());
  
          collectionModel.setLinkAndLabels(associatedActions);
      }
  
      @Override
      protected void onInitialize() {
          super.onInitialize();
          buildGui();
      }
  
      private void buildGui() {
          var collectionContents = getComponentFactoryRegistry()
                  .addOrReplaceComponent(this, UiComponentType.COLLECTION_CONTENTS, getModel());
  
          addOrReplace(new NotificationPanel(ID_FEEDBACK, collectionContents,
                  new ComponentFeedbackMessageFilter(collectionContents)));
  
          setOutputMarkupId(true);
      }
  
  }
  