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.tree;
  
  import org.apache.wicket.Component;
  import org.apache.wicket.model.IModel;
  
  import org.apache.causeway.core.metamodel.object.ManagedObjects;
  import org.apache.causeway.viewer.commons.model.components.UiComponentType;
  import org.apache.causeway.viewer.wicket.model.models.UiAttributeWkt;
  import org.apache.causeway.viewer.wicket.model.models.ValueModel;
  import org.apache.causeway.viewer.wicket.ui.ComponentFactory;
  import org.apache.causeway.viewer.wicket.ui.ComponentFactoryAbstract;
  import org.apache.causeway.viewer.wicket.ui.components.attributes.AttributeComponentFactory;
  
  /**
   * {@link ComponentFactory} for {@link TreeAttributePanel}.
   */
  public class TreePanelFactories {
  
      // -- FACTORIES
  
      public static ComponentFactory parented() {
          return new Parented();
      }
  
      public static ComponentFactory standalone() {
          return new Standalone();
      }
  
      // -- PARENTED
  
      static class Parented extends AttributeComponentFactory {
  
          public Parented() {
              super(TreeAttributePanel.class);
          }
  
          @Override
          protected ApplicationAdvice appliesTo(final UiAttributeWkt attributeModel) {
              return appliesIf(attributeModel.isElementTypeSubtypeOf(org.apache.causeway.applib.graph.tree.TreeNode.class)
                      && !attributeModel.hasChoices());
          }
  
          @Override
          protected Component createComponent(final String id, final UiAttributeWkt attributeModel) {
              return new TreeAttributePanel(id, attributeModel);
          }
  
      }
  
      // -- STANDALONE
  
      static class Standalone extends ComponentFactoryAbstract {
  
          public Standalone() {
              super(UiComponentType.VALUE, StandaloneTreePanel.class);
          }
  
          @Override
          public ApplicationAdvice appliesTo(final IModel<?> model) {
              return model instanceof ValueModel valueModel
                  ? appliesIf(ManagedObjects.correspondingClass(valueModel.getObject())
                      .map(org.apache.causeway.applib.graph.tree.TreeNode.class::isAssignableFrom)
                      .orElse(false))
                  : ApplicationAdvice.DOES_NOT_APPLY;
          }
  
          @Override
          public final Component createComponent(final String id, final IModel<?> model) {
              return new StandaloneTreePanel(id, (ValueModel) model);
          }
      }
  
  }
  