/**
    * This file Copyright (c) 2011-2018 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.ui.workbench;
  
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.objectfactory.ComponentProvider;
  import info.magnolia.ui.vaadin.integration.contentconnector.JcrContentConnector;
  import info.magnolia.ui.vaadin.integration.contentconnector.JcrContentConnectorDefinition;
  import info.magnolia.ui.vaadin.integration.contentconnector.NodeTypeDefinition;
  import info.magnolia.ui.vaadin.integration.jcr.AbstractJcrNodeAdapter;
  import info.magnolia.ui.vaadin.integration.jcr.JcrNodeAdapter;
  import info.magnolia.ui.vaadin.integration.jcr.JcrPropertyAdapter;
  
  import java.util.List;
  
  import javax.inject.Inject;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.google.common.collect.Lists;
  import com.vaadin.v7.data.Item;
  
  /**
   * Abstract generic logic for content presenters.
   */
  public abstract class AbstractContentPresenter extends AbstractContentPresenterBase {
  
      private static final Logger log = LoggerFactory.getLogger(AbstractContentPresenterBase.class);
  
      @Inject
      public AbstractContentPresenter(ComponentProvider componentProvider) {
          super(componentProvider);
      }
  
      @Override
      public String getIcon(Item item)  {
          try {
              if (item instanceof JcrPropertyAdapter) {
                  return ICON_PROPERTY;
              } else if (item instanceof JcrNodeAdapter) {
                  Node node = ((AbstractJcrNodeAdapter)item).getJcrItem();
                  if (NodeUtil.hasMixin(node, NodeTypes.Deleted.NAME)) {
                      return ICON_TRASH;
                  }
  
                  NodeTypeDefinition nodeTypeDefinition = getNodeTypeDefinitionForNode(node);
                  if (nodeTypeDefinition != null) {
                      return nodeTypeDefinition.getIcon();
                  }
              }
  
          } catch (RepositoryException e) {
              log.warn("Unable to resolve icon", e);
          }
          return null;
      }
  
      @Override
      public void refresh() {
          final List<Object> newSelection = Lists.newLinkedList();
          for (final Object id : getSelectedItemIds()) {
              if (contentConnector.canHandleItem(id)) {
                  newSelection.add(id);
              }
         }
 
         if (newSelection.size() != getSelectedItemIds().size()) {
             select(newSelection);
             setSelectedItemIds(newSelection);
         }
     }
 
     private NodeTypeDefinition getNodeTypeDefinitionForNode(Node node) throws RepositoryException {
         String primaryNodeTypeName = node.getPrimaryNodeType().getName();
         JcrContentConnectorDefinition connectorDefinition = ((JcrContentConnector)contentConnector).getContentConnectorDefinition();
         for (NodeTypeDefinition nodeTypeDefinition : connectorDefinition.getNodeTypes()) {
             if (nodeTypeDefinition.isStrict()) {
                 if (primaryNodeTypeName.equals(nodeTypeDefinition.getName())) {
                     return nodeTypeDefinition;
                 }
             } else if (NodeUtil.isNodeType(node, nodeTypeDefinition.getName())) {
                 return nodeTypeDefinition;
             }
         }
         return null;
     }
 
 }