/**
    * This file Copyright (c) 2013-2015 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.thumbnail;
  
  import info.magnolia.context.MgnlContext;
  import info.magnolia.event.EventBus;
  import info.magnolia.objectfactory.ComponentProvider;
  import info.magnolia.ui.imageprovider.ImageProvider;
  import info.magnolia.ui.vaadin.integration.jcr.JcrItemAdapter;
  import info.magnolia.ui.vaadin.integration.jcr.JcrNodeAdapter;
  import info.magnolia.ui.workbench.AbstractContentPresenter;
  import info.magnolia.ui.workbench.ContentView;
  import info.magnolia.ui.workbench.definition.WorkbenchDefinition;
  import info.magnolia.ui.workbench.thumbnail.ThumbnailContainer.ThumbnailItem;
  
  import java.util.List;
  import java.util.Set;
  
  import javax.inject.Inject;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  import javax.jcr.Session;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.vaadin.data.Item;
  
  /**
   * The ThumbnailPresenter is responsible for creating, configuring and updating a thumbnail grid of items according to the workbench definition.
   */
  public class ThumbnailPresenter extends AbstractContentPresenter implements ThumbnailView.Listener {
  
      private static final Logger log = LoggerFactory.getLogger(ThumbnailPresenter.class);
  
      private final ThumbnailView view;
  
      private final ImageProvider imageProvider;
  
      private ThumbnailContainer container;
  
      @Inject
      public ThumbnailPresenter(final ThumbnailView view, final ImageProvider imageProvider, ComponentProvider componentProvider) {
          super(componentProvider);
          this.view = view;
          this.imageProvider = imageProvider;
      }
  
      @Override
      public ContentView start(WorkbenchDefinition workbench, EventBus eventBus, String viewTypeName) {
          super.start(workbench, eventBus, viewTypeName);
  
          container = new ThumbnailContainer(workbench, imageProvider);
          container.setWorkspaceName(workbench.getWorkspace());
          container.setThumbnailHeight(73);
          container.setThumbnailWidth(73);
  
          view.setListener(this);
          view.setContainer(container);
          view.setThumbnailSize(73, 73);
  
          return view;
      }
  
      @Override
      public void refresh() {
          container.refresh();
          view.refresh();
     }
 
     protected com.vaadin.data.Container getContainer() {
         return container;
     }
 
     @Override
     public void onItemSelection(Set<String> items) {
         super.onItemSelection(items);
     }
 
     @Override
     public void onDoubleClick(Item item) {
         JcrItemAdapter jcrItem = getJcrItemByThumbnailItem(item);
         super.onDoubleClick(jcrItem);
     }
 
     @Override
     public void onRightClick(Item item, int clickX, int clickY) {
         JcrItemAdapter jcrItem = getJcrItemByThumbnailItem(item);
         super.onRightClick(jcrItem, clickX, clickY);
     }
 
     @Override
     public void select(List<String> itemIds) {
         view.select(itemIds);
     }
 
     /**
      * Thumbnail container uses specific Thumbnail items, so we have to convert those into JcrItemAdapters.
      */
     private JcrItemAdapter getJcrItemByThumbnailItem(final Item item) {
         if (item instanceof ThumbnailItem) {
             String itemId = ((ThumbnailItem) item).getItemId();
             try {
                 Session session = MgnlContext.getJCRSession(workbenchDefinition.getWorkspace());
                 final Node imageNode = session.getNodeByIdentifier(itemId);
                 return new JcrNodeAdapter(imageNode);
             } catch (RepositoryException e) {
                 log.error(e.getMessage());
             }
         }
         return null;
     }
 
 }