/**
    * This file Copyright (c) 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.vaadin.layout;
  
  import info.magnolia.ui.vaadin.gwt.shared.Range;
  import info.magnolia.ui.vaadin.layout.data.ThumbnailContainer;
  
  import java.util.List;
  
  import com.vaadin.server.Resource;
  import com.vaadin.ui.IconGenerator;
  import com.vaadin.ui.ItemCaptionGenerator;
  import com.vaadin.v7.data.Container;
  import com.vaadin.v7.data.Container.Ordered;
  
  /**
   *
   * References to 'thumbnail' in method or class names might remain.
   *
   * @deprecated since 6.2 - use {@link LazyThumbnailLayout} instead.
   */
  @Deprecated
  public class CompatibilityThumbnailLayout extends LazyLayout<Object> implements Container.Viewer, Container.ItemSetChangeListener {
  
      private ThumbnailContainer container;
  
      @Override
      public void setContainerDataSource(Container newDataSource) {
          if (!(newDataSource instanceof ThumbnailContainer)) {
              throw new IllegalArgumentException("Container must implement info.magnolia.ui.vaadin.layout.data.ThumbnailContainer...");
          }
  
          if (this.container instanceof Container.ItemSetChangeNotifier) {
              ((Container.ItemSetChangeNotifier) this.container).removeItemSetChangeListener(this);
          }
  
          this.container = (ThumbnailContainer) newDataSource;
  
          if (this.container instanceof Container.ItemSetChangeNotifier) {
              ((Container.ItemSetChangeNotifier) this.container).addItemSetChangeListener(this);
          }
  
          refresh();
      }
  
      @Override
      public Ordered getContainerDataSource() {
          return container;
      }
  
      public void setSelectedItemId(Object selectedItemId) {
          if (selectedItemId == null) {
              this.getState().selection.selectedIndices.clear();
          } else {
              this.getState().selection.toggleSelection(-1);
              this.getState().selection.toggleSelection(container.indexOfId(selectedItemId));
          }
  
          updateSelectionIndices();
      }
  
      @Override
      public void containerItemSetChange(Container.ItemSetChangeEvent event) {
          refresh();
      }
  
      @Override
      protected ItemCaptionGenerator<Object> getItemCaptionGenerator() {
         return item -> String.valueOf(this.container.getCaptionProperty(item).getValue());
     }
 
     @Override
     protected IconGenerator<Object> getItemResourceGenerator() {
         return id -> {
             ThumbnailContainernfo/magnolia/ui/vaadin/layout/data/ThumbnailContainer.html#ThumbnailContainer">ThumbnailContainer container = ((ThumbnailContainer) this.getContainerDataSource());
             final Object resource = container.getThumbnailProperty(id).getValue();
             boolean isRealResource = resource instanceof Resource;
             if (isRealResource) {
                 return (Resource) resource;
             }
             return null;
         };
     }
 
     @Override
     public int size() {
         return this.container.size();
     }
 
     @Override
     protected List fetchItems(Range added) {
         return container.getItemIds(added.getStart(), added.length());
     }
 }