/**
    * This file Copyright (c) 2010-2014 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.pages.app.action;
  
  import info.magnolia.commands.CommandsManager;
  import info.magnolia.event.EventBus;
  import info.magnolia.i18nsystem.SimpleTranslator;
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.ui.api.context.UiContext;
  import info.magnolia.ui.api.event.AdmincentralEventBus;
  import info.magnolia.ui.api.location.LocationController;
  import info.magnolia.ui.contentapp.browser.action.RestoreItemPreviousVersionAction;
  import info.magnolia.ui.contentapp.detail.DetailLocation;
  import info.magnolia.ui.contentapp.detail.DetailView;
  import info.magnolia.ui.vaadin.integration.jcr.JcrItemAdapter;
  
  import java.util.List;
  
  import javax.inject.Named;
  import javax.jcr.Node;
  
  /**
   * Restores the previous version of a page using a command.
   */
  public class RestorePreviousVersionAction extends RestoreItemPreviousVersionAction<RestorePreviousVersionActionDefinition> {
  
      private final LocationController locationController;
  
      public RestorePreviousVersionAction(RestorePreviousVersionActionDefinition definition, JcrItemAdapter item, CommandsManager commandsManager, @Named(AdmincentralEventBus.NAME) EventBus eventBus, UiContext uiContext, SimpleTranslator i18n, LocationController locationController) {
          super(definition, item, commandsManager, eventBus, uiContext, i18n);
          this.locationController = locationController;
      }
  
      public RestorePreviousVersionAction(RestorePreviousVersionActionDefinition definition, List<JcrItemAdapter> items, CommandsManager commandsManager, @Named(AdmincentralEventBus.NAME) EventBus eventBus, UiContext uiContext, SimpleTranslator i18n, LocationController locationController) {
          super(definition, items, commandsManager, eventBus, uiContext, i18n);
          this.locationController = locationController;
      }
  
  
      @Override
      protected void onPostExecute() throws Exception {
          super.onPostExecute();
  
          Node node = (Node) getCurrentItem().getJcrItem();
          boolean restoreMultiple = getItems().size() > 1 || NodeUtil.getNodes(node, NodeTypes.Page.NAME).iterator().hasNext();
  
          // Show preview only if one page is restored
          if (((RestorePreviousVersionActionDefinition) getDefinition()).isShowPreview() && !restoreMultiple) {
              DetailLocation location = new DetailLocation("pages", "detail", DetailView.ViewType.EDIT, node.getPath(), "");
              locationController.goTo(location);
          }
      }
  }