/**
    * This file Copyright (c) 2013-2014 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.context.MgnlContext;
  import info.magnolia.event.EventBus;
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.ui.api.action.AbstractAction;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.api.app.SubAppEventBus;
  import info.magnolia.ui.api.event.ContentChangedEvent;
  import info.magnolia.ui.vaadin.gwt.client.shared.AreaElement;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  import javax.jcr.Session;
  
  /**
   * Creates an area which was optional and not yet existing.
   *
   * @see CreateAreaAction
   */
  public class CreateAreaAction extends AbstractAction<CreateAreaActionDefinition> {
  
      private AreaElement area;
      private EventBus eventBus;
  
      @Inject
      public CreateAreaAction(CreateAreaActionDefinition definition, AreaElement area, @Named(SubAppEventBus.NAME) EventBus eventBus) {
          super(definition);
          this.area = area;
          this.eventBus = eventBus;
      }
  
      @Override
      public void execute() throws ActionExecutionException {
          String workspace =area.getWorkspace();
          String path = area.getPath();
          int index = path.lastIndexOf("/");
          String parent = path.substring(0, index);
          String relPath = path.substring(index + 1);
  
          try {
              Session session = MgnlContext.getJCRSession(workspace);
  
              Node parentNode = session.getNode(parent);
  
              Node newNode = NodeUtil.createPath(parentNode, relPath, NodeTypes.Area.NAME);
              session.save();
  
              eventBus.fireEvent(new ContentChangedEvent(workspace, path));
          } catch (RepositoryException e) {
              throw new ActionExecutionException(e);
          }
      }
  }