/*
    * Copyright (C) 2003-2009 eXo Platform SAS.
    *
    * This program is free software; you can redistribute it and/or
    * modify it under the terms of the GNU Affero General Public License
    * as published by the Free Software Foundation; either version 3
    * of the License, or (at your option) any later version.
    *
    * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, see<http://www.gnu.org/licenses/>.
   */
  package org.exoplatform.wcm.extensions.ui;
  
  import java.util.Arrays;
  import java.util.HashMap;
  import java.util.List;
  
  import javax.jcr.Node;
  
  import org.exoplatform.ecm.webui.component.explorer.UIJCRExplorer;
  import org.exoplatform.ecm.webui.component.explorer.control.filter.CanAddNodeFilter;
  import org.exoplatform.ecm.webui.component.explorer.control.filter.IsCheckedOutFilter;
  import org.exoplatform.ecm.webui.component.explorer.control.filter.IsNotLockedFilter;
  import org.exoplatform.ecm.webui.component.explorer.control.filter.IsNotEditingDocumentFilter;
  import org.exoplatform.ecm.webui.component.explorer.control.listener.UIActionBarActionListener;
  import org.exoplatform.services.ecm.publication.PublicationService;
  import org.exoplatform.services.wcm.utils.WCMCoreUtils;
  import org.exoplatform.webui.config.annotation.ComponentConfig;
  import org.exoplatform.webui.config.annotation.EventConfig;
  import org.exoplatform.webui.core.UIComponent;
  import org.exoplatform.webui.core.UIPopupContainer;
  import org.exoplatform.webui.event.Event;
  import org.exoplatform.webui.ext.filter.UIExtensionFilter;
  import org.exoplatform.webui.ext.filter.UIExtensionFilters;
  
  /**
   * Created by The eXo Platform SAS
   * Author : eXoPlatform
   *          benjamin.paillereau@exoplatform.com
   * 27 june 2010
   */
  @ComponentConfig(events = {
      @EventConfig(listeners = PublicationRequestApprovalAction.PublicationRequestApprovalActionListener.class) })
  public class PublicationRequestApprovalAction extends UIComponent {
  
    private static final List<UIExtensionFilter> FILTERS = Arrays.asList(new UIExtensionFilter[] {
        new CanAddNodeFilter(), new IsNotLockedFilter(), new IsCheckedOutFilter(),
        new CanValidateFilter(), new IsNotEditingDocumentFilter()});
  
    @UIExtensionFilters
    public List<UIExtensionFilter> getFilters() {
      return FILTERS;
    }
  
    public static class PublicationRequestApprovalActionListener
                                                                extends
                                                                UIActionBarActionListener<PublicationRequestApprovalAction> {
  
      @Override
      protected void processEvent(Event<PublicationRequestApprovalAction> event) throws Exception {
        UIJCRExplorer uiExplorer = event.getSource().getAncestorOfType(UIJCRExplorer.class);
        PublicationService publicationService = WCMCoreUtils.getService(PublicationService.class);
        Node node = uiExplorer.getCurrentNode();
        HashMap<String, String> context = new HashMap<String, String>();
  
        publicationService.changeState(node, "pending", context);
  
        UIPopupContainer UIPopupContainer = uiExplorer.getChild(UIPopupContainer.class);
        event.getRequestContext().addUIComponentToUpdateByAjax(UIPopupContainer);
        event.getRequestContext().addUIComponentToUpdateByAjax(uiExplorer);
  
      }
    }
  }