/***************************************************************************
    * 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.ecm.webui.component.explorer.rightclick.manager;
  
  import java.util.Arrays;
  import java.util.List;
  
  import javax.jcr.Node;
  import javax.jcr.Session;
  
  import org.exoplatform.ecm.webui.component.explorer.UIJCRExplorer;
  import org.exoplatform.ecm.webui.component.explorer.UIWorkingArea;
  import org.exoplatform.ecm.webui.component.explorer.control.filter.IsNotInTrashFilter;
  import org.exoplatform.ecm.webui.component.explorer.control.filter.IsNotTrashHomeNodeFilter;
  import org.exoplatform.ecm.webui.component.explorer.control.listener.UIWorkingAreaActionListener;
  import org.exoplatform.ecm.webui.utils.JCRExceptionManager;
  import org.exoplatform.services.cms.actions.ActionServiceContainer;
  import org.exoplatform.services.log.ExoLogger;
  import org.exoplatform.services.log.Log;
  import org.exoplatform.web.application.ApplicationMessage;
  import org.exoplatform.webui.config.annotation.ComponentConfig;
  import org.exoplatform.webui.config.annotation.EventConfig;
  import org.exoplatform.webui.core.UIApplication;
  import org.exoplatform.webui.core.UIComponent;
  import org.exoplatform.webui.event.Event;
  import org.exoplatform.webui.ext.filter.UIExtensionFilter;
  import org.exoplatform.webui.ext.filter.UIExtensionFilters;
  import org.exoplatform.webui.ext.manager.UIAbstractManager;
  import org.exoplatform.webui.ext.manager.UIAbstractManagerComponent;
  
  /**
   * Created by The eXo Platform SARL
   * Author : Hoang Van Hung
   *          hunghvit@gmail.com
   * Aug 6, 2009
   */
  
  @ComponentConfig(
      events = {
        @EventConfig(listeners = CustomManageComponent.CustomActionListener.class)
      }
  )
  public class CustomManageComponent extends UIAbstractManagerComponent {
  
    private static final List<UIExtensionFilter> FILTERS
        = Arrays.asList(new UIExtensionFilter[]{new IsNotInTrashFilter(),
                                                new IsNotTrashHomeNodeFilter() });
    private final static Log       LOG  = ExoLogger.getLogger(CustomManageComponent.class.getName());
  
    @UIExtensionFilters
    public List<UIExtensionFilter> getFilters() {
      return FILTERS;
    }
  
    public static void customManage(Event<? extends UIComponent> event, UIJCRExplorer uiExplorer,
        UIApplication uiApp) throws Exception {
      UIWorkingArea uicomp = event.getSource().getParent();
      String nodePath = event.getRequestContext().getRequestParameter(OBJECTID);
      String actionName = event.getRequestContext().getRequestParameter("actionName");
      String wsName = event.getRequestContext().getRequestParameter(UIWorkingArea.WS_NAME);
      Session session = uiExplorer.getSessionByWorkspace(wsName);
      ActionServiceContainer actionService =
        uicomp.getApplicationComponent(ActionServiceContainer.class);
      try {
        Node node = uiExplorer.getNodeByPath(nodePath, session);
        String userId = event.getRequestContext().getRemoteUser();
        actionService.executeAction(userId, node, actionName);
        Object[] arg = { actionName };
        uiApp.addMessage(new ApplicationMessage("UIWorkingArea.msg.execute-successfully", arg));
        
        uiExplorer.updateAjax(event);
      } catch (Exception e) {
        if (LOG.isErrorEnabled()) {
          LOG.error("an unexpected error occurs while calling custom action on the node", e);
        }
        JCRExceptionManager.process(uiApp, e);
        
        uiExplorer.updateAjax(event);
      }
    }
  
    public static class CustomActionListener extends UIWorkingAreaActionListener<CustomManageComponent> {
      public void processEvent(Event<CustomManageComponent> event) throws Exception {
        UIJCRExplorer uiExplorer = event.getSource().getAncestorOfType(UIJCRExplorer.class);
       UIApplication uiApp = event.getSource().getAncestorOfType(UIApplication.class);
       customManage(event, uiExplorer, uiApp);
     }
   }
 
   @Override
   public Class<? extends UIAbstractManager> getUIAbstractManagerClass() {
     return null;
   }
 
 }