/*
    * Copyright (C) 2003-2007 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.versions;
  
  import org.exoplatform.ecm.webui.component.explorer.UIDocumentWorkspace;
  import org.exoplatform.ecm.webui.component.explorer.UIJCRExplorer;
  import org.exoplatform.ecm.webui.component.explorer.UIWorkingArea;
  import org.exoplatform.ecm.webui.utils.Utils;
  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.UIContainer;
  import org.exoplatform.webui.core.UIPopupComponent;
  import org.exoplatform.webui.core.UIPopupContainer;
  import org.exoplatform.webui.event.Event;
  import org.exoplatform.webui.event.EventListener;
  
  import javax.jcr.AccessDeniedException;
  import javax.jcr.Node;
  
  /**
   * Created by The eXo Platform SARL
   * Author : trongtt
   *          trongtt@gmail.com
   * Oct 16, 2006
   * 14:07:15
   */
  
  @ComponentConfig(
      type = UIActivateVersion.class,
      template = "app:/groovy/webui/component/explorer/versions/UIActivateVersion.gtmpl",
      events = {
          @EventConfig(listeners = UIActivateVersion.EnableVersionActionListener.class),
          @EventConfig(listeners = UIActivateVersion.CancelActionListener.class)
      }
  )
  
  public class UIActivateVersion extends UIContainer implements UIPopupComponent {
  
    public UIActivateVersion() throws Exception {}
  
    public void activate() {}
    public void deActivate() {}
  
    static public class EnableVersionActionListener extends EventListener<UIActivateVersion> {
      public void execute(Event<UIActivateVersion> event) throws Exception {
        UIActivateVersion uiActivateVersion = event.getSource();
        UIJCRExplorer uiExplorer = uiActivateVersion.getAncestorOfType(UIJCRExplorer.class) ;
        Node currentNode = uiExplorer.getCurrentNode() ;
        uiExplorer.addLockToken(currentNode);
        try {
          currentNode.addMixin(Utils.MIX_VERSIONABLE);
          currentNode.save() ;
          UIWorkingArea uiWorkingArea = uiExplorer.getChild(UIWorkingArea.class);
          UIDocumentWorkspace uiDocumentWorkspace = uiWorkingArea.getChild(UIDocumentWorkspace.class);
          UIVersionInfo uiVersionInfo = uiDocumentWorkspace.getChild(UIVersionInfo.class);
          uiVersionInfo.setCurrentNode(currentNode);
          uiVersionInfo.setRootOwner(currentNode.getProperty("exo:lastModifier").getString());
          uiVersionInfo.activate();
          uiDocumentWorkspace.setRenderedChild(UIVersionInfo.class);
          UIPopupContainer UIPopupContainer = uiExplorer.getChild(UIPopupContainer.class);
          UIPopupContainer.deActivate();
          event.getRequestContext().addUIComponentToUpdateByAjax(uiExplorer);
        }
        catch (AccessDeniedException ex) {
          UIApplication uiApp = uiExplorer.getAncestorOfType(UIApplication.class);
          uiApp.addMessage(new ApplicationMessage("UIActivateVersion.msg.access-denied",null,ApplicationMessage.WARNING)) ;
        }
      }
    }
  
    static  public class CancelActionListener extends EventListener<UIActivateVersion> {
      public void execute(Event<UIActivateVersion> event) throws Exception {
        UIJCRExplorer uiExplorer = event.getSource().getAncestorOfType(UIJCRExplorer.class) ;
        uiExplorer.cancelAction() ;
      }
    }
  }