/*
    * 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.control.action;
  
  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.component.explorer.control.filter.*;
  import org.exoplatform.ecm.webui.component.explorer.control.listener.UIActionBarActionListener;
  import org.exoplatform.ecm.webui.component.explorer.versions.UIActivateVersion;
  import org.exoplatform.ecm.webui.component.explorer.versions.UIVersionInfo;
  import org.exoplatform.ecm.webui.utils.Utils;
  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;
  
  import javax.jcr.Node;
  import java.util.Arrays;
  import java.util.List;
  
  /**
   * Created by The eXo Platform SAS
   * Author : eXoPlatform
   *          nicolas.filotto@exoplatform.com
   * 6 mai 2009
   */
  @ComponentConfig(
       events = {
         @EventConfig(listeners = ManageVersionsActionComponent.ManageVersionsActionListener.class)
       }
   )
  public class ManageVersionsActionComponent extends UIComponent {
  
    private static final List<UIExtensionFilter> FILTERS = Arrays.asList(new UIExtensionFilter[] {
        new IsNotRootNodeFilter("UIActionBar.msg.cannot-enable-version-rootnode"),
        new CanSetPropertyFilter(), new IsNotLockedFilter(), new CanEnableVersionFilter(),
        new IsNotEditingDocumentFilter(), new IsNotFolderFilter(), new IsNotIgnoreVersionNodeFilter()
        }
    );
  
    @UIExtensionFilters
    public List<UIExtensionFilter> getFilters() {
      return FILTERS;
    }
  
    public static class ManageVersionsActionListener extends UIActionBarActionListener<ManageVersionsActionComponent> {
      public void processEvent(Event<ManageVersionsActionComponent> event) throws Exception {
        UIJCRExplorer uiExplorer = event.getSource().getAncestorOfType(UIJCRExplorer.class);
        UIPopupContainer UIPopupContainer = uiExplorer.getChild(UIPopupContainer.class);
        Node currentNode = uiExplorer.getCurrentNode();
        uiExplorer.setIsHidePopup(false);
        if (currentNode.canAddMixin(Utils.MIX_VERSIONABLE)) {
          UIPopupContainer.activate(UIActivateVersion.class, 400);
          event.getRequestContext().addUIComponentToUpdateByAjax(UIPopupContainer);
        } else if (currentNode.isNodeType(Utils.MIX_VERSIONABLE)) {
          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);
          event.getRequestContext().addUIComponentToUpdateByAjax(uiDocumentWorkspace);
        }
      }
    }
  }