/*
    * 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.List;
  
  import org.exoplatform.ecm.webui.component.explorer.UIDocumentWorkspace;
  import org.exoplatform.ecm.webui.component.explorer.UIDrivesArea;
  import org.exoplatform.ecm.webui.component.explorer.UIJCRExplorer;
  import org.exoplatform.ecm.webui.component.explorer.UIWorkingArea;
  import org.exoplatform.ecm.webui.component.explorer.control.listener.UIActionBarActionListener;
  import org.exoplatform.webui.config.annotation.ComponentConfig;
  import org.exoplatform.webui.config.annotation.EventConfig;
  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;
  
  /**
   * Created by The eXo Platform SAS
   * Author : eXoPlatform
   *          benjamin.paillereau@exoplatform.com
   * 27 june 2010
   */
  @ComponentConfig(
      events = {
          @EventConfig(listeners = ShowDrivesAction.ShowDrivesActionListener.class)
      }
  )
  public class ShowDrivesAction extends UIComponent {
  
    private static final List<UIExtensionFilter> FILTERS = Arrays.asList(
        new UIExtensionFilter[] {});
  
    @UIExtensionFilters
    public List<UIExtensionFilter> getFilters() {
      return FILTERS;
    }
    public static class ShowDrivesActionListener extends UIActionBarActionListener<ShowDrivesAction> {
  
      @Override
      protected void processEvent(Event<ShowDrivesAction> event) throws Exception {
        UIJCRExplorer uiExplorer = event.getSource().getAncestorOfType(UIJCRExplorer.class);
          UIWorkingArea uiWorkingArea = uiExplorer.getChild(UIWorkingArea.class);
          UIDrivesArea uiDriveArea = uiWorkingArea.getChild(UIDrivesArea.class);
          if (uiDriveArea.isRendered()) {
          uiDriveArea.setRendered(false);
          uiWorkingArea.getChild(UIDocumentWorkspace.class).setRendered(true);
          } else {
          uiDriveArea.setRendered(true);
          uiWorkingArea.getChild(UIDocumentWorkspace.class).setRendered(false);
          }
          event.getRequestContext().addUIComponentToUpdateByAjax(uiWorkingArea) ;
      }
    }
  }