/*
    * 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.admin.unlock;
  
  import java.util.List;
  
  import org.exoplatform.commons.utils.LazyPageList;
  import org.exoplatform.commons.utils.ListAccess;
  import org.exoplatform.commons.utils.ListAccessImpl;
  import org.exoplatform.ecm.webui.core.UIPagingGridDecorator;
  import org.exoplatform.services.cms.lock.LockService;
  import org.exoplatform.webui.config.annotation.ComponentConfig;
  import org.exoplatform.webui.config.annotation.EventConfig;
  import org.exoplatform.webui.event.Event;
  import org.exoplatform.webui.event.EventListener;
  
  /**
   * Created by The eXo Platform SARL
   * Author : Dang Van Minh
   *          minh.dang@exoplatform.com
   * Dec 29, 2006
   * 11:30:17 AM
   */
  @ComponentConfig(
      template = "app:/groovy/webui/component/admin/unlock/UILockList.gtmpl",
      events = {
          @EventConfig(listeners = UILockList.DeleteLockActionListener.class)
      }
  )
  public class UILockList extends UIPagingGridDecorator {
    final static public String[] ACTIONS = {};
  
    final static public String   ST_EDIT = "EditUnLockForm";
  
    public UILockList() throws Exception {
      getUIPageIterator().setId("LockListIterator");
    }
  
    public String[] getActions() {
      return ACTIONS;
    }
  
    public void refresh(int currentPage) throws Exception {
      ListAccess<String> groupsAndUsersForLockList = new ListAccessImpl<String>(String.class,
                                                                                getAllGroupsOrUsersForLock());
      LazyPageList<String> pageList = new LazyPageList<String>(groupsAndUsersForLockList,
                                                               getUIPageIterator().getItemsPerPage());
      getUIPageIterator().setPageList(pageList);
      if (currentPage > getUIPageIterator().getAvailablePage())
        getUIPageIterator().setCurrentPage(getUIPageIterator().getAvailablePage());
      else
        getUIPageIterator().setCurrentPage(currentPage);
    }
  
    public List getGroupsOrUsersForLock() throws Exception {
      return getUIPageIterator().getCurrentPageData();
    }
  
    public List<String> getAllGroupsOrUsersForLock() throws Exception {
      LockService lockService = getApplicationComponent(LockService.class);
  
      return lockService.getAllGroupsOrUsersForLock();
    }
  
    static public class DeleteLockActionListener extends EventListener<UILockList> {
      public void execute(Event<UILockList> event) throws Exception {
        UIUnLockManager uiUnLockManager = event.getSource().getParent();
        String settingLock = event.getRequestContext().getRequestParameter(OBJECTID);
        LockService lockService = uiUnLockManager.getApplicationComponent(LockService.class);
        lockService.removeGroupsOrUsersForLock(settingLock);
        UILockList uiLockList = uiUnLockManager.getChild(UILockList.class);
        uiLockList.refresh(uiLockList.getUIPageIterator().getCurrentPage());
        event.getRequestContext().addUIComponentToUpdateByAjax(uiUnLockManager);
      }
    }
  }