/*
    * 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.sidebar;
  
  import org.exoplatform.ecm.webui.component.explorer.UIJCRExplorer;
  import org.exoplatform.ecm.webui.component.explorer.rightclick.manager.PasteManageComponent;
  import org.exoplatform.services.cms.clipboard.ClipboardService;
  import org.exoplatform.services.cms.clipboard.jcr.model.ClipboardCommand;
  import org.exoplatform.services.security.ConversationState;
  import org.exoplatform.services.wcm.utils.WCMCoreUtils;
  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.event.EventListener;
  
  import javax.jcr.Node;
  import javax.jcr.PathNotFoundException;
  import java.util.LinkedList;
  /**
   * Created by The eXo Platform SARL
   * Author : pham tuan
   *          phamtuanchip@yahoo.de
   * Oct 20, 2006
   */
  @ComponentConfig(
      template =  "app:/groovy/webui/component/explorer/sidebar/UIClipboard.gtmpl",
      events = {
          @EventConfig(listeners = UIClipboard.PasteActionListener.class),
          @EventConfig(listeners = UIClipboard.DeleteActionListener.class),
          @EventConfig(listeners = UIClipboard.ClearAllActionListener.class)
      }
    )
  
  public class UIClipboard extends UIComponent {
    final static public String[] CLIPBOARD_BEAN_FIELD = {"path"} ;
    final static public String[]  CLIPBOARD_ACTIONS = {"Paste", "Delete"} ;
  
    private LinkedList<ClipboardCommand> clipboard_ ;
  
    public UIClipboard() throws Exception {
    }
  
    public String[] getBeanFields() {
      return CLIPBOARD_BEAN_FIELD ;
    }
  
    public String[] getBeanActions() {
      return  CLIPBOARD_ACTIONS ;
    }
  
    public LinkedList<ClipboardCommand> getClipboardData() throws Exception {
      String userId = ConversationState.getCurrent().getIdentity().getUserId();
      ClipboardService  clipboardService = WCMCoreUtils.getService(ClipboardService.class);
      clipboard_ = new LinkedList<ClipboardCommand>(clipboardService.getClipboardList(userId, false));
      return clipboard_;
    }
  
    static public class PasteActionListener extends EventListener<UIClipboard> {
      public void execute(Event<UIClipboard> event) throws Exception {
        UIClipboard uiClipboard = event.getSource() ;
        UIJCRExplorer uiExplorer = uiClipboard.getAncestorOfType(UIJCRExplorer.class);
        String id = event.getRequestContext().getRequestParameter(OBJECTID) ;
        int index = Integer.parseInt(id) ;
        ClipboardCommand selectedClipboard = uiClipboard.clipboard_.get(index-1);
        Node node = uiExplorer.getCurrentNode() ;
  //      String nodePath = node.getPath();
  //      String wsName = node.getSession().getWorkspace().getName();
        UIApplication app = uiClipboard.getAncestorOfType(UIApplication.class);
        try {
          //PasteManageComponent.processPaste(selectedClipboard, wsName + ":" + nodePath, event);
          PasteManageComponent.processPaste(selectedClipboard, node, event, uiExplorer);
          //uiWorkingArea.processPaste(selectedClipboard, wsName + ":" + nodePath, event);
          if (PasteManageComponent.isIsRefresh()) {
            uiExplorer.updateAjax(event);
          }
  
        } catch(PathNotFoundException path) {
          app.addMessage(new ApplicationMessage("PathNotFoundException.msg", null, ApplicationMessage.WARNING)) ;
          
          return ;
        } catch (Exception e) {
          app.addMessage(new ApplicationMessage("UIClipboard.msg.unable-pasted", null, ApplicationMessage.WARNING)) ;
         
         return ;
       }
     }
   }
 
   static public class DeleteActionListener extends EventListener<UIClipboard> {
     public void execute(Event<UIClipboard> event) throws Exception{
       UIClipboard uiClipboard = event.getSource() ;
       String itemIndex = event.getRequestContext().getRequestParameter(OBJECTID) ;
       ClipboardCommand command = uiClipboard.clipboard_.remove(Integer.parseInt(itemIndex)-1);
       String userId = ConversationState.getCurrent().getIdentity().getUserId();
       ClipboardService  clipboardService = WCMCoreUtils.getService(ClipboardService.class);
       clipboardService.removeClipboardCommand(userId, command);
     }
   }
 
   static public class ClearAllActionListener extends EventListener<UIClipboard> {
     public void execute(Event<UIClipboard> event) {
       UIClipboard uiClipboard = event.getSource() ;
       uiClipboard.clipboard_.clear() ;
       
       String userId = ConversationState.getCurrent().getIdentity().getUserId();
       ClipboardService  clipboardService = WCMCoreUtils.getService(ClipboardService.class);
       clipboardService.clearClipboardList(userId, false);
     }
   }
 }