/*
    * Copyright (C) 2003-2010 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.rightclick.action;
  
  import java.util.regex.Matcher;
  
  import javax.jcr.AccessDeniedException;
  import javax.jcr.Node;
  import javax.jcr.PathNotFoundException;
  import javax.jcr.Session;
  
  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.UIWorkingAreaActionListener;
  import org.exoplatform.ecm.webui.component.explorer.rightclick.viewinfor.UIViewInfoManager;
  import org.exoplatform.ecm.webui.utils.JCRExceptionManager;
  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.UIPopupContainer;
  import org.exoplatform.webui.event.Event;
  import org.exoplatform.webui.ext.manager.UIAbstractManager;
  import org.exoplatform.webui.ext.manager.UIAbstractManagerComponent;
  
  /**
   * Created by The eXo Platform SAS
   * Author : eXoPlatform
   *          exo@exoplatform.com
   * Oct 29, 2010
   */
  @ComponentConfig(events = { @EventConfig(listeners = ViewInfoActionComponent.ViewInfoActionListener.class) })
  public class ViewInfoActionComponent extends UIAbstractManagerComponent{
  
    /**
     * @author hai_lethanh
     * class used to handle event raised on ViewFileInfoActionComponent
     */
    public static class ViewInfoActionListener extends UIWorkingAreaActionListener<ViewInfoActionComponent> {
  
      @Override
      protected void processEvent(Event<ViewInfoActionComponent> event) throws Exception {
        ViewInfoActionComponent uicomp = event.getSource();
        UIJCRExplorer uiExplorer = event.getSource().getAncestorOfType(UIJCRExplorer.class);
        UIPopupContainer objUIPopupContainer = uiExplorer.getChild(UIPopupContainer.class);
  
        String nodePath = event.getRequestContext().getRequestParameter(OBJECTID);
        Node selectedNode = null;
        if (nodePath != null && nodePath.length() != 0) {
          //get workspace & selected node path
          Matcher matcher = UIWorkingArea.FILE_EXPLORER_URL_SYNTAX.matcher(nodePath);
          String wsName = null;
          if (matcher.find()) {
            wsName = matcher.group(1);
            nodePath = matcher.group(2);
          } else {
            throw new IllegalArgumentException("The ObjectId is invalid '" + nodePath + "'");
          }
  
          //get session
          Session session = uiExplorer.getSessionByWorkspace(wsName);
  
          //get UIApplication
          UIApplication uiApp = uicomp.getAncestorOfType(UIApplication.class);
  
          //get selected node
          try {
            // Use the method getNodeByPath because it is link aware
            selectedNode = uiExplorer.getNodeByPath(nodePath, session);
          } catch (PathNotFoundException path) {
            uiApp.addMessage(new ApplicationMessage("UIPopupMenu.msg.path-not-found-exception", null,
                ApplicationMessage.WARNING));
            
            return;
          } catch (AccessDeniedException ace) {
            uiApp.addMessage(new ApplicationMessage("UIDocumentInfo.msg.null-exception", null,
                ApplicationMessage.WARNING));
            
            return;
          } catch (Exception e) {
            JCRExceptionManager.process(uiApp, e);
            return;
          }
        }
  
       if (selectedNode == null)  selectedNode = uiExplorer.getCurrentNode();
 
       //show popup
       UIViewInfoManager uiViewInfoManager = uiExplorer.createUIComponent(UIViewInfoManager.class, null, null);
       uiViewInfoManager.setSelectedNode(selectedNode);
       objUIPopupContainer.activate(uiViewInfoManager, 600, 0);
       event.getRequestContext().addUIComponentToUpdateByAjax(objUIPopupContainer);
     }
   }
 
   @Override
   public Class<? extends UIAbstractManager> getUIAbstractManagerClass() {
     return null;
   }
 
 }