/*
    * 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.popup.info;
  
  import java.util.List;
  
  import javax.jcr.Node;
  
  import org.exoplatform.services.log.Log;
  import org.exoplatform.ecm.webui.component.explorer.UIJCRExplorer;
  import org.exoplatform.ecm.webui.utils.PermissionUtil;
  import org.exoplatform.resolver.ResourceResolver;
  import org.exoplatform.services.cms.metadata.MetadataService;
  import org.exoplatform.services.log.ExoLogger;
  import org.exoplatform.web.application.ApplicationMessage;
  import org.exoplatform.webui.application.WebuiRequestContext;
  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.UIContainer;
  import org.exoplatform.webui.event.Event;
  import org.exoplatform.webui.event.EventListener;
  import org.exoplatform.webui.exception.MessageException;
  
  /**
   * Created by The eXo Platform SARL
   * Author : Dang Van Minh
   *          minh.dang@exoplatform.com
   * Jan 25, 2007
   * 2:05:40 PM
   */
  @ComponentConfig(
      events = {
        @EventConfig(listeners = UIViewMetadataTemplate.EditPropertyActionListener.class),
        @EventConfig(listeners = UIViewMetadataTemplate.CancelActionListener.class)
      }
  )
  public class UIViewMetadataTemplate extends UIContainer {
  
    private String documentType_ ;
    private static final Log LOG  = ExoLogger.getLogger(UIViewMetadataTemplate.class.getName());
    public UIViewMetadataTemplate() throws Exception {
    }
  
    public void setTemplateType(String type) {documentType_ = type ;}
  
    public String getViewTemplatePath() {
      MetadataService metadataService = getApplicationComponent(MetadataService.class) ;
      try {
        return metadataService.getMetadataPath(documentType_, false) ;
      } catch (Exception e) {
        if (LOG.isErrorEnabled()) {
          LOG.error("Unexpected error", e);
        }
      }
      return null ;
    }
  
    public String getTemplate() { return getViewTemplatePath() ; }
  
    @SuppressWarnings("unused")
    public ResourceResolver getTemplateResourceResolver(WebuiRequestContext context, String template) {
      //return getAncestorOfType(UIJCRExplorer.class).getJCRTemplateResourceResolver();
      getAncestorOfType(UIJCRExplorer.class).newJCRTemplateResourceResolver() ;
      return getAncestorOfType(UIJCRExplorer.class).getJCRTemplateResourceResolver();
    }
  
    public Node getViewNode(String nodeType) throws Exception {
      return getAncestorOfType(UIJCRExplorer.class).getViewNode(nodeType) ;
    }
  
    public List<String> getMultiValues(Node node, String name) throws Exception {
      return getAncestorOfType(UIJCRExplorer.class).getMultiValues(node, name) ;
    }
  
    static public class EditPropertyActionListener extends EventListener<UIViewMetadataTemplate> {
      public void execute(Event<UIViewMetadataTemplate> event) throws Exception {
        UIViewMetadataTemplate uiViewTemplate = event.getSource() ;
        String nodeType = event.getRequestContext().getRequestParameter(OBJECTID) ;
        UIViewMetadataManager uiMetaManager = uiViewTemplate.getAncestorOfType(UIViewMetadataManager.class) ;
        UIJCRExplorer uiExplorer = uiViewTemplate.getAncestorOfType(UIJCRExplorer.class) ;
        UIApplication uiApp = uiViewTemplate.getAncestorOfType(UIApplication.class);
        Node currentNode = uiExplorer.getCurrentNode();
        if (!PermissionUtil.canSetProperty(currentNode)) {
          throw new MessageException(new ApplicationMessage("UIViewMetadataTemplate.msg.access-denied",
                                                           null, ApplicationMessage.WARNING)) ;
       }
       if (!currentNode.isCheckedOut()) {
         uiApp.addMessage(new ApplicationMessage("UIActionBar.msg.node-checkedin", null));
 
         return;
       }
       uiMetaManager.initMetadataFormPopup(nodeType) ;
       UIViewMetadataContainer uiContainer = uiViewTemplate.getParent() ;
       event.getRequestContext().addUIComponentToUpdateByAjax(uiContainer.getParent()) ;
     }
   }
 
   static public class CancelActionListener extends EventListener<UIViewMetadataTemplate> {
     public void execute(Event<UIViewMetadataTemplate> event) throws Exception {
       UIJCRExplorer uiExplorer = event.getSource().getAncestorOfType(UIJCRExplorer.class) ;
       uiExplorer.cancelAction() ;
     }
   }
 }