/**
    * This file Copyright (c) 2011 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.module.blossom.paragraph;
  
  import java.io.IOException;
  import javax.jcr.RepositoryException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import info.magnolia.cms.core.Content;
  import info.magnolia.module.admininterface.DialogHandlerManager;
  import info.magnolia.module.admininterface.DialogMVCHandler;
  import info.magnolia.module.admininterface.dialogs.ConfiguredDialog;
  import info.magnolia.module.blossom.BlossomModule;
  import info.magnolia.module.blossom.dialog.BlossomConfiguredDialog;
  import info.magnolia.module.blossom.dialog.BlossomDialogDescription;
  import info.magnolia.module.blossom.dialog.BlossomDialogRegistry;
  
  /**
   * DialogHandler for editing paragraphs created with Blossom version 0.5. New content is not added using this dialog.
   * <p/>
   * What makes version 0.5 content special is that it used only one paragraph and a nodeData named handlerPath to
   * render a certain controller. This approach was deprecated and all controllers are now registered as proper
   * paragraphs.
   *
   * @since 1.2.2
   */
  public class BackwardsCompatibleBlossomDialog extends ConfiguredDialog {
  
      private DialogMVCHandler dialogHandler;
  
      public BackwardsCompatibleBlossomDialog(String name, HttpServletRequest request, HttpServletResponse response, Content configNode) throws RepositoryException {
          super(name, request, response, configNode);
  
          BlossomParagraphRegistry paragraphRegistry = BlossomModule.getParagraphRegistry();
          BlossomParagraphDescription paragraph = paragraphRegistry.getParagraph(getStorageNode());
  
          String dialogName = paragraph.getDialogName();
          BlossomDialogRegistry dialogRegistry = BlossomModule.getDialogRegistry();
          BlossomDialogDescription dialogDescription = dialogRegistry.getDialogDescription(dialogName);
          if (dialogDescription != null) {
              dialogHandler = new BlossomConfiguredDialog(dialogName, request, response, configNode, dialogDescription.getFactoryMetaData());
          } else {
              dialogHandler = DialogHandlerManager.getInstance().getDialogHandler(dialogName, request, response);
          }
      }
  
      public String getCommand() {
          if (dialogHandler != null)
              return dialogHandler.getCommand();
          return super.getCommand();
      }
  
      public String execute(String command) {
          if (dialogHandler != null)
              return dialogHandler.execute(command);
          return super.execute(command);
      }
  
      public void renderHtml(String view) throws IOException {
          if (dialogHandler != null)
              dialogHandler.renderHtml(view);
          else
              super.renderHtml(view);
      }
  }