/**
    * 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.templating.elements;
  
  import info.magnolia.cms.beans.config.ServerConfiguration;
  import info.magnolia.context.MgnlContext;
  import info.magnolia.context.WebContext;
  import info.magnolia.rendering.context.RenderingContext;
  import info.magnolia.rendering.engine.AppendableOnlyOutputProvider;
  import info.magnolia.rendering.engine.RenderException;
  import info.magnolia.rendering.engine.RenderingEngine;
  
  import java.io.IOException;
  import java.util.HashMap;
  import java.util.Map;
  
  import javax.jcr.Node;
  
  /**
   * Renders a piece of content.
   *
   * @version $Id$
   */
  public class RenderElement extends AbstractContentTemplatingElement {
  
      private boolean editable;
      private String template;
      private Map<String, Object> contextAttributes = new HashMap<String, Object>();
      private final RenderingEngine renderingEngine;
      private Node content;
  
      public RenderElement(ServerConfiguration server, RenderingContext renderingContext, RenderingEngine renderingEngine) {
          super(server, renderingContext);
          this.renderingEngine = renderingEngine;
      }
  
      @Override
      public void begin(Appendable out) throws IOException, RenderException {
          content = getTargetContent();
  
          if(isAdmin()){
              new MarkupHelper(out).openComment("cms:component").append(" -->\n");
          }
  
          // TODO not sure how to pass editable
  
          WebContext webContext = MgnlContext.getWebContext();
          webContext.push(webContext.getRequest(), webContext.getResponse());
          setAttributesInWebContext(contextAttributes, WebContext.LOCAL_SCOPE);
          try {
              renderingEngine.render(content, new AppendableOnlyOutputProvider(out));
          } finally {
              webContext.pop();
              webContext.setPageContext(null);
              restoreAttributesInWebContext(contextAttributes, WebContext.LOCAL_SCOPE);
          }
      }
  
      @Override
      public void end(Appendable out) throws IOException, RenderException {
          if(isAdmin()){
              new MarkupHelper(out).closeComment("cms:component");
          }
      }
  
      public boolean getEditable() {
          return editable;
      }
 
     public void setEditable(boolean editable) {
         this.editable = editable;
     }
 
     public String getTemplate() {
         return template;
     }
 
     public void setTemplate(String template) {
         this.template = template;
     }
 
 
     public Map<String, Object> getContextAttributes() {
         return contextAttributes;
     }
 
     public void setContextAttributes(Map<String, Object> contextAttributes) {
         this.contextAttributes = contextAttributes;
     }
 
 }