/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *   http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 package org.apache.myfaces.shared.renderkit.html;

 import org.apache.myfaces.shared.renderkit.RendererUtils;

 import javax.faces.component.UIComponent;

 import javax.faces.component.UIViewRoot;

 import javax.faces.component.html.HtmlPanelGroup;

 import javax.faces.context.FacesContext;

 import javax.faces.context.ResponseWriter;

 import java.io.IOException;

 import java.util.List;

 import java.util.Map;

 import javax.faces.component.behavior.ClientBehavior;

 import org.apache.myfaces.shared.renderkit.html.util.ResourceUtils;

 public class HtmlGroupRendererBase

         extends HtmlRenderer 

 {

     private static final String LAYOUT_BLOCK_VALUE = "block";

     public boolean getRendersChildren()

     {

         return true;

     }

     @Override

     public void decode(FacesContext context, UIComponent component)

     {

         // Check for npe

         super.decode(context, component);

         HtmlRendererUtils.decodeClientBehaviors(context, component);

     }

     public void encodeBegin(FacesContext context, UIComponent component)

             throws IOException

     {

     }

     public void encodeChildren(FacesContext context, UIComponent component)

         throws IOException

     {

     }

     public void encodeEnd(FacesContext context, UIComponent component)

             throws IOException

     {

         ResponseWriter writer = context.getResponseWriter();

         boolean span = false;

         // will be SPAN or DIV, depending on the layout attribute value

         String layoutElement = HTML.SPAN_ELEM;

         HtmlPanelGroup panelGroup = (HtmlPanelGroup) component;

         // if layout is 'block', render DIV instead SPAN

         String layout = panelGroup.getLayout();

         if (layout != null && layout.equals(LAYOUT_BLOCK_VALUE))

         {

             layoutElement = HTML.DIV_ELEM;

         }

         Map<String, List<ClientBehavior>> behaviors = panelGroup.getClientBehaviors();

         if (behaviors != null && !behaviors.isEmpty())

         {

             ResourceUtils.renderDefaultJsfJsInlineIfNecessary(context, writer);

         }

         if( (!behaviors.isEmpty()) || 

                 (component.getId()!=null && !component.getId().startsWith(UIViewRoot.UNIQUE_ID_PREFIX)))

         {

             span = true;

             writer.startElement(layoutElement, component);

             //HtmlRendererUtils.writeIdIfNecessary(writer, component, context);

             writer.writeAttribute(HTML.ID_ATTR, component.getClientId(context), null);

             long commonPropertiesMarked = 0L;

             if (isCommonPropertiesOptimizationEnabled(context))

             {

                 commonPropertiesMarked = CommonPropertyUtils.getCommonPropertiesMarked(component);

                 CommonPropertyUtils.renderCommonPassthroughPropertiesWithoutEvents(writer, 

                         commonPropertiesMarked, component);

             }

             else

             {

                 HtmlRendererUtils.renderHTMLAttributes(writer, component, HTML.UNIVERSAL_ATTRIBUTES);

             }

             if (behaviors.isEmpty() && isCommonPropertiesOptimizationEnabled(context))

             {

                 CommonPropertyUtils.renderEventProperties(writer, 

                         commonPropertiesMarked, component);

             }

             else

             {

                 if (isCommonEventsOptimizationEnabled(context))

                 {

                     CommonEventUtils.renderBehaviorizedEventHandlers(context, writer, 

                            commonPropertiesMarked,

                            CommonEventUtils.getCommonEventsMarked(component), component, behaviors);

                 }

                 else

                 {

                     HtmlRendererUtils.renderBehaviorizedEventHandlers(context, writer, component, behaviors);

                 }

             }

         }

         else

         {

             if (isCommonPropertiesOptimizationEnabled(context))

             {

                 long commonPropertiesMarked = CommonPropertyUtils.getCommonPropertiesMarked(component);

                 if (commonPropertiesMarked > 0)

                 {

                     span = true;

                     writer.startElement(layoutElement, component);

                     HtmlRendererUtils.writeIdIfNecessary(writer, component, context);

                     CommonPropertyUtils.renderCommonPassthroughProperties(writer, commonPropertiesMarked, component);

                 }

             }

             else

             {

                 span=HtmlRendererUtils.renderHTMLAttributesWithOptionalStartElement(writer,

                                                                                  component,

                                                                                  layoutElement,

                                                                                  HTML.COMMON_PASSTROUGH_ATTRIBUTES);

             }

         }

         RendererUtils.renderChildren(context, component);

         if (span)

         {

             writer.endElement(layoutElement);

         }

     }

 }