/*

  * 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.view.facelets.component;

 import java.io.IOException;

 import java.util.List;

 import java.util.Map;

 import javax.faces.FacesException;

 import javax.faces.component.UIComponent;

 import javax.faces.component.behavior.ClientBehavior;

 import javax.faces.context.FacesContext;

 import javax.faces.context.ResponseWriter;

 import javax.faces.render.Renderer;

 import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFRenderer;

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

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

 import org.apache.myfaces.shared.renderkit.html.CommonEventUtils;

 import org.apache.myfaces.shared.renderkit.html.CommonPropertyUtils;

 import org.apache.myfaces.shared.renderkit.html.HTML;

 import org.apache.myfaces.shared.renderkit.html.HtmlRenderer;

 import org.apache.myfaces.shared.renderkit.html.HtmlRendererUtils;

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

 /**

  *

  * @author Leonardo Uribe

  */

 @JSFRenderer(

     renderKitId = "HTML_BASIC",

     family = "javax.faces.Panel",

     type = "javax.faces.passthrough.Element")

 public class JsfElementRenderer extends HtmlRenderer

 {

     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 facesContext, UIComponent component)

         throws IOException

     {

         ResponseWriter writer = facesContext.getResponseWriter();

         String elementName = (String) 

             component.getPassThroughAttributes().get(Renderer.PASSTHROUGH_RENDERER_LOCALNAME_KEY);

         if (elementName == null)

         {

             throw new FacesException("jsf:element with clientId"

                 + component.getClientId(facesContext) + " requires 'elementName' passthrough attribute");

         }

         JsfElement jsfElement = (JsfElement) component;

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

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

         {

             ResourceUtils.renderDefaultJsfJsInlineIfNecessary(facesContext, writer);

         }

         writer.startElement(elementName, component);

         if (!behaviors.isEmpty())

         {

             HtmlRendererUtils.writeIdAndName(writer, component, facesContext);

         }

         else

         {

             HtmlRendererUtils.writeIdIfNecessary(writer, component, facesContext);

         }

         // Write in the optimized way, because this is a renderer for internal use only

         long commonPropertiesMarked = CommonPropertyUtils.getCommonPropertiesMarked(component);

         if (behaviors.isEmpty())

         {

             CommonPropertyUtils.renderEventProperties(writer, commonPropertiesMarked, component);

             CommonPropertyUtils.renderFocusBlurEventProperties(writer, commonPropertiesMarked, component);

             CommonPropertyUtils.renderChangeSelectEventProperties(writer, commonPropertiesMarked, component);

         }

         else

         {

             long commonEventsMarked = CommonEventUtils.getCommonEventsMarked(component);

             CommonEventUtils.renderBehaviorizedEventHandlers(facesContext, writer, 

                    commonPropertiesMarked, commonEventsMarked, component, behaviors);

             CommonEventUtils.renderBehaviorizedFieldEventHandlers(facesContext, writer, 

                    commonPropertiesMarked, commonEventsMarked, component, 

                    component.getClientId(facesContext), behaviors);

         }

         CommonPropertyUtils.renderStyleProperties(writer, commonPropertiesMarked, component);

         HtmlRendererUtils.renderBehaviorizedAttribute(facesContext, writer, HTML.ONLOAD_ATTR, component,

                 ClientBehaviorEvents.LOAD, behaviors, HTML.ONLOAD_ATTR);

         HtmlRendererUtils.renderBehaviorizedAttribute(facesContext, writer, HTML.ONUNLOAD_ATTR, component,

                 ClientBehaviorEvents.UNLOAD, behaviors, HTML.ONUNLOAD_ATTR);

     }

     public void encodeChildren(FacesContext facesContext, UIComponent component)

         throws IOException

     {

         RendererUtils.renderChildren(facesContext, component);

     }

     public void encodeEnd(FacesContext facesContext, UIComponent component)

         throws IOException

     {

         ResponseWriter writer = facesContext.getResponseWriter();

         String elementName = (String) component.getPassThroughAttributes().get(

             Renderer.PASSTHROUGH_RENDERER_LOCALNAME_KEY);

         writer.endElement(elementName);

     }

     protected boolean isCommonPropertiesOptimizationEnabled(FacesContext facesContext)

     {

         return true;

     }

     protected boolean isCommonEventsOptimizationEnabled(FacesContext facesContext)

     {

         return true;

     }

 }