/*

  * Copyright 2004-2011 the Seasar Foundation and the Others.

  *

  * Licensed 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.seasar.teeda.core.render.html;

 import java.io.IOException;

 import javax.faces.component.UIComponent;

 import javax.faces.component.html.HtmlInputTextarea;

 import javax.faces.context.FacesContext;

 import javax.faces.context.ResponseWriter;

 import javax.faces.internal.IgnoreAttribute;

 import org.seasar.teeda.core.JsfConstants;

 import org.seasar.teeda.core.render.AbstractInputRenderer;

 import org.seasar.teeda.core.util.RendererUtil;

 import org.seasar.teeda.core.util.ValueHolderUtil;

 /**

  * @author manhole

  */

 public class HtmlInputTextareaRenderer extends AbstractInputRenderer {

     public static final String COMPONENT_FAMILY = "javax.faces.Input";

     public static final String RENDERER_TYPE = "javax.faces.Textarea";

     private final IgnoreAttribute ignoreAttribute = new IgnoreAttribute();

     {

         addIgnoreAttributeName(JsfConstants.ID_ATTR);

         addIgnoreAttributeName(JsfConstants.VALUE_ATTR);

         addIgnoreAttributeName(JsfConstants.NAME_ATTR);

         addIgnoreAttributeName(JsfConstants.STYLE_CLASS_ATTR);

     }

     public void encodeEnd(FacesContext context, UIComponent component)

             throws IOException {

         assertNotNull(context, component);

         if (!component.isRendered()) {

             return;

         }

         encodeHtmlInputTextareaEnd(context, (HtmlInputTextarea) component);

     }

     protected void encodeHtmlInputTextareaEnd(FacesContext context,

             HtmlInputTextarea htmlInputTextarea) throws IOException {

         ResponseWriter writer = context.getResponseWriter();

         writer.startElement(JsfConstants.TEXTAREA_ELEM, htmlInputTextarea);

         RendererUtil.renderIdAttributeIfNecessary(writer, htmlInputTextarea,

                 getIdForRender(context, htmlInputTextarea));

         RendererUtil.renderAttribute(writer, JsfConstants.NAME_ATTR,

                 htmlInputTextarea.getClientId(context));

         renderStyleClass(context, htmlInputTextarea, writer);

         renderRemainAttributes(htmlInputTextarea, writer, ignoreAttribute);

         //render value at last.

         String value = ValueHolderUtil.getValueForRender(context,

                 htmlInputTextarea);

         writer.writeText(value, null);

         writer.endElement(JsfConstants.TEXTAREA_ELEM);

     }

     protected void renderStyleClass(final FacesContext context,

             final HtmlInputTextarea htmlInputTextarea,

             final ResponseWriter writer) throws IOException {

         final String styleClass = htmlInputTextarea.getStyleClass();

         RendererUtil.renderAttribute(writer, JsfConstants.STYLE_CLASS_ATTR,

                 styleClass);

     }

     public void decode(FacesContext context, UIComponent component) {

         assertNotNull(context, component);

         decodeHtmlInputText(context, (HtmlInputTextarea) component);

     }

     protected void decodeHtmlInputText(FacesContext context,

             HtmlInputTextarea htmlInputTextarea) {

         getDecoder().decode(context, htmlInputTextarea);

     }

     public void addIgnoreAttributeName(final String name) {

         ignoreAttribute.addAttributeName(name);

     }

 }