/*

  *  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_impl.renderkit.html;

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

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

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

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

 import javax.faces.component.UIComponent;

 import javax.faces.component.UIInput;

 import javax.faces.component.UIOutput;

 import javax.faces.component.html.HtmlInputTextarea;

 import javax.faces.context.FacesContext;

 import javax.faces.context.ResponseWriter;

 import javax.faces.convert.ConverterException;

 import java.io.IOException;

 /**

  * @author Manfred Geiler (latest modification by $Author: matzew $)

  * @author Anton Koinov

  * @version $Revision: 557350 $ $Date: 2007-07-18 13:19:50 -0500 (Wed, 18 Jul 2007) $

  */

 public class HtmlTextareaRendererBase

         extends HtmlRenderer

 {

     public void encodeEnd(FacesContext facesContext, UIComponent uiComponent)

             throws IOException

     {

         RendererUtils.checkParamValidity(facesContext, uiComponent, UIInput.class);

         encodeTextArea(facesContext, uiComponent);

     }

     protected void encodeTextArea(FacesContext facesContext, UIComponent uiComponent) throws IOException {

         ResponseWriter writer = facesContext.getResponseWriter();

         writer.startElement(HTML.TEXTAREA_ELEM, uiComponent);

         String clientId = uiComponent.getClientId(facesContext);

         writer.writeAttribute(HTML.NAME_ATTR, clientId, null);

         HtmlRendererUtils.writeIdIfNecessary(writer, uiComponent, facesContext);

         HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, HTML.TEXTAREA_PASSTHROUGH_ATTRIBUTES_WITHOUT_DISABLED);

         if (isDisabled(facesContext, uiComponent))

         {

             writer.writeAttribute(org.apache.myfaces.shared_impl.renderkit.html.HTML.DISABLED_ATTR, Boolean.TRUE, null);

         }

         String strValue = org.apache.myfaces.shared_impl.renderkit.RendererUtils.getStringValue(facesContext, uiComponent);

         writer.writeText(strValue, org.apache.myfaces.shared_impl.renderkit.JSFAttr.VALUE_ATTR);

         writer.endElement(HTML.TEXTAREA_ELEM);

     }

     protected boolean isDisabled(FacesContext facesContext, UIComponent uiComponent)

     {

         //TODO: overwrite in extended HtmlTextareaRenderer and check for enabledOnUserRole

         if (uiComponent instanceof HtmlInputTextarea)

         {

             return ((HtmlInputTextarea)uiComponent).isDisabled();

         }

         return org.apache.myfaces.shared_impl.renderkit.RendererUtils.getBooleanAttribute(uiComponent, HTML.DISABLED_ATTR, false);

     }

     public void decode(FacesContext facesContext, UIComponent component)

     {

         RendererUtils.checkParamValidity(facesContext, component, UIInput.class);

         HtmlRendererUtils.decodeUIInput(facesContext, component);

     }

     public Object getConvertedValue(FacesContext facesContext, UIComponent uiComponent, Object submittedValue) throws ConverterException

     {

         RendererUtils.checkParamValidity(facesContext, uiComponent, UIOutput.class);

         return org.apache.myfaces.shared_impl.renderkit.RendererUtils.getConvertedUIOutputValue(facesContext,

                                                        (UIOutput)uiComponent,

                                                        submittedValue);

     }

 }