/*
    * 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.renderkit.html.ext;
  
  import java.io.IOException;
  
  import javax.faces.component.UIComponent;
  import javax.faces.component.UISelectMany;
  import javax.faces.context.FacesContext;
  import javax.faces.convert.Converter;
  import javax.faces.convert.ConverterException;
  
  import org.apache.myfaces.component.UserRoleUtils;
  import org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils;
  import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlListboxRendererBase;
  import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils;
  
  
  /**
   * @JSFRenderer
   *   renderKitId = "HTML_BASIC"
   *   family = "javax.faces.SelectOne"
   *   type = "org.apache.myfaces.Listbox"
   *   
   * @JSFRenderer
   *   renderKitId = "HTML_BASIC"
   *   family = "javax.faces.SelectMany"
   *   type = "org.apache.myfaces.Listbox"
   * 
   * @author Manfred Geiler (latest modification by $Author: lu4242 $)
   * @version $Revision: 1327287 $ $Date: 2012-04-17 16:21:09 -0500 (Tue, 17 Apr 2012) $
   */
  public class HtmlListboxRenderer
          extends HtmlListboxRendererBase
  {
      @Override
      protected boolean isCommonPropertiesOptimizationEnabled(FacesContext facesContext)
      {
          return true;
      }
  
      @Override
      protected boolean isCommonEventsOptimizationEnabled(FacesContext facesContext)
      {
          return true;
      }
      
      protected boolean isDisabled(FacesContext facesContext, UIComponent uiComponent)
      {
          if (!UserRoleUtils.isEnabledOnUserRole(uiComponent))
          {
              return true;
          }
          else
          {
              return super.isDisabled(facesContext, uiComponent);
          }
      }
  
      public void encodeEnd(FacesContext facesContext, UIComponent uiComponent) throws IOException {
  
          if(HtmlRendererUtils.isDisplayValueOnly(uiComponent))
          {
              HtmlRendererUtils.renderDisplayValueOnlyForSelects(facesContext, uiComponent, true);
          }
          else
          {
              super.encodeEnd(facesContext, uiComponent);
          }
      }
      
      /**
       * Overrides HtmlListboxRendererBase to handle valueType attribute on UISelectMany.
       */
      @Override
      public Object getConvertedValue(FacesContext facesContext,
              UIComponent component, Object submittedValue)
              throws ConverterException
      {
          RendererUtils.checkParamValidity(facesContext, component, null);
          
          if (component instanceof UISelectMany) 
          {
             // invoke getConvertedUISelectManyValue() with considerValueType = true
             return RendererUtils.getConvertedUISelectManyValue(facesContext,
                     (UISelectMany) component, submittedValue, true); 
         } 
         else 
         {
             // component is not a UISelectMany --> no change needed
             return super.getConvertedValue(facesContext, component, submittedValue);
         }
     }
     
     /**
      * Overrides HtmlListboxRendererBase to handle valueType attribute on UISelectMany.
      */
     @Override
     protected Converter getConverter(FacesContext facesContext,
             UIComponent component)
     {
         if (component instanceof UISelectMany)
         {
             // invoke findUISelectManyConverterFailsafe() with considerValueType = true
             return HtmlRendererUtils.findUISelectManyConverterFailsafe(facesContext, 
                     (UISelectMany) component, true);
         }
         else
         {
             // component is not a UISelectMany --> no change needed
             return super.getConverter(facesContext, component);
         }
     }
 
 }