/*
    * 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.jsf;
  
  import javax.faces.component.UIComponent;
  import javax.faces.context.FacesContext;
  
  import org.apache.myfaces.component.UserRoleUtils;
  import org.apache.myfaces.renderkit.html.util.DummyFormUtils;
  import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlButtonRendererBase;
  import org.apache.myfaces.shared_tomahawk.renderkit.html.util.FormInfo;
  
  
  /**
   * Add dummyForm functionality 
   * 
   * @author Mario Ivankovits (latest modification by $Author: lu4242 $)
   * @version $Revision: 709236 $ $Date: 2008-10-30 15:22:57 -0500 (Thu, 30 Oct 2008) $
   */
  public class ExtendedHtmlButtonRenderer
      extends HtmlButtonRendererBase
  {
      protected void addHiddenCommandParameter(FacesContext facesContext, UIComponent nestingForm, String hiddenFieldName)
      {
          if (nestingForm != null)
          {
              super.addHiddenCommandParameter(facesContext, nestingForm, hiddenFieldName);
          }
          else
          {
              DummyFormUtils.addDummyFormParameter(facesContext, hiddenFieldName);
          }
      }
      
      protected FormInfo findNestingForm(UIComponent uiComponent, FacesContext facesContext)
      {
          return DummyFormUtils.findNestingForm(uiComponent, facesContext);
      }
      
      protected boolean isDisabled(FacesContext facesContext, UIComponent uiComponent) 
      {
          if (!UserRoleUtils.isEnabledOnUserRole(uiComponent))
          {
              return true;
          }
          else
          {
              return super.isDisabled(facesContext, uiComponent);
          }
      }
  }