/*
    * 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.component.html.ext;
  
  import javax.faces.context.FacesContext;
  
  import org.apache.myfaces.component.DisplayValueOnlyAware;
  import org.apache.myfaces.component.EventAware;
  import org.apache.myfaces.component.ForceIdAware;
  import org.apache.myfaces.component.UniversalProperties;
  import org.apache.myfaces.component.UserRoleAware;
  import org.apache.myfaces.component.UserRoleUtils;
  import org.apache.myfaces.component.html.util.HtmlComponentUtils;
  import org.apache.myfaces.shared_tomahawk.component.DisplayValueOnlyCapable;
  
  /**
   * Extends standard panelGroup with user role support. 
   * 
   * Unless otherwise specified, all attributes accept static values or EL expressions.
   * 
   * @JSFComponent
   *   name = "t:panelGroup"
   *   class = "org.apache.myfaces.component.html.ext.HtmlPanelGroup"
   *   tagClass = "org.apache.myfaces.generated.taglib.html.ext.HtmlPanelGroupTag"
   * @since 1.1.7
   * @author Manfred Geiler (latest modification by $Author: lu4242 $)
   * @version $Revision: 691856 $ $Date: 2008-09-03 21:40:30 -0500 (Wed, 03 Sep 2008) $
   */
  public abstract class AbstractHtmlPanelGroup
          extends javax.faces.component.html.HtmlPanelGroup
          implements UserRoleAware, DisplayValueOnlyCapable,
          DisplayValueOnlyAware, ForceIdAware, EventAware, UniversalProperties
  {
      public static final String COMPONENT_TYPE = "org.apache.myfaces.HtmlPanelGroup";
      public static final String DEFAULT_RENDERER_TYPE = "org.apache.myfaces.Group";
  
      public static final int DEFAULT_COLSPAN = Integer.MIN_VALUE;
      public static final String BLOCK_LAYOUT = "block";
  
      public String getClientId(FacesContext context)
      {
          String clientId = HtmlComponentUtils.getClientId(this, getRenderer(context), context);
          if (clientId == null)
          {
              clientId = super.getClientId(context);
          }
  
          return clientId;
      }
  
      public boolean isRendered()
      {
          if (!UserRoleUtils.isVisibleOnUserRole(this)) return false;
          return super.isRendered();
      }
      
      public boolean isSetDisplayValueOnly(){
          return getDisplayValueOnly() != null ? true : false;  
      }
      
      public boolean isDisplayValueOnly(){
          return getDisplayValueOnly() != null ? getDisplayValueOnly().booleanValue() : false;
      }
      
      public void setDisplayValueOnly(boolean displayValueOnly){
          this.setDisplayValueOnly((Boolean) Boolean.valueOf(displayValueOnly));
      }
  
      /**
       * Determines the type of layout that is used when rendering a 
       * panelGroup: when 'block' is specified, an HTML div is rendered 
       * instead of the default HTML span.
       * 
       * @JSFProperty
       *   defaultValue = "block" 
       */
      public abstract String getLayout(); 
  
      /**
       * standard html colspan attribute for table cell
       * 
       * @JSFProperty
       *   defaultValue = "Integer.MIN_VALUE"
      */
     public abstract int getColspan();
 
 }