/*
    * 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.component.UIComponent;
  import javax.faces.view.facelets.ComponentConfig;
  import javax.faces.view.facelets.ComponentHandler;
  import javax.faces.view.facelets.FaceletContext;
  import javax.faces.view.facelets.MetaRuleset;
  
  public class HtmlDataTableTagHandler extends ComponentHandler
  {
      
      public HtmlDataTableTagHandler(ComponentConfig config)
      {
          super(config);
      }
      
      @Override
      public void onComponentCreated(FaceletContext ctx, UIComponent c,
              UIComponent parent)
      {
           // Add a detailStampRow component, so detailStamp rendering will be delegated
           // to a component that can be used in ajax.
          UIComponent detailStampRow = ctx.getFacesContext().
              getApplication().createComponent(ctx.getFacesContext(),
                  HtmlDetailStampRow.COMPONENT_TYPE, HtmlDetailStampRow.DEFAULT_RENDERER_TYPE);
          detailStampRow.setId("detailStampRow");
          c.getFacets().put(AbstractHtmlDataTable.DETAIL_STAMP_ROW_FACET_NAME, detailStampRow);
          
          // Add a special component that is used to render a row on an ajax operation.
          UIComponent row = ctx.getFacesContext().
              getApplication().createComponent(ctx.getFacesContext(),
                  HtmlTableRow.COMPONENT_TYPE, HtmlTableRow.DEFAULT_RENDERER_TYPE);
          row.setId("row");
          c.getFacets().put(AbstractHtmlDataTable.TABLE_ROW_FACET_NAME, row);
      }
  
      @Override
      public void onComponentPopulated(FaceletContext ctx, UIComponent c,
              UIComponent parent)
      {
          //Check and remove detailStampRow component if there is no detailStamp
          UIComponent detailStamp = c.getFacet(AbstractHtmlDataTable.DETAIL_STAMP_FACET_NAME);
          if (detailStamp == null)
          {
              UIComponent detailStampRow = c.getFacet(AbstractHtmlDataTable.DETAIL_STAMP_ROW_FACET_NAME);
              if (detailStampRow != null)
              {
                  c.getFacets().remove(AbstractHtmlDataTable.DETAIL_STAMP_ROW_FACET_NAME);
              }
          }
          
          HtmlDataTable dataTable = (HtmlDataTable) c;
          if (!dataTable.isAjaxRowRender())
          {
              c.getFacets().remove(AbstractHtmlDataTable.TABLE_ROW_FACET_NAME);
          }
      }
  
      protected MetaRuleset createMetaRuleset(Class type)
      {
          return super.createMetaRuleset(type).alias("class", "styleClass");
      }
  }