/**
    * Copyright 2005-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.krad.uif.freemarker;
  
  import java.io.IOException;
  import java.io.Serializable;
  import java.util.List;
  
  import org.kuali.rice.krad.uif.component.Component;
  import org.kuali.rice.krad.uif.container.CollectionGroup;
  import org.kuali.rice.krad.uif.layout.StackedLayoutManager;
  
  import freemarker.core.Environment;
  import freemarker.core.InlineTemplateAdaptor;
  import freemarker.template.TemplateException;
  
  /**
   * Inline FreeMarker template adaptor for supporting stacked.ftl 
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class FreeMarkerStackedAdaptor implements InlineTemplateAdaptor, Serializable {
  
      private static final long serialVersionUID = -4442716566711789593L;
  
      /**
       * Render a KRAD collection via the stacked layout manager inline.
       * 
       * @see freemarker.core.InlineKradAdaptor#accept(freemarker.core.Environment)
       */
      @Override
      public void accept(Environment env) throws TemplateException, IOException {
          @SuppressWarnings("unchecked")
          List<? extends Component> items = FreeMarkerInlineRenderUtils.resolve(env, "items", List.class);
          StackedLayoutManager manager = FreeMarkerInlineRenderUtils.resolve(env, "manager", StackedLayoutManager.class);
          CollectionGroup container = FreeMarkerInlineRenderUtils.resolve(env, "container", CollectionGroup.class);
          FreeMarkerInlineRenderUtils.renderStacked(env, items, manager, container);
      }
  
  }