/*
    * 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.view.facelets.tag.jsf.html;
  
  import java.util.Iterator;
  
  import javax.faces.component.UIComponent;
  import javax.faces.component.UIViewRoot;
  import javax.faces.view.facelets.ComponentConfig;
  import javax.faces.view.facelets.FaceletContext;
  
  import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFFaceletTag;
  import org.apache.myfaces.view.facelets.FaceletCompositionContext;
  import org.apache.myfaces.view.facelets.el.CompositeComponentELUtils;
  import org.apache.myfaces.view.facelets.tag.jsf.ComponentSupport;
  import org.apache.myfaces.view.facelets.tag.jsf.RelocatableResourceHandler;
  
  /**
   * 
   * @since 2.0
   * @author Leonardo Uribe (latest modification by $Author$)
   * @version $Revision$ $Date$
   */
  @JSFFaceletTag(
          name = "h:outputScript",
          componentClass = "org.apache.myfaces.view.facelets.tag.jsf.html._HtmlOutputScript")
  public class HtmlOutputScriptHandler extends HtmlComponentHandler implements RelocatableResourceHandler
  {
  
      public HtmlOutputScriptHandler(ComponentConfig config)
      {
          super(config);
      }
  
      public UIComponent findChildByTagId(FaceletContext ctx, UIComponent parent,
              String id)
      {
          //Script with no target and no relocation is possible
          UIComponent c = ComponentSupport.findChildByTagId(parent, id);
          if (c == null)
          {
              UIViewRoot root = ComponentSupport.getViewRoot(ctx, parent);
              
              if (root.getFacetCount() > 0)
              {
                  Iterator<UIComponent> itr = root.getFacets().values().iterator();
                  while (itr.hasNext() && c == null)
                  {
                      UIComponent facet = itr.next();
                      c = ComponentSupport.findChildByTagId(facet, id);
                  }
              }
              return c;
          }
          else
          {
              return c;
          }
      }
  
  
      @Override
      public void onComponentCreated(FaceletContext ctx, UIComponent c,
              UIComponent parent)
      {
          UIComponent parentCompositeComponent
                  = FaceletCompositionContext.getCurrentInstance(ctx).getCompositeComponentFromStack();
          if (parentCompositeComponent != null)
          {
              c.getAttributes().put(CompositeComponentELUtils.LOCATION_KEY,
                      parentCompositeComponent.getAttributes().get(CompositeComponentELUtils.LOCATION_KEY));
          }
      }
  }