/*
    * 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.trinidad.component;
  
  import javax.faces.component.UIComponent;
  
  import java.util.Map;
  
  import org.apache.myfaces.trinidad.util.ArrayMap;
  
  /**
   * HashMap used for storing facets.
   *
   */
  class FacetHashMap extends ArrayMap<String, UIComponent>
  {
    public FacetHashMap(UIComponent parent)
    {
      super(0, 5);
      _parent = parent;
    }
  
    @Override
    public void clear()
    {
      for(UIComponent value : values())
      {
        value.setParent(null);
      }
  
      super.clear();
    }
    
    @Override
    public UIComponent put(String key, UIComponent value)
    {
      if ((key == null) || (value == null))
      {
        throw new NullPointerException();
      }
  
      UIComponent previous = super.get(key);
      if (previous != null)
      {
        previous.setParent(null);
      }
      
      if (value.getParent() != null)
      {
        ChildArrayList.__removeFromParent(value, -1);
      }
      
      // calling setParent triggers an addEvent, which might have listeners, 
      // so first put the component in the map, then set the parent
      UIComponent comp = super.put(key, value);
      value.setParent(_parent);
      return comp;
    }
  
    @Override
    public void putAll(Map<? extends String, ? extends UIComponent> map)
    {
      if (map == null)
      {
        throw new NullPointerException();
      }
  
      for(Map.Entry<? extends String, ? extends UIComponent> entry : map.entrySet())
      {
        put(entry.getKey(), entry.getValue());
      }
    }
    
    @Override
    public UIComponent remove(Object key)
    {
      UIComponent previous = super.remove(key);
      if (previous != null)
      {
        previous.setParent(null);
      }
      
      return (previous);
   }
 
   private UIComponent _parent;
 }