/*
 * Copyright (c) 2007-2008, openmetaverse.org
 * All rights reserved.
 *
 * - Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 * - Neither the name of the openmetaverse.org nor the names
 *   of its contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

using System;
using System.Collections.Generic;
using System.Text;

namespace OpenMetaverse
{
    public class InventoryNode
    {
        private InventoryBase data;
        private InventoryNode parent;
        private InventoryNodeDictionary nodes;

        /// <summary></summary>
        public InventoryBase Data
        {
            get { return data; }
            set { data = value; }
        }

        /// <summary></summary>
        public InventoryNode Parent
        {
            get { return parent; }
            set { parent = value; }
        }

        /// <summary></summary>
        public InventoryNodeDictionary Nodes
        {
            get
            {
                if (nodes == null)
                    nodes = new InventoryNodeDictionary(this);

                return nodes;
            }
            set { nodes = value; }
        }

        /// <summary>
        /// 
        /// </summary>
        public InventoryNode()
        {
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="data"></param>
        public InventoryNode(InventoryBase data)
        {
            this.data = data;
        }

        public InventoryNode(InventoryBase data, InventoryNode parent)
        {
            this.data = data;
            this.parent = parent;

            if (parent != null)
            {
                // Add this node to the collection of parent nodes
                lock (parent.Nodes.SyncRoot) parent.Nodes.Add(data.UUID, this);
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            if (this.Data == null) return "[Empty Node]";
            return this.Data.ToString();
        }
    }
}