//
// DataItem.cs
//
// Author:
//   Lluis Sanchez Gual
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;

namespace MonoDevelop.Core.Serialization
{
	[Serializable]
	public class DataItem: DataNode
	{
		DataCollection data;
		bool uniqueNames = true;
		
		public DataCollection ItemData {
			get {
				if (data == null) data = new DataCollection ();
				return data; 
			}
			set { data = value; }
		}
		
		public bool HasItemData {
			get { return data != null && data.Count > 0; }
		}
		
		public bool UniqueNames {
			get { return uniqueNames; }
			set { uniqueNames = value; }
		}
		
		public DataNode this [string name] {
			get {
				if (data == null) return null;
				return data [name];
			}
		}
		
		public DataNode Extract (string name)
		{
			if (data == null) return null;
			return data.Extract (name);
		}
		
		public override string ToString ()
		{
			return ToString (0);
		}
		
		internal override string ToString (int indent)
		{
			string ind = new string (' ', indent);
			string str = ind + "[" + Name + "]\n";
			foreach (DataNode nod in ItemData)
				str += nod.ToString (indent + 4) + "\n";
			str += ind + "[/" + Name + "]";
			return str;
		}


	}
}
