using System;

using System.Collections.Generic;

using System.Text;

namespace Aga.Controls.Tree

{

	public class TreeModelEventArgs: TreePathEventArgs

	{

		private object[] _children;

		public object[] Children

		{

			get { return _children; }

		}

		private int[] _indices;

		public int[] Indices

		{

			get { return _indices; }

		}

		/// <summary>

		/// 

		/// </summary>

		/// <param name="parent">Path to a parent node</param>

		/// <param name="children">Child nodes</param>

		public TreeModelEventArgs(TreePath parent, object[] children)

			: this(parent, null, children)

		{

		}

		/// <summary>

		/// 

		/// </summary>

		/// <param name="parent">Path to a parent node</param>

		/// <param name="indices">Indices of children in parent nodes collection</param>

		/// <param name="children">Child nodes</param>

		public TreeModelEventArgs(TreePath parent, int[] indices, object[] children)

			: base(parent)

		{

			if (children == null)

				throw new ArgumentNullException();

			if (indices != null && indices.Length != children.Length)

				throw new ArgumentException("indices and children arrays must have the same length");

			_indices = indices;

			_children = children;

		}

	}

}