External/Aga.Controls/Tree/TreePath.cs
changeset 345 0c551e8818e0
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/External/Aga.Controls/Tree/TreePath.cs	Sun May 27 15:16:19 2012 +0000
     1.3 @@ -0,0 +1,68 @@
     1.4 +using System;
     1.5 +using System.Text;
     1.6 +using System.Collections.ObjectModel;
     1.7 +
     1.8 +namespace Aga.Controls.Tree
     1.9 +{
    1.10 +	public class TreePath
    1.11 +	{
    1.12 +		[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")]
    1.13 +		public static readonly TreePath Empty = new TreePath();
    1.14 +
    1.15 +		private object[] _path;
    1.16 +		public object[] FullPath
    1.17 +		{
    1.18 +			get { return _path; }
    1.19 +		}
    1.20 +
    1.21 +		public object LastNode
    1.22 +		{
    1.23 +			get
    1.24 +			{
    1.25 +				if (_path.Length > 0)
    1.26 +					return _path[_path.Length - 1];
    1.27 +				else
    1.28 +					return null;
    1.29 +			}
    1.30 +		}
    1.31 +
    1.32 +		public object FirstNode
    1.33 +		{
    1.34 +			get
    1.35 +			{
    1.36 +				if (_path.Length > 0)
    1.37 +					return _path[0];
    1.38 +				else
    1.39 +					return null;
    1.40 +			}
    1.41 +		}
    1.42 +
    1.43 +		public TreePath()
    1.44 +		{
    1.45 +			_path = new object[0];
    1.46 +		}
    1.47 +
    1.48 +		public TreePath(object node)
    1.49 +		{
    1.50 +			_path = new object[] { node };
    1.51 +		}
    1.52 +
    1.53 +		public TreePath(object[] path)
    1.54 +		{
    1.55 +			_path = path;
    1.56 +		}
    1.57 +
    1.58 +		public TreePath(TreePath parent, object node)
    1.59 +		{
    1.60 +			_path = new object[parent.FullPath.Length + 1];
    1.61 +			for (int i = 0; i < _path.Length - 1; i++)
    1.62 +				_path[i] = parent.FullPath[i];
    1.63 +			_path[_path.Length - 1] = node;
    1.64 +		}
    1.65 +
    1.66 +		public bool IsEmpty()
    1.67 +		{
    1.68 +			return (_path.Length == 0);
    1.69 +		}
    1.70 +	}
    1.71 +}