using System;

 using System.Collections.Generic;

 using System.Text;

 using System.Drawing;

 namespace Aga.Controls.Tree

 {

 	internal class FixedRowHeightLayout : IRowLayout

 	{

 		private TreeViewAdv _treeView;

 		public FixedRowHeightLayout(TreeViewAdv treeView, int rowHeight)

 		{

 			_treeView = treeView;

 			PreferredRowHeight = rowHeight;

 		}

 		private int _rowHeight;

 		public int PreferredRowHeight

 		{

 			get { return _rowHeight; }

 			set { _rowHeight = value; }

 		}

 		public Rectangle GetRowBounds(int rowNo)

 		{

 			return new Rectangle(0, rowNo * _rowHeight, 0, _rowHeight);

 		}

 		public int PageRowCount

 		{

 			get

 			{

 				return Math.Max((_treeView.DisplayRectangle.Height - _treeView.ColumnHeaderHeight) / _rowHeight, 0);

 			}

 		}

 		public int CurrentPageSize

 		{

 			get

 			{

 				return PageRowCount;

 			}

 		}

 		public int GetRowAt(Point point)

 		{

 			point = new Point(point.X, point.Y + (_treeView.FirstVisibleRow * _rowHeight) - _treeView.ColumnHeaderHeight);

 			return point.Y / _rowHeight;

 		}

 		public int GetFirstRow(int lastPageRow)

 		{

 			return Math.Max(0, lastPageRow - PageRowCount + 1);

 		}

 		public void ClearCache()

 		{

 		}

 	}

 }