Code/Tools/LuaRemoteDebugger/Aga.Controls/Tree/FixedRowHeightLayout.cs

   1 // Copyright 2001-2019 Crytek GmbH / Crytek Group. All rights reserved.
   2
   3 using System;
   4 using System.Collections.Generic;
   5 using System.Text;
   6 using System.Drawing;
   7
   8 namespace Aga.Controls.Tree
   9 {
  10         internal class FixedRowHeightLayout : IRowLayout
  11         {
  12                 private TreeViewAdv _treeView;
  13
  14                 public FixedRowHeightLayout(TreeViewAdv treeView, int rowHeight)
  15                 {
  16                         _treeView = treeView;
  17                         PreferredRowHeight = rowHeight;
  18                 }
  19
  20                 private int _rowHeight;
  21                 public int PreferredRowHeight
  22                 {
  23                         get { return _rowHeight; }
  24                         set { _rowHeight = value; }
  25                 }
  26
  27                 public Rectangle GetRowBounds(int rowNo)
  28                 {
  29                         return new Rectangle(0, rowNo * _rowHeight, 0, _rowHeight);
  30                 }
  31
  32                 public int PageRowCount
  33                 {
  34                         get
  35                         {
  36                                 return Math.Max((_treeView.DisplayRectangle.Height - _treeView.ColumnHeaderHeight) / _rowHeight, 0);
  37                         }
  38                 }
  39
  40                 public int CurrentPageSize
  41                 {
  42                         get
  43                         {
  44                                 return PageRowCount;
  45                         }
  46                 }
  47
  48                 public int GetRowAt(Point point)
  49                 {
  50                         point = new Point(point.X, point.Y + (_treeView.FirstVisibleRow * _rowHeight) - _treeView.ColumnHeaderHeight);
  51                         return point.Y / _rowHeight;
  52                 }
  53
  54                 public int GetFirstRow(int lastPageRow)
  55                 {
  56                         return Math.Max(0, lastPageRow - PageRowCount + 1);
  57                 }
  58
  59                 public void ClearCache()
  60                 {
  61                 }
  62         }
  63 }