Disabling Nuvoton NCT6791D because of fan full speed bug on Asus Z97 WS.
2 using System.Collections.Generic;
5 using Aga.Controls.Tree.NodeControls;
7 namespace Aga.Controls.Tree
9 public class AutoRowHeightLayout: IRowLayout
11 private DrawContext _measureContext;
12 private TreeViewAdv _treeView;
13 private List<Rectangle> _rowCache;
15 public AutoRowHeightLayout(TreeViewAdv treeView, int rowHeight)
17 _rowCache = new List<Rectangle>();
19 PreferredRowHeight = rowHeight;
20 _measureContext = new DrawContext();
21 _measureContext.Graphics = Graphics.FromImage(new Bitmap(1, 1));
24 private int _rowHeight;
25 public int PreferredRowHeight
27 get { return _rowHeight; }
28 set { _rowHeight = value; }
32 public int PageRowCount
36 if (_treeView.RowCount == 0)
40 int pageHeight = _treeView.DisplayRectangle.Height - _treeView.ColumnHeaderHeight;
42 for (int i = _treeView.RowCount - 1; i >= 0; i--)
46 return Math.Max(0, _treeView.RowCount - 1 - i);
48 return _treeView.RowCount;
53 public int CurrentPageSize
57 if (_treeView.RowCount == 0)
61 int pageHeight = _treeView.DisplayRectangle.Height - _treeView.ColumnHeaderHeight;
63 for (int i = _treeView.FirstVisibleRow; i < _treeView.RowCount; i++)
67 return Math.Max(0, i - _treeView.FirstVisibleRow);
69 return Math.Max(0, _treeView.RowCount - _treeView.FirstVisibleRow);
74 public Rectangle GetRowBounds(int rowNo)
76 if (rowNo >= _rowCache.Count)
78 int count = _rowCache.Count;
79 int y = count > 0 ? _rowCache[count - 1].Bottom : 0;
80 for (int i = count; i <= rowNo; i++)
82 int height = GetRowHeight(i);
83 _rowCache.Add(new Rectangle(0, y, 0, height));
86 if (rowNo < _rowCache.Count - 1)
87 return Rectangle.Empty;
89 if (rowNo >= 0 && rowNo < _rowCache.Count)
90 return _rowCache[rowNo];
92 return Rectangle.Empty;
95 private int GetRowHeight(int rowNo)
97 if (rowNo < _treeView.RowMap.Count)
99 TreeNodeAdv node = _treeView.RowMap[rowNo];
100 if (node.Height == null)
103 _measureContext.Font = _treeView.Font;
104 foreach (NodeControl nc in _treeView.NodeControls)
106 int h = nc.GetActualSize(node, _measureContext).Height;
112 return node.Height.Value;
118 public int GetRowAt(Point point)
120 int py = point.Y - _treeView.ColumnHeaderHeight;
122 for (int i = _treeView.FirstVisibleRow; i < _treeView.RowCount; i++)
124 int h = GetRowHeight(i);
125 if (py >= y && py < y + h)
133 public int GetFirstRow(int lastPageRow)
135 int pageHeight = _treeView.DisplayRectangle.Height - _treeView.ColumnHeaderHeight;
137 for (int i = lastPageRow; i >= 0; i--)
139 y += GetRowHeight(i);
141 return Math.Max(0, i + 1);
146 public void ClearCache()