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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()
{
}
}
}
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Philip is a Software Architect with severaly years of experience. He studied business IT in the University of Wedel, Germany, and has reached his Masters degree in 2010. Back in 2002, he started his so far best-known software PDFCreator. The second developer joined two years later and since then, both constantly improve this piece of open source software.