private void CreateCellsForColumn(int insertIndex, TableColumn <T> column)
{
SuspendLayout();
try
{
List <TableCell> cells;
if (_lstItems != null)
{
cells = new List <TableCell>(_lstItems.Count);
for (int i = 0; i < _lstItems.Count; i++)
{
T item = _lstItems[i];
TableCell cell = CreateCell(item, column);
cells.Add(cell);
if (_filter(item))
{
TableRow row = _lstRowCells[i];
row.SuspendLayout();
try
{
row.Controls.Add(cell);
}
finally
{
row.ResumeLayout(false);
}
}
}
}
else
{
cells = new List <TableCell>(1);
}
HeaderCell header = new HeaderCell
{
Text = column.Text,
TextTag = column.Tag
};
if (column.Sorter != null)
{
header.HeaderClick += (sender, evt) =>
{
if (_sortColumn == column)
{
// cycle through states if column remains the same
switch (_eSortType)
{
case SortOrder.None:
_eSortType = SortOrder.Ascending;
break;
case SortOrder.Ascending:
_eSortType = SortOrder.Descending;
break;
case SortOrder.Descending:
_eSortType = SortOrder.None;
break;
}
}
else
{
if (_sortColumn != null)
{
// reset old column sort arrow
for (int i = 0; i < _columns.Count; i++)
{
if (_columns[i] == _sortColumn)
{
_lstCells[i].header.SortType = SortOrder.None;
break;
}
}
}
_sortColumn = column;
_eSortType = SortOrder.Ascending;
}
header.SortType = _eSortType;
Sort();
};
header.Sortable = true;
}
Controls.Add(header);
_lstCells.Insert(insertIndex, new ColumnHolder(header, cells));
}
finally
{
ResumeLayout(false);
}
}
public ColumnHolder(HeaderCell header, IList <TableCell> cells)
{
this.header = header;
this.cells = cells;
}