private void sortColumnHeader_Click(object sender, DataGridViewCellMouseEventArgs e)
{
if (Rows.Count < 1)
{
return;
}
columnToBeSortedIndex = e.ColumnIndex;
if (Columns[columnToBeSortedIndex].SortMode == DataGridViewColumnSortMode.NotSortable)
{
return;
}
CollapsingPoolHostDataGridViewRow firstRow = Rows[0] as CollapsingPoolHostDataGridViewRow;
if (firstRow == null)
{
return;
}
DetermineSortDirection(e);
if (columnToBeSortedIndex == firstRow.NameCellIndex)
{
SortAndRebuildTree(new CollapsingPoolHostDataGridViewRowDefaultSorter(direction));
}
SortAdditionalColumns();
Columns[columnToBeSortedIndex].HeaderCell.SortGlyphDirection =
direction == ListSortDirection.Ascending
? SortOrder.Ascending
: SortOrder.Descending;
}
/// <summary>
/// Interface member correcting the sort for the direction required
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns>0,1 or -1 depending on the comparison</returns>
public int Compare(object x, object y)
{
if (x == null || y == null)
return 1;
lhs = x as CollapsingPoolHostDataGridViewRow;
rhs = y as CollapsingPoolHostDataGridViewRow;
if (lhs == null || rhs == null)
return 1;
if (direction == ListSortDirection.Ascending)
return PerformSort();
else
return -1 * PerformSort();
}
/// <summary>
/// Interface member correcting the sort for the direction required
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns>0,1 or -1 depending on the comparison</returns>
public int Compare(object x, object y)
{
if (x == null || y == null)
{
return(1);
}
lhs = x as CollapsingPoolHostDataGridViewRow;
rhs = y as CollapsingPoolHostDataGridViewRow;
if (lhs == null || rhs == null)
{
return(1);
}
if (direction == ListSortDirection.Ascending)
{
return(PerformSort());
}
else
{
return(-1 * PerformSort());
}
}
