private CellRange GetReferenceCell(SelMove rowMove, SelMove colMove, bool extend)
{
CellRange selection = _grid.Selection;
CellRange cellRange = new CellRange(selection.Row, selection.Column);
cellRange = _grid.GetMergedRange(_grid.Cells, cellRange);
SelMove selMove = rowMove;
switch (selMove)
{
case SelMove.None:
{
cellRange.Row = selection.Row;
break;
}
case SelMove.Next:
{
cellRange.Row = cellRange.BottomRow;
break;
}
default:
{
if (selMove != SelMove.NextCell)
{
break;
}
goto case SelMove.Next;
}
}
SelMove selMove1 = colMove;
switch (selMove1)
{
case SelMove.None:
{
cellRange.Column = selection.Column;
break;
}
case SelMove.Next:
{
cellRange.Column = cellRange.RightColumn;
break;
}
default:
{
if (selMove1 != SelMove.NextCell)
{
break;
}
goto case SelMove.Next;
}
}
return cellRange;
}
public void MoveSelection(SelMove rowMove, SelMove colMove, bool extend, double pageSize)
{
RowCollection rows = _grid.Rows;
ColumnCollection columns = _grid.Columns;
CellRange referenceCell = GetReferenceCell(rowMove, colMove, extend);
if (colMove == SelMove.NextCell)
{
int num = columns.FindVisibleCell(referenceCell.Column, SelMove.Next, pageSize);
int row = referenceCell.Row;
if (num == referenceCell.Column)
{
row = rows.FindVisibleCell(row, SelMove.Next, pageSize);
if (row > referenceCell.Row)
{
num = columns.FindVisibleCell(0, SelMove.Next, pageSize);
num = columns.FindVisibleCell(num, SelMove.Previous, pageSize);
}
}
_grid.Select(row, num, true);
}
else if (colMove != SelMove.PreviousCell)
{
int num1 = rows.FindVisibleCell(referenceCell.Row, rowMove, pageSize);
int num2 = columns.FindVisibleCell(referenceCell.Column, colMove, pageSize);
if (!extend)
{
_grid.Select(num1, num2, true);
}
else
{
CellRange selection = _grid.Selection;
_grid.Select(num1, num2, selection.Row2, selection.Column2, true);
}
Point scrollPosition = _grid.ScrollPosition;
if (referenceCell.Row >= _grid.Rows.Frozen && num1 < _grid.Rows.Frozen)
{
scrollPosition.Y = 0;
}
if (referenceCell.Column >= _grid.Columns.Frozen && num2 < _grid.Columns.Frozen)
{
scrollPosition.X = 0;
}
_grid.ScrollPosition = scrollPosition;
}
else
{
int num3 = columns.FindVisibleCell(referenceCell.Column, SelMove.Previous, pageSize);
int row1 = referenceCell.Row;
if (num3 == referenceCell.Column)
{
row1 = rows.FindVisibleCell(row1, SelMove.Previous, pageSize);
if (row1 < referenceCell.Row)
{
num3 = columns.FindVisibleCell(columns.Count - 1, SelMove.Previous, pageSize);
num3 = columns.FindVisibleCell(num3, SelMove.Next, pageSize);
}
}
_grid.Select(row1, num3, true);
}
if (_grid.ActiveEditor == null)
{
Util.Util.SetFocus(_grid);
}
}
private void MoveSelection(SelMove rowMove, SelMove colMove, bool extend, double pageSize)
{
_grid.SelectionHandler.MoveSelection(rowMove, colMove, extend, pageSize);
}