/// <summary>
/// Finds the appropriate cell to move.
/// </summary>
/// <param name="parentCell">The parent cell.</param>
/// <param name="lowerLimit">The lower limit.</param>
/// <param name="upperLimit">The upper limit.</param>
/// <param name="moveDirection">The move direction.</param>
/// <returns>CellBase.</returns>
internal static CellBase FindAppropriateCellToMove(CellBase parentCell, double lowerLimit, double upperLimit, SideDirection moveDirection)
{
var parentCellBeginsAt = 0.0;
var parentCellEndsAt = 0.0;
Func<CellBase, CellBase> calculator = null;
calculator = cell =>
{
var currentCell = cell;
var spreadsheet = currentCell.HasNested ? ((StackCell)currentCell).ChildSpreadsheet : null;
var detailCell = currentCell as DetailCell;
if (detailCell != null)
{
parentCellBeginsAt = parentCellEndsAt;
parentCellEndsAt += currentCell.Container.ActualHeight;
if (spreadsheet != null && spreadsheet.IsVisible)
parentCellEndsAt -= spreadsheet.ActualHeight;
if (CellSuites(parentCellBeginsAt, parentCellEndsAt, upperLimit, lowerLimit))
return currentCell;
}
if (spreadsheet != null && spreadsheet.Items.Any() && spreadsheet.IsVisible)
{
foreach (IWrap item in spreadsheet.Items)
{
var itemContainer = spreadsheet.GetContainerFromItem(item);
currentCell = moveDirection == SideDirection.Right ? itemContainer.Cells[itemContainer.Owner.FirstRowIndex] : itemContainer.Cells.Last();
var expectant = calculator(currentCell);
if (expectant != null)
return expectant;
}
}
else
{
parentCellBeginsAt = parentCellEndsAt;
parentCellEndsAt += currentCell.Container.ActualHeight;
}
if (CellSuites(parentCellBeginsAt, parentCellEndsAt, upperLimit, lowerLimit))
return currentCell;
return null;
};
return calculator(parentCell);
}
/// <summary>
/// Unselects the specified cell.
/// </summary>
/// <param name="cell">The cell.</param>
/// <param name="caller">The caller.</param>
public void Unselect(CellBase cell, SpreadsheetView caller = null)
{
foreach (var child in _childSpreadsheets.Where(x => x.IsVisible))
{
if (child != caller)
child.Unselect(cell, caller);
}
foreach (var item in Items)
{
var container = GetContainerFromItem((IWrap) item);
if (container != null)
container.Unselect(cell);
}
}
/// <summary>
/// Draws the horizontal lines.
/// </summary>
/// <param name="cell">The cell.</param>
/// <param name="topLevelSpreadSheet">The top level spread sheet.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
private static bool DrawHorizontalLines(CellBase cell, SpreadsheetView topLevelSpreadSheet)
{
if ((topLevelSpreadSheet.GridLinesVisibility & GridLinesVisibility.Horizontal) == GridLinesVisibility.Horizontal)
{
if (cell != null && cell.Owner.Items.Any() && !cell.Owner.Items.Last().Equals(cell.Container.Item))
{
return true;
}
}
return false;
}
/// <summary>
/// Draws the vertical lines.
/// </summary>
/// <param name="cell">The cell.</param>
/// <param name="topLevelSpreadSheet">The top level spread sheet.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
private static bool DrawVerticalLines(CellBase cell, SpreadsheetView topLevelSpreadSheet)
{
if ((topLevelSpreadSheet.GridLinesVisibility & GridLinesVisibility.Vertical) == GridLinesVisibility.Vertical)
{
var stackCell = cell as StackCell;
if (cell != null && (cell.Owner.Columns.Last() != cell.Column || cell.Owner.ParentSpreadsheet != null) && ((!cell.HasNested || (stackCell != null && (stackCell.ChildSpreadsheet == null || !stackCell.ChildSpreadsheet.Items.Any())))))
{
return true;
}
}
return false;
}
/// <summary>
/// Unselects the specified cell.
/// </summary>
/// <param name="cell">The cell.</param>
public void Unselect(CellBase cell)
{
foreach (var value in Cells)
{
if (value != cell && value.IsSelected)
value.IsSelected = false;
}
}
