/// <summary>
/// Tabs to previous.
/// </summary>
/// <param name="spreadsheet">The spreadsheet.</param>
public static bool TabToPrevious(this SpreadsheetView spreadsheet)
{
if (spreadsheet == null)
return false;
var navigationInfo = new NavigationInfo(CommandType.TabPrevious);
var selectedCells = spreadsheet.GetTopLevelSpreadsheet().GetSelectedCells();
if (selectedCells == null || !selectedCells.Any())
{
navigationInfo = spreadsheet.SelectLast(navigationInfo);
if (navigationInfo.ActionState == MoveStates.NoItems)
return false;
}
else
{
var firstSelected = selectedCells.First();
navigationInfo.InitialCell = firstSelected;
navigationInfo = firstSelected.ProcessSelectionCommand(navigationInfo);
if (navigationInfo.Command == CommandType.StopNavigation)
return false;
}
return true;
}
/// <summary>
/// Selects the cell.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
protected override NavigationInfo SelectCell(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
if (navigationInfo.ActionState == MoveStates.Default && (navigationInfo.Step > 1 ||
!navigationInfo.CurrentCell.Equals(navigationInfo.InitialCell)))
{
if (Column.IsSelectable)
{
switch (navigationInfo.Command)
{
case CommandType.MoveUp:
if (navigationInfo.InitialCell.Column == navigationInfo.CurrentCell.Column)
navigationInfo = SelectColumnToMove(navigationInfo, SideDirection.Up);
break;
case CommandType.MoveDown:
navigationInfo = SelectFirst(navigationInfo);
break;
}
if (navigationInfo.ActionState != MoveStates.Ok)
navigationInfo = base.SelectCell(navigationInfo);
}
else
navigationInfo.ActionState = MoveStates.IsNotSelectable;
}
return navigationInfo;
}
/// <summary>
/// Selects the cell.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="index">The index.</param>
/// <returns>NavigationInfo.</returns>
private NavigationInfo SelectCell(IWrap item, int index)
{
var navigationInfo = new NavigationInfo();
var ic = GetContainerFromItem(item);
if (ic != null)
navigationInfo = ic.SelectByIndex(index);
else
navigationInfo.ActionState = MoveStates.Fail;
return navigationInfo;
}
/// <summary>
/// Jumps to next cell.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
internal NavigationInfo JumpToNextCell(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam;
if (navigationInfo.Command == CommandType.TabNext)
{
switch (navigationInfo.ActionState)
{
case MoveStates.Rightmost:
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = SelectFirst(navigationInfo);
break;
case MoveStates.Lowermost:
navigationInfo = Owner.ParentCell.ProcessSelectionCommand(navigationInfo);
break;
case MoveStates.Bottommost:
//navigationInfo.ActionState = MoveStates.Default;
//navigationInfo = Owner.GetContainerFromItem(Owner.Items.First() as IWrap).SelectFirst(navigationInfo);
navigationInfo = new NavigationInfo(CommandType.StopNavigation);
break;
}
}
else if (navigationInfo.Command == CommandType.TabPrevious)
{
switch (navigationInfo.ActionState)
{
case MoveStates.Leftmost:
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = SelectLast(navigationInfo);
break;
case MoveStates.Uppermost:
navigationInfo = Owner.ParentCell.ProcessSelectionCommand(navigationInfo);
break;
case MoveStates.Topmost:
//navigationInfo.ActionState = MoveStates.Default;
//navigationInfo = Owner.GetContainerFromItem(Owner.Items.Last() as IWrap).SelectLast(navigationInfo);
navigationInfo = new NavigationInfo(CommandType.StopNavigation);
break;
}
}
else if (navigationInfo.Command == CommandType.MoveUp)
{
switch (navigationInfo.ActionState)
{
case MoveStates.Default:
navigationInfo = JumpToColumn(navigationInfo); break;
case MoveStates.Uppermost:
navigationInfo = Owner.ParentCell.ProcessSelectionCommand(navigationInfo);
break;
case MoveStates.Topmost:
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = Owner.GetContainerFromItem(Owner.Items.Last() as IWrap).JumpToNextCell(navigationInfo);
break;
}
}
else if (navigationInfo.Command == CommandType.MoveDown)
{
switch (navigationInfo.ActionState)
{
case MoveStates.Default:
navigationInfo = JumpToColumn(navigationInfo); break;
case MoveStates.Lowermost:
navigationInfo = Owner.ParentCell.ProcessSelectionCommand(navigationInfo);
break;
case MoveStates.Bottommost:
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = Owner.GetContainerFromItem(Owner.Items.First() as IWrap).JumpToNextCell(navigationInfo);
break;
}
}
return navigationInfo;
}
/// <summary>
/// Selects the last.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
public NavigationInfo SelectLast(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
if (Items.Count == 0)
{
navigationInfo.ActionState = MoveStates.NoItems;
return navigationInfo;
}
var container = GetContainerFromItem(Items.Last() as IWrap);
if (container != null)
navigationInfo = container.SelectLast(navigationInfo);
else
navigationInfo.ActionState = MoveStates.Fail;
return navigationInfo;
}
/// <summary>
/// Selects the previous.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
public NavigationInfo SelectPrevious(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
var index = Cells.IndexOf(navigationInfo.CurrentCell);
if (index > Owner.FirstRowIndex) // Not the first cell in a row
{
var newCell = Cells[index - 1];
navigationInfo = newCell.ProcessSelectionCommand(navigationInfo);
}
else // first cell in a row
{
navigationInfo.ActionState = MoveStates.Leftmost;
navigationInfo = navigationInfo.CurrentCell.ProcessSelectionCommand(navigationInfo);
}
return navigationInfo;
}
/// <summary>
/// Selects the by column.
/// </summary>
/// <param name="column">The column.</param>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
public NavigationInfo SelectByColumn(IColumn column, NavigationInfo navInfoParam = null)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
if (!Cells.Any())
{
navigationInfo.ActionState = MoveStates.Fail;
return navigationInfo;
}
return SelectByIndex(Owner.Columns.IndexOf(column), navigationInfo);
}
/// <summary>
/// Selects the last.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
protected override NavigationInfo SelectLast(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
if (ChildSpreadsheet != null && ChildSpreadsheet.IsVisible && !navigationInfo.SelectParents)
navigationInfo = ChildSpreadsheet.SelectLast(navigationInfo);
else
navigationInfo = SelectFirst(navigationInfo);
return navigationInfo;
}
/// <summary>
/// Tabs to previous.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
protected override NavigationInfo TabToPrevious(NavigationInfo navInfoParam)
{
var navigationInfo = base.TabToPrevious(navInfoParam);
switch (navigationInfo.ActionState)
{
case MoveStates.Uppermost:
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = Container.SelectPrevious(navigationInfo); break;
}
return navigationInfo;
}
/// <summary>
/// Moves down.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
protected override NavigationInfo MoveDown(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
switch (navigationInfo.ActionState)
{
case MoveStates.Default:
case MoveStates.Lowermost:
if (ValuePresenter.IsSelected &&
(ChildSpreadsheet != null && ChildSpreadsheet.IsVisible && ChildSpreadsheet.Items.Any()))
{
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = ChildSpreadsheet.GetContainerFromItem(ChildSpreadsheet.Items.First() as IWrap).JumpToNextCell(navigationInfo);
}
else
{
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = Container.SelectNextRowCell(navigationInfo);
}
break;
case MoveStates.Bottommost:
if (ValuePresenter.IsSelected &&
(ChildSpreadsheet != null && ChildSpreadsheet.IsVisible && ChildSpreadsheet.Items.Any()))
{
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = ChildSpreadsheet.GetContainerFromItem(ChildSpreadsheet.Items.First() as IWrap).JumpToNextCell(navigationInfo);
}
else
{
var container = Owner.GetContainerFromItem(Owner.Items.First() as IWrap);
if (container != null)
{
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = container.JumpToNextCell(navigationInfo);
}
else
navigationInfo.ActionState = MoveStates.Fail;
}
break;
}
navigationInfo = base.MoveDown(navigationInfo);
return navigationInfo;
}
/// <summary>
/// Selects the first.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
protected override NavigationInfo SelectFirst(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
navigationInfo = PerformSelection(navigationInfo);
return navigationInfo;
}
/// <summary>
/// Moves up.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
protected override NavigationInfo MoveUp(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
switch (navigationInfo.ActionState)
{
case MoveStates.Uppermost:
if (ValuePresenter.IsSelected)
navigationInfo = Container.SelectPrevRowCell(navigationInfo);
else
{
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = PerformSelection(navigationInfo);
}
break;
case MoveStates.Topmost:
if (ValuePresenter.IsSelected)
{
var container = Owner.GetContainerFromItem(Owner.Items.Last() as IWrap);
if (container != null)
{
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = container.JumpToNextCell(navigationInfo);
}
else
navigationInfo.ActionState = MoveStates.Fail;
}
else
{
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = PerformSelection(navigationInfo);
}
break;
}
navigationInfo = base.MoveUp(navigationInfo);
return navigationInfo;
}
/// <summary>
/// Tabs to previous.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
protected override NavigationInfo TabToPrevious(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
switch (navigationInfo.ActionState)
{
case MoveStates.Uppermost:
if (!ValuePresenter.IsSelected)
navigationInfo = SelectFirst(navigationInfo);
break;
}
navigationInfo = base.TabToPrevious(navInfoParam);
return navigationInfo;
}
/// <summary>
/// Tabs to next.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
protected override NavigationInfo TabToNext(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
switch (navigationInfo.ActionState)
{
case MoveStates.Default:
if (ValuePresenter.IsSelected && ChildSpreadsheet != null && ChildSpreadsheet.IsVisible)
navigationInfo = base.SelectFirst(navigationInfo);
break;
}
navigationInfo = base.TabToNext(navigationInfo);
return navigationInfo;
}
/// <summary>
/// Selects the last.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
public NavigationInfo SelectLast(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
if (!Cells.Any())
navigationInfo.ActionState = MoveStates.Fail;
else
{
var newCell = Cells.Last();
if (navigationInfo.InitialCell == null)
navigationInfo.InitialCell = newCell;
navigationInfo = newCell.ProcessSelectionCommand(navigationInfo);
}
return navigationInfo;
}
/// <summary>
/// Moves down.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
protected override NavigationInfo MoveDown(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
switch (navigationInfo.ActionState)
{
case MoveStates.Lowermost:
if (IsSelected)
{
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = Owner.ParentCell.Container.SelectNextRowCell(navigationInfo);
}
else
{
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = Container.SelectNextRowCell(navigationInfo);
}
break;
}
navigationInfo = base.MoveDown(navigationInfo);
return navigationInfo;
}
/// <summary>
/// Selects the next.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
public NavigationInfo SelectNext(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
var index = Cells.IndexOf(navigationInfo.CurrentCell);
if (Cells.Count - 1 > index) // Not the last cell in a row
{
var newCell = Cells[index + 1];
navigationInfo = newCell.ProcessSelectionCommand(navigationInfo);
}
else // last cell in a row
{
navigationInfo.ActionState = MoveStates.Rightmost;
navigationInfo = navigationInfo.CurrentCell.ProcessSelectionCommand(navigationInfo);
}
return navigationInfo;
}
/// <summary>
/// Selects the last.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
protected virtual NavigationInfo SelectLast(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
if (ChildSpreadsheet != null && !navigationInfo.SelectParents)
navigationInfo = ChildSpreadsheet.SelectLast(navigationInfo);
else
navigationInfo.ActionState = MoveStates.NoItems;
return navigationInfo;
}
/// <summary>
/// Selects the previous row cell.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
public NavigationInfo SelectPrevRowCell(NavigationInfo navInfoParam)
{
return _owner.SelectPrevRowCell(navInfoParam, this);
}
/// <summary>
/// Selects the first cell from last container.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
protected virtual NavigationInfo SelectFirstCellFromLastContainer(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
if (ChildSpreadsheet != null && ChildSpreadsheet.IsVisible && ChildSpreadsheet.Items.Any() && !navigationInfo.SelectParents)
{
var container = ChildSpreadsheet.GetContainerFromItem(ChildSpreadsheet.Items.Last() as IWrap);
if (container != null)
navigationInfo = container.SelectFirst(navigationInfo);
else
navigationInfo = ChildSpreadsheet.SelectFirst(navigationInfo);
}
else
navigationInfo.ActionState = MoveStates.NoItems;
return navigationInfo;
}
/// <summary>
/// Selects the index of the by.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
/// <exception cref="System.ArgumentOutOfRangeException"></exception>
public NavigationInfo SelectByIndex(int index, NavigationInfo navInfoParam = null)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
if (Cells.Count < index)
throw new ArgumentOutOfRangeException(string.Format(CultureInfo.InvariantCulture, "index {0} is out of range", index));
if (index == -1)
{
navigationInfo.ActionState = MoveStates.Fail;
return navigationInfo;
}
var newCell = Cells[index];
return newCell.ProcessSelectionCommand(navigationInfo);
}
/// <summary>
/// Selects the column to move.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <param name="moveDirection">The move direction.</param>
/// <returns>NavigationInfo.</returns>
protected virtual NavigationInfo SelectColumnToMove(NavigationInfo navInfoParam, SideDirection moveDirection)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
var minLevel = 1;
IColumn theDeepestColumn = null;
foreach (var column in CellSelectionInspector.CellsSelectedChain.Where(x => x.LevelOfInheritance > 0))
{
if (minLevel < column.LevelOfInheritance)
{
minLevel = column.LevelOfInheritance;
theDeepestColumn = column;
}
}
if (theDeepestColumn == null || theDeepestColumn.LevelOfInheritance <= Column.LevelOfInheritance)
{
if (moveDirection == SideDirection.Up)
navigationInfo = SelectFirstCellFromLastContainer(navigationInfo);
else if (moveDirection == SideDirection.Down)
navigationInfo = SelectFirst(navigationInfo);
}
else
{
CellSelectionInspector.CellsSelectedChain.RemoveAll(x => x != theDeepestColumn);
if (ChildSpreadsheet != null && ChildSpreadsheet.IsVisible && ChildSpreadsheet.Items.Any())
{
IColumn column;
if (theDeepestColumn.LevelOfInheritance == Column.LevelOfInheritance + 1)
column = theDeepestColumn;
else
column = theDeepestColumn.GetParentColumnOfLevel(Column.LevelOfInheritance + 1);
IWrap item = null;
if (moveDirection == SideDirection.Up)
item = ChildSpreadsheet.Items.Last() as IWrap;
else if (moveDirection == SideDirection.Down)
item = ChildSpreadsheet.Items.First() as IWrap;
var container = ChildSpreadsheet.GetContainerFromItem(item);
if (column != null && container != null)
{
container.SelectByColumn(column, navigationInfo);
}
}
if (navigationInfo.ActionState != MoveStates.Ok)
{
if (moveDirection == SideDirection.Up)
navigationInfo = SelectFirstCellFromLastContainer(navigationInfo);
else if (moveDirection == SideDirection.Down)
navigationInfo = SelectFirst(navigationInfo);
}
}
return navigationInfo;
}
/// <summary>
/// Jumps to column.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
private NavigationInfo JumpToColumn(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam;
var targetColumn = CellSelectionInspector.CellsSelectedChain.FirstOrDefault(x => Owner.Columns.Contains(x));
if (targetColumn != null)
navigationInfo = SelectByColumn(targetColumn, navigationInfo);
else
{
targetColumn = navigationInfo.CurrentCell.Column;
while (targetColumn != null && !Owner.Columns.Contains(targetColumn))
targetColumn = targetColumn.ParentColumn;
if (targetColumn != null)
navigationInfo = SelectByColumn(targetColumn, navigationInfo);
else
SelectFirst(navigationInfo);
}
return navigationInfo;
}
/// <summary>
/// Moves the left or right.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <param name="moveDirection">The move direction.</param>
/// <returns>NavigationInfo.</returns>
private NavigationInfo MoveLeftOrRight(NavigationInfo navInfoParam, SideDirection moveDirection)
{
var navigationInfo = navInfoParam;
if (CellSelectionInspector.CellHierarchyPath.Any())
{
var coordinates = navigationInfo.InitialCell.GetCellCoordinates(moveDirection);
var targetCell = NavigationHelper.FindAppropriateCellToMove(this, coordinates.CellBeginsAt, coordinates.CellEndsAt, moveDirection);
CellSelectionInspector.CellHierarchyPath.Clear();
if (targetCell != null)
navigationInfo = targetCell.ProcessSelectionCommand(navigationInfo);
}
else
{
if (moveDirection == SideDirection.Right)
navigationInfo = SelectFirst(navigationInfo);
else if (moveDirection == SideDirection.Left)
{
if (this is DetailCell)
navigationInfo = SelectFirst(navigationInfo);
else
{
if (ChildSpreadsheet != null && ChildSpreadsheet.Items.Any())
{
var container = ChildSpreadsheet.GetContainerFromItem(ChildSpreadsheet.Items[0] as IWrap);
if (container != null)
navigationInfo = container.SelectLast(navigationInfo);
else
navigationInfo = SelectLast(navigationInfo);
}
else
navigationInfo = SelectLast(navigationInfo);
}
}
}
return navigationInfo;
}
/// <summary>
/// Selects the next row cell.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <param name="spreadsheetItemContainer">The spreadsheet item container.</param>
/// <returns>NavigationInfo.</returns>
public NavigationInfo SelectNextRowCell(NavigationInfo navInfoParam, SpreadsheetItemContainer spreadsheetItemContainer)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
if (spreadsheetItemContainer == null)
{
navigationInfo.ActionState = MoveStates.Fail;
return navigationInfo;
}
var index = spreadsheetItemContainer.Item != null ? spreadsheetItemContainer.Item.Index : -1;
if (index < 0)
{
navigationInfo.ActionState = MoveStates.Fail;
return navigationInfo;
}
if (index >= Items.Count - 1) // last row
{
if (ParentSpreadsheet == null) // top-level last row
navigationInfo.ActionState = MoveStates.Bottommost;
else
navigationInfo.ActionState = MoveStates.Lowermost;
navigationInfo = spreadsheetItemContainer.JumpToNextCell(navigationInfo);
}
else
{
var container = GetContainerFromItem(Items[index + 1] as IWrap);
if (container != null)
{
navigationInfo = container.JumpToNextCell(navigationInfo);
}
else
navigationInfo.ActionState = MoveStates.Fail;
}
return navigationInfo;
}
/// <summary>
/// Selects the cell.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
protected override NavigationInfo SelectCell(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
if (navigationInfo.ActionState == MoveStates.Default && (navigationInfo.Step > 1 ||
!navigationInfo.CurrentCell.Equals(navigationInfo.InitialCell)))
{
if (Column.IsSelectable)
{
switch (navigationInfo.Command)
{
case CommandType.Undefined:
case CommandType.TabNext:
navigationInfo = SelectFirst(navigationInfo);
break;
case CommandType.TabPrevious:
navigationInfo = SelectLast(navigationInfo);
break;
case CommandType.MoveRight:
navigationInfo = MoveLeftOrRight(navigationInfo, SideDirection.Right);
break;
case CommandType.MoveLeft:
navigationInfo = MoveLeftOrRight(navigationInfo, SideDirection.Left);
break;
case CommandType.MoveUp:
navigationInfo = SelectColumnToMove(navigationInfo, SideDirection.Up);
break;
case CommandType.MoveDown:
navigationInfo = SelectColumnToMove(navigationInfo, SideDirection.Down);
break;
}
}
else
navigationInfo.ActionState = MoveStates.IsNotSelectable;
}
if (navigationInfo.ActionState == MoveStates.NoItems)
{
navigationInfo.ActionState = MoveStates.Default;
base.SelectCell(navigationInfo);
}
return navigationInfo;
}
/// <summary>
/// Moves down.
/// </summary>
/// <param name="spreadsheet">The spreadsheet.</param>
public static void MoveDown(this SpreadsheetView spreadsheet)
{
if (spreadsheet == null)
return;
var navigationInfo = new NavigationInfo(CommandType.MoveDown);
var selectedCells = spreadsheet.GetTopLevelSpreadsheet().GetSelectedCells();
if (selectedCells == null || !selectedCells.Any())
{
spreadsheet.SelectFirst(navigationInfo);
}
else
{
var firstSelected = selectedCells.First();
navigationInfo.InitialCell = firstSelected;
if (firstSelected is StackCell)
navigationInfo.SelectParents = true;
firstSelected.ProcessSelectionCommand(navigationInfo);
}
}
/// <summary>
/// Selects the first.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
public NavigationInfo SelectFirst(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
if (!Cells.Any())
navigationInfo.ActionState = MoveStates.Fail;
else
{
if (navigationInfo.InitialCell == null && navigationInfo.CurrentCell == null)
navigationInfo.InitialCell = Cells[0];
navigationInfo = Cells[0].ProcessSelectionCommand(navigationInfo);
}
return navigationInfo;
}
/// <summary>
/// Moves the right.
/// </summary>
/// <param name="spreadsheet">The spreadsheet.</param>
public static void MoveRight(this SpreadsheetView spreadsheet)
{
if (spreadsheet == null)
return;
var navigationInfo = new NavigationInfo(CommandType.MoveRight);
var selectedCells = spreadsheet.GetTopLevelSpreadsheet().GetSelectedCells();
if (selectedCells == null || !selectedCells.Any())
{
spreadsheet.SelectFirst(navigationInfo);
}
else
{
var lastSelected = selectedCells.Last();
navigationInfo.InitialCell = lastSelected;
lastSelected.ProcessSelectionCommand(navigationInfo);
}
}
/// <summary>
/// Moves down.
/// </summary>
/// <param name="navInfoParam">The nav information parameter.</param>
/// <returns>NavigationInfo.</returns>
protected virtual NavigationInfo MoveDown(NavigationInfo navInfoParam)
{
var navigationInfo = navInfoParam ?? new NavigationInfo();
switch (navigationInfo.ActionState)
{
case MoveStates.Default:
navigationInfo = Container.SelectNextRowCell(navigationInfo); break;
case MoveStates.Lowermost:
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = Owner.ParentCell.Container.SelectNextRowCell(navigationInfo);
break;
case MoveStates.Bottommost:
var container = Owner.GetContainerFromItem(Owner.Items.First() as IWrap);
if (container != null)
{
navigationInfo.ActionState = MoveStates.Default;
navigationInfo = container.JumpToNextCell(navigationInfo);
}
else
navigationInfo.ActionState = MoveStates.Fail;
break;
}
return navigationInfo;
}