private UndoCommand SpreadSheetUndo()
{
ICommandInterface command = this.undoStack.Pop();
UndoCommand newCommand = command as UndoCommand;
while (newCommand.Content == null)
{
command = this.undoStack.Pop();
newCommand = command as UndoCommand;
}
if (newCommand.CommandType == CommandType.Text)
{
ICommandInterface newRedoCommand = new RedoCommand(newCommand.CommandType, newCommand.Cell, newCommand.Cell.Text);
this.redoStack.Push(newRedoCommand);
}
else if (newCommand.CommandType == CommandType.Color)
{
ICommandInterface newRedoCommand = new RedoCommand(newCommand.CommandType, newCommand.Cell, newCommand.Cell.Color.ToString());
this.redoStack.Push(newRedoCommand);
}
command.Action();
return(newCommand);
}
/// <summary>
/// Spreadsheet undo execute.
/// </summary>
public void SpreadSheetUndo()
{
ICommandInterface command = this.undoStack.Pop();
UndoCommand newCommand = command as UndoCommand;
if (newCommand.CommandType == CommandType.Text)
{
ICommandInterface newRedoCommand = new RedoCommand(newCommand.CommandType, newCommand.Cell, newCommand.Cell.Text);
this.redoStack.Push(newRedoCommand);
}
else if (newCommand.CommandType == CommandType.Color)
{
ICommandInterface newRedoCommand = new RedoCommand(newCommand.CommandType, newCommand.Cell, newCommand.Cell.Color.ToString());
this.redoStack.Push(newRedoCommand);
}
command.Action();
}
private RedoCommand SpreadSheetRedo()
{
ICommandInterface command = this.redoStack.Pop();
RedoCommand newCommand = command as RedoCommand;
if (newCommand.CommandType == CommandType.Text)
{
ICommandInterface newUndoCommand = new UndoCommand(newCommand.CommandType, newCommand.Cell, newCommand.Cell.Text);
this.UndoStack.Push(newUndoCommand);
}
else if (newCommand.CommandType == CommandType.Color)
{
ICommandInterface newUndoCommand = new UndoCommand(newCommand.CommandType, newCommand.Cell, newCommand.Cell.Color.ToString());
this.undoStack.Push(newUndoCommand);
}
command.Action();
return(newCommand);
}
