/// <summary>
/// Redo the last undone command
/// </summary>
public void Redo()
{
if (redoStack.Count > 0)
{
IUndoable command = redoStack.Last.Value;
if (command.CanRedo)
{
command.Do();
redoStack.RemoveLast();
undoStack.AddLast(command);
}
}
}
public void Do(IUndoable undoable)
{
while (cursorPosition != null)
{
var nextNode = cursorPosition.Next;
stack.Remove(cursorPosition);
cursorPosition = nextNode;
}
while (stack.Count > MaxUndoElements)
{
stack.RemoveFirst();
}
stack.AddLast(undoable);
undoable.Do();
}
/// <summary>
/// Executes a command and adds it to the command history so it can
/// be undone/redone.
/// </summary>
/// <param name="command">The command to execute and keep history of.</param>
public void Execute(IUndoable command)
{
command.Do();
AddCommand(command);
}
/// <summary>
/// Executes a command and adds it to the command history so it can
/// be undone/redone.
/// </summary>
/// <param name="command">The command to execute and keep history of.</param>
public void Execute(IUndoable command)
{
command.Do();
AddCommand(command);
}
public void Undo()
{
_undoable.Do();
}