/// <summary>
/// Undo the last operation added.
/// </summary>
public void Undo()
{
if (this.undoStack.Count > 0)
{
UndoableCommand command = this.undoStack.Pop();
command.UnExecute();
this.redoStack.Push(command);
}
}
/// <summary>
/// Undo the last operation added.
/// </summary>
public void Undo()
{
if (this.undoStack.Count > 0)
{
UndoableCommand command = this.undoStack.Pop();
command.UnExecute();
this.redoStack.Push(command);
this.eventManager.GetEvent <OperationUndoneInTimelineEvent>().Publish(null);
}
}
/// <summary>
/// Executes the <see cref="UndoableCommand"/> passed.
/// </summary>
/// <param name="command">The command beign executed.</param>
public void ExecuteCommand(UndoableCommand command)
{
command.Execute();
if (this.undoStack.Count == this.currentUndoLevel)
{
this.undoStack = new Stack <UndoableCommand>(this.undoStack.Take(this.undoStack.Count - 1));
}
this.undoStack.Push(command);
this.redoStack.Clear();
}
/// <summary>
/// Executes the <see cref="UndoableCommand"/> passed.
/// </summary>
/// <param name="command">The command beign executed.</param>
public void ExecuteCommand(UndoableCommand command)
{
command.Execute();
if (this.undoStack.Count == this.currentUndoLevel)
{
this.undoStack = new Stack <UndoableCommand>(this.undoStack.Take(this.undoStack.Count - 1));
}
this.undoStack.Push(command);
this.eventManager.GetEvent <OperationExecutedInTimelineEvent>().Publish(null);
this.redoStack.Clear();
}
