/// <summary>
/// Automatically pushes given <see cref="IUndoRedoCommand"/> command on the Undo stack.
/// </summary>
public void Push(IUndoRedoCommand cmd)
{
// assertion
#if DEBUG
if (cmd == null)
{
throw new ArgumentNullException("cmd", "cmd parameter cannot be null.");
}
#endif
if (cmd is EditCommand <IModel> )
{
// check if rely on anything else (only Edit and Remove)
for (int i = 0; i < _undoRedoStack.Count; i++)
{
IUndoRedoCommand c = _undoRedoStack[i];
if (cmd.GetType().GetGenericTypeDefinition() == typeof(AddCommand <>) ||
cmd.GetType().GetGenericTypeDefinition() == typeof(RemoveCommand <>))
{
if (cmd.TargetObject == c.TargetObject)
{
(cmd as EditCommand <IModel>).RelyOn = c;
}
}
// this would not work
//if (cmd is AddCommand<IModel>)
}
}
_undoRedoStack.Insert(_pointer++, cmd);
_onUndoAction?.Invoke();
_onRedoAction?.Invoke();
}
public static string ToTypeName(IUndoRedoCommand command)
{
return(NamesByType[command.GetType()]);
}