/// <summary>
/// Get possible parent menu
/// </summary>
/// <param name="id">the current menu id</param>
/// <returns></returns>
public IEnumerable <SelectListItem> GetPossibleParents(int?id = null)
{
var pages = GetAll();
int?parentId = null;
var page = GetById(id);
if (page != null)
{
parentId = page.ParentId;
pages = _pageRepository.GetPossibleParents(page);
}
var data = pages.Select(m => new HierarchyModel
{
Id = m.Id,
Name = m.Title,
Hierarchy = m.Hierarchy,
RecordOrder = m.RecordOrder,
Selected = parentId.HasValue && parentId.Value == m.Id
}).ToList();
return(_pageRepository.BuildSelectList(data));
}