protected AddRemoveDetailEntitiesViewModel(IUnitOfWorkFactory <TUnitOfWork> unitOfWorkFactory, Func <TUnitOfWork, IRepository <TEntity, TPrimaryKey> > getRepositoryFunc, Func <TUnitOfWork, IRepository <TDetailEntity, TDetailPrimaryKey> > getDetailsRepositoryFunc, Func <TEntity, ICollection <TDetailEntity> > getDetailsFunc, TPrimaryKey id)
: base(unitOfWorkFactory, getRepositoryFunc, null)
{
this.getDetailsRepositoryFunc = getDetailsRepositoryFunc;
this.getDetailsFunc = getDetailsFunc;
SelectedEntities = new ObservableCollection <TDetailEntity>();
if (this.IsInDesignMode())
{
return;
}
LoadEntityByKey(id);
Messenger.Default.Register(this, (EntityMessage <TDetailEntity, TDetailPrimaryKey> m) =>
{
if (m.MessageType != EntityMessageType.Added)
{
return;
}
var withParent = m.Sender as ISupportParentViewModel;
if (withParent == null || withParent.ParentViewModel != this)
{
return;
}
var withEntity = m.Sender as SingleObjectViewModel <TDetailEntity, TDetailPrimaryKey, TUnitOfWork>;
var detailEntity = DetailsRepository.Find(DetailsRepository.GetPrimaryKey(withEntity.Entity));
if (detailEntity == null)
{
return;
}
DetailEntities.Add(detailEntity);
SaveChangesAndNotify(new TDetailEntity[] { detailEntity });
});
}