public override void RemoveDetailEntities()
{
if (!SelectedEntities.Any())
{
return;
}
var entityKey = Repository.GetPrimaryKey(Entity);
foreach (var selectedEntity in SelectedEntities)
{
var detailKey = DetailsRepository.GetPrimaryKey(selectedEntity);
var junction = JunctionRepository.First(GetJunctionPredicate(entityKey, detailKey));
JunctionRepository.Remove(junction);
}
SaveChangesAndNotify(SelectedEntities);
SelectedEntities.Clear();
}
public override void AddDetailEntities()
{
var availableEntities = DetailsRepository.ToList().Except(DetailEntities).ToArray();
var selectEntitiesViewModel = new SelectDetailEntitiesViewModel <TDetailEntity>(availableEntities);
if (DialogService.ShowDialog(MessageButton.OKCancel, CommonResources.AddRemoveDetailEntities_SelectObjects, selectEntitiesViewModel) == MessageResult.OK && selectEntitiesViewModel.SelectedEntities.Any())
{
foreach (var selectedEntity in selectEntitiesViewModel.SelectedEntities)
{
var junction = new TJunction();
var entityKey = Repository.GetPrimaryKey(Entity);
var detailKey = DetailsRepository.GetPrimaryKey(selectedEntity);
var junctionType = typeof(TJunction);
junctionType.GetProperty(ExpressionHelper.GetPropertyName(getEntityForeignKey)).SetValue(junction, entityKey, null);
junctionType.GetProperty(ExpressionHelper.GetPropertyName(getDetailForeignKey)).SetValue(junction, detailKey, null);
JunctionRepository.Add(junction);
}
SaveChangesAndNotify(selectEntitiesViewModel.SelectedEntities);
}
}
