private void RemoveCompositions()
{
foreach (var child in Compositions.Where(x => x.IsChecked).ToList())
{
child.IsChecked = false;
if (child.State == ItemState.Added)
{
Compositions.Remove(child);
}
else
{
child.State = ItemState.Removed;
}
}
CompositionsView.Refresh();
CheckItem();
}
private void Save()
{
var removed = Compositions.Where(x => x.State == ItemState.Removed).ToList();
removed.ForEach(x => Compositions.Remove(x));
var added = Compositions.Where(x => x.State == ItemState.Added).ToList();
added.ForEach(x => x.State = ItemState.Unchanged);
var updated = Compositions.Where(x => x.State == ItemState.Updated).ToList();
updated.ForEach(x => x.State = ItemState.Unchanged);
_providerFactory.CompositionsProvider.RemoveCompositions(removed);
_providerFactory.CompositionsProvider.AddCompositions(added);
_providerFactory.CompositionsProvider.UpdateCompositions(updated);
_providerFactory.CompositionsProvider.SaveChanges();
CheckItem();
}
