public void AddRootAction(RangeObservableCollection<ItemData> itemsSource)
{
if (itemsSource == null || !itemsSource.Any())
{
var newItem = AddNew("", 0, 0, itemsSource);
itemsSource.Add(newItem);
}
}
private void ItemChanged(object sender, PropertyChangedEventArgs e)
{
HasChange = _cards.Any(c => c.ChangedCount != 0);
}
private IObservable <bool> CanRemoveObservable()
{
return(_right.ObserveCollectionChanged()
.SelectMany(ObserveColumnProperties(_right))
.Select(x => _right.Any(y => y.IsSelected)));
}
private IObservable <bool> CanAddObservable()
{
return(_left.ObserveCollectionChanged()
.SelectMany(x => ObserveColumnProperties(_left))
.Select(x => _left.Any(y => y.IsSelected)));
}