public ListCollectionView (IList collection)
: base (collection)
{
var interfaces = SourceCollection.GetType ().GetInterfaces ();
foreach (var t in interfaces) {
if (t.IsGenericType && t.GetGenericTypeDefinition () == typeof (IList<>)) {
Type type = t.GetGenericArguments () [0];
ItemConstructor = type.GetConstructor (Type.EmptyTypes);
}
}
UpdateCanAddNewAndRemove ();
filteredList = new ObservableList<object> ();
RootGroup = new RootCollectionViewGroup (null, null, 0, false, SortDescriptions);
CurrentPosition = -1;
IsEmpty = ActiveList.Count == 0;
MoveCurrentToPosition (0);
if (SourceCollection is INotifyCollectionChanged)
((INotifyCollectionChanged) SourceCollection).CollectionChanged += HandleSourceCollectionChanged;
GroupDescriptions.CollectionChanged += (o, e) => Refresh ();
((INotifyCollectionChanged) SortDescriptions).CollectionChanged += (o, e) => {
if (IsAddingNew || IsEditingItem)
throw new InvalidOperationException ("Cannot modify SortDescriptions while adding or editing an item");
Refresh ();
};
filteredList.CollectionChanged += HandleFilteredListCollectionChanged;
RootGroup.CollectionChanged += HandleRootGroupCollectionChanged;
}
public ListCollectionView(IList collection)
: base(collection)
{
var interfaces = SourceCollection.GetType().GetInterfaces();
foreach (var t in interfaces)
{
if (t.IsGenericType && t.GetGenericTypeDefinition() == typeof(IList <>))
{
Type type = t.GetGenericArguments() [0];
ItemConstructor = type.GetConstructor(Type.EmptyTypes);
}
}
UpdateCanAddNewAndRemove();
filteredList = new ObservableList <object> ();
RootGroup = new RootCollectionViewGroup(SourceCollection, null, null, 0, false, SortDescriptions);
CurrentPosition = -1;
IsEmpty = ActiveList.Count == 0;
MoveCurrentToPosition(0);
if (SourceCollection is INotifyCollectionChanged)
{
((INotifyCollectionChanged)SourceCollection).CollectionChanged += HandleSourceCollectionChanged;
}
GroupDescriptions.CollectionChanged += (o, e) => Refresh();
((INotifyCollectionChanged)SortDescriptions).CollectionChanged += (o, e) => {
if (IsAddingNew || IsEditingItem)
{
throw new InvalidOperationException("Cannot modify SortDescriptions while adding or editing an item");
}
Refresh();
};
filteredList.CollectionChanged += HandleFilteredListCollectionChanged;
RootGroup.CollectionChanged += HandleRootGroupCollectionChanged;
}