public ObservableItemSource(IEnumerable itemSource, ICollectionChangedNotifier changedNotifier)
{
itemsSource = itemSource as IList ?? itemSource as IEnumerable;
notifier = changedNotifier;
((INotifyCollectionChanged)itemSource).CollectionChanged += CollectionChanged;
}
public ObservableItemsSource(IList itemSource, ICollectionChangedNotifier notifier)
{
_itemsSource = itemSource;
_notifier = notifier;
((INotifyCollectionChanged)itemSource).CollectionChanged += CollectionChanged;
}
public ObservableItemsSource(IEnumerable itemSource, BindableObject container, ICollectionChangedNotifier notifier)
{
_itemsSource = itemSource as IList ?? itemSource as IEnumerable;
_container = container;
_notifier = notifier;
((INotifyCollectionChanged)itemSource).CollectionChanged += CollectionChanged;
}
public ObservableGroupedSource(GroupableItemsView groupableItemsView, ICollectionChangedNotifier notifier)
{
var groupSource = groupableItemsView.ItemsSource;
_notifier = notifier;
_groupSource = groupSource as IList ?? new ListSource(groupSource);
_hasGroupFooters = groupableItemsView.GroupFooterTemplate != null;
_hasGroupHeaders = groupableItemsView.GroupHeaderTemplate != null;
if (_groupSource is INotifyCollectionChanged incc)
{
incc.CollectionChanged += CollectionChanged;
}
UpdateGroupTracking();
}
public static IItemsViewSource Create(IEnumerable itemsSource, ICollectionChangedNotifier notifier)
{
if (itemsSource == null)
{
return(new EmptySource());
}
switch (itemsSource)
{
case IList _ when itemsSource is INotifyCollectionChanged:
return(new ObservableItemsSource(itemsSource as IList, notifier));
case IEnumerable <object> generic:
return(new ListSource(generic));
}
return(new ListSource(itemsSource));
}
public ObservableGroupedSource(CollectionView colView, ICollectionChangedNotifier changedNotifier)
{
var source = colView.ItemsSource;
notifier = changedNotifier;
groupSource = source as IList ?? new ListSource(source);
hasGroupFooters = colView.GroupFooterTemplate != null;
hasGroupHeaders = colView.GroupHeaderTemplate != null;
HasHeader = colView.Header != null;
HasFooter = colView.Footer != null;
if (groupSource is INotifyCollectionChanged incc)
{
incc.CollectionChanged += CollectionChanged;
}
UpdateGroupTracking();
}
public static IItemsViewSource Create(IEnumerable itemsSource, BindableObject container, ICollectionChangedNotifier notifier)
{
if (itemsSource == null)
{
return(new EmptySource());
}
switch (itemsSource)
{
case IList list when itemsSource is INotifyCollectionChanged:
return(new ObservableItemsSource(new MarshalingObservableCollection(list), container, notifier));
case IEnumerable _ when itemsSource is INotifyCollectionChanged:
return(new ObservableItemsSource(itemsSource as IEnumerable, container, notifier));
case IEnumerable <object> generic:
return(new ListSource(generic));
}
return(new ListSource(itemsSource));
}
