private static void ActionBarUpdateItemsSource(ActionBar actionBar)
{
switch (actionBar.GetNavigationMode())
{
case ActionBarNavigationMode.List:
#if APPCOMPAT
IItemsSourceAdapter sourceAdapter = actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSourceAdapter);
#else
IItemsSourceAdapter sourceAdapter = actionBar.GetBindingMemberValue(AttachedMembers.ActionBar.ItemsSourceAdapter);
#endif
if (sourceAdapter == null)
{
sourceAdapter = AndroidToolkitExtensions.ItemsSourceAdapterFactory(actionBar, actionBar.ThemedContext, DataContext.Empty);
#if APPCOMPAT
actionBar.SetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSourceAdapter, sourceAdapter);
#else
actionBar.SetBindingMemberValue(AttachedMembers.ActionBar.ItemsSourceAdapter, sourceAdapter);
#endif
actionBar.SetListNavigationCallbacks(sourceAdapter, new ActionBarNavigationListener(actionBar));
}
#if APPCOMPAT
sourceAdapter.ItemsSource = actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSource);
#else
sourceAdapter.ItemsSource = actionBar.GetBindingMemberValue(AttachedMembers.ActionBar.ItemsSource);
#endif
break;
case ActionBarNavigationMode.Standard:
#if APPCOMPAT
actionBar.SetBindingMemberValue(AttachedMembersCompat.ActionBar.SelectedItem, BindingExtensions.NullValue);
#else
actionBar.SetBindingMemberValue(AttachedMembers.ActionBar.SelectedItem, BindingExtensions.NullValue);
#endif
actionBar.SetListNavigationCallbacks(null, null);
#if APPCOMPAT
actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSourceGenerator)?.SetItemsSource(null);
var adapter = actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSourceAdapter);
#else
actionBar.GetBindingMemberValue(AttachedMembers.ActionBar.ItemsSourceGenerator)?.SetItemsSource(null);
var adapter = actionBar.GetBindingMemberValue(AttachedMembers.ActionBar.ItemsSourceAdapter);
#endif
if (adapter != null)
{
adapter.ItemsSource = null;
}
break;
case ActionBarNavigationMode.Tabs:
#if APPCOMPAT
actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSourceGenerator)?.SetItemsSource(actionBar.GetBindingMemberValue(AttachedMembersCompat.ActionBar.ItemsSource));
#else
actionBar.GetBindingMemberValue(AttachedMembers.ActionBar.ItemsSourceGenerator)?.SetItemsSource(actionBar.GetBindingMemberValue(AttachedMembers.ActionBar.ItemsSource));
#endif
break;
}
}
internal ViewGroupItemsSourceGenerator([NotNull] ViewGroup viewGroup)
{
Should.NotBeNull(viewGroup, nameof(viewGroup));
_viewGroup = viewGroup;
_adapter = AndroidToolkitExtensions.ItemsSourceAdapterFactory(viewGroup, viewGroup.Context, Context);
_collectionViewManagerMember = BindingServiceProvider
.MemberProvider
.GetBindingMember(viewGroup.GetType(), AttachedMembers.ViewGroup.CollectionViewManager, false, false);
TryListenActivity(viewGroup.Context);
}