public MyHeaderedObservableList(IMyObservableReadOnlyList <TItem> source, Func <TItem, THeaderItem> itemToHeaderFunc)
{
if (typeof(THeaderItem).GetTypeInfo().ImplementedInterfaces.Contains(typeof(INotifyPropertyChanged)))
{
var prop = typeof(THeaderItem).GetRuntimeProperty("Collapsed");
if (prop.PropertyType == typeof(bool))
{
_collapsedHeaderProperty = prop;
}
}
_itemToHeaderFunc = itemToHeaderFunc;
_source = source;
source.CollectionChanged += Source_CollectionChanged;
AddItems(0, source);
}
public static MyHeaderedObservableList <TItem, THeaderItem> ToHeaderedList <TItem, THeaderItem>(this IMyObservableReadOnlyList <TItem> source, Func <TItem, THeaderItem> itemToHeaderFunc)
{
return(new MyHeaderedObservableList <TItem, THeaderItem>(source, itemToHeaderFunc));
}
public PastCompletedHomeworkList(IMyObservableReadOnlyList <ViewItemHomework> sourceList, DateTime todayAsUtc)
{
base.Filter = new FilterUsingFunction(i => !ShouldIncludeInNormalHomeworkFunction(todayAsUtc).Invoke(i));
base.Comparer = new PastCompletedHomeworkComparer();
base.InsertSorted(sourceList);
}