public void Test()
{
var array = new BetterObservableCollection <string> {
"Cat", "Dog", "Rat"
};
var wrapped = WrappedCollection.Create(array, s => "Big " + s);
var second = WrappedCollection.Create(wrapped, s => s.Replace("Big", "Small"));
array.Add("Mouse");
Debug.WriteLine(string.Join(", ", array));
Debug.WriteLine(string.Join(", ", wrapped));
Debug.WriteLine(string.Join(", ", second));
Assert.AreEqual("Big Cat", wrapped[0]);
Assert.AreEqual("Big Rat", wrapped[2]);
Assert.AreEqual("Small Cat", second[0]);
Assert.AreEqual("Small Rat", second[2]);
Assert.AreEqual(4, wrapped.Count);
array.Add("Moose");
Debug.WriteLine(string.Join(", ", array));
Debug.WriteLine(string.Join(", ", wrapped));
Debug.WriteLine(string.Join(", ", second));
Assert.AreEqual("Big Moose", wrapped[4]);
Assert.AreEqual("Small Moose", second[4]);
array.Insert(1, "Mole");
Debug.WriteLine(string.Join(", ", array));
Debug.WriteLine(string.Join(", ", wrapped));
Debug.WriteLine(string.Join(", ", second));
Assert.AreEqual("Big Mole", wrapped[1]);
Assert.AreEqual("Big Dog", wrapped[2]);
Assert.AreEqual("Small Mole", second[1]);
Assert.AreEqual("Small Dog", second[2]);
array.Remove("Mouse");
Assert.AreEqual(5, wrapped.Count);
Assert.AreEqual(5, second.Count);
array.ReplaceEverythingBy(new[] {
"Human", "Alien"
});
Assert.AreEqual("Big Human", wrapped[0]);
Assert.AreEqual("Big Alien", wrapped[1]);
Assert.AreEqual("Small Human", second[0]);
Assert.AreEqual("Small Alien", second[1]);
}
public ViewModel(IFilter <LapTimeWrapped> filter)
{
_filter = filter;
List = WrappedCollection.Create(LapTimesManager.Instance.Entries, x => new LapTimeWrapped(x));
View = new ListCollectionView((IList)List);
using (View.DeferRefresh()) {
if (_filter == null)
{
View.Filter = null;
}
else
{
View.Filter = FilterTest;
}
}
}
public ViewModel(IFilter <LapTimeWrapped> filter, string sortPath, ListSortDirection sortDirection)
{
_filter = filter;
List = WrappedCollection.Create(LapTimesManager.Instance.Entries, x => new LapTimeWrapped(x));
View = new ListCollectionView((IList)List);
using (View.DeferRefresh()) {
if (_filter == null)
{
View.Filter = null;
}
else
{
View.Filter = FilterTest;
}
View.SortDescriptions.Add(new SortDescription(sortPath, sortDirection));
}
}