public void CleanUp()
{
foreach (ModelItem modelItem in TrackedModelItem.Keys)
{
modelItem.PropertyChanged -= new ComponentModel.PropertyChangedEventHandler(modelItem_PropertyChanged);
}
TrackedModelItem.Clear();
foreach (INotifyCollectionChanged collection in TrackedCollection)
{
collection.CollectionChanged -= new Collections.Specialized.NotifyCollectionChangedEventHandler(collection_CollectionChanged);
}
TrackedCollection.Clear();
//remove childViewModels
foreach (TreeViewItemViewModel child in ChildViewModels)
{
this.Parent.InternalChildren.Remove(child);
child.CleanUp();
}
this.ChildViewModels.Clear();
}
public void Undo_WhenCalledAfterClear_RevertsClear()
{
TrackedCollection <int> tc = new TrackedCollection <int>(CollectionTrackingStrategy.TrackOnlyCollectionOperations);
tc.Tracker.Track();
tc.Add(0);
tc.Add(1);
tc.Add(2);
tc.Clear();
Assert.IsTrue(tc.Count == 0);
tc.Tracker.Undo();
Assert.IsTrue(tc.Count == 3);
Assert.IsTrue(tc[0] == 0);
Assert.IsTrue(tc[1] == 1);
Assert.IsTrue(tc[2] == 2);
}
public void Undo_WhenCalledAfterClear_RevertsClear()
{
TrackedCollection<int> tc = new TrackedCollection<int>(CollectionTrackingStrategy.TrackOnlyCollectionOperations);
tc.Tracker.Track();
tc.Add(0);
tc.Add(1);
tc.Add(2);
tc.Clear();
Assert.IsTrue(tc.Count == 0);
tc.Tracker.Undo();
Assert.IsTrue(tc.Count == 3);
Assert.IsTrue(tc[0] == 0);
Assert.IsTrue(tc[1] == 1);
Assert.IsTrue(tc[2] == 2);
}