private ChangeTrackerNode(object source, PropertiesSettings settings, bool isRoot)
{
this.refcountedRootChanges = RootChanges.GetOrCreate(source, settings, isRoot);
var sourceChanges = this.refcountedRootChanges.Value;
this.children = ChildNodes <ChangeTrackerNode> .Borrow();
sourceChanges.PropertyChange += this.OnSourcePropertyChange;
if (Is.NotifyingCollection(source))
{
this.ItemType = this.SourceList.GetType()
.GetItemType();
sourceChanges.Add += this.OnSourceAdd;
sourceChanges.Remove += this.OnSourceRemove;
sourceChanges.Replace += this.OnSourceReplace;
sourceChanges.Move += this.OnSourceMove;
sourceChanges.Reset += this.OnSourceReset;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DirtyTrackerNode"/> class.
/// A call to Initialize is needed after the ctor due to that we need to fetch child nodes and the graph can contain self
/// </summary>
private DirtyTrackerNode(IRefCounted <ReferencePair> refCountedPair, PropertiesSettings settings, bool isRoot)
{
this.refCountedPair = refCountedPair;
var x = refCountedPair.Value.X;
var y = refCountedPair.Value.Y;
this.children = ChildNodes <DirtyTrackerNode> .Borrow();
this.xNode = RootChanges.GetOrCreate(x, settings, isRoot);
this.yNode = RootChanges.GetOrCreate(y, settings, isRoot);
this.xNode.Value.PropertyChange += this.OnTrackedPropertyChange;
this.yNode.Value.PropertyChange += this.OnTrackedPropertyChange;
this.IsTrackingCollectionItems = Is.Enumerable(x, y) &&
!settings.IsImmutable(x.GetType().GetItemType()) &&
!settings.IsImmutable(y.GetType().GetItemType());
if (Is.NotifyingCollections(x, y))
{
this.xNode.Value.Add += this.OnTrackedAdd;
this.xNode.Value.Remove += this.OnTrackedRemove;
this.xNode.Value.Replace += this.OnTrackedReplace;
this.xNode.Value.Move += this.OnTrackedMove;
this.xNode.Value.Reset += this.OnTrackedReset;
this.yNode.Value.Add += this.OnTrackedAdd;
this.yNode.Value.Remove += this.OnTrackedRemove;
this.yNode.Value.Replace += this.OnTrackedReplace;
this.yNode.Value.Move += this.OnTrackedMove;
this.yNode.Value.Reset += this.OnTrackedReset;
}
var builder = DiffBuilder.GetOrCreate(x, y, settings);
builder.Value.UpdateDiffs(x, y, settings);
builder.Value.Refresh();
this.refcountedDiffBuilder = builder;
this.isDirty = !this.Builder.IsEmpty;
}