private void OnDocumentFileChanged(DocumentFileChanged data)
{
var pathParts = data.Path.Substring(_documentRoot.Path.Length)
.Split(PathSeparators, StringSplitOptions.RemoveEmptyEntries);
var current = _documentRoot;
for (var index = 0; index < pathParts.Length; index++)
{
if (!current.IsChildrenInitialized)
{
break;
}
var part = pathParts[index];
var isLast = index == pathParts.Length - 1;
var parent = current;
current = current.InternalChildren[part];
// the current part is not in the tree
if (current == null)
{
if (data.Type != DocumentFileChangeType.Deleted)
{
var currentPath = isLast && data.Type == DocumentFileChangeType.Renamed
? data.NewPath
: Path.Combine(_documentRoot.Path, Path.Combine(pathParts.Take(index + 1).ToArray()));
var newDocument = DocumentViewModel.FromPath(currentPath);
if (!newDocument.IsAutoSave &&
IsRelevantDocument(newDocument))
{
parent.AddChild(newDocument);
}
}
break;
}
// it's the last part - the actual file
if (isLast)
{
switch (data.Type)
{
case DocumentFileChangeType.Renamed:
current.ChangePath(data.NewPath);
// move it to the correct place
parent.InternalChildren.Remove(current);
if (IsRelevantDocument(current))
{
parent.AddChild(current);
}
break;
case DocumentFileChangeType.Deleted:
parent.InternalChildren.Remove(current);
break;
}
}
}
}