private string[] GetPath(LibraryViewNode libraryViewNode)
{
var currentPath = new[] { libraryViewNode.Name };
return(libraryViewNode.Parent != null
? GetPath(libraryViewNode.Parent).Concat(currentPath).ToArray()
: currentPath);
}
public void AddNode(LibraryViewNode node)
{
if (node.Path != null && node.Path.Any())
{
var pathId = _paths.AddOrGet(node.Path);
node.Parent = FindParentNode(pathId);
}
var container = node.Parent == null ? _sourceNodes : node.Parent.Children;
container.Add(node);
_nodeIndex[node.Id] = node;
SelectedItem = node;
}
private IEnumerable <LibraryViewNode> GetAllChildren(LibraryViewNode startNode)
{
foreach (var node in startNode.Children)
{
if (node is LibraryFileNode)
{
yield return(node);
}
else
{
foreach (var child in GetAllChildren(node))
{
yield return(child);
}
}
}
}
private IEnumerable <LibraryFileNode> GetAllChildren(LibraryViewNode node)
{
foreach (var child in node.Children)
{
if (child is LibraryFileNode)
{
yield return(child as LibraryFileNode);
}
else
{
foreach (var childFile in GetAllChildren(child))
{
yield return(childFile);
}
}
}
}
public Task Move(LibraryViewNode node, LibraryViewNode newParent)
{
if (node is LibraryFileNode)
{
return(Task.Factory.StartNew(() =>
{
_library.MoveFile(node.Id, newParent.GetPathForChild(), node.Name);
if (node.Parent != null)
{
node.Parent.Children.Remove(node);
}
node.Parent = newParent;
newParent.Children.Add(node);
}));
}
if (node is LibraryFolderNode)
{
return(Task.Factory.StartNew(() =>
{
var adjuster = new PathAdjuster(node.Path, newParent.GetPathForChild());
foreach (var child in GetAllChildren(node))
{
var newPath = adjuster.AdjustPath(child.Path);
_library.MoveFile(child.Id, newPath, child.Name);
}
if (node.Parent != null)
{
node.Parent.Children.Remove(node);
}
else
{
_libraryView.Items.Remove(node);
}
node.Parent = newParent;
newParent.Children.Add(node);
}));
}
return(null);
}