public IEnumerable<HierarchyNode> GetChildren(HierarchyNode node)
{
var folderNode = (FolderNode) node;
foreach (var child in folderNode.GetChildren(this))
{
_nodes[child.Id] = child;
yield return child;
}
}
public HierarchyNode AddFolder(HierarchyNode parent, string name, IFolderSource folderSource = null, IMediaItemSource mediaSource = null)
{
FolderNode node = CreateFolder(parent, name, folderSource, mediaSource);
AddChild(parent, node);
return node;
}
public void AddChild(HierarchyNode hierarchyNode)
{
_children.Add(hierarchyNode);
}
public void AddChild(HierarchyNode node, HierarchyNode child)
{
var folderNode = (FolderNode) node;
folderNode.AddChild(child);
_nodes[child.Id] = child;
}
private FolderNode CreateFolder(HierarchyNode parent, string name, IFolderSource folderSource, IMediaItemSource mediaSource)
{
var folder = new FolderNode(parent.Id, CreateId(), name, folderSource: folderSource,
mediaSource: mediaSource);
_nodes[CreateId()] = folder;
return folder;
}