private void PopulateDirectoryTree()
{
DirectoryTreeController.ClearMultiSelection();
DirectoryTree.Clear();
DirectoryTreeViewNode rootNode = new DirectoryTreeViewNode("/", null, DirectoryTreeController);
IDictionary <string, TreeViewNode> directoryLookup = new SortedDictionary <string, TreeViewNode>();
directoryLookup[rootNode.DisplayString] = rootNode;
foreach (SongMetadata song in m_DataModel.Database.Songs)
{
TreeViewNode parent = FindDirectoryNode(song.Directory, directoryLookup, rootNode);
SongMetadataTreeViewNode leaf = new SongMetadataTreeViewNode(song.Filename, song, parent, DirectoryTreeController);
parent.AddChild(leaf);
}
AssignTreeViewNodeIDs(rootNode, 0);
if (rootNode.Children.Count > 0)
{
DirectoryTree.Add(rootNode);
rootNode.IsExpanded = true;
}
}
public void ShowSongsInDirectoryTree(IEnumerable <SongMetadata> selectedSongs)
{
DirectoryTreeController.ClearMultiSelection();
// This looks more complex than necessary because it is trying to
// support multiple roots.
foreach (TreeViewNode root in DirectoryTreeController.RootLevelNodes)
{
if (root is DirectoryTreeViewNode)
{
DirectoryTreeViewNode rootDirectory = root as DirectoryTreeViewNode;
foreach (TreeViewNode node in rootDirectory.Children)
{
node.IsExpanded = false;
foreach (SongMetadata song in selectedSongs)
{
SearchAndSelectPath(node, song.Path);
}
}
}
}
}
