private void tvwLibraryFolders_ItemExpanded(object sender, RoutedEventArgs e)
{
TreeViewItem item = e.OriginalSource as TreeViewItem;
if (item != null) {
if ((item.Items.Count == 1) && (((TreeViewItem)item.Items[0]).Header is DummyTreeItem)) {
tvwLibraryFolders.Cursor = Cursors.Wait;
item.Items.Clear();
LibraryFolder aFolder = item.Header as LibraryFolder;
VirtualFolder vf = new VirtualFolder(aFolder.FullPath);
Async.Queue("LibraryFoldersExpand", () => {
foreach (string folder in vf.Folders) {
getLibrarySubDirectories(folder, item);
}
}, () => {
Dispatcher.Invoke(DispatcherPriority.Background, (System.Windows.Forms.MethodInvoker)(() => {
tvwLibraryFolders.Cursor = Cursors.Hand;
}));
});
}
}
}
private void RefreshItems()
{
folderList.Items.Clear();
List<VirtualFolder> vfs = new List<VirtualFolder>();
int i = 0; //use this to fill in sortorder if not there
foreach (var filename in Directory.GetFiles(config.InitialFolder))
{
try
{
if (filename.ToLowerInvariant().EndsWith(".vf") ||
filename.ToLowerInvariant().EndsWith(".lnk"))
{
//add to our sorted list
VirtualFolder vf = new VirtualFolder(filename);
if (vf.SortName == null)
{
//give it a sortorder if its not there
vf.SortName = i.ToString("D3");
vf.Save();
}
vfs.Add(vf);
i = i + 10;
}
//else
// throw new ArgumentException("Invalid virtual folder file extension: " + filename);
}
catch (ArgumentException)
{
Logger.ReportWarning("Ignored file: " + filename);
}
catch (Exception e)
{
MessageBox.Show("Invalid file detected in the initial folder!" + e.ToString());
// TODO : alert about dodgy VFs and delete them
}
}
vfs.Sort((a,b) => a.SortName.CompareTo(b.SortName));
//now add our items in sorted order
foreach (VirtualFolder v in vfs)
folderList.Items.Add(v);
}