private async void LoadChildFolder(FolderInfo folder)
{
cancelTokenSource = new CancellationTokenSource();
await Task.Run(async() =>
{
await DispatcherHelper.RunAsync(() => { CheckListButtonEnable = false; });
StorageFolder stFolder = null;
//현재 폴더가 저장되지 않았거나, 위로 버튼을 눌러 이동하다 최 상위가 된 경우
if (folder == null || folder.Level == 0)
{
LoadRootFolders();
return;
}
else
{
try
{
stFolder = await folder.GetStorageFolder(false);
}
catch (Exception)
{
//현재 폴더 삭제 DB 물리적 삭제
if (folder.Type == FolderType.Last)
{
var asyncAction = folderDAO.Delete(folder);
//문제가 발생한 경우 루트 폴더를 로드
LoadRootFolders();
}
return;
}
}
await DispatcherHelper.RunAsync(() =>
{
if (ExplorerFolderSource.Count > 0)
{
ExplorerFolderSource.Clear();
}
if (ExplorerFileSource.Count > 0)
{
ExplorerFileSource.Clear();
}
ExplorerFolderSource.Add(new FolderInfo()
{
Level = folder.Level - 1,
Name = string.Format(".. ({0})", ResourceLoader.GetForCurrentView().GetString("ToUpper")),
Path = folder.ParentFolderPath,
Type = FolderType.Upper,
});
});
try
{
var folderList = (await stFolder.GetFoldersAsync()).OrderBy(x => x.Name);
if (folderList != null && folderList.Any())
{
await LoadFolderList(folderList, folder, cancelTokenSource.Token);
}
var fileStorageList = (await stFolder.GetFilesAsync()).OrderBy(x => x.Name);
var fileList = fileStorageList.Where(x => x.IsVideoFile());
if (fileList != null && fileList.Any())
{
await AddExplorerList(fileList, fileStorageList.Where(x => x.IsSubtitleFile()).ToList(), folder, cancelTokenSource.Token);
await DispatcherHelper.RunAsync(() => { CheckListButtonEnable = true; });
}
}
catch (OperationCanceledException ex)
{
//DispatcherHelper.CheckBeginInvokeOnUI(() => { ExplorerFolderSource.Clear(); });
System.Diagnostics.Debug.WriteLine("폴더 네비게이션 취소됨 : " + ex.CancellationToken.GetHashCode());
}
}, cancelTokenSource.Token);
}
