private async Task LoadFolderList(IEnumerable <StorageFolder> storageFolder, FolderInfo parentFolder, CancellationToken token)
{
foreach (var item in storageFolder)
{
var fi = new FolderInfo(item)
{
Level = parentFolder.Level + 1,
};
//취소가 들어온 경우라면 Exception 발생
token.ThrowIfCancellationRequested();
//화면 리스트에 폴더 추가
await DispatcherHelper.RunAsync(() =>
{
if (currentFolderInfo.Path == fi.ParentFolderPath)
{
ExplorerFolderSource.Add(fi);
}
});
}
}
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);
}
private async void LoadRootFolders()
{
try
{
//폴더 추가 버튼
await DispatcherHelper.RunAsync(async() =>
{
if (ExplorerFolderSource.Count > 0)
{
ExplorerFolderSource.Clear();
}
if (ExplorerFileSource.Count > 0)
{
ExplorerFileSource.Clear();
}
//탐색기 루트를 로드
folderDAO.LoadRootFolderList(ExplorerFolderSource, LockFolderCommand, RemoveFolderCommand, true);
ExplorerFolderSource.Add(new FolderInfo()
{
Name = Windows.ApplicationModel.Resources.ResourceLoader.GetForCurrentView().GetString("AddFolder"),
Glyph1 = "\xE109", //
Type = FolderType.Picker,
IsHighlight = ExplorerFolderSource.Count == 0,
Level = 1
});
///////////////////////////// 윈10 10549 버그 Workaround//////////////////////////////////
if (VersionHelper.WindowsVersion == 10 && !ExplorerFolderSource.Any(x => x.Type != FolderType.Picker))
{
List <StorageFolder> folders = new List <StorageFolder>();
folders.Add(KnownFolders.VideosLibrary);
var external = await KnownFolders.RemovableDevices.GetFoldersAsync();
if (external != null && external.Any())
{
folders.AddRange(external);
}
foreach (var folder in folders)
{
bool found = false;
//중복된 폴더는 추가하지 않음
foreach (var added in ExplorerFolderSource)
{
var sf = await added.GetStorageFolder(true);
if (sf != null && sf.FolderRelativeId == folder.FolderRelativeId)
{
found = true;
break;
}
}
if (!found)
{
//전체 비디오에 반영
var folderInfo = new FolderInfo(folder)
{
Level = 1,
Type = FolderType.Root,
ButtonTappedCommand1 = LockFolderCommand,
ButtonTappedCommand2 = RemoveFolderCommand,
Passcode = string.Empty
};
//선택한 폴더 DB등록
folderDAO.Insert(folderInfo);
var addFolder = ExplorerFolderSource.FirstOrDefault(x => x.Type == FolderType.Picker);
addFolder.IsHighlight = false;
var index = ExplorerFolderSource.IndexOf(addFolder);
ExplorerFolderSource.Insert(index, folderInfo);
//전체 비디오에 반영
MessengerInstance.Send <Message>(new Message("FolderAdded", folderInfo), AllVideoViewModel.NAME);
}
}
}
//////////////////////////////////////////////////////////////////////////////////////////
});
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(e.Message);
}
}
