protected override void OrderByChanged()
{
string nonGroupFileName = ResourceLoader.GetForCurrentView().GetString("List/File/Text");
string nonGroupFolderName = ResourceLoader.GetForCurrentView().GetString("List/Folder/Text");
var isOrderByName = _Sort == SortType.Name || _Sort == SortType.NameDescending;
List <StorageItemInfo> folderItems = null;
List <StorageItemInfo> fileItems = null;
switch (_Sort)
{
case SortType.Name:
folderItems = StorageItemGroupSource.Where(x => x.Type == StorageItemTypes.Folder).SelectMany(x => x.Items).OrderBy(x => x.DisplayName).ToList();
fileItems = StorageItemGroupSource.Where(x => x.Type == StorageItemTypes.File).SelectMany(x => x.Items).OrderBy(x => x.DisplayName).ToList();
break;
case SortType.NameDescending:
folderItems = StorageItemGroupSource.Where(x => x.Type == StorageItemTypes.Folder).SelectMany(x => x.Items).OrderByDescending(x => x.DisplayName).ToList();
fileItems = StorageItemGroupSource.Where(x => x.Type == StorageItemTypes.File).SelectMany(x => x.Items).OrderByDescending(x => x.DisplayName).ToList();
break;
case SortType.CreatedDate:
folderItems = StorageItemGroupSource.Where(x => x.Type == StorageItemTypes.Folder).SelectMany(x => x.Items).OrderBy(x => x.DateCreated).ToList();
fileItems = StorageItemGroupSource.Where(x => x.Type == StorageItemTypes.File).SelectMany(x => x.Items).OrderBy(x => x.DateCreated).ToList();
break;
case SortType.CreatedDateDescending:
folderItems = StorageItemGroupSource.Where(x => x.Type == StorageItemTypes.Folder).SelectMany(x => x.Items).OrderByDescending(x => x.DateCreated).ToList();
fileItems = StorageItemGroupSource.Where(x => x.Type == StorageItemTypes.File).SelectMany(x => x.Items).OrderByDescending(x => x.DateCreated).ToList();
break;
}
//리스트 전체 초기화
StorageItemGroupSource.Clear();
//폴더 재추가
if (folderItems != null && folderItems.Count > 0)
{
StorageItemGroup folderGroup = new StorageItemGroup(StorageItemTypes.Folder, nonGroupFolderName);
StorageItemGroupSource.Add(folderGroup);
foreach (var item in folderItems)
{
item.IsOrderByName = isOrderByName;
folderGroup.Items.Add(item);
}
}
//파일 재추가
if (fileItems != null && fileItems.Count > 0)
{
StorageItemGroup fileGroup = null;
var fileStartIndex = StorageItemGroupSource.Any(x => x.Type == StorageItemTypes.Folder) ? 1 : 0;
if (isOrderByName && fileItems.Count > GROUP_MAX_ITME_COUNT)
{
foreach (var item in fileItems)
{
var groupName = _CharacterGroupings.Lookup(item.DisplayName);
fileGroup = StorageItemGroupSource.FirstOrDefault(x => x.Name == groupName);
if (fileGroup == null)
{
fileGroup = new StorageItemGroup(StorageItemTypes.File, groupName);
StorageItemGroupSource.Add(fileGroup);
}
item.IsOrderByName = isOrderByName;
fileGroup.Items.Add(item);
}
}
else
{
fileGroup = new StorageItemGroup(StorageItemTypes.File, nonGroupFileName);
StorageItemGroupSource.Add(fileGroup);
foreach (var item in fileItems)
{
item.IsOrderByName = isOrderByName;
fileGroup.Items.Add(item);
}
}
}
}
private async Task LoadItemsAsync(IEnumerable <StorageItemInfo> storageItemList, int itemCount, string defaultGroupName, bool isFile, int patchSize)
{
var isOrderByName = _Sort == SortType.Name || _Sort == SortType.NameDescending;
var isMultiGroup = isFile && isOrderByName && itemCount > GROUP_MAX_ITME_COUNT;
List <StorageItemInfo> addedList = new List <StorageItemInfo>();
int offset = 0;
switch (_Sort)
{
case SortType.CreatedDateDescending:
storageItemList = storageItemList.OrderByDescending(x => x.DateCreated);
break;
case SortType.CreatedDate:
storageItemList = storageItemList.OrderBy(x => x.DateCreated);
break;
case SortType.NameDescending:
storageItemList = storageItemList.OrderByDescending(x => x.DisplayName);
break;
default:
storageItemList = storageItemList.OrderBy(x => x.DisplayName);
break;
}
if (isFile && itemCount > 0 && _CurrentSubtitleFileList == null)
{
//자막 검색
var currentFolder = await CurrentFolderInfo.GetStorageFolderAsync();
var queryResult = currentFolder.CreateFileQueryWithOptions(_SubtitleFileQueryOptions);
var list = await queryResult.GetFilesAsync();
_CurrentSubtitleFileList = list.Select(x => x.Path.ToUpper()).ToList();
System.Diagnostics.Debug.WriteLine($"DLNA Server : {currentFolder.Path} 폴더내 자막파일 {_CurrentSubtitleFileList.Count}개 검색 됨...");
}
StorageItemGroup group = null;
string groupName = isMultiGroup ? null : defaultGroupName;
foreach (var storageItem in storageItemList)
{
if (isMultiGroup)
{
groupName = _CharacterGroupings.Lookup(storageItem.DisplayName);
}
//그룹이 변경되는 경우
if (group == null || group.Name != groupName)
{
group = new StorageItemGroup(isFile ? StorageItemTypes.File : StorageItemTypes.Folder, groupName);
//신규 그룹 생성
await DispatcherHelper.RunAsync(() => StorageItemGroupSource.Add(group));
}
//일괄 작업을 위해 리스트에 추가
addedList.Add(storageItem);
storageItem.Group = group;
//리스트가 일정수량에 도달하거나, 마지막까지 도달한 경우
if (++offset % patchSize == 0 || offset >= itemCount)
{
bool isCanceled = false;
await DispatcherHelper.RunAsync(() =>
{
foreach (var added in addedList)
{
added.Group.Items.Add(added);
added.Group = null;
}
addedList.Clear();
});
if (isCanceled)
{
break;
}
}
}
}