public Task <IEnumerable <FileExplorerEntry> > GetEntries(DirectoryInfoEx directory, CancellationToken token)
{
var entries = directory.EnumerateFileSystemInfos("*", SearchOption.TopDirectoryOnly,
() => token.IsCancellationRequested);
return(TaskCombinators.ThrottledAsync(entries, (entry, _) => Task.Run(() =>
{
using (entry)
{
if (entry.IsFolder)
{
return GetDirectoryEntry((DirectoryInfoEx)entry, directory);
}
return GetFileEntry((FileInfoEx)entry);
}
}, token), CancellationToken.None));
}
public override async Task <IList <IEntryModel> > ListAsync(IEntryModel entry, CancellationToken ct, Func <IEntryModel, bool> filter = null, bool refresh = false)
{
return(await Task <IEntryModel> .Run(() =>
{
//await Task.Delay(2000);
if (filter == null)
{
filter = (m) => true;
}
List <IEntryModel> retVal = new List <IEntryModel>();
if (entry.IsDirectory)
{
DirectoryInfoEx di = createDirectoryInfo(entry.FullPath);
retVal.AddRange(from fsi in di.EnumerateFileSystemInfos()
let m = Converters.Convert(new FileSystemInfoExModel(this, fsi))
where filter(m)
select m);
}
return (IList <IEntryModel>)retVal;
}));
}
public async Task <IEnumerable <FileExplorerEntry> > GetEntriesKeepOrder(DirectoryInfoEx directory, CancellationToken token)
{
var entries = directory.EnumerateFileSystemInfos("*", SearchOption.TopDirectoryOnly).ToList();
var result = new FileExplorerEntry[entries.Count];
await TaskCombinators.ThrottledAsync(entries, (entry, _) => Task.Run(() =>
{
var index = entries.IndexOf(entry);
using (entry)
{
if (entry.IsFolder)
{
result[index] = GetDirectoryEntry((DirectoryInfoEx)entry, directory);
}
else
{
result[index] = GetFileEntry((FileInfoEx)entry);
}
}
}), token);
return(result);
}
