private async void PasteFiles(string destDir, IEnumerable <string> files, DragDropEffects effect)
{
try
{
if ((effect & DragDropEffects.Move) != 0)
{
await _explorer.MoveFilesAsync(destDir, files);
}
else if ((effect & DragDropEffects.Copy) != 0)
{
await _explorer.CopyFilesAsync(destDir, files);
}
}
catch (OperationCanceledException)
{
}
if (_isDisposed)
{
return;
}
// update subdirectories in given path
View_ExpandDirectory(this, new DirectoryEventArgs(destDir));
}
private async Task CopyMoveFilesToViewAsync(
string destinationDirectory,
DragDropEffects allowedEffects,
IEnumerable <string> files)
{
// pick the destination directory
if (destinationDirectory == null)
{
var folders = FindAllFolders();
if (folders.Count < 1)
{
return; // there is no destination folder, this is a no-op
}
if (folders.Count == 1)
{
// copy/move the file right away
destinationDirectory = folders.First();
}
else
{
// make user pick where to copy/move the files
try
{
destinationDirectory = await View.PickDirectoryAsync(folders);
}
catch (OperationCanceledException)
{
return;
}
}
}
Trace.Assert(destinationDirectory != null);
// ignore copy/move dest => dest operation
var movedFiles = files.Where(path =>
!string.Equals(path, destinationDirectory, StringComparison.CurrentCultureIgnoreCase));
if (!movedFiles.Any())
{
return;
}
try
{
if ((allowedEffects & DragDropEffects.Move) != 0)
{
await _explorer.MoveFilesAsync(destinationDirectory, movedFiles);
}
else if ((allowedEffects & DragDropEffects.Copy) != 0)
{
await _explorer.CopyFilesAsync(destinationDirectory, movedFiles);
}
}
catch (OperationCanceledException)
{
}
}