private void DropList_Drop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(_dragFormat) && !_dragCanceled)
{
var files = (string[])e.Data.GetData(DataFormats.FileDrop);
if (files == null || !files.Any())
{
return;
}
string destination = null;
var listViewItem = FindAnchestor <ListViewItem>(e.OriginalSource);
if (listViewItem?.Content is FileItem item)
{
destination = item.ItemType == ItemType.Container
? item.Path
: item.Directory;
}
else
{
var listView = FindAnchestor <ListView>(e.OriginalSource);
if (listView.DataContext is ILister lister)
{
destination = lister.Path;
}
}
if (destination != null)
{
e.Effects = (e.KeyStates & DragDropKeyStates.ControlKey) != 0
? DragDropEffects.Copy
: DragDropEffects.Move;
var fileAction = e.Effects == DragDropEffects.Copy ? FileAction.Copy : FileAction.Move;
if (_listView.DataContext is FileLister)
{
FilesystemAction.SetClipboard <FileItem>(fileAction, files);
}
else
{
FilesystemAction.SetClipboard <IItem>(fileAction, files);
}
var action = new FilesystemAction(_notificationHost);
var items = Clipboard.GetFileDropList();
Task.Factory.StartNew(() => { action.Paste(destination, items, fileAction); });
if (fileAction == FileAction.Move)
{
Clipboard.Clear();
}
e.Handled = true;
}
}
}
private void SetSelection(FileAction fa)
{
var selection = ItemsView.SelectedItems.Select(s => s.Path);
FilesystemAction.SetClipboard <FileItem>(fa, selection);
}