/// <summary>Copy a file from EFS to the specified System.Stream.</summary>
/// <remarks>Unlike the rest of the code in this class, this method is safe to call from any thread.</remarks>
/// <param name="sOutput"></param>
/// <param name="idFile"></param>
void CopyFileToStream(Stream sOutput, int idFile)
{
using (var s = pool.GetSession())
using (var trans = s.BeginTransaction())
{
var e = EFS.byId(rs, idFile);
if (null == e)
{
throw new FileNotFoundException();
}
using (var sInput = e.data.Read(rs.cursor))
EFS.CopyStream(sInput, sOutput);
}
}
/// <summary>Iterate over the selected files and folders.</summary>
/// <param name="itemIds">Selected item IDs.</param>
/// <param name="actFile">Will be called for every file in the selection, including the files in a sumbolders.</param>
/// <param name="actFolder">Will be called for every folder in the selection.</param>
void IterateSelection(IEnumerable <int> itemIds, Action <EfsEntry, string> actFile, Action <EfsEntry, string> actFolder)
{
foreach (int idFile in itemIds)
{
EfsEntry ee = EFS.byId(rs, idFile);
if (ee.isDirectory)
{
actFolder(ee, ee.name);
var pending = new Queue <Tuple <string, int> >();
pending.Enqueue(Tuple.Create(ee.name, ee.id));
while (pending.Count > 0)
{
var p = pending.Dequeue();
foreach (EfsEntry eChild in EFS.ListChildren(rs, p.Item2))
{
string path = Path.Combine(p.Item1, eChild.name);
if (eChild.isDirectory)
{
pending.Enqueue(Tuple.Create(path, eChild.id));
actFolder(eChild, path);
}
else
{
actFile(eChild, path);
}
}
}
}
else
{
actFile(ee, ee.name);
}
}
}
private void list_MouseDoubleClick(object sender, MouseEventArgs e)
{
var fi = list.FocusedItem;
if (null == fi || null == fi.Tag)
{
return;
}
int idFile = (int)(fi.Tag);
EfsEntry eFile = EFS.byId(rs, idFile);
if (eFile.isDirectory)
{
if (!nodeCurrent.IsExpanded)
{
nodeCurrent.Expand();
}
tree.SelectedNode = nodeCurrent.Nodes.All()
.Where(n => n.Tag != null && (int)n.Tag == idFile)
.FirstOrDefault();
}
}
