public static Folder Load(DirectoryInfo dir)
{
Folder f = new Folder();
f.Dirs = dir.GetDirectories();
f.Files = dir.GetFiles();
f.DirPath = dir.FullName;
return f;
}
void _upperLevel()
{
if (_parent == null || (_parent.DirPath==_currentPath))
{
_showLogicalDrives();
return;
}
else
{
_currentPath = _parent.DirPath;
_currentFolder = _parent;
_children.Clear();
ThreadPool.QueueUserWorkItem(_loadChildren, _currentPath);
}
_show();
}
private void _showLogicalDrives()
{
string[] ld = Directory.GetLogicalDrives();
ListViewItem lvi;
Folder t;
DirectoryInfo di;
_children = new Dictionary<string, Folder>();
_control.Items.Clear();
_isLogicalDrivesPage = true;
foreach (string drive in ld)
{
try
{
lvi = new ListViewItem(drive);
lvi.SubItems.Add("<drive>");
lvi.SubItems.Add("");
_control.Items.Add(lvi);
di = new DirectoryInfo(drive);
t = new Folder();
t.Dirs = di.GetDirectories();
t.Files = di.GetFiles();
t.DirPath = drive;
_children.Add(drive, t);
}
catch { }
}
_areChildrenLoaded = true;
}
private void _openFolderHelper()
{
if (_control.SelectedItems.Count > 0)
{
if (!_isLogicalDrivesPage)
{
if (_currentFolder.IsFile(_control.SelectedItems[0].Index))
{
try
{
System.Diagnostics.Process.Start(_currentFolder.FileAt(_control.SelectedItems[0].Index));
}
catch { }
}
else
{
string futurePath = _currentFolder.FolderAt(_control.SelectedItems[0].Index);
try
{
var t = _children[futurePath];
_currentPath = futurePath;
_parent = _currentFolder;
_openFolder();
}
catch
{
MessageBox.Show("Access denied!");
}
}
}
else
{
_currentPath = _control.SelectedItems[0].Text;
_parent = null;
_openFolder();
_isLogicalDrivesPage = false;
}
GC.Collect();
}
}
private void _openFolder()
{
if (_children == null)
{
_currentFolder = Folder.Load(_currentPath);
}
else
{
try
{
_currentFolder = _children[_currentPath];
}
catch(KeyNotFoundException)
{
//MessageBox.Show("Access denied!");
}
}
if(_children!=null)
_children.Clear();
ThreadPool.QueueUserWorkItem(_loadChildren, _currentPath);
_show();
}
private void _loadChildren(Object s)
{
if(_children!=null)
_children.Clear();
_areChildrenLoaded = false ;
DirectoryInfo cur = new DirectoryInfo((string)s);
Folder t;
if (_children == null)
_children = new Dictionary<string, Folder>();
DirectoryInfo[] childDirs;
try
{
childDirs = cur.GetDirectories();
}
catch
{
_children.Clear();
return;
}
foreach (DirectoryInfo dir in childDirs)
{
try
{
t = new Folder();
t.Dirs = dir.GetDirectories();
t.Files = dir.GetFiles();
t.DirPath = dir.FullName;
lock (_children)
{
_children.Add(dir.FullName, t);
}
}
catch { }
}
_areChildrenLoaded = true;
}
