private void Folder_Expanded(object sender, RoutedEventArgs e)
{
var item = (TreeViewItem)sender;
if (item.Items.Count == 1 && item.Items[0] == _dummyNode)
{
item.Items.Clear();
try
{
foreach (string s in Directory.GetDirectories(item.Tag.ToString()))
{
TreeViewItem subitem = new TreeViewItem
{
Header = s.Substring(s.LastIndexOf("\\") + 1),
Tag = s,
FontWeight = FontWeights.Normal
};
subitem.Items.Add(_dummyNode);
subitem.Expanded += Folder_Expanded;
item.Items.Add(subitem);
}
}
catch (Exception ex)
{
OnNavigationException?.Invoke(this, ex.Message);
}
}
}
private IEnumerable RenderHome()
{
try
{
var items = new List <string>();
var drives = from drive in DriveInfo.GetDrives()
where drive.IsReady == true
select drive.Name;
items.AddRange(drives);
items.AddRange(new string[]
{
Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory),
Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
Environment.GetFolderPath(Environment.SpecialFolder.MyMusic),
Environment.GetFolderPath(Environment.SpecialFolder.MyPictures),
Environment.GetFolderPath(Environment.SpecialFolder.MyVideos)
});
return(items);
}
catch (Exception ex)
{
OnNavigationException?.Invoke(this, ex.Message);
return(null);
}
}
private void RenderFolderView(string driveLetter)
{
if (string.IsNullOrEmpty(driveLetter))
{
return;
}
try
{
string[] directories = null;
if (!IsHiddenVisible)
{
var dir = new DirectoryInfo(Directory.GetDirectoryRoot(driveLetter));
var folders = from i in dir.GetDirectories()
where !i.Attributes.HasFlag(FileAttributes.Hidden)
select i.FullName;
directories = folders.ToArray();
}
else
{
directories = Directory.GetDirectories(driveLetter);
}
foreach (string s in directories)
{
var folder = new TreeViewItem
{
Header = Path.GetFileName(s),
Tag = s,
FontWeight = FontWeights.Normal
};
folder.Items.Add(_dummyNode);
folder.Expanded += Folder_Expanded;
Items.Add(folder);
}
}
catch (Exception ex)
{
OnNavigationException?.Invoke(this, ex.Message);
}
}
private void Render()
{
try
{
string[] parts = SelectedPath?.Split('/', '\\');
if (parts == null || parts.Length < 0)
{
return;
}
for (int i = 0; i < parts.Length; i++)
{
if (string.IsNullOrEmpty(parts[i]))
{
continue;
}
Button b = new Button
{
Style = Application.Current.TryFindResource(typeof(Button)) as Style,
ToolTip = BuildPathString(parts, i),
Content = parts[i]
};
b.Click += B_Click;
BreadCumbs.Children.Add(b);
TextBlock div = new TextBlock();
div.Text = @"\";
BreadCumbs.Children.Add(div);
}
}
catch (Exception ex)
{
OnNavigationException?.Invoke(this, ex.Message);
}
}
private void RenderFileList(string path)
{
if (path == HomePath)
{
ItemsSource = RenderHome();
return;
}
var items = new List <string>();
try
{
if (string.IsNullOrEmpty(path))
{
return;
}
var dir = new DirectoryInfo(path);
if (IsHiddenVisible)
{
items.AddRange(Directory.GetDirectories(path));
if (FilteredExtensions != null && FilteredExtensions.Any())
{
var files = from i in dir.GetFiles()
where FilteredExtensions.Contains(i.Extension)
select i.FullName;
items.AddRange(files);
}
else
{
var files = from i in dir.GetFiles()
select i.FullName;
items.AddRange(files);
}
}
else
{
var folders = from i in dir.GetDirectories()
where !i.Attributes.HasFlag(FileAttributes.Hidden)
select i.FullName;
items.AddRange(folders);
if (FilteredExtensions != null && FilteredExtensions.Any())
{
var files = from i in dir.GetFiles()
where !i.Attributes.HasFlag(FileAttributes.Hidden) &&
FilteredExtensions.Contains(i.Extension)
select i.FullName;
items.AddRange(files);
}
else
{
var files = from i in dir.GetFiles()
where !i.Attributes.HasFlag(FileAttributes.Hidden)
select i.FullName;
items.AddRange(files);
}
}
ItemsSource = null;
ItemsSource = items;
}
catch (Exception ex)
{
ItemsSource = null;
OnNavigationException?.Invoke(this, ex.Message);
}
}