} // end PopulateChildrenThreadSafe function
/// <summary>
///
/// </summary>
/// <param name="parentFolder"></param>
/// <param name="parentFolderTreeItem">Send this so that if a folder didn't have sub folders, we could de-expand it</param>
private void PopulateChildren(FolderModel parentFolder, TreeViewItem parentFolderTreeItem)
{
Thread t = new Thread(() =>
{
try
{
PopulateChildrenThreadSafe(parentFolder);
}
catch (Exception ex)
{
// ignore folders that had exceptions (They will de-expand)
}
finally
{
parentFolder.Busy = false;
if (!parentFolder.Children.Any())
{
// add back a sub folder and de-expand
this.Dispatcher.Invoke(() =>
{
parentFolder.Children.Add(new FolderModel());
parentFolderTreeItem.IsExpanded = false; // de-expand so that the user could try expanding it again (If they put something in the folder or whatever...)
});
}
}
});
parentFolder.Busy = true;
t.Start();
}
private void OpenSelectedFolderMenuItem_Click(object sender, RoutedEventArgs e)
{
FolderModel selectedFolder = (sender as MenuItem).DataContext as FolderModel;
if (selectedFolder != null)
{
System.Diagnostics.Process.Start("explorer.exe", selectedFolder.Path);
}
}
/// <summary>
/// This function is used to add folders to any sub folder, and also to add folders to the root list of folders
/// </summary>
/// <param name="subFolders"></param>
/// <param name="name"></param>
/// <param name="path"></param>
private void AddFolderThreadSafe(ObservableCollection <FileSystemNodeModel> subFolders, string name, string path)
{
var folder = new FolderModel
{
Name = name,
Path = path
};
// add an empty child, so we can expand it
folder.Children.Add(new FolderModel());
this.Dispatcher.Invoke(() =>
{
subFolders.Add(folder);
});
}
private void FolderContentControl_MouseDown(object sender, MouseButtonEventArgs e)
{
FolderModel selectedFolder = (sender as ContentControl).DataContext as FolderModel;
if (selectedFolder != null)
{
this.SelectedFolder = selectedFolder;
if (this.FolderSelected != null)
{
this.FolderSelected(this, new FolderSelectedEventArgs
{
SelectedFolder = selectedFolder
});
}
}
}
private void PopulateChildrenThreadSafe(FolderModel parentFolder)
{
// first clear what's there
this.Dispatcher.Invoke(() =>
{
parentFolder.Children.Clear();
});
if (System.IO.Directory.Exists(parentFolder.Path))
{
// enumerate shortcuts
foreach (string shortcutFile in System.IO.Directory.EnumerateFiles(parentFolder.Path, "*.lnk", System.IO.SearchOption.TopDirectoryOnly))
{
// alot of win32 encapsulated stuff is going on here, so stick it in a try/catch
try
{
string shortcutName = System.IO.Path.GetFileNameWithoutExtension(shortcutFile);
string resolvedPath = Utilities.FileSystemShortcutHandler.ResolveShortcut(shortcutFile);
// determining directories from this information: http://stackoverflow.com/questions/439447/net-how-to-check-if-path-is-a-file-and-not-a-directory
// determine if it's a directory
var fileAttrs = System.IO.File.GetAttributes(resolvedPath);
// fileAttrs is a bitmask, so we have to use the & bitwise operater to determine if it's a directory or not
if ((fileAttrs & System.IO.FileAttributes.Directory) == System.IO.FileAttributes.Directory)
{
AddFolderThreadSafe(parentFolder.Children, shortcutName, resolvedPath);
}
}
catch (Exception ex)
{
// shortcut didn't work out (But I don't think we need an error message)
}
}
// enumerate directories
foreach (string directoryPath in System.IO.Directory.EnumerateDirectories(parentFolder.Path, "*.*", System.IO.SearchOption.TopDirectoryOnly))
{
var dirInfo = new System.IO.DirectoryInfo(directoryPath);
AddFolderThreadSafe(parentFolder.Children, dirInfo.Name, directoryPath);
}
List <string> extensions = new List <string>();
this.Dispatcher.Invoke(() =>
{
// we can't access the DP inside this thread, so copy it
extensions.AddRange(this.FileExtensionsList);
});
// enumerate files
foreach (string filePath in System.IO.Directory.EnumerateFiles(parentFolder.Path, "*.*", System.IO.SearchOption.TopDirectoryOnly))
{
var fileInfo = new System.IO.FileInfo(filePath);
if (extensions.Any() == false ||
extensions.Any(ext => string.Equals(fileInfo.Extension, '.' + ext, StringComparison.OrdinalIgnoreCase))
)
{
AddFileThreadSafe(parentFolder.Children, fileInfo.Name, filePath);
}
} // end of looping through files
} // end of if the folder exists
} // end PopulateChildrenThreadSafe function
