// Used to expand current folder by one layer: load all items under this folder
public static void FolderGenerator(TreeFolderInfo currentFolder)
{
// Clear temp
currentFolder.Folders.Clear();
// Add items to folder
try
{
foreach (DirectoryInfo subInfo in currentFolder.Info.EnumerateDirectories())
{
// Generate Folders
TreeFolderInfo subFolder = new TreeFolderInfo(null, subInfo);
subFolder.bSelected = currentFolder.bSelected; // Let Children share the same status of selection as parent
subFolder.Folders.Add(new TreeFolderInfo(true));
currentFolder.Folders.Add(subFolder);
}
}
catch (UnauthorizedAccessException) { }
catch (PathTooLongException) { }
try
{
foreach (FileInfo file in currentFolder.Info.EnumerateFiles())
{
// Generate Files
TreeFileInfo fileInfo = new TreeFileInfo(file);
fileInfo.bSelected = currentFolder.bSelected;
currentFolder.Files.Add(fileInfo);
}
}
catch (UnauthorizedAccessException) { }
catch (System.IO.PathTooLongException) { }
}
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
TreeFolderInfo input = value as TreeFolderInfo;
CompositeCollection collection = new CompositeCollection();
collection.Add(new CollectionContainer()
{
Collection = input.Folders
});
collection.Add(new CollectionContainer()
{
Collection = input.Files
});
return(collection);
}