private void ReplaceArchiveWithExtractedContents(FileSystemTreeElement archiveFileSystemTreeElement, DirectoryInfo archiveExtractionDirectory)
{
if (archiveFileSystemTreeElement.ParentFileSystemTreeElement.IsDirectory)
{
FileSystemTreeElement parent = archiveFileSystemTreeElement.ParentFileSystemTreeElement;
ObservableCollection <FileSystemTreeElement> parentContainigFileSystemElementCollection = parent.ChildFileSystemTreeElements;
int archiveFileIndex = parentContainigFileSystemElementCollection.IndexOf(archiveFileSystemTreeElement);
var archiveRepresentationNode = new FileSystemTreeElement(
parent.RootFileSystemTreeElement,
parent,
archiveExtractionDirectory)
{
IsArchive = true, AlternativeIElementName = archiveFileSystemTreeElement.ElementInfo.Name.Equals(archiveExtractionDirectory.Name, StringComparison.OrdinalIgnoreCase) ? "" : archiveExtractionDirectory.Name
};
List <FileSystemTreeElement> lazySubdirectories = archiveRepresentationNode.InitializeWithLazyTreeStructure();
archiveRepresentationNode.SortChildren();
FilterFileSystemTree(archiveRepresentationNode);
Application.Current.Dispatcher.Invoke(
() =>
{
parentContainigFileSystemElementCollection.Insert(archiveFileIndex, archiveRepresentationNode);
parentContainigFileSystemElementCollection.Remove(archiveFileSystemTreeElement);
archiveFileSystemTreeElement.ParentFileSystemTreeElement.ChildFileSystemTreeElements =
parentContainigFileSystemElementCollection;
if (archiveRepresentationNode.IsLazyLoading)
{
ObserveVirtualDirectories(lazySubdirectories);
}
archiveRepresentationNode.IsExpanded = true;
},
DispatcherPriority.Send);
}
}
private void LazyLoadChildren(FileSystemTreeElement directoryNode)
{
if (!directoryNode.HasLazyChildren)
{
return;
}
directoryNode.HasLazyChildren = false;
Task.Run(
() =>
{
List <FileSystemTreeElement> lazyFileSystemElements = directoryNode.InitializeWithLazyTreeStructure();
directoryNode.SortChildren();
FilterFileSystemTree(directoryNode);
if (directoryNode.IsLazyLoading)
{
ObserveVirtualDirectories(lazyFileSystemElements);
}
}).ConfigureAwait(true);
}