/// <summary>
/// Constructs a View model from a rectangles (images) that were loaded
/// </summary>
/// <param name="rects">The loaded rects</param>
public LoadedImagesTreeViewModel(IEnumerable <PPRect> rects)
{
eventAggregator = ServiceLocator.Current.GetInstance <IEventAggregator>();
var folderImage = BitmapManager.LoadBitmap("folder.png");
folderImageVM = folderImage != null ? new ImageViewModel(folderImage) : null;
//Paths = images.Select(x => x.ImagePath);
FSEntries = CreateFSEntries(rects);
Unload = new RelayCommand((x) =>
{
//Task.Factory.StartNew(() =>
//{
var node = x as NodeVM;
IEnumerable <string> paths = Enumerable.Empty <string>();
var nodesToUnload = new Stack <NodeVM>();
nodesToUnload.Push(node);
while (nodesToUnload.Count > 0)
{
var currNode = nodesToUnload.Pop();
if (currNode.IsDirectory)
{
foreach (var childNode in currNode.Children)
{
nodesToUnload.Push(childNode);
}
}
else
{
paths = paths.Append(currNode.Path);
}
}
eventAggregator.GetEvent <UnloadImagesEvent>().Publish(new UnloadImagesPayload(paths));
//only uppon success
if (RemoveNode(FSEntries, node))
{
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(FSEntries)));
}
//}, CancellationToken.None, TaskCreationOptions.None, TaskScheduler.FromCurrentSynchronizationContext());
}, (_) => true);
OpenInFileExplorer = new RelayCommand((x) =>
{
var path = ((NodeVM)x).Path;
var explorerService = new Services.OpenFileExplorer();
if (System.IO.Directory.Exists(path) || System.IO.File.Exists(path))
{
explorerService.ShowFileExplorer(path);
}
else
{
throw new InvalidOperationException($"Error occured, the file system entry {path} does not exist anymore");
}
}, (_) => true);
NodeRightClick = new RelayCommand((x) =>
{
if (x is NodeVM node)
{
node.IsSelected = true;
}
}, (_) => true);
}
