public async Task <IPictureGridViewModel> LoadAPictureGridViewModel(string folderPath, List <string> searchPatterns)
{
// Check if folder is already opened.
//todo: think about if user opens the same folder but with different search patterns
var pictureGridViewModel = PictureGridViewModels.ToList().Find(picGrid =>
((PictureGridViewModel)picGrid).AbsolutePath == folderPath);
if (pictureGridViewModel == null)
{
var pictureFileNames = await _fileService.GetFileNamesFromDirectoryAsync(folderPath, searchPatterns);
pictureGridViewModel = _pictureGridViewModelCreator();
PictureGridViewModels.Add(pictureGridViewModel);
if (pictureFileNames.Count > 0)
{
pictureGridViewModel.Load(pictureFileNames);
}
else
{
pictureGridViewModel.LoadEmptyFolder(folderPath);
}
}
return(pictureGridViewModel);
}
public IPictureGridViewModel LoadAPictureGridViewModel(List <string> pictureFileNames)
{
// Check if folder is already opened.
var pictureGridViewModel = PictureGridViewModels.ToList().Find(picGrid =>
((PictureGridViewModel)picGrid).AbsolutePath == pictureFileNames.First().ToParentFolderPath());
if (pictureGridViewModel == null)
{
pictureGridViewModel = _pictureGridViewModelCreator();
PictureGridViewModels.Add(pictureGridViewModel);
pictureGridViewModel.Load(pictureFileNames);
}
else
{
// Remove any duplicates.
pictureFileNames.RemoveAll(fileName => PictureGridViewModels.ToList()
.Exists(gridViewModel => gridViewModel.Pictures.ToList()
.Exists(pic => pic.FullFileName == fileName)));
if (pictureFileNames.Count > 0)
{
pictureGridViewModel.Load(pictureFileNames);
}
else
{
pictureGridViewModel = SelectedPictureGridViewModel;
}
}
return(pictureGridViewModel);
}
private void OnMovingPicturesEvent(MovingPicturesPayload payload)
{
var oldFolderPath = payload.Pictures.Select(pic => pic.FolderPath).First();
var oldPictureGridViewModel = PictureGridViewModels.First(viewModel =>
viewModel.AbsolutePath == oldFolderPath);
var newPictureGridViewModel = PictureGridViewModels.FirstOrDefault(viewModel =>
viewModel.AbsolutePath == payload.NewFolderPath);
payload.Pictures.ForEach(pic =>
{
if (_pictureRepository.TryMove(pic, payload.NewFolderPath).Success.Value)
{
oldPictureGridViewModel.Pictures.Remove(pic);
if (newPictureGridViewModel != null)
{
pic.FullFileName = $"{payload.NewFolderPath}\\{pic.FileName}";
newPictureGridViewModel.Pictures.Add(pic);
}
}
});
}
private void OnCloseFolderCommand(IPictureGridViewModel tab)
{
PictureGridViewModels.Remove(tab);
}
