void INavigationAware.OnNavigatedTo(NavigationContext navigationContext)
{
var id = navigationContext.Parameters["id"];
if (!string.IsNullOrEmpty(id))
{
var fileset = _filesetService.Filesets.FirstOrDefault(fs => fs.Id.ToString() == id);
if (fileset != null)
{
Fileset = new FilesetViewModel(fileset);
ActivityLog = _activityLogService.GetEvents(fileset.Id);
}
_filesetService.Filesets.Select(fs => fs.Category)
.Distinct()
.Where(c => !string.IsNullOrEmpty(c))
.ForEach(_categories.Add);
}
}
private void ExecuteRemoveFileset(FilesetViewModel model)
{
var fs = _filesetService.Filesets.FirstOrDefault(f => f.Id == model.Id);
if (fs != null)
{
_filesetService
.Remove(fs)
.ContinueWith(task =>
{
Trace.WriteLineIf(task.IsFaulted, task.Exception);
});
}
}
private void ExecuteExportFileset(FilesetViewModel fileset)
{
var dialog = new SaveFileDialog();
dialog.Title = "Select location to export the fileset";
dialog.FileName = fileset.Id + ".fis";
if (dialog.ShowDialog() == true)
{
var fs = _filesetService.Filesets.FirstOrDefault(fvm => fvm.Id == fileset.Id);
if (fs != null)
{
_filesetService
.Save(fs, () => new FileStream(dialog.FileName, FileMode.Create))
.ContinueWith(task =>
{
Trace.WriteLineIf(task.IsFaulted, task);
});
}
}
}
private bool CanExecuteRemoveFileset(FilesetViewModel model)
{
return model != null;
}
private bool CanExecuteExportFileset(FilesetViewModel fileset)
{
return fileset != null;
}
void INavigationAware.OnNavigatedTo(NavigationContext navigationContext)
{
_navigationService = navigationContext.NavigationService;
foreach (var fileset in _filesetService.Filesets)
{
var viewModel = new FilesetViewModel(fileset);
viewModel.PropertyChanged += OnFilesetPropertyChanged;
_filesets.Add(viewModel);
}
_filesetAdded = _filesetService
.FilesetAdded
.ObserveOnDispatcher()
.Subscribe(fileset =>
{
var viewModel = new FilesetViewModel(fileset);
viewModel.PropertyChanged += OnFilesetPropertyChanged;
_filesets.Add(viewModel);
Filesets.MoveCurrentTo(viewModel);
});
_filesetRemoved = _filesetService
.FilesetRemoved
.ObserveOnDispatcher()
.Subscribe(fileset =>
{
var fs = _filesets.FirstOrDefault(fvm => fvm.Id == fileset.Id);
if (fs != null)
{
fs.PropertyChanged -= OnFilesetPropertyChanged;
_filesets.Remove(fs);
}
if (Filesets.IsEmpty)
{
_navigationService.Region.RegionManager.Regions[AppRegions.MainRegion]
.RequestNavigate(typeof(IWelcomeView).Name);
}
});
Filesets = CollectionViewSource.GetDefaultView(_filesets);
Filesets.GroupDescriptions.Add(new PropertyGroupDescription("Category"));
Filesets.SortDescriptions.Add(new SortDescription("Category", ListSortDirection.Ascending));
Filesets.SortDescriptions.Add(new SortDescription("Name", ListSortDirection.Ascending));
Filesets.CurrentChanged += CurrentFilesetChanged;
Filesets.MoveCurrentTo(null);
Filesets.MoveCurrentToFirst();
}