private void InitializeFilters()
{
filters = new ObservableCollection <FilterObject>(FiltersHelper.GetFiltersObjects());
filtersCollectionView = (CollectionView)CollectionViewSource.GetDefaultView(filters);
filtersCollectionView.GroupDescriptions.Add(new PropertyGroupDescription(nameof(FilterObject.Stage)));
selectedFilters = new ReactiveList <FilterObject>();
selectedFilters.Changed.Subscribe(x =>
{
if (SelectedNote == null || SelectedNote.Settings == null)
{
return;
}
if (x.Action == NotifyCollectionChangedAction.Add)
{
var addedItems = x.NewItems.OfType <FilterObject>();
if (addedItems != null)
{
foreach (var addedItem in addedItems)
{
if (!SelectedNote.Settings.SelectedFilters.Any(f => f.Filter == addedItem.Filter))
{
SelectedNote.Settings.SelectedFilters.Add(addedItem);
}
}
}
}
else if (x.Action == NotifyCollectionChangedAction.Remove)
{
var removedItems = x.OldItems.OfType <FilterObject>();
if (removedItems != null)
{
foreach (var removeItem in removedItems)
{
var itemToRemove = SelectedNote.Settings
.SelectedFilters
.FirstOrDefault(f => f.Filter == removeItem.Filter);
if (itemToRemove != null)
{
SelectedNote.Settings.SelectedFilters.Remove(itemToRemove);
}
}
}
}
RaiseFilterBasedPropertyChanged();
});
selectedFiltersCollectionView = (CollectionView)CollectionViewSource.GetDefaultView(selectedFilters);
selectedFiltersCollectionView.GroupDescriptions.Add(new PropertyGroupDescription(nameof(FilterObject.Stage)));
}
public SetFilterValueViewModel()
{
filtersDictionary = FiltersHelper.GetFiltersObjects().ToDictionary(x => x.Filter, x => x.Description);
SaveCommand = ReactiveCommand.Create(() =>
{
OnSaveAction?.Invoke();
FinishInteraction?.Invoke();
});
CancelCommand = ReactiveCommand.Create(() =>
{
OnCancelAction?.Invoke();
FinishInteraction?.Invoke();
});
}