public NodeCategoryViewModel(string name, IEnumerable <NodeSearchElementViewModel> entries, IEnumerable <NodeCategoryViewModel> subs)
{
ClickedCommand = new DelegateCommand(Expand);
Name = name;
this.entries = new ObservableCollection <NodeSearchElementViewModel>(entries.OrderBy(x => x.Name));
subCategories = new ObservableCollection <NodeCategoryViewModel>(subs.OrderBy(x => x.Name));
foreach (var category in SubCategories)
{
category.PropertyChanged += CategoryOnPropertyChanged;
}
Entries.CollectionChanged += OnCollectionChanged;
SubCategories.CollectionChanged += OnCollectionChanged;
SubCategories.CollectionChanged += SubCategoriesOnCollectionChanged;
items = new ObservableCollection <ISearchEntryViewModel>(
SubCategories.Cast <ISearchEntryViewModel>().Concat(Entries));
Items.CollectionChanged += ItemsOnCollectionChanged;
foreach (var item in Items)
{
item.PropertyChanged += ItemOnPropertyChanged;
}
Visibility = true;
IsExpanded = false;
}