public QuoteManageViewModel(BaseViewModel parent) { this.parent = parent; // Get the list of all quotes quoteList = QuoteModel.getQuoteList(); // gets the list of all deleted questions deletedQuoteList = QuoteModel.getDeletedQuoteList(); // Keep a copy of the quoteList so that we can restore the list after filtering originalQuoteList = new ObservableCollection <QuoteModel>(quoteList); }