public FilterViewModel(string header, FilterIndexes filterIndex, IEnumerable <object> entities, Func <object, string> captionFunc) : this(header, filterIndex) { if (entities == null) { throw new ArgumentNullException(nameof(entities), @"entities cannot be null."); } if (captionFunc == null) { throw new ArgumentNullException(nameof(captionFunc), @"captionFunc cannot be null."); } FilterItemVmCollection = new ObservableCollection <FilterItemViewModel>( entities.Select( e => { var item = new FilterItemViewModel(e, captionFunc); item.PropertyChanged += OnFilterItemPropertyChanged; return(item); }) ); foreach (var filterItem in FilterItemVmCollection) { filterItem.IsChecked = true; } }
public FilterViewModel(string header, FilterIndexes filterIndex, bool?isCheckedValue = null) : this(header, filterIndex) { var trueItem = new FilterItemViewModel(true, TRUE_CAPTION); trueItem.PropertyChanged += OnFilterItemPropertyChanged; var falseItem = new FilterItemViewModel(false, FALSE_CAPTION); falseItem.PropertyChanged += OnFilterItemPropertyChanged; FilterItemVmCollection = new ObservableCollection <FilterItemViewModel>(new [] { trueItem, falseItem }); trueItem.IsChecked = isCheckedValue ?? true; falseItem.IsChecked = !isCheckedValue ?? true; }
public FilterChangedEventArgs(FilterIndexes filterIndex) { FilterIndex = filterIndex; }
private FilterViewModel(string header, FilterIndexes filterIndex) { Header = header; _filterIndex = filterIndex; _entities = new List <object>(); }
protected internal abstract void Refresh(FilterIndexes filter);