public MainWindowVm(string directory,
VirtualCollectionSource <FileModel, FileViewModel> virtualSource)
{
Directory = directory;
VirtualSource = virtualSource;
FilterName = new ReactivePropertySlim <string>().AddTo(Disposables);
FilterExtension = new ReactivePropertySlim <string>().AddTo(Disposables);
CollectedSize = new ReactivePropertySlim <int>().AddTo(Disposables);
StagedSize = new ReactivePropertySlim <int>().AddTo(Disposables);
VirtualProxySize = new ReactivePropertySlim <int>().AddTo(Disposables);
LowerFilterName = FilterName.Select(x => x?.ToLower()).ToReadOnlyReactivePropertySlim().AddTo(Disposables);
LowerFilterExtension = FilterExtension.Select(x => x?.ToLower()).ToReadOnlyReactivePropertySlim().AddTo(Disposables);
// 仮想Cコンテナにフィルター関数を設定します。
virtualSource.SetFilter( x => x.Filter(LowerFilterName.Value, LowerFilterExtension.Value) );
// 検索ボックスの入力からトリガしてフィルターを実行します。
FilterName
.Merge(FilterExtension)
.Throttle(TimeSpan.FromMilliseconds(200), UIDispatcherScheduler.Default)
.Subscribe(async _ => await VirtualSource.ResetCollection())
.AddTo(Disposables);
// 画面表示用に定期更新します
Observable.Interval(TimeSpan.FromMilliseconds(100), UIDispatcherScheduler.Default)
.Subscribe(_ =>
{
CollectedSize.Value = VirtualSource.SourceSize;
StagedSize.Value = VirtualSource.Items.Count;
VirtualProxySize.Value = VirtualSource.ProxySize;
}).AddTo(Disposables);
}
public MainWindowVm()
{
FilterText = new ReactivePropertySlim <string>(string.Empty).AddTo(CompositeDisposable);
ShowMegaEvolution = new ReactivePropertySlim <bool>().AddTo(CompositeDisposable);
ShowBanLegend = new ReactivePropertySlim <bool>().AddTo(CompositeDisposable);
ShowDetailCommand = new DelegateCommand <PokemonListItemVm>(x => Messenger.Raise(new TransitionMessage(new PokemonDetailVm(x.Model), "ShowDetail")));
var abilities = DataLoader.LoadAbilities();
var types = DataLoader.LoadTypes();
var persons = DataLoader.LoadPersonarities();
var pokemons = DataLoader.LoadPokemons();
var moves = DataLoader.LoadMoves();
var forms = DataLoader.LoadForms();
var db = DataBase.Build(abilities, types, persons, pokemons, moves, forms);
DataBaseService.Initialize(db);
ItemsSource = db.Pokemons
.Select(x => new PokemonListItemVm(x))
.Concat(db.Forms.Select(x => new PokemonListItemVm(x)))
.OrderBy(x => x.ID)
.ToList();
IdFilter = new List <FilterVm>()
{
new FilterVm("全国", (x) => true),
new FilterVm("ガラル", (x) => x.GalarID != null),
};
IdFilter
.Select(x => x.ObserveProperty(filterVm => filterVm.IsEnabled))
.Merge()
.StartWith()
.Where(x => IdFilter.Any(filterVm => filterVm.IsEnabled))
.Select(_ => IdFilter.FirstOrDefault(x => x.IsEnabled))
.Throttle(TimeSpan.FromMilliseconds(50))
.ObserveOnUIDispatcher()
.Do(x =>
{
switch (x.Label)
{
case "全国":
foreach (var item in ItemsSource)
{
item.ID = item.Model.Id;
}
break;
case "ガラル":
foreach (var item in ItemsSource)
{
item.ID = item.Model.GalarID ?? -1;
}
break;
}
})
.Do(x => ApplyFilters())
.Subscribe()
.AddTo(CompositeDisposable);
FilterText
.Throttle(TimeSpan.FromMilliseconds(50))
.ObserveOnUIDispatcher()
.Subscribe(_ => Messenger.Raise(new InteractionMessage("RaiseFilter")))
.AddTo(CompositeDisposable);
ShowMegaEvolution
.Merge(ShowBanLegend)
.Throttle(TimeSpan.FromMilliseconds(5))
.ObserveOnDispatcher()
.Do(_ => ApplyFilters())
.Subscribe();
}