public static SortEditor FactoryMethod(int view)
{
SortEditor Result;
switch (view)
{
case 1:
Result = new SortEditor();
break;
default:
Result = new SortEditor();
break;
}
if (!(Result is IView))
{
throw new Exception("Factory method have to return a object.");
}
return(Result);
}
public CatalogPageViewModel(ClientWindowViewModel parent)
{
this.parent = parent;
this.client = parent.Client;
this.library = parent.Library;
var core = parent.Core;
this.Length = client.Length.ToReadOnlyReactiveProperty().AddTo(this.Disposables);
this.IsInSelecting = this.client.SelectedItemsCount
.Select(x => x > 0)
.ToReadOnlyReactiveProperty()
.AddTo(this.Disposables);
//表示中のインデックス
this.StartIndex = this.client
.CatalogIndex
.Select(x => (x < int.MaxValue) ? (int)x : int.MaxValue)
.ToReactiveProperty()
.AddTo(this.Disposables);
this.StartIndex
.Subscribe(x => this.client.CatalogIndex.Value = x)
.AddTo(this.Disposables);
this.DisplayIndex = this.StartIndex.Select(x => x + 1).ToReactiveProperty().AddTo(this.Disposables);
this.DisplayIndex.Subscribe(x => this.StartIndex.Value = x - 1).AddTo(this.Disposables);
this.ThumbnailSize = core.ObserveProperty(x => x.ThumbNailSize)
.Select(x => (double)x)
.ToReactiveProperty().AddTo(this.Disposables);
this.ThumbnailViewSize = this.ThumbnailSize
.Select(x => new Size(x, x))
.ToReadOnlyReactiveProperty()
.AddTo(this.Disposables);
this.ImagePropertiesVisibility = this.ThumbnailSize
.Select(x => VisibilityHelper.Set(x > 128)).ToReactiveProperty().AddTo(this.Disposables);
this.ThumbnailMargin = this.ThumbnailSize
.Select(x => new Thickness((x < 128) ? 1 : (x < 256) ? 2 : 4))
.ToReactiveProperty().AddTo(this.Disposables);
this.IsRefreshEnabled = this.client.IsStateChanging
.Select(x => !x)
.ToReadOnlyReactiveProperty()
.AddTo(this.Disposables);
this.IsRenderingEnabled = this.client.IsCatalogRenderingEnabled
.CombineLatest(this.client.SelectedPage, (e, p) => e && p == PageType.Catalog)
.ToReadOnlyReactiveProperty(true)
.AddTo(this.Disposables);
//戻ってきたときにサムネイル再読み込み
client.BackHistoryCount
.Pairwise()
.CombineLatest(client.SelectedPage,
(history, page) => history.OldItem > history.NewItem && page == PageType.Catalog)
.Where(x => x)
.Subscribe(_ => this.RefreshTrigger = !this.RefreshTrigger)
.AddTo(this.Disposables);
client.CacheUpdated
.SkipUntil(client.StateChanged)
.Take(1)
.Repeat()
.Subscribe(_ => this.RefreshTrigger = !this.RefreshTrigger)
.AddTo(this.Disposables);
//スクロールが落ち着いたら再読み込み
this.StartIndex
.Throttle(TimeSpan.FromMilliseconds(3000))
.ObserveOnUIDispatcher()
.Subscribe(_ => this.RefreshTrigger = !this.RefreshTrigger)
.AddTo(this.Disposables);
//スクロール位置復元
this.client.CatalogScrollIndex
.Subscribe(x => this.ScrollToIndexAction?.Invoke((int)x))
.AddTo(this.Disposables);
//サムネイルクリック
this.ItemClickCommand = new ReactiveCommand()
.WithSubscribe(context => this.SelectOrShow(context, true), this.Disposables);
//選択
this.ItemSelectCommand = new ReactiveCommand()
.WithSubscribe(context => this.SelectOrShow(context, false), this.Disposables);
//ソート条件編集
this.EditSortCommand = new ReactiveCommand()
.WithSubscribe(x =>
{
var control = x as FrameworkElement;
var content = new SortEditor()
{
ItemsSource = this.client.GetSort(),
};
content.IsEnabledChanged += (o, e) =>
{
var value = e.NewValue as bool?;
if (value.HasValue && !value.Value)
{
this.client.SetSort(content.SortSettings);
}
};
this.parent.PopupOwner.PopupDialog.Show(content,
new Thickness(double.NaN, 10.0, 0.0, double.NaN),
HorizontalAlignment.Right, VerticalAlignment.Bottom, control);
}, this.Disposables);
//すべて選択
this.SelectAllCommand = new ReactiveCommand()
.WithSubscribe(async _ => await this.client.SelectAllAsync(), this.Disposables);
//選択をクリア
this.SelectionClearCommand = this.IsInSelecting
.ToReactiveCommand()
.WithSubscribe(_ => this.SelectedItems.Clear(), this.Disposables);
//グループ化
this.GroupingCommand = this.client.SelectedItemsCount
.CombineLatest(this.client.IsGroupMode, (c, g) => c > 1 && !g)
.ToReactiveCommand()
.WithSubscribe(_ => this.client.Grouping(), this.Disposables);
//グループから退去
this.RemoveFromGroupCommand = this.client.SelectedItemsCount
.CombineLatest(this.client.IsGroupMode, (c, g) => c >= 1 && g)
.ToReactiveCommand()
.WithSubscribe(_ => this.client.RemoveFromGroup(), this.Disposables);
this.SetToLeaderCommand = this.client.SelectedItemsCount
.CombineLatest(this.client.IsGroupMode, (c, g) => c == 1 && g)
.ToReactiveCommand()
.WithSubscribe(_ => this.client.SetGroupLeader(), this.Disposables);
this.RefreshCommand = new ReactiveCommand()
.WithSubscribe(_ => this.client.Refresh(), this.Disposables);
this.RegisterKeyReceiver(parent);
}
