private void UpdateNodeCache(Action <ISourceUpdater <ItemViewModelBase, string> > updateAction)
{
int selectedItemIndex = SelectedItemIndex;
NodeItemViewModelCache.Edit(updateAction);
SelectedItemIndex = selectedItemIndex;
}
private ShellViewModel()
{
FilePath = new BehaviorSubject <string>(@"Test.mrpd");
this.WhenActivated(d =>
{
TestCommand = ReactiveCommand.Create(() =>
{
TestName = "Test";
});
(LoadFileCommand = ReactiveCommand.Create(LoadFile)).DisposeWith(d);
(UpCommand = ReactiveCommand.Create(Up, this.WhenAnyValue(s => s.SelectedNodeIndex).Select(i => i > 0))).DisposeWith(d);
(CreateNodeCommand = ReactiveCommand.Create(CreateNode)).DisposeWith(d);
(_deleteNodeCommand = ReactiveCommand.Create <string>(DeleteNode)).DisposeWith(d);
(_enterNodeCommand = ReactiveCommand.Create <string>(EnterNode)).DisposeWith(d);
(_startRenameNodeCommand = ReactiveCommand.Create <string>(StartRenameNode)).DisposeWith(d);
(_endRenameNodeCommand = ReactiveCommand.Create <(string, string)>(EndRenameNode)).DisposeWith(d);
(_deleteDataCommand = ReactiveCommand.Create <string>(DeleteData)).DisposeWith(d);
NodeNameList.Connect().ObserveOnDispatcher(DispatcherPriority.Background).Bind(out _nodeNames).Subscribe().DisposeWith(d);
NodeItemViewModelCache.Connect().Sort(SortExpressionComparer <ItemViewModelBase> .Ascending(i => i.Name)).Concat(DataItemViewModelCache.Connect().Sort(SortExpressionComparer <ItemViewModelBase> .Ascending(i => i.Name))).Bind(out _itemViewModels).Subscribe().DisposeWith(d);
this.WhenAnyValue(s => s.SelectedNodeIndex).Skip(1).Subscribe(SelectedNodeIndexChanged).DisposeWith(d);
FilePath.Subscribe(FilePathChanged).DisposeWith(d);
FilePath.Select(f => f != null).ToProperty(this, s => s.HasFile, out _hasFile).DisposeWith(d);
(SaveCommand = ReactiveCommand.Create(async() =>
{
await this.ShowProgressAsync("", "正在保存...");
})).DisposeWith(d);
});
}
private async void DeleteNode(string name)
{
await Connection.DeleteNodeAsync(name);
NodeItemViewModelCache.RemoveKey(name);
}