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C# IReactiveCommand.SelectMany方法代码示例

本文整理汇总了C#中IReactiveCommand.SelectMany方法的典型用法代码示例。如果您正苦于以下问题:C# IReactiveCommand.SelectMany方法的具体用法?C# IReactiveCommand.SelectMany怎么用?C# IReactiveCommand.SelectMany使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在IReactiveCommand的用法示例。


在下文中一共展示了IReactiveCommand.SelectMany方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: TaxonManagementVM

        public TaxonManagementVM(
            IConnectivityService Connectivity,
            ITaxonService Taxa,
            IDiversityServiceClient Service,
            INotificationService Notification
            ) {
            this.Connectivity = Connectivity;
            this.Service = Service;
            this.Taxa = Taxa;
            this.Notification = Notification;

            _IsOnlineAvailable = this.ObservableToProperty(Connectivity.WifiAvailable(), x => x.IsOnlineAvailable);

            var localLists =
            this.FirstActivation()
                .SelectMany(_ =>
                    Taxa.getTaxonSelections()
                    .ToObservable(ThreadPoolScheduler.Instance)
                    .Select(list => new TaxonListVM(list)))
                    .Publish();
            LocalLists =
                localLists
                .ObserveOnDispatcher()
                .CreateCollection();



            var onlineLists =
            localLists
                .IgnoreElements() //only download lists once the local ones are loaded
                .Concat(Observable.Return(null as TaxonListVM))
                .CombineLatest(this.OnActivation(), (_, _2) => _2)
                .CheckConnectivity(Connectivity, Notification)
                .SelectMany(_ => {
                    return Service.GetTaxonLists()
                        .DisplayProgress(Notification, DiversityResources.TaxonManagement_State_DownloadingLists)
                        .TakeUntil(this.OnDeactivation());
                })
                .ObserveOnDispatcher()
                .SelectMany(lists =>
                    lists.Where(list => !LocalLists.Any(loc => loc.Model == list)) // Filter lists already present locally
                        .Select(list => new TaxonListVM(list))
                    )
                .Publish();

            PersonalLists =
                onlineLists.Where(vm => !vm.Model.IsPublicList)
                .CreateCollection();

            PublicLists =
                onlineLists.Where(vm => vm.Model.IsPublicList)
                .CreateCollection();

            onlineLists.Connect();
            localLists.Connect();

            Select = new ReactiveCommand<TaxonListVM>(vm => !vm.IsSelected && !vm.IsDownloading);
            Select.Subscribe(taxonlist => {
                foreach (var list in LocalLists) {
                    if (list.Model.TaxonomicGroup == taxonlist.Model.TaxonomicGroup)
                        list.Model.IsSelected = false;
                }

                Taxa.selectTaxonList(taxonlist.Model);
            });

            Download = new ReactiveCommand<TaxonListVM>(vm => !vm.IsDownloading);
            Download
                .CheckConnectivity(Connectivity, Notification)
                .Subscribe(taxonlist => {
                    if (Taxa.getTaxonTableFreeCount() > 0) {
                        CurrentPivot = Pivot.Local;
                        taxonlist.IsDownloading = true;

                        makeListLocal(taxonlist);

                        DownloadTaxonList(taxonlist)
                            .DisplayProgress(Notification, DiversityResources.TaxonManagement_State_DownloadingList)
                            .ObserveOnDispatcher()
                            .ShowServiceErrorNotifications(Notification)
                            .Subscribe(_ => {
                            	//Download Succeeded
                                taxonlist.IsDownloading = false;

                                if (Select.CanExecute(taxonlist))
                                    Select.Execute(taxonlist);
                            },
                                _ => //Download Failed
                                {
                                    taxonlist.IsDownloading = false;
                                    removeLocalList(taxonlist);
                                },
                                () => 
                                {

                                });
                    }
                });

            Delete = new ReactiveCommand<TaxonListVM>(vm => !vm.IsDownloading);
//.........这里部分代码省略.........
开发者ID:rollingthunder,项目名称:DiversityMobile,代码行数:101,代码来源:TaxonManagementVM.cs


注:本文中的IReactiveCommand.SelectMany方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。