public MainWindowVm()
{
NetworkVm = new NetworkViewModel(OperationController);
// Undo Command
UndoCommand =
OperationController
.StackChangedAsObservable()
.Select(x => OperationController.CanUndo)
.ToReactiveCommand();
UndoCommand.Subscribe(OperationController.Undo);
//! Redo Command
RedoCommand =
OperationController
.StackChangedAsObservable()
.Select(x => OperationController.CanRedo)
.ToReactiveCommand();
RedoCommand.Subscribe(OperationController.Redo);
//! Undo / Redoが行われたときに Undo / Redo ViewModelを生成する
OperationController.StackChangedAsObservable().Subscribe(_ =>
{
Operations = OperationController
.Operations.Concat(OperationController.RollForwardTargets)
.Select(x => new OperationVm(x, OperationController))
.ToObservableCollection();
RaisePropertyChanged(nameof(Operations));
}).AddTo(CompositeDisposable);
SelectedOperation = new ReactiveProperty <OperationVm>().AddTo(CompositeDisposable);
SelectedOperation
.Where(x => x != null)
.Subscribe(x => x.GotoCommand?.Execute(null))
.AddTo(CompositeDisposable);
RefreshViewModelCommand = new ReactiveCommand().AddTo(CompositeDisposable);
RefreshViewModelCommand.Subscribe(
() =>
{
OperationController.Flush();
NetworkVm = new NetworkViewModel(OperationController);
RaisePropertyChanged(nameof(NetworkVm));
}).AddTo(CompositeDisposable);
}
