private void SetupWizard(WizardControllerViewModel viewModel)
{
if (viewModel == null)
{
throw new ArgumentNullException(nameof(viewModel));
}
if (_currentViewModel != null)
{
DisconnectCurrentModel();
}
ConnectViewModel(viewModel);
}
void ConnectViewModel(WizardControllerViewModel viewModel)
{
if (viewModel == null)
{
throw new ArgumentNullException(nameof(viewModel));
}
_currentViewModel = viewModel;
_currentViewModel.StartWizard();
foreach (var pageViewModel in viewModel.PageModels)
{
var pageView = _viewFactory.CreatePage(pageViewModel);
Children.Add(pageView);
}
_currentViewModel.Current.ObserveOn(Scheduler.UiScheduler).Subscribe((vm) =>
{
var viewIndex = _currentViewModel.GetPageIndex(vm);
var view = Children[viewIndex];
CurrentPage = view;
});
}