private bool Navigate(IPageViewModel pageViewModel)
{
object page;
if (pages.TryGetValue(pageViewModel, out page))
{
CurrentPage.Navigation.PushAsync((Page)page);
return(true);
}
string viewModel = pageViewModel.GetType().Name;
string pageName = viewModel.Substring(0, viewModel.IndexOf("ViewModel", StringComparison.Ordinal));
var typeInfo = GetType().GetTypeInfo().Assembly.DefinedTypes
.SingleOrDefault(a => a.Name.Equals(pageName));
var type = typeInfo.AsType();
if (type == null)
{
return(false);
}
Page src = (Page)Activator.CreateInstance(type, pageViewModel);
pages.Add(pageViewModel, src);
CurrentPage.Navigation.PushAsync(src);
CurrentPage = src;
return(true);
}
public bool Navigate(IPageViewModel pageViewModel)
{
string viewModel = pageViewModel.GetType().Name;
string pageName = viewModel.Substring(0, viewModel.IndexOf("ViewModel", StringComparison.Ordinal));
var type = Assembly.GetExecutingAssembly().GetTypes().SingleOrDefault(a => a.Name.Equals(pageName));
if (type == null) return false;
var src = Activator.CreateInstance(type, pageViewModel);
return frame.Navigate(src);
}
private IView LocateNavigationFor(IPageViewModel viewModel)
{
var view = _viewLocator.ResolveView(viewModel, "NavigationView");
var navigationPage = view as IView;
if (navigationPage is null)
{
Debug.WriteLine($"No navigation view could be located for type '{viewModel.GetType().FullName}', using the default navigation page.");
navigationPage = new NavigationView(_mainScheduler, _backgroundScheduler, _viewLocator);
}
return(navigationPage);
}
// Изменить текущую страницу
private void ChangeViewModel(IPageViewModel viewModel)
{
if (!PageViewModels.Contains(viewModel))
{
PageViewModels.Add(viewModel);
}
if (viewModel.GetType() == typeof(SignInPageViewModel) ||
viewModel.GetType() == typeof(SignOnPageViewModel) ||
viewModel.GetType() == typeof(ConfirmEmailViewModel) ||
viewModel.GetType() == typeof(RefreshPasswordViewModel)
)
{
IsHeaderVisible = Visibility.Hidden;
}
else
{
IsHeaderVisible = Visibility.Visible;
}
CurrentPageViewModel = PageViewModels.FirstOrDefault(vm => vm == viewModel);
}
private bool Navigate(IPageViewModel pageViewModel)
{
object page;
if (pages.TryGetValue(pageViewModel, out page))
{
return(frame.Navigate(page));
}
string viewModel = pageViewModel.GetType().Name;
string pageName = viewModel.Substring(0, viewModel.IndexOf("ViewModel", StringComparison.Ordinal));
var type = Assembly.GetExecutingAssembly().GetTypes().SingleOrDefault(a => a.Name.Equals(pageName));
if (type == null)
{
return(false);
}
var src = Activator.CreateInstance(type, pageViewModel);
pages.Add(pageViewModel, src);
return(frame.Navigate(src));
}