public Task Navigate <TPage, TParameter>(TParameter parameter, PagePresentationEnum presentationEnum = PagePresentationEnum.AddToStackNavigation) where TPage : IPage <IViewModel>
{
var page = AppContainer.Container.Resolve <TPage>();
if (page.ViewModel is IParameterViewModel <TParameter> parameterViewModel)
{
parameterViewModel.SetParameter(parameter);
}
return(Navigate(page, presentationEnum));
}
private Task Navigate(IPage <IViewModel> page, PagePresentationEnum presentation)
{
var xamFormsPage = page as Page;
if (xamFormsPage == null)
{
throw new Exception($"page '{page}' is not of type {nameof(Page)}");
}
switch (presentation)
{
case PagePresentationEnum.AddToStackNavigation:
return(NavigateOnCurrentNavigationPage(xamFormsPage));
case PagePresentationEnum.NewStackNavigation:
return(NavigateNewNavigationPage(xamFormsPage));
case PagePresentationEnum.NoStackNavigation:
return(NavigateNonNavigationPage(xamFormsPage));
default:
throw new Exception($"Unsupported presentation type '{presentation}' not implemented in {nameof(NavigationService)}");
}
}
public Task Navigate <TPage>(PagePresentationEnum pagePresentation = PagePresentationEnum.AddToStackNavigation) where TPage : IPage <IViewModel>
{
var page = AppContainer.Container.Resolve <TPage>();
return(Navigate(page, pagePresentation));
}
