public MainPageView()
{
InitializeComponent();
flyout.ListView.SelectionChanged += ListView_SelectionChanged;
FlyoutLayoutBehavior = FlyoutLayoutBehavior.SplitOnLandscape;
ViewModel = App.ServiceProvider.GetRequiredService <MainPageViewModel>();
this.BindingContext = ViewModel;
flyout.BindingContext = ViewModel;
FlowSettingsChanged(Descriptors.GetFlowSettings <EditFormSettingsDescriptor>("students"));
}
private void ListView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.CurrentSelection.Count != 1)
{
return;
}
if (!(e.CurrentSelection.First() is NavigationMenuItemDescriptor item))
{
return;
}
if (item.Active)
{
return;
}
DisposeCurrentPageBindingContext(Detail);
FlowSettingsChanged(Descriptors.GetFlowSettings <EditFormSettingsDescriptor>(item.InitialModule));
//Page page = null;
//if (item.InitialModule != "students" && item.InitialModule != "courses")
// return;
//if (item.TargetType == typeof(EditFormViewCS))
//{
// //page = new EditFormViewCS(CreateEditFormViewModel(Descriptors.ScreenSettings));
//}
//else if(item.TargetType == typeof(EditFormView))
//{
// //page = new EditFormView(CreateEditFormViewModel(Descriptors.ScreenSettings));
//}
//else
//{
// page = (Page)Activator.CreateInstance(item.TargetType);
//}
//page = new EditFormViewCS(CreateEditFormViewModel(Descriptors.ScreenSettings));
//page.Title = item.Text;
//Xamarin.Essentials.MainThread.BeginInvokeOnMainThread
//(
// () => Detail = GetNavigationPage(page)
//);
//if (IsPortrait)
// IsPresented = false;
//flyout.ListView.SelectedItem = null;
void DisposeCurrentPageBindingContext(Page detail)
{
if (detail is not NavigationPage navigationPage)
{
return;
}
if (navigationPage?.RootPage.BindingContext is not IDisposable disposable)
{
return;
}
disposable.Dispose();
}
}