/// <summary>
/// Navigate from the MenuPage
/// </summary>
/// <param name="id">The page to navigate to</param>
/// <returns></returns>
public async Task NavigateFromMenu(MenuItemType id)
{
// if the page has not already been created, create one and add to the MenuPages list
if (!MenuPages.ContainsKey(id))
{
switch (id)
{
case MenuItemType.SevenDayView:
MenuPages.Add(id, new NavigationPage(new SevenDayPage(ViewModel.UserData)));
break;
case MenuItemType.WeeklyView:
MenuPages.Add(id, new NavigationPage(new WeeklyPage(ViewModel.UserData)));
break;
case MenuItemType.MonthlyView:
MenuPages.Add(id, new NavigationPage(new MonthlyPage(ViewModel.UserData)));
break;
case MenuItemType.DishDB:
MenuPages.Add(id, new NavigationPage(new DishDBPage(ViewModel.UserData)));
break;
case MenuItemType.DishCategories:
MenuPages.Add(id, new NavigationPage(new DishCategoriesPage(ViewModel.UserData)));
break;
case MenuItemType.About:
MenuPages.Add(id, new NavigationPage(new AboutPage()));
break;
}
}
// change the Detail of the MasterDetailPage to the chosen Page
NavigationPage newPage = MenuPages[id];
if (newPage != null && Detail != newPage)
{
// get the ViewModel of the chosen page and fill the DisplayDays upon entering
BaseViewModel?viewModel = null;
switch (id)
{
case MenuItemType.SevenDayView:
viewModel = (SevenDayViewModel)newPage.Navigation.NavigationStack[0].BindingContext;
break;
case MenuItemType.WeeklyView:
viewModel = (WeeklyViewModel)newPage.Navigation.NavigationStack[0].BindingContext;
break;
case MenuItemType.MonthlyView:
viewModel = (MonthlyViewModel)newPage.Navigation.NavigationStack[0].BindingContext;
break;
}
viewModel?.FillDisplayDays();
Detail = newPage;
if (Device.RuntimePlatform == Device.Android)
{
await Task.Delay(100);
}
}
IsPresented = false; // close the menu
}
