protected IEnumerable <WNavigationViewItem> GetNavigationViewItems(MauiNavigationView navigationView)
{
if (navigationView.MenuItems?.Count > 0)
{
foreach (var menuItem in navigationView.MenuItems)
{
if (menuItem is WNavigationViewItem item)
{
yield return(item);
}
}
}
else if (navigationView.MenuItemsSource != null && navigationView.TopNavMenuItemsHost != null)
{
var itemCount = navigationView.TopNavMenuItemsHost.ItemsSourceView.Count;
for (int i = 0; i < itemCount; i++)
{
UI.Xaml.UIElement uIElement = navigationView.TopNavMenuItemsHost.TryGetElement(i);
if (uIElement is WNavigationViewItem item)
{
yield return(item);
}
}
}
}
protected override FrameworkElement CreatePlatformElement()
{
var platformView = new MauiNavigationView()
{
PaneDisplayMode = NavigationViewPaneDisplayMode.Top,
IsBackButtonVisible = NavigationViewBackButtonVisible.Collapsed,
IsSettingsVisible = false,
IsPaneToggleButtonVisible = false,
MenuItemTemplate = (UI.Xaml.DataTemplate)WApp.Current.Resources["TabBarNavigationViewMenuItem"],
MenuItemsSource = _mainLevelTabs
};
_mauiNavigationView = platformView;
platformView.SetApplicationResource("NavigationViewMinimalHeaderMargin", null);
platformView.SetApplicationResource("NavigationViewHeaderMargin", null);
platformView.SetApplicationResource("NavigationViewMinimalContentGridBorderThickness", null);
return(platformView);
}
