MyContractsPage.xaml.cs

using NeuroAccessMaui.Services;
using NeuroAccessMaui.UI.Pages.Contracts.MyContracts.ObjectModels;
 
namespace NeuroAccessMaui.UI.Pages.Contracts.MyContracts
{
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class MyContractsPage
    {
        public MyContractsPage()
        {
            MyContractsViewModel ViewModel = new(ServiceRef.UiService.PopLatestArgs<MyContractsNavigationArgs>());
            this.Title = ViewModel.Title;
            this.ContentPageModel = ViewModel;
 
            this.InitializeComponent();
        }
 
        private void ContractsSelectionChanged(object? Sender, SelectionChangedEventArgs e)
        {
            if (this.ContentPageModel is MyContractsViewModel MyContractsViewModel)
            {
                object SelectedItem = this.Contracts.SelectedItem;
 
                if (SelectedItem is HeaderModel Category)
                {
                    Category.Expanded = !Category.Expanded;
                    MyContractsViewModel.AddOrRemoveContracts(Category, Category.Expanded);
                }
                else if (SelectedItem is ContractModel Contract)
                {
                    MyContractsViewModel.ContractSelected(Contract.ContractId);
 
                    if (Contract.HasEvents)
                        ServiceRef.NotificationService.DeleteEvents(Contract.Events);
                }
                else if (SelectedItem is EventModel Event)
                    Event.Clicked();
 
                this.Contracts.SelectedItem = null;
            }
        }
    }
}