ChronoFlow/ChronoFlow.View/MainWindow.axaml.cs

using Avalonia.Controls;
using Avalonia.Interactivity;
using ChronoFlow.Model;

namespace ChronoFlow.View;

public partial class MainWindow : Window
{
    private readonly ViewManager _viewManager;
    private readonly User _loggedInUser;

    public MainWindow(User user)
    {
        InitializeComponent();

        _loggedInUser = user;

        // ✅ Workaround: Lokale Kopie für Lambda-Nutzung im Register
        var currentUser = _loggedInUser;

        _viewManager = new ViewManager(ContentArea);

        // ✅ Register-Aufruf mit stabiler local variable
        _viewManager.Register("Zeiterfassung", () => new ZeiterfassungView(currentUser));

        // Begrüßungsanzeige
        ContentArea.Content = new TextBlock
        {
            Text = $"Willkommen bei ChronoFlow, {currentUser.Username}!",
            FontSize = 24,
            HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Center,
            VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center
        };

        // Fenstertitel dynamisch setzen
        this.Title = $"ChronoFlow - Willkommen {currentUser.Username} ({currentUser.Role})";
    }

    private void PaneOpenClose_Click(object sender, RoutedEventArgs e)
    {
        PaneView.IsPaneOpen = !PaneView.IsPaneOpen;
    }

    private void Zeiterfassung_Click(object? sender, RoutedEventArgs e)
    {
        _viewManager.Show("Zeiterfassung");
    }
}