Projekt_SS25/Project_Periodensystem.View/AboutPage.axaml.cs

using System;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
using Avalonia.VisualTree;
using Project_Periodensystem.Model;

namespace Project_Periodensystem.View
{
    public partial class AboutPage : UserControl
    {
        public AboutPage()
        {
            InitializeComponent();
        }

        private void InitializeComponent()
        {
            AvaloniaXamlLoader.Load(this);
        }

        private void BackButton_Click(object? sender, RoutedEventArgs e)
        {
            if (this.Parent is ContentControl content && content.Parent is MainWindow mainWindow)
            {
                mainWindow.ShowLandingPage();
            }
        }

        private void ThemeButton_Click(object? sender, RoutedEventArgs e)
        {
            var nextTheme = MainWindow.CurrentTheme switch
            {
                AppTheme.Dark => AppTheme.Light,
                AppTheme.Light => AppTheme.Classic,
                _ => AppTheme.Dark
            };

            if (this.Parent is ContentControl content && content.Parent is MainWindow mainWindow)
            {
                mainWindow.UpdateTheme(nextTheme);
            }
        }
    }
}