66 lines
2.4 KiB
C#
66 lines
2.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Reflection;
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Controls.ApplicationLifetimes;
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using Avalonia.Threading;
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using Microsoft.Extensions.DependencyInjection;
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using Nebula.Launcher.Views;
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namespace Nebula.Launcher;
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public static class ServiceCollectionExtensions
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{
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public static void AddAvaloniaServices(this IServiceCollection services)
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{
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services.AddSingleton<IDispatcher>(_ => Dispatcher.UIThread);
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services.AddSingleton(_ =>
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Application.Current?.ApplicationLifetime ??
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throw new InvalidOperationException("No application lifetime is set"));
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services.AddSingleton(sp =>
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sp.GetRequiredService<IApplicationLifetime>() switch
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{
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IClassicDesktopStyleApplicationLifetime desktop => desktop.MainWindow ??
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throw new InvalidOperationException(
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"No main window set"),
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ISingleViewApplicationLifetime singleViewPlatform =>
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TopLevel.GetTopLevel(singleViewPlatform.MainView) ??
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throw new InvalidOperationException("Could not find top level element for single view"),
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_ => throw new InvalidOperationException($"Could not find {nameof(TopLevel)} element")
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}
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);
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services.AddSingleton(sp => sp.GetRequiredService<TopLevel>().StorageProvider);
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}
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public static void AddViews(this IServiceCollection services)
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{
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services.AddTransient<MainWindow>();
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foreach (var (viewModel, view, isSingleton) in GetTypesWithHelpAttribute(Assembly.GetExecutingAssembly()))
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{
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if (isSingleton)
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{
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services.AddSingleton(viewModel);
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if (view != null) services.AddSingleton(view);
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}
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else
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{
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services.AddTransient(viewModel);
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if (view != null) services.AddTransient(view);
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}
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}
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}
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private static IEnumerable<(Type, Type?, bool)> GetTypesWithHelpAttribute(Assembly assembly)
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{
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foreach (var type in assembly.GetTypes())
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{
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var attr = type.GetCustomAttribute<ViewModelRegisterAttribute>();
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if (attr is not null) yield return (type, attr.Type, attr.IsSingleton);
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}
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}
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} |