42 lines
1.2 KiB
C#
42 lines
1.2 KiB
C#
using System;
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using System.Diagnostics.CodeAnalysis;
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using Avalonia.Controls;
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using Nebula.Launcher.ViewModels;
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using Nebula.Shared;
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namespace Nebula.Launcher.Services;
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[ServiceRegister, ConstructGenerator]
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public sealed partial class ViewHelperService
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{
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[GenerateProperty] private IServiceProvider ServiceProvider { get; } = default!;
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public bool TryGetViewModel(Type type, [NotNullWhen(true)] out ViewModelBase? viewModelBase)
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{
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viewModelBase = null;
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var vm = Design.IsDesignMode
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? Activator.CreateInstance(type)
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: ServiceProvider.GetService(type);
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if (vm is not ViewModelBase vmb) return false;
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viewModelBase = vmb;
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return true;
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}
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public bool TryGetViewModel<T>([NotNullWhen(true)] out T? viewModelBase) where T : ViewModelBase
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{
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var success = TryGetViewModel(typeof(T), out var vmb);
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viewModelBase = (T?)vmb;
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return success;
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}
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public T GetViewModel<T>() where T : ViewModelBase
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{
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TryGetViewModel<T>(out var viewModelBase);
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return viewModelBase!;
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}
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private void Initialise(){}
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private void InitialiseInDesignMode(){}
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} |