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22 lines
965 B
22 lines
965 B
using Microsoft.Extensions.DependencyInjection;
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namespace Common.StartupHelpers;
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public static class ServiceExtensions
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{
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/// <summary>
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/// Adds a factory for subcontrols to be created.
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/// For example a UserControl can be instanciated using this Service.
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/// </summary>
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/// <typeparam name="TSubControl">type of the subcontrol</typeparam>
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/// <param name="services">existing service collection</param>
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public static void AddSubControlFactory<TSubControl>(this IServiceCollection services) where TSubControl : class
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{
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// add to DI: the subcontrol itself
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services.AddTransient<TSubControl>();
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// add to DI: Func of that subcontrol, that will create the subcontrol
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services.AddSingleton<Func<TSubControl>>(x => () => x.GetService<TSubControl>()!);
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// add to DI: Factory for the subcontrol
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services.AddSingleton<IAbstractFactory<TSubControl>, AbstractFactory<TSubControl>>();
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}
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}
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