Implemented service scope support
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Markus Ewald
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03954e772a
commit
573b7ab93d
28
Documents/images/platforms-windows-badge.svg
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<title>platforms: linux and windows</title>
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<text x="1100" y="140" transform="scale(.1)" fill="#fff" textLength="470">windows</text>
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After Width: | Height: | Size: 2.6 KiB |
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<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="189" height="20" role="img" aria-label="status: mature and stable">
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<title>status: early planning phase</title>
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<text aria-hidden="true" x="225" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="330">status</text>
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<text x="225" y="140" transform="scale(.1)" fill="#fff" textLength="330">status</text>
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<text aria-hidden="true" x="1245" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="1150">mature and stable</text>
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<text x="1245" y="140" transform="scale(.1)" fill="#fff" textLength="1150">mature and stable</text>
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After Width: | Height: | Size: 1.6 KiB |
@ -1,10 +1,4 @@
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- **Status:** Stable and mature. Several projects are using this library,
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and it has received extensive testing on Linux and Windows.
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- **Platforms:** Cross-platform, developed on Linux but also tested and
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working without any known issues on Windows.
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Nuclex.Windows.Forms.DependencyInjection
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Nuclex.Windows.Forms.DependencyInjection  
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========================================
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Nuclex.Windows.Forms is a standalone, lightweight MVVM library that lets you "display"
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@ -29,43 +29,90 @@ using Nuclex.Windows.Forms.AutoBinding;
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namespace Nuclex.Windows.Forms.DependencyInjection {
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/// <summary>
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/// <summary>
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/// Window manager that is using Microsoft's dependency injection interfaces
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/// </summary>
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#if NET6_0_OR_GREATER
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[SupportedOSPlatform("windows")]
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#endif
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public class DependencyInjectedWindowManager : WindowManager {
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public class DependencyInjectedWindowManager : WindowManager {
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/// <summary>Initializes a new window manager</summary>
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/// <param name="serviceProvider">
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/// Dependency injector the window manager uses to construct view models
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/// </param>
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/// <param name="autoBinder">
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/// View model binder that will be used to bind all created views to their models
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/// </param>
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public DependencyInjectedWindowManager(
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#region class WindowScope
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/// <summary>Manages a window-specific service scope</summary>
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private class WindowScope : IWindowScope, IDisposable {
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/// <summary>Initializes a new service scope for the window</summary>
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/// <param name="serviceProvider">
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/// Service provider in which to create a scope
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/// </param>
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public WindowScope(IServiceProvider serviceProvider) {
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this.serviceScope = serviceProvider.CreateScope();
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}
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/// <summary>Creates an instance of the specified type in the scope</summary>
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/// <param name="type">Type an instance will be created of</param>
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/// <returns>The created instance</returns>
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/// <remarks>
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/// Use this to wire up your dependency injection container. By default,
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/// the Activator class will be used to create instances which only works
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/// if all of your view models are concrete classes.
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/// </remarks>
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public object CreateInstance(Type type) {
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return this.serviceScope.ServiceProvider.GetRequiredService(type);
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}
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/// <summary>Immediately destroys all services owned by the scope</summary>
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public void Dispose() {
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if(this.serviceScope != null) {
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this.serviceScope.Dispose();
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this.serviceScope = null;
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}
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}
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/// <summary>Service scope that will be used to create instances</summary>
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private IServiceScope serviceScope;
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}
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#endregion // class WindowScope
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/// <summary>Initializes a new window manager</summary>
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/// <param name="serviceProvider">
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/// Dependency injector the window manager uses to construct view models
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/// </param>
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/// <param name="autoBinder">
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/// View model binder that will be used to bind all created views to their models
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/// </param>
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public DependencyInjectedWindowManager(
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IServiceProvider serviceProvider, IAutoBinder autoBinder = null
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) :
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base(autoBinder) {
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this.serviceProvider = serviceProvider;
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}
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base(autoBinder) {
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this.serviceProvider = serviceProvider;
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}
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/// <summary>Creates an instance of the specified type</summary>
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/// <param name="type">Type an instance will be created of</param>
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/// <returns>The created instance</returns>
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/// <remarks>
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/// Use this to wire up your dependency injection container. By default,
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/// the Activator class will be used to create instances which only works
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/// if all of your view models are concrete classes.
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/// </remarks>
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protected override object CreateInstance(Type type) {
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return this.serviceProvider.GetRequiredService(type);
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}
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/// <summary>Creates an instance of the specified type</summary>
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/// <param name="type">Type an instance will be created of</param>
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/// <returns>The created instance</returns>
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/// <remarks>
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/// Use this to wire up your dependency injection container. By default,
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/// the Activator class will be used to create instances which only works
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/// if all of your view models are concrete classes.
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/// </remarks>
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protected override object CreateInstance(Type type) {
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return this.serviceProvider.GetRequiredService(type);
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}
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/// <summary>The service provider used to create new instances</summary>
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private readonly IServiceProvider serviceProvider;
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/// <summary>Creates an instance of the specified type in a new scope</summary>
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/// <param name="type">Type an instance will be created of</param>
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/// <returns>The created instance and the scope in which it lives</returns>
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protected override IWindowScope CreateWindowScope() {
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return new WindowScope(this.serviceProvider);
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}
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}
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/// <summary>The service provider used to create new instances</summary>
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private readonly IServiceProvider serviceProvider;
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}
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} // namespace Nuclex.Windows.Forms.DependencyInjection
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