advanced userinterface design

2026-04-01 22:20:49 +08:00
parent 24498c2717
commit aa7ece4ed0
42 changed files with 2876 additions and 463 deletions
@@ -0,0 +1,63 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace StgSharp.UserInterface
+{
+    public abstract class StateHost
+    {
+
+        protected StateHost(
+                  FrontCommandHost frontCommandHost,
+                  AppState appState,
+                  ServiceManager serviceManager
+        )
+        {
+            FrontCommandHost = frontCommandHost ??
+                throw new ArgumentNullException(nameof(frontCommandHost));
+            AppState = appState ?? throw new ArgumentNullException(nameof(appState));
+            ServiceManager = serviceManager ??
+                throw new ArgumentNullException(nameof(serviceManager));
+
+            FrontCommandHost.Attach(this);
+            ServiceManager.Attach(this);
+        }
+
+        public AppState AppState { get; }
+
+        public FrontCommandHost FrontCommandHost { get; }
+
+        public ServiceManager ServiceManager { get; }
+
+        public virtual async Task<CommandResult> PostAsync(
+                                                 ViewHost source,
+                                                 StateChangeCommand command,
+                                                 CancellationToken cancellationToken = default
+        )
+        {
+            ArgumentNullException.ThrowIfNull(source);
+            ArgumentNullException.ThrowIfNull(command);
+
+            CommandResult result = await FrontCommandHost.AcceptAsync(source, command, cancellationToken)
+                                                         .ConfigureAwait(false);
+            await source.ReceiveCommandResultAsync(result, cancellationToken).ConfigureAwait(false);
+            return result;
+        }
+
+        public virtual async Task<CommandResult> PostAsync(
+                                                 ViewHost source,
+                                                 ExecuteCommand command,
+                                                 CancellationToken cancellationToken = default
+        )
+        {
+            ArgumentNullException.ThrowIfNull(source);
+            ArgumentNullException.ThrowIfNull(command);
+
+            CommandResult result = await FrontCommandHost.AcceptAsync(source, command, cancellationToken)
+                                                         .ConfigureAwait(false);
+            await source.ReceiveCommandResultAsync(result, cancellationToken).ConfigureAwait(false);
+            return result;
+        }
+
+    }
+}