Added helper methods for resource binding

riganti · Aug 16, 2024 · f72d7fa · f72d7fa
1 parent 3607ad9
commit f72d7fa
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Showing 2 changed files with 24 additions and 2 deletions.
diff --git a/src/Framework/Framework/Binding/DotvvmBindingCacheHelper.cs b/src/Framework/Framework/Binding/DotvvmBindingCacheHelper.cs
@@ -60,6 +60,28 @@ public ValueBindingExpression<TResult> CreateValueBinding<TResult>(string code,
                 }));
         }
 
+        /// <summary> Compiles a new `{resource: ...code...}` binding which can be evaluated server-side. The result is cached. </summary>
+        public ResourceBindingExpression CreateResourceBinding(string code, DataContextStack dataContext, BindingParserOptions? parserOptions = null)
+        {
+            return CreateCachedBinding("ResourceBinding:" + code, new object?[] { dataContext, parserOptions }, () =>
+                new ResourceBindingExpression(compilationService, new object?[] {
+                    dataContext,
+                    new OriginalStringBindingProperty(code),
+                    parserOptions
+                }));
+        }
+
+        /// <summary> Compiles a new `{resource: ...code...}` binding which can be evaluated server-side. The result is implicitly converted to <typeparamref name="TResult" />. The result is cached. </summary>
+        public ResourceBindingExpression<TResult> CreateResourceBinding<TResult>(string code, DataContextStack dataContext, BindingParserOptions? parserOptions = null)
+        {
+            return CreateCachedBinding($"ResourceBinding<{typeof(TResult).ToCode()}>:{code}", new object?[] { dataContext, parserOptions }, () =>
+                new ResourceBindingExpression<TResult>(compilationService, new object?[] {
+                    dataContext,
+                    new OriginalStringBindingProperty(code),
+                    parserOptions
+                }));
+        }
+
         /// <summary> Compiles a new `{command: ...code...}` binding which can be evaluated server-side and also client-side. The result is cached. </summary>
         public CommandBindingExpression CreateCommand(string code, DataContextStack dataContext, BindingParserOptions? parserOptions = null)
         {

diff --git a/src/Framework/Framework/Binding/Expressions/ResourceBindingExpression.cs b/src/Framework/Framework/Binding/Expressions/ResourceBindingExpression.cs
@@ -18,7 +18,7 @@ namespace DotVVM.Framework.Binding.Expressions
     [Options]
     public class ResourceBindingExpression : BindingExpression, IStaticValueBinding
     {
-        public ResourceBindingExpression(BindingCompilationService service, IEnumerable<object> properties) : base(service, properties) { }
+        public ResourceBindingExpression(BindingCompilationService service, IEnumerable<object?> properties) : base(service, properties) { }
 
         public BindingDelegate BindingDelegate => this.bindingDelegate.GetValueOrThrow(this);
 
@@ -34,7 +34,7 @@ public class OptionsAttribute : BindingCompilationOptionsAttribute
 
     public class ResourceBindingExpression<T> : ResourceBindingExpression, IStaticValueBinding<T>
     {
-        public ResourceBindingExpression(BindingCompilationService service, IEnumerable<object> properties) : base(service, properties) { }
+        public ResourceBindingExpression(BindingCompilationService service, IEnumerable<object?> properties) : base(service, properties) { }
 
         public new BindingDelegate<T> BindingDelegate => base.BindingDelegate.ToGeneric<T>();
     }