feat: general improvements and minor bugs

Author: ReneSchwarzer

src/WebExpress.WebCore/WebAttribute/WebIconAttribute.cs

@@ -8,7 +8,7 @@ namespace WebExpress.WebCore.WebAttribute
     /// </summary>
     /// <typeparam name="TIcon">The type of the icon, which must implement the <see cref="IIcon"/> interface.</typeparam>
     [AttributeUsage(AttributeTargets.Class, AllowMultiple = false)]
-    public class WebIconAttribute<TIcon> : Attribute, ISettingPageAttribute, ISettingCategoryAttribute, ISettingGroupAttribute
+    public class WebIconAttribute<TIcon> : Attribute, ISettingPageAttribute, IPageAttribute, ISettingCategoryAttribute, ISettingGroupAttribute
         where TIcon : IIcon
     {
         /// <summary>

src/WebExpress.WebCore/WebComponent/ComponentActivator.cs

@@ -3,6 +3,7 @@
 using System.Reflection;
 using WebExpress.WebCore.WebApplication;
 using WebExpress.WebCore.WebMessage;
+using WebExpress.WebCore.WebPage;
 using WebExpress.WebCore.WebStatusPage;
 
 namespace WebExpress.WebCore.WebComponent
@@ -261,6 +262,10 @@ public static TComponent CreateInstance<TComponent, TContext>(Type componentType
                                 (
                                     parameter.ParameterType == typeof(IApplicationContext) &&
                                     x.GetType().GetInterfaces().Any(x => x == typeof(IApplicationContext))
+                                ) ||
+                                (
+                                    parameter.ParameterType == typeof(IPageContext) &&
+                                    x.GetType().GetInterfaces().Any(x => x == typeof(IPageContext))
                                 )
                             )
                             .FirstOrDefault() ?? null

src/WebExpress.WebCore/WebFragment/FragmentManager.cs

@@ -414,6 +414,28 @@ public IEnumerable<TFragment> GetFragments<TFragment, TSection>(IApplicationCont
             }
         }
 
+        /// <summary>
+        /// Returns all fragments that belong to a given page.
+        /// </summary>
+        /// <typeparam name="TFragment">The fragment type.</typeparam>
+        /// <typeparam name="TSection">The section where the fragment is embedded.</typeparam>
+        /// <param name="pageContext">The page context.</param>
+        /// <returns>An enumeration of the filtered fragments.</returns>
+        public IEnumerable<TFragment> GetFragments<TFragment, TSection>(IPageContext pageContext)
+            where TFragment : IFragmentBase
+            where TSection : ISection
+        {
+            var applicationContext = pageContext?.ApplicationContext;
+            var scopes = pageContext?.Scopes ?? [typeof(IScope)];
+
+            var effectiveScopes = (scopes?.Any() == true) ? scopes : [typeof(IScope)];
+
+            foreach (var item in _dictionary.GetFragmentItems(applicationContext, typeof(TFragment), typeof(TSection), effectiveScopes))
+            {
+                yield return item.CreateInstance<TFragment>(pageContext);
+            }
+        }
+
         /// <summary>
         /// Returns all fragment contexts that belong to a given application.
         /// </summary>

src/WebExpress.WebCore/WebFragment/IFragmentManager.cs

@@ -1,5 +1,7 @@
 using System;
+using System.Collections;
 using System.Collections.Generic;
+using System.Linq;
 using WebExpress.WebCore.WebApplication;
 using WebExpress.WebCore.WebComponent;
 using WebExpress.WebCore.WebHtml;
@@ -92,6 +94,17 @@ public IEnumerable<TFragment> GetFragments<TFragment, TSection>(IApplicationCont
             where TFragment : IFragmentBase
             where TSection : ISection;
 
+        /// <summary>
+        /// Returns all fragments that belong to a given page.
+        /// </summary>
+        /// <typeparam name="TFragment">The fragment type.</typeparam>
+        /// <typeparam name="TSection">The section where the fragment is embedded.</typeparam>
+        /// <param name="pageContext">The page context.</param>
+        /// <returns>An enumeration of the filtered fragments.</returns>
+        IEnumerable<TFragment> GetFragments<TFragment, TSection>(IPageContext pageContext)
+            where TFragment : IFragmentBase
+            where TSection : ISection;
+
         /// <summary>
         /// Returns all fragment contexts that belong to a given application.
         /// </summary>