Let the sources of your own documents open at the page they were found on (#974)

app/MindWork AI Studio/Chat/ContentBlockComponent.razor

@@ -48,7 +48,7 @@
                 {
                     <MudTooltip Text="@T("Number of sources")" Placement="Placement.Bottom">
                         <MudBadge Content="@this.Content.Sources.Count" Color="Color.Primary" Overlap="true" BadgeClass="sources-card-header">
-                            <MudIconButton Icon="@Icons.Material.Filled.Link"/>
+                            <MudIconButton Icon="@Icons.Material.Filled.Link" Disabled="@(!this.HasSourcesToShow)" OnClick="@this.ShowSources"/>
                         </MudBadge>
                     </MudTooltip>
                 }
@@ -223,7 +223,7 @@
                                 }
                                 @if (textContent.Sources.Count > 0)
                                 {
-                                    <MudMarkdown Value="@textContent.Sources.ToMarkdown()" Props="Markdown.DefaultConfig" Styling="@this.MarkdownStyling" MarkdownPipeline="Markdown.SAFE_MARKDOWN_PIPELINE" />
+                                    <SourcesList @ref="this.sourcesList" Sources="@textContent.Sources"/>
                                 }
                             </div>
                         }

app/MindWork AI Studio/Chat/ContentBlockComponent.razor.cs

@@ -123,6 +123,7 @@ public partial class ContentBlockComponent : MSGComponentBase
     private IReadOnlyList<MessageTable> cachedMessageTables = [];
     private char csvSeparator = ',';
     private ElementReference mathContentContainer;
+    private SourcesList? sourcesList;
     private string lastMathRenderSignature = string.Empty;
     private bool hasActiveMathContainer;
     private bool isDisposed;
@@ -815,6 +816,25 @@ public partial class ContentBlockComponent : MSGComponentBase
         this.Content.FileAttachments = [.. result];
     }
 
+    /// <summary>
+    /// Whether the sources of this block stand below the answer, where the counter can take the reader.
+    /// </summary>
+    /// <remarks>
+    /// The same condition the block itself renders the list under. While an answer is still coming
+    /// in, its sources may already be known, but there is nothing on the page yet to scroll to --
+    /// so the counter says it cannot do anything rather than doing nothing when clicked.
+    /// </remarks>
+    private bool HasSourcesToShow => this.Content is { InitialRemoteWait: false, IsStreaming: false, Sources.Count: > 0 };
+
+    /// <summary>
+    /// Takes the reader from the source counter down to the sources themselves.
+    /// </summary>
+    private async Task ShowSources()
+    {
+        if (this.sourcesList is not null)
+            await this.sourcesList.ScrollIntoViewAsync();
+    }
+
     protected override async ValueTask DisposeResourcesAsync()
     {
         if (this.isDisposed)

app/MindWork AI Studio/Chat/IContentExtensions.cs

@@ -55,8 +55,11 @@ public static class IContentExtensions
     /// </remarks>
     /// <param name="content">The content to read.</param>
     /// <param name="markdown">The Markdown text including its sources, or an empty string when there is none.</param>
+    /// <param name="keepPageAnchors">Whether a link into a local file may name its page. Only a
+    /// format whose reader stumbles over such a link says no here; the clipboard and every text
+    /// format keep the page.</param>
     /// <returns>True, when this content carries Markdown text.</returns>
-    public static bool TryGetExportMarkdown(this IContent content, out string markdown)
+    public static bool TryGetExportMarkdown(this IContent content, out string markdown, bool keepPageAnchors = true)
     {
         if (content is not ContentText text)
         {
@@ -65,7 +68,7 @@ public static class IContentExtensions
         }
 
         var answer = text.Text.Trim();
-        var sources = text.Sources.ToExportMarkdown();
+        var sources = text.Sources.ToExportMarkdown(keepPageAnchors);
         if (sources.Length == 0)
         {
             markdown = answer;