UI for Pandoc integration (#393)

Co-authored-by: Thorsten Sommer

app/MindWork AI Studio/Components/CodeBlock.razor

@@ -0,0 +1,15 @@
+
+@if (!this.IsInline)
+{
+    @if (this.ParentTabs is null)
+    {
+        <MudPaper Class="code-block no-elevation" Style="@this.BlockPadding()">
+            <pre><code>@this.ChildContent</code></pre>
+        </MudPaper>
+    }
+}
+else
+{
+    <span class="inline-code-block"><kbd>@this.ChildContent</kbd></span>
+}
+

app/MindWork AI Studio/Components/CodeBlock.razor.cs

@@ -0,0 +1,40 @@
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Rendering;
+
+namespace AIStudio.Components;
+
+public partial class CodeBlock : ComponentBase
+{
+    [Parameter]
+    public RenderFragment? ChildContent { get; set; }
+    
+    [Parameter] 
+    public string? Title { get; set; } = string.Empty;
+    
+    [Parameter] 
+    public bool IsInline { get; set; }
+    
+    [CascadingParameter]
+    public CodeTabs? ParentTabs { get; set; }
+
+    protected override void OnInitialized()
+    {
+        if (this.ParentTabs is not null && this.Title is not null)
+        {
+            void BlockSelf(RenderTreeBuilder builder)
+            {
+                builder.OpenComponent<CodeBlock>(0);
+                builder.AddAttribute(1, "Title", this.Title);
+                builder.AddAttribute(2, "ChildContent", this.ChildContent);
+                builder.CloseComponent();
+            }
+
+            this.ParentTabs.RegisterBlock(this.Title, BlockSelf);
+        }
+    }
+
+    private string BlockPadding()
+    {
+        return this.ParentTabs is null ? "padding: 16px !important;" : "padding: 8px !important";
+    }
+}

app/MindWork AI Studio/Components/CodeTabs.razor

@@ -0,0 +1,11 @@
+<MudTabs @bind-ActivePanelIndex="selectedIndex" PanelClass="code-block" MinimumTabWidth="30px" Class="mt-2">
+    @foreach (var block in blocks)
+    {
+        <MudTabPanel Text="@block.Title">
+            @block.Fragment
+        </MudTabPanel>
+    }
+</MudTabs>
+<CascadingValue Value="this">
+    @this.ChildContent
+</CascadingValue>

app/MindWork AI Studio/Components/CodeTabs.razor.cs

@@ -0,0 +1,30 @@
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Components;
+
+public partial class CodeTabs : ComponentBase
+{
+    [Parameter] 
+    public RenderFragment? ChildContent { get; set; }
+    
+    private readonly List<CodeTabItem> blocks = new();
+    private int selectedIndex;
+
+    internal void RegisterBlock(string title, RenderFragment fragment)
+    {
+        this.blocks.Add(new CodeTabItem
+        {
+            Title = title,
+            Fragment = fragment,
+        });
+        
+        this.StateHasChanged();
+    }
+
+    private class CodeTabItem
+    {
+        public string Title { get; init; } = string.Empty;
+        
+        public RenderFragment Fragment { get; init; } = null!;
+    }
+}