IntuneManagement 4.0.0-beta1

2026-09-28 19:05:38 +02:00 · 2026-09-23 19:13:09 +10:00
commit 7869619510
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+# Render parsed Markdown into an Avalonia TextBlock.
+#
+# Mirror of UI/WPF/Extensions/MarkdownRenderWPF.ps1. The parse is shared via
+# Internal/MarkdownSimple.ps1 (R10); only the inline construction differs, so the
+# Avalonia types stay inside UI/Avalonia (R12).
+#
+# Translation notes vs the WPF version:
+#  - Inlines live in Avalonia.Controls.Documents, not System.Windows.Documents.
+#  - No Bold element; Run.FontWeight carries it, which is what WPF uses too.
+#  - Run has no text constructor overload, so Text is set as a property.
+#  - No Hyperlink inline. Links use the pattern this repo already uses for inline
+#    links in Welcome.axaml: a Button with Classes="link" (styled in
+#    Themes/Styles.axaml) wrapped in an InlineUIContainer.
+
+function Set-AvaloniaMarkdownText {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory)] $TextBlock,
+        [string]$Markdown
+    )
+
+    if (-not $TextBlock) { return }
+
+    if ($TextBlock.Inlines) { $TextBlock.Inlines.Clear() }
+    if ([string]::IsNullOrEmpty($Markdown)) { return }
+
+    $baseSize = if ($TextBlock.FontSize -gt 0) { [double]$TextBlock.FontSize } else { 12.0 }
+    $style     = Get-SimpleMarkdownStyle
+    $codeBrush = [Avalonia.Media.SolidColorBrush]::new([Avalonia.Media.Color]::Parse($style.CodeBackground))
+    $codeFont  = [Avalonia.Media.FontFamily]::new($style.CodeFontFamily)
+
+    foreach ($block in (ConvertFrom-SimpleMarkdown $Markdown)) {
+
+        if ($block.Kind -eq 'Blank') {
+            $TextBlock.Inlines.Add([Avalonia.Controls.Documents.LineBreak]::new())
+            continue
+        }
+
+        $lead = switch ($block.Kind) {
+            'ListItem' { (' ' * ($block.Indent * 4)) + $block.Marker + ' ' }
+            'Quote'    { $style.QuoteMarker }
+            default    { $null }
+        }
+        if ($lead) {
+            $leadRun = [Avalonia.Controls.Documents.Run]::new()
+            $leadRun.Text = $lead
+            $TextBlock.Inlines.Add($leadRun)
+        }
+
+        foreach ($inline in $block.Inlines) {
+            if ($inline.LineBreak) {
+                $TextBlock.Inlines.Add([Avalonia.Controls.Documents.LineBreak]::new())
+                if ($block.Kind -eq 'ListItem') {
+                    $pad = [Avalonia.Controls.Documents.Run]::new()
+                    $pad.Text = ' ' * (($block.Indent * 4) + $block.Marker.Length + 1)
+                    $TextBlock.Inlines.Add($pad)
+                }
+                continue
+            }
+
+            if ($inline.Url) {
+                # Captured by value into the handler: $inline is the loop variable
+                # and would otherwise be whatever the loop ended on by click time.
+                $linkUrl = [string]$inline.Url
+                $button = [Avalonia.Controls.Button]::new()
+                $button.Content = [string]$inline.Text
+                $button.Classes.Add('link')
+                $button.Add_Click({
+                    param($clickSender, $clickArgs)
+                    Open-ExternalUri ([string]$clickSender.Tag)
+                })
+                # Tag carries the URL so the handler reads it off the sender rather
+                # than closing over a loop variable.
+                $button.Tag = $linkUrl
+
+                $container = [Avalonia.Controls.Documents.InlineUIContainer]::new()
+                $container.Child = $button
+                $TextBlock.Inlines.Add($container)
+                continue
+            }
+
+            $run = [Avalonia.Controls.Documents.Run]::new()
+            $run.Text = [string]$inline.Text
+            if ($inline.Bold -or $block.Kind -eq 'Heading') {
+                $run.FontWeight = [Avalonia.Media.FontWeight]::Bold
+            }
+            if ($block.Kind -eq 'Heading') {
+                $run.FontSize = Get-SimpleMarkdownHeadingSize -Level $block.Level -BaseSize $baseSize
+            }
+            if ($inline.Code -or $block.Kind -eq 'CodeBlock') {
+                $run.FontFamily = $codeFont
+                $run.Background = $codeBrush
+            }
+            if ($block.Kind -eq 'Quote') {
+                $run.FontStyle = [Avalonia.Media.FontStyle]::Italic
+            }
+            $TextBlock.Inlines.Add($run)
+        }
+
+        $TextBlock.Inlines.Add([Avalonia.Controls.Documents.LineBreak]::new())
+    }
+}