feat.更新日志显示支持 Markdown 渲染

src/MeoAsstGui/MeoAsstGui.csproj

@@ -258,6 +258,9 @@
     <PackageReference Include="Microsoft.Win32.Primitives">
       <Version>4.3.0</Version>
     </PackageReference>
+    <PackageReference Include="Neo.Markdig.Xaml">
+      <Version>1.0.10</Version>
+    </PackageReference>
     <PackageReference Include="NETStandard.Library">
       <Version>2.0.3</Version>
     </PackageReference>

src/MeoAsstGui/ViewModels/VersionUpdateViewModel.cs

@@ -18,6 +18,9 @@ using System.Runtime.InteropServices;
 using System.Text;
 using System.Text.RegularExpressions;
 using System.Windows;
+using System.Windows.Documents;
+using Markdig;
+using Neo.Markdig.Xaml;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using Stylet;
@@ -58,6 +61,8 @@ namespace MeoAsstGui
 
         private string _updateInfo = ViewStatusStorage.Get("VersionUpdate.body", string.Empty);
 
+        private static readonly MarkdownPipeline s_markdownPipeline = new MarkdownPipelineBuilder().UseXamlSupportedExtensions().Build();
+
         public string UpdateInfo
         {
             get
@@ -71,6 +76,14 @@ namespace MeoAsstGui
             }
         }
 
+        public FlowDocument UpdateInfoDocument
+        {
+            get
+            {
+                return MarkdownXaml.ToFlowDocument(UpdateInfo, s_markdownPipeline);
+            }
+        }
+
         private bool _isFirstBootAfterUpdate = Convert.ToBoolean(ViewStatusStorage.Get("VersionUpdate.firstboot", Boolean.FalseString));
 
         public bool IsFirstBootAfterUpdate
@@ -735,5 +748,10 @@ namespace MeoAsstGui
             UpdateTag = string.Empty;
             UpdateInfo = string.Empty;
         }
+
+        public void OpenHyperlink(object sender, System.Windows.Input.ExecutedRoutedEventArgs e)
+        {
+            Process.Start(e.Parameter.ToString());
+        }
     }
 }

src/MeoAsstGui/Views/VersionUpdateView.xaml

@@ -4,6 +4,7 @@
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:s="https://github.com/canton7/Stylet"
+		     xmlns:md="clr-namespace:Neo.Markdig.Xaml;assembly=Neo.Markdig.Xaml"
              mc:Ignorable="d"
              Title="版本已更新" Height="500" Width="600">
     <Grid>
@@ -17,9 +18,20 @@
             <TextBlock Style="{StaticResource TextBlockDefaultBold}" Text="已更新：" TextWrapping="Wrap" FontSize="24" Margin="0, 20" />
             <TextBlock Style="{StaticResource TextBlockDefaultBold}" Text="{Binding UpdateTag}" TextWrapping="Wrap" FontSize="24" Margin="0, 20" />
         </StackPanel>
-        <ScrollViewer HorizontalAlignment="Center" VerticalAlignment="Top" Grid.Row="1">
-            <TextBlock Style="{StaticResource TextBlockDefault}" Text="{Binding UpdateInfo}" TextWrapping="Wrap" FontSize="16" Margin="0, 20" />
-        </ScrollViewer>
+
+        <FlowDocumentScrollViewer x:Name="flowDocumentScrollViewer"
+                                  HorizontalAlignment="Center"
+                                  VerticalAlignment="Top"
+                                  Grid.Row="1"
+                                  Document="{Binding UpdateInfoDocument}"
+                                  Margin="16, 0"
+                                  VerticalScrollBarVisibility="Auto"
+                                  MaxZoom="200"
+                                  MinZoom="60" >
+            <FlowDocumentScrollViewer.CommandBindings>
+                <CommandBinding Command="{x:Static md:MarkdownXaml.Hyperlink}" Executed="{s:Action OpenHyperlink}" />
+            </FlowDocumentScrollViewer.CommandBindings>
+        </FlowDocumentScrollViewer>
 
         <StackPanel HorizontalAlignment="Center" Orientation="Horizontal" Grid.Row="2">
             <!--<Button Command="{s:Action Download}" Content="前往下载" Margin="20" Width="120" Height="60" />-->