Open URL in Family Tree sample on all platforms (desktop, browser, android)

sample.Android/MainActivity.cs

@@ -1,5 +1,7 @@
 using Android.App;
+using Android.Content;
 using Android.Content.PM;
+using Android.Net;
 using Avalonia;
 using Avalonia.Android;
 
@@ -16,6 +18,14 @@ public class MainActivity : AvaloniaMainActivity<App>
   protected override AppBuilder CustomizeAppBuilder(AppBuilder builder)
   {
     return base.CustomizeAppBuilder(builder)
-      .WithInterFont();
+      .WithInterFont()
+      .SetUrlOpener(OpenUrl);
+  }
+  
+  private void OpenUrl(string url)
+  {
+    var uri = Uri.Parse (url);
+    var intent = new Intent (Intent.ActionView, uri);
+    StartActivity(intent);
   }
 }

sample.Browser/AvaloniaGraphControlSample.Browser.csproj

@@ -1,20 +1,21 @@
 <Project Sdk="Microsoft.NET.Sdk">
-    <PropertyGroup>
+  <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
-        <RuntimeIdentifier>browser-wasm</RuntimeIdentifier>
+    <RuntimeIdentifier>browser-wasm</RuntimeIdentifier>
-        <WasmMainJSPath>AppBundle\main.js</WasmMainJSPath>
+    <WasmMainJSPath>AppBundle\main.js</WasmMainJSPath>
-        <OutputType>Exe</OutputType>
+    <OutputType>Exe</OutputType>
-    </PropertyGroup>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+  </PropertyGroup>
 
-    <ItemGroup>
+  <ItemGroup>
-        <WasmExtraFilesToDeploy Include="AppBundle\**"/>
+    <WasmExtraFilesToDeploy Include="AppBundle\**"/>
-    </ItemGroup>
+  </ItemGroup>
 
-    <ItemGroup>
+  <ItemGroup>
-        <PackageReference Include="Avalonia.Browser" Version="$(AvaloniaVersion)"/>
+    <PackageReference Include="Avalonia.Browser" Version="$(AvaloniaVersion)"/>
-    </ItemGroup>
+  </ItemGroup>
 
-    <ItemGroup>
+  <ItemGroup>
-        <ProjectReference Include="..\sample\AvaloniaGraphControlSample.csproj"/>
+    <ProjectReference Include="..\sample\AvaloniaGraphControlSample.csproj"/>
-    </ItemGroup>
+  </ItemGroup>
 </Project>

sample.Browser/Program.cs

@@ -1,4 +1,5 @@
-using System.Runtime.Versioning;
+using System.Runtime.InteropServices.JavaScript;
+using System.Runtime.Versioning;
 using System.Threading.Tasks;
 using Avalonia;
 using Avalonia.Browser;
@@ -12,6 +13,14 @@ internal partial class Program
     .WithInterFont()
     .StartBrowserAppAsync("out");
 
-  public static AppBuilder BuildAvaloniaApp()
+  public static AppBuilder BuildAvaloniaApp() => AppBuilder
-    => AppBuilder.Configure<App>();
+      .Configure<App>()
+      .SetUrlOpener(Interop.OpenUrl);
+}
+
+[SupportedOSPlatform("browser")]
+internal static partial class Interop
+{
+  [JSImport("globalThis.open")]
+  public static partial void OpenUrl(string url);
 }

sample.Desktop/Program.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Diagnostics;
 using Avalonia;
 
 namespace AvaloniaGraphControlSample.Desktop;
@@ -17,5 +18,14 @@ class Program
     => AppBuilder.Configure<App>()
       .UsePlatformDetect()
       .WithInterFont()
-      .LogToTrace();
+      .LogToTrace()
+      .SetUrlOpener(OpenUrl);
+  
+  private static void OpenUrl(string url)
+  {
+    using var proc = new Process();
+    proc.StartInfo.UseShellExecute = true;
+    proc.StartInfo.FileName = url;
+    proc.Start();
+  }
 }

sample/App.axaml.cs

@@ -1,4 +1,5 @@
-using System.Diagnostics;
+using System;
+using System.Diagnostics;
 using Avalonia;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Markup.Xaml;
@@ -7,6 +8,12 @@ namespace AvaloniaGraphControlSample
 {
   public class App : Application
   {
+    private Action<string> _openUrl = _ => {};
+    public void SetUrlOpener(Action<string> openUrl)
+    {
+      _openUrl = openUrl;
+    }
+    
     public override void Initialize()
     {
       AvaloniaXamlLoader.Load(this);
@@ -19,18 +26,24 @@ namespace AvaloniaGraphControlSample
       {
         desktop.MainWindow = new MainWindow()
         {
-          DataContext = new Model()
+          DataContext = new Model(_openUrl)
         };
       }
       else if (ApplicationLifetime is ISingleViewApplicationLifetime singleViewPlatform)
       {
         singleViewPlatform.MainView = new MainView
         {
-          DataContext = new Model()
+          DataContext = new Model(_openUrl)
         };
       }
       
       base.OnFrameworkInitializationCompleted();
     }
   }
+
+  public static class ConfigureApp
+  {
+    public static AppBuilder SetUrlOpener(this AppBuilder builder, Action<string> openUrl) =>
+      builder.AfterSetup(b => ((App)b.Instance!).SetUrlOpener(openUrl));
+  }
 }

sample/Model.cs

@@ -14,6 +14,13 @@ namespace AvaloniaGraphControlSample
 
   class Model
   {
+    private readonly Action<string> openUrl;
+
+    public Model(Action<string> openUrl)
+    {
+      this.openUrl = openUrl;
+    }
+
     public IEnumerable<NamedGraph> SampleGraphs => new NamedGraph[] {
       new SimpleGraph(),
       new SimpleOrderedLayoutGraph(),
@@ -21,7 +28,7 @@ namespace AvaloniaGraphControlSample
       new SimpleWithSubgraph(),
       new SimpleOrderedLayoutWithSubgraph(),
       new ColoredEdges(),
-      new FamilyTree(),
+      new FamilyTree(openUrl),
       new StateMachine(Graph.Orientations.Vertical),
       new StateMachine(Graph.Orientations.Horizontal),
       new StateMachineManyComposites(Graph.Orientations.Vertical),

sample/SimpleTrees/FamilyTree.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Linq;
 using Avalonia.Media;
 using AvaloniaGraphControl;
@@ -6,32 +7,27 @@ namespace AvaloniaGraphControlSample
 {
   class FamilyMember
   {
-    public FamilyMember(string name, IBrush backgroungColor, string url)
+    private readonly Action onClick;
+
+    public FamilyMember(string name, IBrush backgroungColor, Action onClick)
     {
+      this.onClick = onClick;
       Name = name;
       BackgroundColor = backgroungColor;
-      URL = url;
     }
 
-    public void Navigate()
+    public void Navigate() => onClick();
-    {
-      if (System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(System.Runtime.InteropServices.OSPlatform.Linux))
-        System.Diagnostics.Process.Start("xdg-open", URL);
-      else
-        System.Diagnostics.Process.Start(URL);
-    }
     public string Name { get; private set; }
     public IBrush BackgroundColor { get; private set; }
-    public string URL { get; private set; }
   }
 
   class Male : FamilyMember
   {
-    public Male(string name, string url) : base(name, Brushes.LightSkyBlue, url) { }
+    public Male(string name, Action onClick) : base(name, Brushes.LightSkyBlue, onClick) { }
   }
   class Female : FamilyMember
   {
-    public Female(string name, string url) : base(name, Brushes.LightPink, url) { }
+    public Female(string name, Action onClick) : base(name, Brushes.LightPink, onClick) { }
   }
   class Family
   {
@@ -39,21 +35,21 @@ namespace AvaloniaGraphControlSample
 
   class FamilyTree : NamedGraph
   {
-    public FamilyTree() : base("Family Tree")
+    public FamilyTree(Action<string> openUrl) : base("Family Tree")
     {
       Orientation = Orientations.Vertical;
-      var abraham = new Male("Abraham", "https://en.wikipedia.org/wiki/Grampa_Simpson");
+      var abraham = new Male("Abraham", () => openUrl("https://en.wikipedia.org/wiki/Grampa_Simpson"));
-      var mona = new Female("Mona", "https://en.wikipedia.org/wiki/Mona_Simpson_(The_Simpsons)");
+      var mona = new Female("Mona", () => openUrl("https://en.wikipedia.org/wiki/Mona_Simpson_(The_Simpsons)"));
-      var homer = new Male("Homer", "https://en.wikipedia.org/wiki/Homer_Simpson");
+      var homer = new Male("Homer", () => openUrl("https://en.wikipedia.org/wiki/Homer_Simpson"));
-      var clancy = new Male("Clancy", "https://en.wikipedia.org/wiki/Simpson_family#Clancy_Bouvier");
+      var clancy = new Male("Clancy", () => openUrl("https://en.wikipedia.org/wiki/Simpson_family#Clancy_Bouvier"));
-      var jackie = new Female("Jackie", "https://en.wikipedia.org/wiki/Simpson_family#Jacqueline_Bouvier");
+      var jackie = new Female("Jackie", () => openUrl("https://en.wikipedia.org/wiki/Simpson_family#Jacqueline_Bouvier"));
-      var marge = new Female("Marge", "https://en.wikipedia.org/wiki/Marge_Simpson");
+      var marge = new Female("Marge", () => openUrl("https://en.wikipedia.org/wiki/Marge_Simpson"));
-      var patty = new Female("Patty", "https://en.wikipedia.org/wiki/Patty_and_Selma");
+      var patty = new Female("Patty", () => openUrl("https://en.wikipedia.org/wiki/Patty_and_Selma"));
-      var selma = new Female("Selma", "https://en.wikipedia.org/wiki/Patty_and_Selma");
+      var selma = new Female("Selma", () => openUrl("https://en.wikipedia.org/wiki/Patty_and_Selma"));
-      var ling = new Female("Ling", "https://en.wikipedia.org/wiki/Simpson_family#Ling_Bouvier");
+      var ling = new Female("Ling", () => openUrl("https://en.wikipedia.org/wiki/Simpson_family#Ling_Bouvier"));
-      var bart = new Male("Bart", "https://en.wikipedia.org/wiki/Bart_Simpson");
+      var bart = new Male("Bart", () => openUrl("https://en.wikipedia.org/wiki/Bart_Simpson"));
-      var lisa = new Female("Lisa", "https://en.wikipedia.org/wiki/Lisa_Simpson");
+      var lisa = new Female("Lisa", () => openUrl("https://en.wikipedia.org/wiki/Lisa_Simpson"));
-      var maggie = new Female("Maggie", "https://en.wikipedia.org/wiki/Maggie_Simpson");
+      var maggie = new Female("Maggie", () => openUrl("https://en.wikipedia.org/wiki/Maggie_Simpson"));
       var f1 = new Family();
       var f2 = new Family();
       var f3 = new Family();