Porting NavigateToUriBehavior (#179)

* Adding NavigateToUriBehavior

* Address feedback

* Comment tweak

Author: niels9001

components/Behaviors/samples/Behaviors.md

@@ -42,3 +42,8 @@ A control only receives focus if it is enabled and loaded into the visual tree:
 
 Empty lists do not receive focus:
 > [!Sample FocusBehaviorListSample]
+
+## NavigateToUriAction
+This behavior allows you to define a Uri in XAML, similiar to a `Hyperlink` or `HyperlinkButton`. This allows you to use a `Button` and still define the Uri in XAML without wiring up the `Click` event in code-behind, or restyling a `HyperlinkButton`.
+
+> [!Sample NavigateToUriActionSample]

components/Behaviors/samples/NavigateToUriActionSample.xaml

@@ -0,0 +1,15 @@
+<Page x:Class="BehaviorsExperiment.Samples.NavigateToUriActionSample"
+      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+      xmlns:behaviors="using:CommunityToolkit.WinUI.Behaviors"
+      xmlns:core="using:Microsoft.Xaml.Interactions.Core"
+      xmlns:interactivity="using:Microsoft.Xaml.Interactivity">
+
+    <Button Content="Click to navigate">
+        <interactivity:Interaction.Behaviors>
+            <core:EventTriggerBehavior EventName="Click">
+                <behaviors:NavigateToUriAction NavigateUri="https://aka.ms/toolkit/windows" />
+            </core:EventTriggerBehavior>
+        </interactivity:Interaction.Behaviors>
+    </Button>
+</Page>

components/Behaviors/samples/NavigateToUriActionSample.xaml.cs

@@ -0,0 +1,16 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using CommunityToolkit.WinUI.Behaviors;
+
+namespace BehaviorsExperiment.Samples;
+
+[ToolkitSample(id: nameof(NavigateToUriActionSample), nameof(NavigateToUriAction), description: $"A sample demonstrating how to use {nameof(NavigateToUriAction)}.")]
+public sealed partial class NavigateToUriActionSample : Page
+{
+    public NavigateToUriActionSample()
+    {
+        this.InitializeComponent();
+    }
+}

components/Behaviors/src/NavigateToUriAction.cs

@@ -0,0 +1,46 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Xaml.Interactivity;
+
+namespace CommunityToolkit.WinUI.Behaviors;
+
+/// <summary>
+/// NavigateToUriAction represents an action that allows navigate to a specified URL defined in XAML, similiar to a Hyperlink and HyperlinkButton. No action will be invoked if the Uri cannot be navigated to.
+/// </summary>
+public sealed partial class NavigateToUriAction : DependencyObject, IAction
+{
+    /// <summary>
+    /// Gets or sets the Uniform Resource Identifier (URI) to navigate to when the object is clicked.
+    /// </summary>
+    public Uri NavigateUri
+    {
+        get => (Uri)GetValue(NavigateUriProperty);
+        set => SetValue(NavigateUriProperty, value);
+    }
+
+    /// <summary>
+    /// Identifies the <seealso cref="NavigateUri"/> dependency property.
+    /// </summary>
+    public static readonly DependencyProperty NavigateUriProperty = DependencyProperty.Register(
+        nameof(NavigateUri),
+        typeof(Uri),
+        typeof(NavigateToUriAction),
+        new PropertyMetadata(null));
+
+    /// <inheritdoc/>
+    public object Execute(object sender, object parameter)
+    {
+        if (NavigateUri != null)
+        {
+            _ = Windows.System.Launcher.LaunchUriAsync(NavigateUri);
+        }
+        else
+        {
+            throw new ArgumentNullException(nameof(NavigateUri));
+        }
+
+        return true;
+    }
+}