New ItemClickBehavior for ListView/GridView.ItemClick

src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions/Core/ItemClickBehavior.cs

@@ -0,0 +1,70 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+namespace Microsoft.Xaml.Interactions.Core
+{
+    using System.Windows.Input;
+    using Windows.UI.Xaml;
+    using Windows.UI.Xaml.Controls;
+    using Interactivity;
+
+    /// <summary>
+    /// A behavior that listens for the <see cref="ListViewBase.ItemClick"/> event on its source and executes a specified command when that event is fired
+    /// </summary>
+    public sealed class ItemClickBehavior : Behavior<ListViewBase>
+    {
+        /// <summary>
+        /// Gets or sets the <see cref="ICommand"/> instance to invoke when the current behavior is triggered
+        /// </summary>
+        public ICommand Command {
+            get => (ICommand)this.GetValue(CommandProperty);
+            set => this.SetValue(CommandProperty, value);
+        }
+
+        /// <summary>
+        /// Identifies the <seealso cref="Command"/> property
+        /// </summary>
+        public static readonly DependencyProperty CommandProperty = DependencyProperty.Register(
+            nameof(Command),
+            typeof(ICommand),
+            typeof(ItemClickBehavior),
+            new PropertyMetadata(default(ICommand)));
+
+        /// <summary>
+        /// Handles a clicked item and invokes the associated command
+        /// </summary>
+        /// <param name="sender">The current <see cref="ListViewBase"/> instance</param>
+        /// <param name="e">The <see cref="ItemClickEventArgs"/> instance with the clicked item</param>
+        private void HandleItemClick(object sender, ItemClickEventArgs e)
+        {
+            if (!(this.Command is ICommand command) ||
+                !command.CanExecute(e.ClickedItem))
+            {
+                return;
+            }
+
+            command.Execute(e.ClickedItem);
+        }
+
+        /// <inheritdoc/>
+        protected override void OnAttached()
+        {
+            base.OnAttached();
+
+            if (this.AssociatedObject != null)
+            {
+                this.AssociatedObject.ItemClick += this.HandleItemClick;
+            }
+        }
+
+        /// <inheritdoc/>
+        protected override void OnDetaching()
+        {
+            base.OnDetaching();
+
+            if (this.AssociatedObject != null)
+            {
+                this.AssociatedObject.ItemClick -= this.HandleItemClick;
+            }
+        }
+    }
+}

src/BehaviorsSDKManaged/Microsoft.Xaml.Interactions/Microsoft.Xaml.Interactions.csproj

@@ -139,6 +139,7 @@
     <Compile Include="Core\GoToStateAction.cs" />
     <Compile Include="Core\IncrementalUpdateBehavior.cs" />
     <Compile Include="Core\InvokeCommandAction.cs" />
+    <Compile Include="Core\ItemClickBehavior.cs" />
     <Compile Include="Core\NavigateToPageAction.cs" />
     <Compile Include="Core\ResourceHelper.cs" />
     <Compile Include="Core\TypeConverterHelper.cs" />