Merge pull request #2156 from github/autocompletebox

Migrating and Updating AutoCompleteBox from *original* GitHub Desktop for Windows

Author: StanleyGoldman

src/GitHub.App/Models/SuggestionItem.cs

@@ -0,0 +1,51 @@
+using System;
+using GitHub.Extensions;
+using GitHub.Helpers;
+
+namespace GitHub.Models
+{
+    /// <summary>
+    /// Represents a single auto completion suggestion (mentions, emojis, issues) in a generic format that can be
+    /// easily cached.
+    /// </summary>
+    public class SuggestionItem
+    {
+        public SuggestionItem(string name, string description)
+        {
+            Guard.ArgumentNotEmptyString(name, "name");
+            Guard.ArgumentNotEmptyString(description, "description");
+
+            Name = name;
+            Description = description;
+        }
+
+        public SuggestionItem(string name, string description, string imageUrl)
+        {
+            Guard.ArgumentNotEmptyString(name, "name");
+
+            Name = name;
+            Description = description;
+            ImageUrl = imageUrl;
+        }
+
+        /// <summary>
+        /// The name to display for this entry
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Additional details about the entry
+        /// </summary>
+        public string Description { get; set; }
+
+        /// <summary>
+        /// An image url for this entry
+        /// </summary>
+        public string ImageUrl { get; set; }
+
+        /// <summary>
+        /// The date this suggestion was last modified according to the API.
+        /// </summary>
+        public DateTimeOffset? LastModifiedDate { get; set; }
+    }
+}

src/GitHub.App/SampleData/CommentViewModelDesigner.cs

@@ -3,6 +3,7 @@
 using System.Reactive;
 using System.Threading.Tasks;
 using GitHub.Models;
+using GitHub.Services;
 using GitHub.ViewModels;
 using ReactiveUI;
 
@@ -37,6 +38,7 @@ public CommentViewModelDesigner()
         public ReactiveCommand<Unit, Unit> CommitEdit { get; }
         public ReactiveCommand<Unit, Unit> OpenOnGitHub { get; } = ReactiveCommand.Create(() => { });
         public ReactiveCommand<Unit, Unit> Delete { get; }
+        public IAutoCompleteAdvisor AutoCompleteAdvisor { get; }
 
         public Task InitializeAsync(ICommentThreadViewModel thread, ActorModel currentUser, CommentModel comment, CommentEditState state)
         {