1  // Copyright (c) Microsoft Corporation
 2  // The Microsoft Corporation licenses this file to you under the MIT license.
 3  // See the LICENSE file in the project root for more information.
 4  
 5  using System.Diagnostics.CodeAnalysis;
 6  using Microsoft.CmdPal.Core.ViewModels.Models;
 7  using Microsoft.CommandPalette.Extensions;
 8  using Microsoft.CommandPalette.Extensions.Toolkit;
 9  
10  namespace Microsoft.CmdPal.Core.ViewModels;
11  
12  [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.All)]
13  public partial class CommandContextItemViewModel(ICommandContextItem contextItem, WeakReference<IPageContext> context) : CommandItemViewModel(new(contextItem), context), IContextItemViewModel
14  {
15      private readonly KeyChord nullKeyChord = new(0, 0, 0);
16  
17      public new ExtensionObject<ICommandContextItem> Model { get; } = new(contextItem);
18  
19      public bool IsCritical { get; private set; }
20  
21      public KeyChord? RequestedShortcut { get; private set; }
22  
23      public bool HasRequestedShortcut => RequestedShortcut is not null && (RequestedShortcut.Value != nullKeyChord);
24  
25      public override void InitializeProperties()
26      {
27          if (IsInitialized)
28          {
29              return;
30          }
31  
32          base.InitializeProperties();
33  
34          var contextItem = Model.Unsafe;
35          if (contextItem is null)
36          {
37              return; // throw?
38          }
39  
40          IsCritical = contextItem.IsCritical;
41  
42          RequestedShortcut = new(
43              contextItem.RequestedShortcut.Modifiers,
44              contextItem.RequestedShortcut.Vkey,
45              contextItem.RequestedShortcut.ScanCode);
46      }
47  }