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 CommunityToolkit.Mvvm.Input;
 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  public partial class DetailsLinkViewModel(
13      IDetailsElement _detailsElement,
14      WeakReference<IPageContext> context) : DetailsElementViewModel(_detailsElement, context)
15  {
16      private static readonly string[] _initProperties = [
17          nameof(Text),
18          nameof(Link),
19          nameof(IsLink),
20          nameof(IsText),
21          nameof(NavigateCommand)];
22  
23      private readonly ExtensionObject<IDetailsLink> _dataModel =
24          new(_detailsElement.Data as IDetailsLink);
25  
26      public string Text { get; private set; } = string.Empty;
27  
28      public Uri? Link { get; private set; }
29  
30      public bool IsLink => Link is not null;
31  
32      public bool IsText => !IsLink;
33  
34      public RelayCommand? NavigateCommand { get; private set; }
35  
36      public override void InitializeProperties()
37      {
38          base.InitializeProperties();
39          var model = _dataModel.Unsafe;
40          if (model is null)
41          {
42              return;
43          }
44  
45          Text = model.Text ?? string.Empty;
46          Link = model.Link;
47          if (string.IsNullOrEmpty(Text) && Link is not null)
48          {
49              Text = Link.ToString();
50          }
51  
52          if (Link is not null)
53          {
54              // Custom command to open a link in the default browser or app,
55              // depending on the link type.
56              // Binding Link to a Hyperlink(Button).NavigateUri works only for
57              // certain URI schemes (e.g., http, https) and cannot open file:
58              // scheme URIs or local files.
59              NavigateCommand = new RelayCommand(
60                  () => ShellHelpers.OpenInShell(Link.ToString()),
61                  () => Link is not null);
62          }
63  
64          UpdateProperty(_initProperties);
65      }
66  }