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;
 7  using Microsoft.UI.Xaml;
 8  using Microsoft.UI.Xaml.Controls;
 9  
10  namespace Microsoft.CmdPal.UI;
11  
12  internal sealed partial class FilterTemplateSelector : DataTemplateSelector
13  {
14      public DataTemplate? Default { get; set; }
15  
16      public DataTemplate? Separator { get; set; }
17  
18      [DynamicDependency(DynamicallyAccessedMemberTypes.All, "Microsoft.UI.Xaml.Controls.ComboBoxItem", "Microsoft.WinUI")]
19      protected override DataTemplate? SelectTemplateCore(object item, DependencyObject dependencyObject)
20      {
21          DataTemplate? dataTemplate = Default;
22  
23          if (dependencyObject is ComboBoxItem comboBoxItem)
24          {
25              comboBoxItem.IsEnabled = true;
26  
27              if (item is SeparatorViewModel)
28              {
29                  comboBoxItem.IsEnabled = false;
30                  comboBoxItem.AllowFocusWhenDisabled = false;
31                  comboBoxItem.AllowFocusOnInteraction = false;
32                  dataTemplate = Separator;
33              }
34          }
35  
36          return dataTemplate;
37      }
38  }