PowerToys/src/modules/cmdpal/Microsoft.CmdPal.UI/Controls/IsEnabledTextBlock.xaml.cs

// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System.ComponentModel;

using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;

namespace Microsoft.CmdPal.UI.Controls;

[TemplateVisualState(Name = "Normal", GroupName = "CommonStates")]
[TemplateVisualState(Name = "Disabled", GroupName = "CommonStates")]
public partial class IsEnabledTextBlock : Control
{
    public IsEnabledTextBlock()
    {
        this.Style = (Style)App.Current.Resources["DefaultIsEnabledTextBlockStyle"];
    }

    protected override void OnApplyTemplate()
    {
        IsEnabledChanged -= IsEnabledTextBlock_IsEnabledChanged;
        SetEnabledState();
        IsEnabledChanged += IsEnabledTextBlock_IsEnabledChanged;
        base.OnApplyTemplate();
    }

    public static readonly DependencyProperty TextProperty = DependencyProperty.Register(
       "Text",
       typeof(string),
       typeof(IsEnabledTextBlock),
       null);

    [Localizable(true)]
    public string Text
    {
        get => (string)GetValue(TextProperty);
        set => SetValue(TextProperty, value);
    }

    private void IsEnabledTextBlock_IsEnabledChanged(object sender, DependencyPropertyChangedEventArgs e)
    {
        SetEnabledState();
    }

    private void SetEnabledState()
    {
        VisualStateManager.GoToState(this, IsEnabled ? "Normal" : "Disabled", true);
    }
}