PowerToys/src/settings-ui/Settings.UI/SettingsXAML/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.PowerToys.Settings.UI.Controls
{
    [TemplateVisualState(Name = "Normal", GroupName = "CommonStates")]
    [TemplateVisualState(Name = "Disabled", GroupName = "CommonStates")]
    public partial class IsEnabledTextBlock : Control
    {
        public IsEnabledTextBlock()
        {
            this.DefaultStyleKey = typeof(KeyVisual);
        }

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

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

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

        public static readonly DependencyProperty IsTextSelectionEnabledProperty = DependencyProperty.Register(nameof(IsTextSelectionEnabled), typeof(bool), typeof(IsEnabledTextBlock), new PropertyMetadata(false));

        public bool IsTextSelectionEnabled
        {
            get => (bool)GetValue(IsTextSelectionEnabledProperty);
            set => SetValue(IsTextSelectionEnabledProperty, value);
        }

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

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