| 1 | // Copyright (C) Microsoft Corporation. All rights reserved. |
| 2 | |
| 3 | using CommunityToolkit.Mvvm.ComponentModel; |
| 4 | using Microsoft.UI.Dispatching; |
| 5 | using System.Runtime.CompilerServices; |
| 6 | using System.Text.RegularExpressions; |
| 7 | using WslSettings.Contracts.Services; |
| 8 | |
| 9 | namespace WslSettings.ViewModels.Settings |
| 10 | { |
| 11 | abstract public partial class WslConfigSettingViewModel : ObservableRecipient |
| 12 | { |
| 13 | private readonly DispatcherQueue _dispatcherQueue = DispatcherQueue.GetForCurrentThread(); |
| 14 | |
| 15 | protected WslConfigSettingViewModel() |
| 16 | { |
| 17 | App.GetService<IWslConfigService>().WslConfigChanged += OnConfigChanged; |
| 18 | } |
| 19 | |
| 20 | public void OnConfigChanged() |
| 21 | { |
| 22 | InitializeConfigSettings(); |
| 23 | _dispatcherQueue.TryEnqueue(() => |
| 24 | { |
| 25 | OnPropertyChanged(String.Empty); |
| 26 | }); |
| 27 | } |
| 28 | |
| 29 | abstract protected void InitializeConfigSettings(); |
| 30 | |
| 31 | protected bool ValidateInput(string? newValue, Regex regex, [CallerMemberName] string? propertyName = null) |
| 32 | { |
| 33 | if (newValue == null || !regex.IsMatch(newValue)) |
| 34 | { |
| 35 | // Notify the property so it can revert back to its previous value. |
| 36 | OnPropertyChanged(propertyName); |
| 37 | return false; |
| 38 | } |
| 39 | |
| 40 | return true; |
| 41 | } |
| 42 | |
| 43 | protected void Set<T>(ref IWslConfigSetting wslConfigSetting, T newValue, [CallerMemberName] string? propertyName = null) |
| 44 | { |
| 45 | if (wslConfigSetting.Equals(newValue)) |
| 46 | { |
| 47 | return; |
| 48 | } |
| 49 | |
| 50 | if (wslConfigSetting.SetValue(newValue) != 0) |
| 51 | { |
| 52 | SettingsContentVisibility = false; |
| 53 | ErrorVisibility = !SettingsContentVisibility; |
| 54 | return; |
| 55 | } |
| 56 | |
| 57 | OnPropertyChanged(propertyName); |
| 58 | } |
| 59 | |
| 60 | private bool _errorVisibility = false; |
| 61 | public bool ErrorVisibility |
| 62 | { |
| 63 | get => _errorVisibility; |
| 64 | set => SetProperty(ref _errorVisibility, value); |
| 65 | } |
| 66 | |
| 67 | private bool _settingsContentVisibility = true; |
| 68 | public bool SettingsContentVisibility |
| 69 | { |
| 70 | get => _settingsContentVisibility; |
| 71 | set => SetProperty(ref _settingsContentVisibility, value); |
| 72 | } |
| 73 | } |
| 74 | } |