Warn about unsaved changes when closing settings

Bloxstrap/FastFlagManager.cs

@@ -6,6 +6,8 @@ namespace Bloxstrap
     {
         public override string FileLocation => Path.Combine(Paths.Modifications, "ClientSettings\\ClientAppSettings.json");
 
+        public bool Changed => !OriginalProp.SequenceEqual(Prop);
+
         public static IReadOnlyDictionary<string, string> PresetFlags = new Dictionary<string, string>
         {
             { "Network.Log", "FLogNetwork" },
@@ -231,12 +233,18 @@ namespace Bloxstrap
                 Prop[pair.Key] = pair.Value.ToString()!;
 
             base.Save();
+
+            // clone the dictionary
+            OriginalProp = new(Prop);
         }
 
         public override void Load()
         {
             base.Load();
 
+            // clone the dictionary
+            OriginalProp = new(Prop);
+
             // TODO - remove when activity tracking has been revamped
             if (GetPreset("Network.Log") != "7")
                 SetPreset("Network.Log", "7");

Bloxstrap/JsonManager.cs

@@ -4,6 +4,8 @@ namespace Bloxstrap
 {
     public class JsonManager<T> where T : class, new()
     {
+        public T OriginalProp { get; set; } = new();
+        
         public T Prop { get; set; } = new();
 
         public virtual string FileLocation => Path.Combine(Paths.Base, $"{typeof(T).Name}.json");

Bloxstrap/Models/SettingTasks/Base/BoolBaseTask.cs

@@ -29,12 +29,16 @@ namespace Bloxstrap.Models.SettingTasks.Base
 
             set
             {
-                App.PendingSettingTasks[Name] = this;
                 _newState = value;
+                
+                if (Changed)
+                    App.PendingSettingTasks[Name] = this;
+                else
+                    App.PendingSettingTasks.Remove(Name);
             }
         }
 
-        public override bool Changed => NewState != OriginalState;
+        public override bool Changed => _newState != OriginalState;
 
         public BoolBaseTask(string prefix, string name) : base(prefix, name) { }
     }

Bloxstrap/Models/SettingTasks/Base/EnumBaseTask.cs

@@ -23,12 +23,16 @@
 
             set
             {
-                App.PendingSettingTasks[Name] = this;
                 _newState = value;
+
+                if (Changed)
+                    App.PendingSettingTasks[Name] = this;
+                else
+                    App.PendingSettingTasks.Remove(Name);
             }
         }
 
-        public override bool Changed => !NewState.Equals(OriginalState);
+        public override bool Changed => !_newState.Equals(OriginalState);
 
         public IEnumerable<T> Selections { get; private set; } 
             = Enum.GetValues(typeof(T)).Cast<T>().OrderBy(x =>

Bloxstrap/Models/SettingTasks/Base/StringBaseTask.cs

@@ -29,12 +29,16 @@ namespace Bloxstrap.Models.SettingTasks.Base
 
             set
             {
-                App.PendingSettingTasks[Name] = this;
                 _newState = value;
+
+                if (Changed)
+                    App.PendingSettingTasks[Name] = this;
+                else
+                    App.PendingSettingTasks.Remove(Name);
             }
         }
 
-        public override bool Changed => NewState != OriginalState;
+        public override bool Changed => _newState != OriginalState;
 
         public StringBaseTask(string prefix, string name) : base(prefix, name) { }
     }

Bloxstrap/Resources/Strings.Designer.cs

@@ -2969,6 +2969,15 @@ namespace Bloxstrap.Resources {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to You have unsaved changes. Are you sure you want to close without saving?.
+        /// </summary>
+        public static string Menu_UnsavedChanges {
+            get {
+                return ResourceManager.GetString("Menu.UnsavedChanges", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to They&apos;ll be kept where Bloxstrap was installed, and will automatically be restored on a reinstall..
         /// </summary>

Bloxstrap/Resources/Strings.resx

@@ -1139,4 +1139,7 @@ If not, then please report this exception to the maintainers of this fork. Do NO
   <data name="About.Translators.Title" xml:space="preserve">
     <value>Translators</value>
   </data>
+  <data name="Menu.UnsavedChanges" xml:space="preserve">
+    <value>You have unsaved changes. Are you sure you want to close without saving?</value>
+  </data>
 </root>

Bloxstrap/UI/Elements/Settings/MainWindow.xaml

@@ -15,7 +15,8 @@
              Background="{ui:ThemeResource ApplicationBackgroundBrush}"
              ExtendsContentIntoTitleBar="True"
              WindowBackdropType="Mica"
-             WindowStartupLocation="CenterScreen">
+             WindowStartupLocation="CenterScreen"
+             Closing="WpfUiWindow_Closing">
     <Grid>
         <Grid.RowDefinitions>
             <RowDefinition Height="Auto" />

Bloxstrap/UI/Elements/Settings/MainWindow.xaml.cs

@@ -1,6 +1,10 @@
-using System.Windows.Controls;
+using System.ComponentModel;
+using System.Windows;
+using System.Windows.Controls;
+
 using Wpf.Ui.Controls.Interfaces;
 using Wpf.Ui.Mvvm.Contracts;
+
 using Bloxstrap.UI.ViewModels.Settings;
 
 namespace Bloxstrap.UI.Elements.Settings
@@ -22,7 +26,7 @@ namespace Bloxstrap.UI.Elements.Settings
             App.Logger.WriteLine("MainWindow::MainWindow", "Initializing menu");
 
 #if DEBUG // easier access
-            EditorWarningNavItem.Visibility = System.Windows.Visibility.Visible;
+            EditorWarningNavItem.Visibility = Visibility.Visible;
 #endif
 
             if (showAlreadyRunningWarning)
@@ -50,5 +54,16 @@ namespace Bloxstrap.UI.Elements.Settings
         public void CloseWindow() => Close();
 
         #endregion INavigationWindow methods
+
+        private void WpfUiWindow_Closing(object sender, CancelEventArgs e)
+        {
+            if (App.FastFlags.Changed || App.PendingSettingTasks.Any())
+            {
+                var result = Frontend.ShowMessageBox(Strings.Menu_UnsavedChanges, MessageBoxImage.Warning, MessageBoxButton.YesNo);
+
+                if (result != MessageBoxResult.Yes)
+                    e.Cancel = true;
+            }
+        }
     }
 }