Validate ComboBoxes

Elwig/App.xaml.cs

@@ -32,13 +32,13 @@ namespace Elwig {
         }
 
         protected override void OnStartup(StartupEventArgs evt) {
-            IEnumerable<string> branches = Array.Empty<string>();
+            Dictionary<string, string> branches = new();
             using (var ctx = new AppDbContext()) {
                 if (!ctx.Database.CanConnect()) {
                     MessageBox.Show($"Invalid Database:\n\n{Config.DatabaseFile}", "Invalid Database", MessageBoxButton.OK, MessageBoxImage.Error);
                     Shutdown();
                 } else {
-                    branches = ctx.Branches.Select(b => b.ZwstId).ToList();
+                    branches = ctx.Branches.ToDictionary(b => b.Name.ToLower(), b => b.ZwstId);
                 }
             }
             Utils.RunBackground("HTML Initialization", () => Documents.Html.Init(PrintingReadyChanged));
@@ -67,15 +67,15 @@ namespace Elwig {
             }
             Scales = list;
 
-            if (Config.ZwstId != null) {
-                if (!branches.Contains(Config.ZwstId)) {
-                    MessageBox.Show("Invalid branch id in config!", "Invalid Branch Config", MessageBoxButton.OK, MessageBoxImage.Error);
+            if (Config.Branch != null) {
+                if (!branches.ContainsKey(Config.Branch.ToLower())) {
+                    MessageBox.Show("Invalid branch name in config!", "Invalid Branch Config", MessageBoxButton.OK, MessageBoxImage.Error);
                     Shutdown();
                 } else {
-                    ZwstId = Config.ZwstId;
+                    ZwstId = branches[Config.Branch.ToLower()];
                 }
-            } else if (branches.Count() == 1) {
-                ZwstId = branches.First();
+            } else if (branches.Count == 1) {
+                ZwstId = branches.First().Value;
             } else {
                 MessageBox.Show("Unable to determine local branch!", "Invalid Branch Config", MessageBoxButton.OK, MessageBoxImage.Error);
                 Shutdown();

Elwig/Helpers/Config.cs

@@ -11,7 +11,7 @@ namespace Elwig.Helpers {
         private readonly string FileName;
         public string DatabaseFile = App.DataPath + "database.sqlite3";
         public string? DatabaseLog = null;
-        public string? ZwstId = null;
+        public string? Branch = null;
         public IEnumerable<string[]> Scales;
         private readonly LinkedList<string[]> ScaleList = new();
 
@@ -45,9 +45,9 @@ namespace Elwig.Helpers {
             }
 
             if (ini == null || !ini.TryGetKey("general.branch", out string branch)) {
-                ZwstId = null;
+                Branch = null;
             } else {
-                ZwstId = branch;
+                Branch = branch;
             }
 
             ScaleList.Clear();

Elwig/Windows/AdministrationWindow.cs

@@ -201,6 +201,7 @@ namespace Elwig.Windows {
             Utils.RenewItemsSource(ortInput, list, i => (i as AT_PlzDest)?.Id);
             if (list != null && ortInput.SelectedItem == null && list.Count == 1)
                 ortInput.SelectedItem = list[0];
+            UpdateComboBox(ortInput);
         }
 
         protected bool InputTextChanged(TextBox input, Func<TextBox, bool, ValidationResult> checker) {
@@ -280,22 +281,31 @@ namespace Elwig.Windows {
             UpdateButtons();
         }
 
-        protected void ComboBox_SelectionChanged(object sender, RoutedEventArgs evt) {
-            var input = (ComboBox)sender;
-            if (input.ItemsSource != null && input.SelectedItem == null && RequiredInputs.Contains(input)) {
-                ValidateInput(input, false);
-                Utils.SetInputInvalid(input);
-            } else {
+        private void UpdateComboBox(Control input) {
+            bool valid = false;
+            if (input is ComboBox cb) {
+                valid = cb.ItemsSource == null || cb.SelectedItem != null || !RequiredInputs.Contains(input);
+            } else if (input is CheckComboBox ccb) {
+                valid = ccb.ItemsSource == null || ccb.SelectedItem != null || !RequiredInputs.Contains(input);
+            }
+            if (valid) {
                 ValidateInput(input, true);
                 if (InputHasChanged(input)) {
                     Utils.SetInputChanged(input);
                 } else {
                     Utils.ClearInputState(input);
                 }
+            } else {
+                ValidateInput(input, false);
+                Utils.SetInputInvalid(input);
             }
             UpdateButtons();
         }
 
+        protected void ComboBox_SelectionChanged(object sender, RoutedEventArgs evt) {
+            UpdateComboBox((Control)sender);
+        }
+
         protected void IntegerInput_TextChanged(object sender, RoutedEventArgs evt) {
             InputTextChanged((TextBox)sender, Validator.CheckInteger);
         }