Improve newmemberbutton

WGneu/Windows/MemberListWindow.xaml.cs

@@ -1,4 +1,5 @@
 using Microsoft.EntityFrameworkCore;
+using ModernWpf.Controls;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -16,6 +17,10 @@ namespace WGneu.Windows {
         private bool IsCreating = false;
         private List<string> TextFilter = new();
         private readonly Control[] ExemptInputs;
+        private IEnumerable<TextBox> TextBoxInputs = Array.Empty<TextBox>();
+        private IEnumerable<ComboBox> ComboBoxInputs = Array.Empty<ComboBox>();
+        private IEnumerable<CheckBox> CheckBoxInputs = Array.Empty<CheckBox>();
+        private IEnumerable<RadioButton> RadioButtonInputs = Array.Empty<RadioButton>();
         private readonly Dictionary<Control, bool> Valid = new();
         private readonly Dictionary<Control, object?> OriginalValues = new();
         private readonly RoutedCommand CtrlF = new();
@@ -30,14 +35,18 @@ namespace WGneu.Windows {
                 NewMemberButton, EditMemberButton, DeleteMemberButton,
                 ResetButton, SaveButton, CancelButton
             };
-            foreach (var tb in Utils.FindVisualChilds<TextBox>(this, ExemptInputs))
-                Valid[tb] = true;
         }
 
         private void Window_Loaded(object sender, RoutedEventArgs evt) {
             ActiveMemberInput.IsChecked = true;
             BranchInput.ItemsSource = Context.Branches.OrderBy(b => b.Name).ToList();
             DefaultKgInput.ItemsSource = Context.WbKgs.Select(k => k.Kg).OrderBy(k => k.Name).ToList();
+            TextBoxInputs = Utils.FindVisualChilds<TextBox>(this, ExemptInputs).ToList();
+            ComboBoxInputs = Utils.FindVisualChilds<ComboBox>(this, ExemptInputs).ToList();
+            CheckBoxInputs = Utils.FindVisualChilds<CheckBox>(this, ExemptInputs).ToList();
+            RadioButtonInputs = Utils.FindVisualChilds<RadioButton>(this, ExemptInputs).ToList();
+            foreach (var tb in TextBoxInputs)
+                Valid[tb] = true;
         }
 
         protected override void OnClosing(CancelEventArgs evt) {
@@ -84,13 +93,13 @@ namespace WGneu.Windows {
         }
 
         private void ClearInputStates() {
-            foreach (var tb in Utils.FindVisualChilds<TextBox>(this, ExemptInputs))
+            foreach (var tb in TextBoxInputs)
                 Utils.ClearInputState(tb);
-            foreach (var cb in Utils.FindVisualChilds<ComboBox>(this, ExemptInputs))
+            foreach (var cb in ComboBoxInputs)
                 Utils.ClearInputState(cb);
-            foreach (var cb in Utils.FindVisualChilds<CheckBox>(this, ExemptInputs))
+            foreach (var cb in CheckBoxInputs)
                 Utils.ClearInputState(cb);
-            foreach (var rb in Utils.FindVisualChilds<RadioButton>(this, ExemptInputs))
+            foreach (var rb in RadioButtonInputs)
                 Utils.ClearInputState(rb);
         }
 
@@ -111,7 +120,6 @@ namespace WGneu.Windows {
         }
 
         private void InitInputs() {
-            ClearInputs();
             MgNrInput.Text = Utils.NextMgNr(Context).ToString();
             EntryDateInput.Text = DateTime.Now.ToString("dd.MM.yyyy");
             if (Context.Branches.Count() == 1)
@@ -317,24 +325,24 @@ namespace WGneu.Windows {
         }
 
         private void LockInputs() {
-            foreach (var tb in Utils.FindVisualChilds<TextBox>(this, ExemptInputs))
+            foreach (var tb in TextBoxInputs)
                 tb.IsReadOnly = true;
-            foreach (var cb in Utils.FindVisualChilds<ComboBox>(this, ExemptInputs))
+            foreach (var cb in ComboBoxInputs)
                 cb.IsEnabled = false;
-            foreach (var cb in Utils.FindVisualChilds<CheckBox>(this, ExemptInputs))
+            foreach (var cb in CheckBoxInputs)
                 cb.IsEnabled = false;
-            foreach (var rb in Utils.FindVisualChilds<RadioButton>(this, ExemptInputs))
+            foreach (var rb in RadioButtonInputs)
                 rb.IsEnabled = false;
         }
 
         private void UnlockInputs() {
-            foreach (var tb in Utils.FindVisualChilds<TextBox>(this, ExemptInputs))
+            foreach (var tb in TextBoxInputs)
                 tb.IsReadOnly = false;
-            foreach (var cb in Utils.FindVisualChilds<ComboBox>(this, ExemptInputs))
+            foreach (var cb in ComboBoxInputs)
                 cb.IsEnabled = true;
-            foreach (var cb in Utils.FindVisualChilds<CheckBox>(this, ExemptInputs))
+            foreach (var cb in CheckBoxInputs)
                 cb.IsEnabled = true;
-            foreach (var rb in Utils.FindVisualChilds<RadioButton>(this, ExemptInputs))
+            foreach (var rb in RadioButtonInputs)
                 rb.IsEnabled = true;
         }
 
@@ -407,13 +415,13 @@ namespace WGneu.Windows {
         }
 
         private void FillOriginalValues() {
-            foreach (var tb in Utils.FindVisualChilds<TextBox>(this, ExemptInputs))
+            foreach (var tb in TextBoxInputs)
                 OriginalValues[tb] = tb.Text;
-            foreach (var cb in Utils.FindVisualChilds<ComboBox>(this, ExemptInputs))
+            foreach (var cb in ComboBoxInputs)
                 OriginalValues[cb] = cb.SelectedItem;
-            foreach (var cb in Utils.FindVisualChilds<CheckBox>(this, ExemptInputs))
+            foreach (var cb in CheckBoxInputs)
                 OriginalValues[cb] = (cb.IsChecked ?? false) ? bool.TrueString : null;
-            foreach (var rb in Utils.FindVisualChilds<RadioButton>(this, ExemptInputs))
+            foreach (var rb in RadioButtonInputs)
                 OriginalValues[rb] = (rb.IsChecked ?? false) ? bool.TrueString : null;
         }
 
@@ -421,24 +429,23 @@ namespace WGneu.Windows {
             Menu_Member_SendEmail.IsEnabled = false;
             AreaCommitment.Text = "- m²";
             OriginalValues.Clear();
-            foreach (var tb in Utils.FindVisualChilds<TextBox>(this, ExemptInputs)) {
+            foreach (var tb in TextBoxInputs) {
                 tb.Text = " ";
                 tb.Text = "";
             }
-            foreach (var cb in Utils.FindVisualChilds<ComboBox>(this, ExemptInputs)) {
+            foreach (var cb in ComboBoxInputs) {
                 cb.SelectedItem = null;
                 if (cb.ItemsSource != null)
                     Utils.SetInputInvalid(cb);
             }
-            foreach (var cb in Utils.FindVisualChilds<CheckBox>(this, ExemptInputs))
+            foreach (var cb in CheckBoxInputs)
                 cb.IsChecked = false;
-            foreach (var rb in Utils.FindVisualChilds<RadioButton>(this, ExemptInputs))
+            foreach (var rb in RadioButtonInputs)
                 rb.IsChecked = false;
         }
 
         private bool IsValid() {
-            return Valid.All(kv => kv.Value) &&
-                Utils.FindVisualChilds<ComboBox>(this, ExemptInputs).All(cb => cb.ItemsSource == null || cb.SelectedItem != null);
+            return Valid.All(kv => kv.Value) && ComboBoxInputs.All(cb => cb.ItemsSource == null || cb.SelectedItem != null);
         }
 
         private void UpdateButtons() {
@@ -466,10 +473,10 @@ namespace WGneu.Windows {
 
         private bool HasChanged() {
             return !IsValid() ||
-                Utils.FindVisualChilds<TextBox>(this, ExemptInputs).Any(InputHasChanged) ||
-                Utils.FindVisualChilds<ComboBox>(this, ExemptInputs).Any(InputHasChanged) ||
-                Utils.FindVisualChilds<CheckBox>(this, ExemptInputs).Any(InputHasChanged) ||
-                Utils.FindVisualChilds<RadioButton>(this, ExemptInputs).Any(InputHasChanged);
+                TextBoxInputs.Any(InputHasChanged) ||
+                ComboBoxInputs.Any(InputHasChanged) ||
+                CheckBoxInputs.Any(InputHasChanged) ||
+                RadioButtonInputs.Any(InputHasChanged);
         }
 
         private void UpdatePlz(TextBox plzInput, ComboBox ortInput, bool optional) {