From 577a3a0a6372975d55cbba19306cf4b2a9797ca1 Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Thu, 25 May 2023 20:48:48 +0200
Subject: [PATCH] Update DeliveryAdminWindow

---
 Elwig/Models/WineQualLevel.cs             | 21 +++++++-
 Elwig/Windows/AdministrationWindow.cs     |  8 +++
 Elwig/Windows/DeliveryAdminWindow.xaml    |  9 ++--
 Elwig/Windows/DeliveryAdminWindow.xaml.cs | 60 ++++++++++++++++-------
 4 files changed, 76 insertions(+), 22 deletions(-)

diff --git a/Elwig/Models/WineQualLevel.cs b/Elwig/Models/WineQualLevel.cs
index 144051b..9609f9d 100644
--- a/Elwig/Models/WineQualLevel.cs
+++ b/Elwig/Models/WineQualLevel.cs
@@ -1,10 +1,13 @@
 using Elwig.Helpers;
 using Microsoft.EntityFrameworkCore;
+using System;
 using System.ComponentModel.DataAnnotations.Schema;
+using System.Configuration;
+using System.Security.Cryptography.Pkcs;
 
 namespace Elwig.Models {
     [Table("wine_quality_level"), PrimaryKey("QualId")]
-    public class WineQualLevel {
+    public class WineQualLevel : IEquatable<WineQualLevel> {
         [Column("qualid")]
         public string QualId { get; private set; }
 
@@ -24,5 +27,21 @@ namespace Elwig.Models {
         public string Name { get; private set; }
 
         public string MinKmwStr => (MinKmw == null) ? "" : $"(mind. {MinKmw:#.0}°)";
+
+        public override bool Equals(object? obj) {
+            return Equals(obj as WineQualLevel);
+        }
+
+        public bool Equals(WineQualLevel? obj) {
+            return QualId == obj?.QualId;
+        }
+
+        public static bool operator ==(WineQualLevel? q1, WineQualLevel? q2) {
+            return q1?.Equals(q2) ?? Equals(q1, q2);
+        }
+
+        public static bool operator !=(WineQualLevel? q1, WineQualLevel? q2) {
+            return !(q1?.Equals(q2) ?? Equals(q1, q2));
+        }
     }
 }
diff --git a/Elwig/Windows/AdministrationWindow.cs b/Elwig/Windows/AdministrationWindow.cs
index 80bed34..7b190cb 100644
--- a/Elwig/Windows/AdministrationWindow.cs
+++ b/Elwig/Windows/AdministrationWindow.cs
@@ -153,6 +153,14 @@ namespace Elwig.Windows {
                 OriginalValues[rb] = (rb.IsChecked ?? false) ? bool.TrueString : null;
         }
 
+        protected void SetOriginalValue(Control input, object? value) {
+            OriginalValues[input] = value;
+        }
+
+        protected void UnsetOriginalValue(Control input) {
+            OriginalValues.Remove(input);
+        }
+
         protected void ClearInputs() {
             foreach (var tb in TextBoxInputs)
                 tb.Text = "";
diff --git a/Elwig/Windows/DeliveryAdminWindow.xaml b/Elwig/Windows/DeliveryAdminWindow.xaml
index a6cc01d..2e2a1de 100644
--- a/Elwig/Windows/DeliveryAdminWindow.xaml
+++ b/Elwig/Windows/DeliveryAdminWindow.xaml
@@ -84,7 +84,8 @@
                           SelectionChanged="MemberInput_SelectionChanged"/>
 
                 <Label Content="Wohnort:" Margin="10,38,0,0" Grid.Column="0"/>
-                <TextBox x:Name="MemberAddressField" Grid.Row="1" Grid.Column="1" Margin="0,40,10,10" FontSize="12" Height="22" IsReadOnly="True"/>
+                <TextBox x:Name="MemberAddressField" Grid.Row="1" Grid.Column="1" Margin="0,40,10,10" FontSize="12" Height="22"
+                         IsReadOnly="True" IsTabStop="False"/>
             </Grid>
         </GroupBox>
 
@@ -97,14 +98,14 @@
 
                 <Label Content="LieferscheinNr.:" Margin="10,10,0,0" Grid.Column="0"/>
                 <TextBox x:Name="LsNrInput" Width="126" Grid.Column="1" HorizontalAlignment="Left" Margin="0,10,0,0"
-                         IsReadOnly="True"/>
+                         IsReadOnly="True" IsTabStop="False"/>
 
                 <Label Content="Datum/Uhrzeit:" Margin="10,40,0,0" Grid.Column="0"/>
                 <TextBox x:Name="DateInput" Width="77" Grid.Column="1" HorizontalAlignment="Left" Margin="0,40,0,0"
-                         IsReadOnly="True"
+                         IsReadOnly="True" IsTabStop="False"
                          TextChanged="DateInput_TextChanged"/>
                 <TextBox x:Name="TimeInput" Width="44" Grid.Column="1" HorizontalAlignment="Left" Margin="82,40,0,0"
-                         IsReadOnly="True"/>
+                         IsReadOnly="True" IsTabStop="False"/>
 
                 <Label Content="Zweigstelle:" Margin="10,70,0,0" Grid.Column="0"/>
                 <ComboBox x:Name="BranchInput" Width="126" Margin="0,70,10,0" Grid.Column="1" HorizontalAlignment="Left"
diff --git a/Elwig/Windows/DeliveryAdminWindow.xaml.cs b/Elwig/Windows/DeliveryAdminWindow.xaml.cs
index 58ec6b0..bcd8537 100644
--- a/Elwig/Windows/DeliveryAdminWindow.xaml.cs
+++ b/Elwig/Windows/DeliveryAdminWindow.xaml.cs
@@ -14,8 +14,7 @@ namespace Elwig.Windows {
     public partial class DeliveryAdminWindow : AdministrationWindow {
 
         private bool IsUpdatingGradation = false;
-
-        private DispatcherTimer dispatcherTimer;
+        private readonly DispatcherTimer Timer;
 
         public DeliveryAdminWindow() {
             InitializeComponent();
@@ -31,10 +30,10 @@ namespace Elwig.Windows {
                 MemberAddressField
             };
 
-            dispatcherTimer = new DispatcherTimer();
-            dispatcherTimer.Tick += new EventHandler(OnSecondPassed);
-            dispatcherTimer.Interval = new TimeSpan(0, 0, 1);
-            dispatcherTimer.Start();
+            Timer = new DispatcherTimer();
+            Timer.Tick += new EventHandler(OnSecondPassed);
+            Timer.Interval = new TimeSpan(0, 0, 1);
+            Timer.Start();
         }
 
         private void Window_Loaded(object sender, RoutedEventArgs evt) {
@@ -61,7 +60,10 @@ namespace Elwig.Windows {
             Utils.RenewItemsSource(WineQualityLevelInput, await Context.WineQualityLevels.ToListAsync(), i => (i as WineQualLevel)?.QualId);
             Utils.RenewItemsSource(ModifiersInput, await Context.Modifiers.Where(m => m.Season.Year == 2022).OrderBy(m => m.Name).ToListAsync(), i => (i as Modifier)?.ModId);
             Utils.RenewItemsSource(WineOriginInput, (await Context.WineOrigins.ToListAsync()).OrderByDescending(o => o.SortKey).ThenBy(o => o.HkId), i => (i as WineOrigin)?.HkId);
-            Utils.RenewItemsSource(WineKgInput, await Context.WbKgs.Select(k => k.AtKg).OrderBy(k => k.Name).ToListAsync(), i => (i as AT_Kg)?.KgNr);
+            var kgList = await Context.WbKgs.Select(k => k.AtKg).OrderBy(k => k.Name).Cast<object>().ToListAsync();
+            kgList.Insert(0, new NullItem());
+            Utils.RenewItemsSource(WineKgInput, kgList, i => (i as AT_Kg)?.KgNr);
+            if (WineKgInput.SelectedItem == null) WineKgInput.SelectedIndex = 0;
             UpdateWineQualityLevels();
             UpdateRdInput();
         }
@@ -80,14 +82,20 @@ namespace Elwig.Windows {
             var m = MemberInput.SelectedItem as Member;
             if (m != null) MgNrInput.Text = m.MgNr.ToString();
             MemberAddressField.Text = m?.FullAddress;
-            WineKgInput.SelectedItem = m?.DefaultKg;
+            if (m == null) {
+                UnsetOriginalValue(WineKgInput);
+                WineKgInput.SelectedIndex = 0;
+            } else {
+                SetOriginalValue(WineKgInput, m.DefaultKg);
+                WineKgInput.SelectedItem = m.DefaultKg;
+            }
         }
 
         private void DateInput_TextChanged(object sender, TextChangedEventArgs evt) {
             var branch = (Branch)BranchInput.SelectedItem;
             var date = DateOnly.ParseExact(DateInput.Text, "dd.MM.yyyy");
             var lnr = Context.NextLNr(date).GetAwaiter().GetResult();
-            LsNrInput.Text = $"{date.ToString("yyyyMMdd")}{branch.ZwstId}{lnr:000}";
+            LsNrInput.Text = $"{date:yyyyMMdd}{branch.ZwstId}{lnr:000}";
         }
 
         private void UpdateWineVariety(bool valid) {
@@ -119,10 +127,16 @@ namespace Elwig.Windows {
         }
 
         private void UpdateWineQualityLevels() {
+            if (!GetInputValid(GradationKmwInput)) {
+                UnsetOriginalValue(WineQualityLevelInput);
+                WineQualityLevelInput.ItemsSource = null;
+                return;
+            }
             var kmw = double.Parse(GradationKmwInput.Text);
             WineQualityLevelInput.ItemsSource = Context.WineQualityLevels.Where(q => q.MinKmw == null || q.MinKmw <= kmw).ToList();
+            var qual = Context.WineQualityLevels.Where(q => !q.IsPredicate && (q.MinKmw == null || q.MinKmw <= kmw)).OrderBy(q => q.MinKmw).LastOrDefault();
+            SetOriginalValue(WineQualityLevelInput, qual);
             if (WineQualityLevelInput.SelectedItem == null || (WineQualityLevelInput.SelectedItem is WineQualLevel selected && !selected.IsPredicate)) {
-                var qual = Context.WineQualityLevels.Where(q => !q.IsPredicate && (q.MinKmw == null || q.MinKmw <= kmw)).OrderBy(q => q.MinKmw).LastOrDefault();
                 WineQualityLevelInput.SelectedItem = qual;
             }
         }
@@ -133,7 +147,6 @@ namespace Elwig.Windows {
             GradationKmwInput.Text = $"{Utils.OeToKmw(double.Parse(GradationOeInput.Text)):#.0}";
             GradationKmwInput.CaretIndex = caret;
             IsUpdatingGradation = false;
-            UpdateWineQualityLevels();
         }
 
         private void UpdateGradationOe() {
@@ -142,12 +155,15 @@ namespace Elwig.Windows {
             GradationOeInput.Text = $"{Utils.KmwToOe(double.Parse(GradationKmwInput.Text)):#}";
             GradationOeInput.CaretIndex = caret;
             IsUpdatingGradation = false;
-            UpdateWineQualityLevels();
         }
 
         private void GradationOeInput_TextChanged(object sender, TextChangedEventArgs evt) {
             var valid = InputTextChanged((TextBox)sender, Validator.CheckGradatoinOe);
-            if (valid && !IsUpdatingGradation) UpdateGradationKmw();
+            if (!IsUpdatingGradation) {
+                if (valid) UpdateGradationKmw();
+                else if (GradationOeInput.Text.Length == 0) GradationKmwInput.Text = "";
+                UpdateWineQualityLevels();
+            }
         }
 
         private void GradationOeInput_LostFocus(object sender, RoutedEventArgs evt) {
@@ -156,7 +172,11 @@ namespace Elwig.Windows {
 
         private void GradationKmwInput_TextChanged(object sender, TextChangedEventArgs evt) {
             var valid = InputTextChanged((TextBox)sender, Validator.CheckGradationKmw);
-            if (valid && !IsUpdatingGradation) UpdateGradationOe();
+            if (!IsUpdatingGradation) {
+                if (valid) UpdateGradationOe();
+                else if (GradationKmwInput.Text.Length == 0) GradationOeInput.Text = "";
+                UpdateWineQualityLevels();
+            }
         }
 
         private void GradationKmwInput_LostFocus(object sender, RoutedEventArgs evt) {
@@ -173,9 +193,13 @@ namespace Elwig.Windows {
         }
 
         private void UpdateWineOrigin() {
-            var qual = (WineQualLevel)WineQualityLevelInput.SelectedItem;
-            var kg = ((AT_Kg)WineKgInput.SelectedItem)?.WbKg;
-            if (qual == null || kg == null) return;
+            var qual = WineQualityLevelInput.SelectedItem as WineQualLevel;
+            var kg = (WineKgInput.SelectedItem as AT_Kg)?.WbKg;
+            if (qual == null || kg == null) {
+                WineOriginInput.IsEnabled = true;
+                return;
+            }
+            WineOriginInput.IsEnabled = false;
             var o = kg.Origin;
             while (o != null && o.Level > qual.OriginLevel) o = o.Parent;
             WineOriginInput.SelectedItem = o;
@@ -191,8 +215,10 @@ namespace Elwig.Windows {
                 list.Insert(0, new NullItem());
                 Utils.RenewItemsSource(WineRdInput, list, i => ((i as WbRd)?.KgNr, (i as WbRd)?.RdNr));
                 if (WineRdInput.SelectedItem == null) WineRdInput.SelectedIndex = 0;
+                WineRdInput.IsEnabled = list.Count > 1;
             } else {
                 WineRdInput.ItemsSource = null;
+                WineRdInput.IsEnabled = false;
             }
         }