From 44ac6463f8e4b37752d65b2df2cf9a4b17575bfd Mon Sep 17 00:00:00 2001
From: Thomas Hilscher <thomas.hilscher@gmail.com>
Date: Tue, 21 Mar 2023 22:10:44 +0100
Subject: [PATCH] Rename ContractWindow to AreaCommAdminWindow

---
 Elwig/Windows/AreaCommAdminWindow.xaml    | 108 +++++++++
 Elwig/Windows/AreaCommAdminWindow.xaml.cs | 273 ++++++++++++++++++++++
 Elwig/Windows/ContractListWindow.xaml     |  21 --
 Elwig/Windows/ContractListWindow.xaml.cs  |  30 ---
 Elwig/Windows/MemberAdminWindow.xaml.cs   |   2 +-
 5 files changed, 382 insertions(+), 52 deletions(-)
 create mode 100644 Elwig/Windows/AreaCommAdminWindow.xaml
 create mode 100644 Elwig/Windows/AreaCommAdminWindow.xaml.cs
 delete mode 100644 Elwig/Windows/ContractListWindow.xaml
 delete mode 100644 Elwig/Windows/ContractListWindow.xaml.cs

diff --git a/Elwig/Windows/AreaCommAdminWindow.xaml b/Elwig/Windows/AreaCommAdminWindow.xaml
new file mode 100644
index 0000000..a000682
--- /dev/null
+++ b/Elwig/Windows/AreaCommAdminWindow.xaml
@@ -0,0 +1,108 @@
+<Window x:Class="Elwig.Windows.AreaCommAdminWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:Elwig.Windows"
+        mc:Ignorable="d"
+        Title="Flächenbindugen - Elwig" Height="600" Width="850"
+        Loaded="Window_Loaded">
+    <Window.Resources>
+        <Style TargetType="Label">
+            <Setter Property="HorizontalAlignment" Value="Left"/>
+            <Setter Property="VerticalAlignment" Value="Top"/>
+            <Setter Property="Padding" Value="2,4,2,4"/>
+            <Setter Property="Height" Value="25"/>
+        </Style>
+        <Style TargetType="TextBox">
+            <Setter Property="HorizontalAlignment" Value="Stretch"/>
+            <Setter Property="VerticalAlignment" Value="Top"/>
+            <Setter Property="FontSize" Value="14"/>
+            <Setter Property="Padding" Value="2"/>
+            <Setter Property="IsReadOnly" Value="True"/>
+            <Setter Property="Height" Value="25"/>
+            <Setter Property="TextWrapping" Value="NoWrap"/>
+        </Style>
+        <Style TargetType="ComboBox">
+            <Setter Property="IsEnabled" Value="False"/>
+            <Setter Property="Height" Value="25"/>
+            <Setter Property="FontSize" Value="14"/>
+            <Setter Property="HorizontalAlignment" Value="Stretch"/>
+            <Setter Property="VerticalAlignment" Value="Top"/>
+        </Style>
+        <Style TargetType="Button">
+            <Setter Property="FontSize" Value="14"/>
+            <Setter Property="Padding" Value="9,3"/>
+            <Setter Property="Height" Value="27"/>
+        </Style>
+    </Window.Resources>
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="19"/>
+            <RowDefinition Height="1*"/>
+        </Grid.RowDefinitions>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="370"/>
+            <ColumnDefinition Width="1*"/>
+        </Grid.ColumnDefinitions>
+
+        <Menu Grid.ColumnSpan="3" BorderThickness="0,0,0,1" BorderBrush="LightGray" Background="White">
+            <MenuItem Header="Flächenbindugen"/>
+        </Menu>
+
+        <Grid Grid.RowSpan="4" Grid.Row="1">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="125"/>
+                <ColumnDefinition Width="120"/>
+                <ColumnDefinition Width="125"/>
+            </Grid.ColumnDefinitions>
+
+            <DataGrid x:Name="AreaCommitmentList" AutoGenerateColumns="False" HeadersVisibility="Column" IsReadOnly="True" GridLinesVisibility="None" SelectionMode="Single"
+                  CanUserDeleteRows="False" CanUserResizeRows="False" CanUserAddRows="False" SelectionChanged="AreaCommitmentList_SelectionChanged" Grid.Column="0" Grid.Row="1"
+                  Margin="10,10,10,47" FontSize="14" Grid.ColumnSpan="3">
+                <DataGrid.Columns>
+                    <DataGridTextColumn Header="Gemeinde"   Binding="{Binding Kg.Kg.Name}"  Width="5*"/>
+                    <DataGridTextColumn Header="Ried"       Binding="{Binding Rd.Name}"  Width="5*"/>
+                    <DataGridTextColumn Header="Parzelle"   Binding="{Binding GstNr}"    Width="3*"/>
+                </DataGrid.Columns>
+            </DataGrid>
+
+            <Button x:Name="NewAreaCommitmentButton" Content="Neu" Click="NewAreaCommitmentButton_Click"
+                    HorizontalAlignment="Left" VerticalAlignment="Bottom" Margin="10,10,0,10" Width="110" Grid.Column="0"/>
+            <Button x:Name="EditAreaCommitmentButton" Content="Bearbeiten" Click="EditAreaCommitmentButton_Click" IsEnabled="False"
+                    HorizontalAlignment="Center" VerticalAlignment="Bottom" Margin="0,10,0,10" Width="110" Grid.Column="1"/>
+            <Button x:Name="DeleteAreaCommitmentButton" Content="Löschen" Click="DeleteAreaCommitmentButton_Click" IsEnabled="False"
+                    HorizontalAlignment="Right" VerticalAlignment="Bottom" Margin="0,10,10,10" Width="110" Grid.Column="2"/>
+
+            <Button x:Name="SaveButton" Content="Speichern" Click="SaveButton_Click" IsEnabled="False" Visibility="Hidden"
+                    HorizontalAlignment="Left" VerticalAlignment="Bottom" Margin="10,10,0,10" Width="110" Grid.Column="0"/>
+            <Button x:Name="ResetButton" Content="Zurücksetzen" Click="ResetButton_Click" IsEnabled="False" Visibility="Hidden"
+                    HorizontalAlignment="Center" VerticalAlignment="Bottom" Margin="0,10,0,10" Width="110" Grid.Column="1"/>
+            <Button x:Name="CancelButton" Content="Abbrechen" Click="CancelButton_Click" IsEnabled="False" Visibility="Hidden" IsCancel="True"
+                    HorizontalAlignment="Right" VerticalAlignment="Bottom" Margin="0,10,10,10" Width="110" Grid.Column="2"/>
+        </Grid>
+
+
+
+        <GroupBox Header="Lage" Grid.Column="1" Grid.Row="1" Grid.RowSpan="2" Margin="5,5,5,5">
+            <Grid>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="80"/>
+                    <ColumnDefinition Width="*"/>
+                </Grid.ColumnDefinitions>
+
+                <Label Content="Gemeinde:" Margin="10,10,0,0" Grid.Column="0"/>
+                <ComboBox x:Name="KgInput" ItemTemplate="{StaticResource KgTemplate}" TextSearch.TextPath="Name"
+                          Width="200" HorizontalAlignment="Left"
+                          Margin="0,10,10,0" Grid.Column="1"/>
+                <Label Content="Ried:" Margin="10,40,0,0" Grid.Column="0"/>
+                <ComboBox x:Name="RdInput" ItemTemplate="{StaticResource KgTemplate}" TextSearch.TextPath="Name"
+                          Width="200" HorizontalAlignment="Left"
+                          Margin="0,40,0,0" Grid.Column="1"/>
+                <Label Content="Parzelle:" Margin="10,70,0,0" Grid.Column="0"/>
+                <TextBox x:Name="GstNr" Margin="0,70,0,0" Width="100" Grid.Column="1" TextAlignment="Right" HorizontalAlignment="Left"/>
+            </Grid>
+        </GroupBox>
+
+    </Grid>
+</Window>
diff --git a/Elwig/Windows/AreaCommAdminWindow.xaml.cs b/Elwig/Windows/AreaCommAdminWindow.xaml.cs
new file mode 100644
index 0000000..56a9b7a
--- /dev/null
+++ b/Elwig/Windows/AreaCommAdminWindow.xaml.cs
@@ -0,0 +1,273 @@
+using Microsoft.EntityFrameworkCore;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+using System.Windows.Controls;
+using Elwig.Helpers;
+using Elwig.Models;
+using System.Runtime.CompilerServices;
+using System;
+
+namespace Elwig.Windows {
+    public partial class AreaCommAdminWindow : Window {
+        private readonly AppDbContext Context = new();
+        private readonly Member member;
+        private bool IsEditing = false;
+        private bool IsCreating = false;
+        private IEnumerable<TextBox> TextBoxInputs = Array.Empty<TextBox>();
+        private IEnumerable<ComboBox> ComboBoxInputs = Array.Empty<ComboBox>();
+        private readonly Dictionary<Control, bool> Valid = new();
+        private readonly Dictionary<Control, object?> OriginalValues = new();
+
+        public AreaCommAdminWindow(Member member) {
+            InitializeComponent();
+            this.member = member;
+            this.Title = $"Flächenbindungen von {member.FamilyName} {member.GivenName} - Elwig";
+            RefreshAreaCommitmentList();
+        }
+
+        private void Window_Loaded(object sender, RoutedEventArgs e) {
+            KgInput.ItemsSource = Context.WbKgs.Select(k => k.Kg).OrderBy(k => k.Name).ToList();
+            RdInput.ItemsSource = Context.WbRde.OrderBy(r => r.Name).ToList();
+        }
+
+        private void RefreshAreaCommitmentList() {
+            Context.AreaCommitments.Load();
+            List<AreaCommitment> commitments = Context.AreaCommitments.Where(a => a.Contract.MgNr == member.MgNr).ToList();
+
+            AreaCommitmentList.ItemsSource = commitments;
+            if (commitments.Count == 1)
+                AreaCommitmentList.SelectedIndex = 0;
+        }
+
+        private void RefreshInputs(bool validate = false) {
+            ClearInputStates();
+            AreaCommitment a = (AreaCommitment)AreaCommitmentList.SelectedItem;
+            if (a != null) {
+                //EditMemberButton.IsEnabled = true;
+                //DeleteMemberButton.IsEnabled = true;
+                //AreaCommitmentButton.IsEnabled = true;
+                FillInputs(a);
+            } else {
+                //EditMemberButton.IsEnabled = false;
+                //DeleteMemberButton.IsEnabled = false;
+                //AreaCommitmentButton.IsEnabled = false;
+                ClearInputs();
+            }
+            //if (!validate) ClearInputStates();
+            GC.Collect();
+        }
+
+        private void FillInputs(AreaCommitment a) {
+            OriginalValues.Clear();
+
+            KgInput.SelectedItem = a.Kg.Kg;
+            RdInput.SelectedItem = a.Rd;
+            GstNr.Text = a.GstNr;
+
+            FillOriginalValues();
+        }
+
+        private void FillOriginalValues() {
+            foreach (var tb in TextBoxInputs)
+                OriginalValues[tb] = tb.Text;
+            foreach (var cb in ComboBoxInputs)
+                OriginalValues[cb] = cb.SelectedItem;
+        }
+
+        private void ClearInputStates() {
+            foreach (var tb in TextBoxInputs)
+                Utils.ClearInputState(tb);
+            foreach (var cb in ComboBoxInputs)
+                Utils.ClearInputState(cb);
+        }
+
+        private void ClearInputs() {
+            OriginalValues.Clear();
+            foreach (var tb in TextBoxInputs) {
+                tb.Text = " ";
+                tb.Text = "";
+            }
+            foreach (var cb in ComboBoxInputs) {
+                cb.SelectedItem = null;
+                if (cb.ItemsSource != null)
+                    Utils.SetInputInvalid(cb);
+            }
+        }
+
+        private void NewAreaCommitmentButton_Click(object sender, RoutedEventArgs evt) {
+            IsCreating = true;
+            AreaCommitmentList.IsEnabled = false;
+            AreaCommitmentList.SelectedItem = null;
+            HideNewEditDeleteButtons();
+            ShowSaveResetCancelButtons();
+            UnlockInputs();
+            InitInputs();
+        }
+
+        private void EditAreaCommitmentButton_Click(object sender, RoutedEventArgs evt) {
+            if (AreaCommitmentList.SelectedItem == null)
+                return;
+
+            IsEditing = true;
+            AreaCommitmentList.IsEnabled = false;
+
+            HideNewEditDeleteButtons();
+            ShowSaveResetCancelButtons();
+            UnlockInputs();
+        }
+
+        private void DeleteAreaCommitmentButton_Click(object sender, RoutedEventArgs evt) {
+            AreaCommitment a = (AreaCommitment)AreaCommitmentList.SelectedItem;
+            if (a == null) return;
+
+            var r = MessageBox.Show(
+                $"Soll die Flächenbindung \"{a.Kg.Kg.Name}, {a.Rd.Name}\", (MgNr. {a.GstNr}) wirklich unwiderruflich gelöscht werden?",
+                "Mitglied löschen", MessageBoxButton.YesNo, MessageBoxImage.Warning, MessageBoxResult.No);
+            if (r == MessageBoxResult.Yes) {
+                Context.Remove(a);
+                Context.SaveChanges();
+                RefreshAreaCommitmentList();
+            }
+        }
+
+        private void SaveButton_Click(object sender, RoutedEventArgs evt) {
+            AreaCommitment? a = new();
+            if (IsEditing)
+                a = (AreaCommitment)AreaCommitmentList.SelectedItem;
+            else if (IsCreating)
+                a = new();
+
+            a.KgNr = ((AT_Kg)KgInput.SelectedItem).KgNr;
+            a.RdNr = ((WbRd)RdInput.SelectedItem).RdNr;
+            a.GstNr = GstNr.Text;
+
+            try {
+                if (IsEditing)
+                    Context.Update(a);
+                else if (IsCreating)
+                    Context.Add(a);
+                Context.SaveChanges();
+            } catch (Exception exc) {
+                var str = "Der Eintrag konnte nicht in der Datenbank aktualisiert werden!\n\n" + exc.Message;
+                if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
+                MessageBox.Show(str, "Flächenbindung aktualisieren", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+
+            IsEditing = false;
+            IsCreating = false;
+            AreaCommitmentList.IsEnabled = true;
+            HideSaveResetCancelButtons();
+            ShowNewEditDeleteButtons();
+            LockInputs();
+            RefreshAreaCommitmentList();
+        }
+
+        private void ResetButton_Click(object sender, RoutedEventArgs evt) {
+            if (IsEditing) {
+                RefreshInputs();
+            } else if (IsCreating) {
+                InitInputs();
+            }
+            UpdateButtons();
+        }
+
+        private void CancelButton_Click(object sender, RoutedEventArgs evt) {
+            IsEditing = false;
+            IsCreating = false;
+            AreaCommitmentList.IsEnabled = true;
+            HideSaveResetCancelButtons();
+            ShowNewEditDeleteButtons();
+            RefreshInputs();
+            ClearInputStates();
+            LockInputs();
+        }
+
+        private void LockInputs() {
+            foreach (var tb in TextBoxInputs)
+                tb.IsReadOnly = true;
+            foreach (var cb in ComboBoxInputs)
+                cb.IsEnabled = false;
+        }
+
+        private void UnlockInputs() {
+            foreach (var tb in TextBoxInputs)
+                tb.IsReadOnly = false;
+            foreach (var cb in ComboBoxInputs)
+                cb.IsEnabled = true;
+        }
+
+        private void UpdateButtons() {
+            if (!IsEditing && !IsCreating) return;
+            bool ch = HasChanged(), v = IsValid();
+            ResetButton.IsEnabled = (ch);
+            SaveButton.IsEnabled = (v && ch);
+        }
+
+        private void InitInputs() {
+            FillOriginalValues();
+        }
+
+        private bool HasChanged() {
+            return !IsValid() ||
+                TextBoxInputs.Any(InputHasChanged) ||
+                ComboBoxInputs.Any(InputHasChanged);
+        }
+
+        private bool InputHasChanged(Control input) {
+            if (!OriginalValues.ContainsKey(input)) {
+                return false;
+            } else if (input is TextBox tb) {
+                return OriginalValues[tb]?.ToString() != tb.Text;
+            } else if (input is ComboBox sb) {
+                return OriginalValues[sb] != sb.SelectedItem;
+            } else {
+                return false;
+            }
+        }
+
+        private bool IsValid() {
+            return Valid.All(kv => kv.Value) && ComboBoxInputs.All(cb => cb.ItemsSource == null || cb.SelectedItem != null);
+        }
+
+        private void ShowSaveResetCancelButtons() {
+            SaveButton.IsEnabled = false;
+            ResetButton.IsEnabled = false;
+            CancelButton.IsEnabled = true;
+            SaveButton.Visibility = Visibility.Visible;
+            ResetButton.Visibility = Visibility.Visible;
+            CancelButton.Visibility = Visibility.Visible;
+        }
+
+        private void HideSaveResetCancelButtons() {
+            SaveButton.IsEnabled = false;
+            ResetButton.IsEnabled = false;
+            CancelButton.IsEnabled = false;
+            SaveButton.Visibility = Visibility.Hidden;
+            ResetButton.Visibility = Visibility.Hidden;
+            CancelButton.Visibility = Visibility.Hidden;
+        }
+
+        private void ShowNewEditDeleteButtons() {
+            NewAreaCommitmentButton.IsEnabled = true;
+            EditAreaCommitmentButton.IsEnabled = AreaCommitmentList.SelectedItem != null;
+            DeleteAreaCommitmentButton.IsEnabled = AreaCommitmentList.SelectedItem != null;
+            NewAreaCommitmentButton.Visibility = Visibility.Visible;
+            EditAreaCommitmentButton.Visibility = Visibility.Visible;
+            DeleteAreaCommitmentButton.Visibility = Visibility.Visible;
+        }
+
+        private void HideNewEditDeleteButtons() {
+            NewAreaCommitmentButton.IsEnabled = false;
+            EditAreaCommitmentButton.IsEnabled = false;
+            DeleteAreaCommitmentButton.IsEnabled = false;
+            NewAreaCommitmentButton.Visibility = Visibility.Hidden;
+            EditAreaCommitmentButton.Visibility = Visibility.Hidden;
+            DeleteAreaCommitmentButton.Visibility = Visibility.Hidden;
+        }
+
+        private void AreaCommitmentList_SelectionChanged(object sender, SelectionChangedEventArgs evt) {
+            RefreshInputs();
+        }
+    }
+}
diff --git a/Elwig/Windows/ContractListWindow.xaml b/Elwig/Windows/ContractListWindow.xaml
deleted file mode 100644
index b6cfdd4..0000000
--- a/Elwig/Windows/ContractListWindow.xaml
+++ /dev/null
@@ -1,21 +0,0 @@
-<Window x:Class="Elwig.Windows.ContractListWindow"
-        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:local="clr-namespace:Elwig.Windows"
-        mc:Ignorable="d"
-        Title="Flächenbindungen" Height="450" Width="800">
-    <Grid>
-        <DataGrid x:Name="ContractList" AutoGenerateColumns="False" HeadersVisibility="Column" IsReadOnly="True" GridLinesVisibility="None" SelectionMode="Single"
-                      CanUserDeleteRows="False" CanUserResizeRows="False" CanUserAddRows="False" SelectionChanged="ContractList_SelectionChanged">
-            <DataGrid.Columns>
-                <DataGridTextColumn Header="Vnr."    Binding="{Binding Vnr}"       Width="50"/>
-                <DataGridTextColumn Header="MgNr." Binding="{Binding MgNr}" Width="50"/>
-                <DataGridTextColumn Header="From"  Binding="{Binding YearFrom}"  Width="50"/>
-                <DataGridTextColumn Header="To"  Binding="{Binding YearTo}"  Width="*"/>
-            </DataGrid.Columns>
-        </DataGrid>
-
-    </Grid>
-</Window>
diff --git a/Elwig/Windows/ContractListWindow.xaml.cs b/Elwig/Windows/ContractListWindow.xaml.cs
deleted file mode 100644
index 4c88f7d..0000000
--- a/Elwig/Windows/ContractListWindow.xaml.cs
+++ /dev/null
@@ -1,30 +0,0 @@
-using Microsoft.EntityFrameworkCore;
-using System.Collections.Generic;
-using System.Linq;
-using System.Windows;
-using System.Windows.Controls;
-using Elwig.Helpers;
-using Elwig.Models;
-
-namespace Elwig.Windows {
-    public partial class ContractListWindow : Window {
-        private readonly AppDbContext Context = new();
-
-        public ContractListWindow(Member member) {
-            InitializeComponent();
-        }
-
-        private void RefreshContractList() {
-            Context.Members.Load();
-            List<Contract> contracts = Context.Contracts.OrderBy(c => c.MgNr).ToList();
-
-            ContractList.ItemsSource = contracts;
-            if (contracts.Count == 1)
-                ContractList.SelectedIndex = 0;
-        }
-
-        private void ContractList_SelectionChanged(object sender, SelectionChangedEventArgs evt) {
-            RefreshContractList();
-        }
-    }
-}
diff --git a/Elwig/Windows/MemberAdminWindow.xaml.cs b/Elwig/Windows/MemberAdminWindow.xaml.cs
index 510bc40..05229bb 100644
--- a/Elwig/Windows/MemberAdminWindow.xaml.cs
+++ b/Elwig/Windows/MemberAdminWindow.xaml.cs
@@ -214,7 +214,7 @@ namespace Elwig.Windows {
         }
 
         private void AreaCommitmentButton_Click(object sender, RoutedEventArgs evt) {
-            var w = new AreaCommitmentWindow((Member)MemberList.SelectedItem);
+            var w = new AreaCommAdminWindow((Member)MemberList.SelectedItem);
             w.Show();
         }