Klassenbuch-Tab zum Dokumentations-Hub ausgebaut

Umschalter zwischen WebUntis-Klassenbuch und eigener Dokumentation statt
Merge beider strukturell unterschiedlicher Datensätze, mit Zahlen-Badges
je Quelle (kritisch/Nacharbeit hervorgehoben) im Tab und an der
"Klassenbuch öffnen"-Aktion der Übersicht.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

LehrerApp.Desktop/Views/ClassTeacher/ClassTeacherRegisterView.axaml

@@ -1,6 +1,7 @@
 <UserControl xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:vm="clr-namespace:LehrerApp.Desktop.ViewModels.ClassTeacher"
+             xmlns:svm="clr-namespace:LehrerApp.Desktop.ViewModels.Students"
              x:Class="LehrerApp.Desktop.Views.ClassTeacher.ClassTeacherRegisterView"
              x:DataType="vm:ClassTeacherDetailsViewModel">
 
@@ -26,19 +27,77 @@
     <Style Selector="TextBlock.status.danger">
       <Setter Property="Foreground" Value="{DynamicResource AppStatusDangerBrush}"/>
     </Style>
+    <Style Selector="Button.regSource">
+      <Setter Property="Background" Value="Transparent"/>
+      <Setter Property="BorderBrush" Value="{DynamicResource AppFilterBorderBrush}"/>
+      <Setter Property="BorderThickness" Value="1"/>
+      <Setter Property="CornerRadius" Value="6"/>
+      <Setter Property="Padding" Value="14,6"/>
+      <Setter Property="FontSize" Value="12"/>
+    </Style>
+    <Style Selector="Button.regSource.active">
+      <Setter Property="Background" Value="{DynamicResource AppFilterActiveBackgroundBrush}"/>
+      <Setter Property="BorderBrush" Value="{DynamicResource AppFilterActiveBorderBrush}"/>
+      <Setter Property="Foreground" Value="{DynamicResource AppFilterActiveForegroundBrush}"/>
+    </Style>
+    <Style Selector="Border.countBadge">
+      <Setter Property="Background" Value="{DynamicResource AppChipBackgroundBrush}"/>
+      <Setter Property="CornerRadius" Value="11"/>
+      <Setter Property="Padding" Value="9,3"/>
+    </Style>
+    <Style Selector="Border.countBadge.attention">
+      <Setter Property="Background" Value="#E53935"/>
+    </Style>
+    <Style Selector="Border.countBadge TextBlock">
+      <Setter Property="FontSize" Value="11"/>
+      <Setter Property="FontWeight" Value="SemiBold"/>
+    </Style>
+    <Style Selector="Border.countBadge.attention TextBlock">
+      <Setter Property="Foreground" Value="White"/>
+    </Style>
   </UserControl.Styles>
 
-  <Grid RowDefinitions="Auto,Auto,Auto,*,Auto" Margin="16" RowSpacing="10">
+  <Grid RowDefinitions="Auto,Auto,Auto,Auto,*,Auto" Margin="16" RowSpacing="10">
     <Grid Grid.Row="0" ColumnDefinitions="*,Auto">
       <StackPanel>
-        <TextBlock Text="Klassenbucheinträge" FontSize="22" FontWeight="SemiBold"/>
-        <TextBlock Text="Einträge anderer Lehrkräfte – nur zur Ansicht" FontSize="12" Opacity="0.55"/>
+        <TextBlock Text="Klassenbuch" FontSize="22" FontWeight="SemiBold"/>
+        <TextBlock Text="Einträge anderer Lehrkräfte – nur zur Ansicht" FontSize="12" Opacity="0.55"
+                   IsVisible="{Binding !ShowOwnDocumentation}"/>
+        <TextBlock Text="Eigene Dokumentation zu Schüler*innen dieser Klasse" FontSize="12" Opacity="0.55"
+                   IsVisible="{Binding ShowOwnDocumentation}"/>
       </StackPanel>
       <Button Grid.Column="1" Content="↻  Aus WebUntis aktualisieren" Command="{Binding RefreshCommand}"
               IsEnabled="{Binding !Busy}" Background="Transparent" Foreground="{DynamicResource AppAccentTextBrush}" VerticalAlignment="Center"/>
     </Grid>
 
-    <Border Grid.Row="1" Classes="filterCard">
+    <!-- Nutzer-Feedback: Klassenbuch-Tab als Dokumentations-Hub — Umschalter zwischen dem
+         WebUntis-Bericht anderer Lehrkräfte und der eigenen Dokumentation zu Schüler*innen dieser
+         Klasse, statt beide (strukturell unterschiedliche) Datensätze in eine Liste zu zwingen.
+         Zahlen-Badges links/rechts zeigen die Anzahl je Quelle, in Rot hervorgehoben, wenn kritische
+         bzw. nacharbeitsbedürftige Einträge dabei sind. -->
+    <StackPanel Grid.Row="1" Orientation="Horizontal" Spacing="10" HorizontalAlignment="Center">
+      <Border Classes="countBadge" Classes.attention="{Binding !!UntisCriticalCount}">
+        <TextBlock Text="{Binding Entries.Count, StringFormat='Klassenbuch: {0}'}"/>
+      </Border>
+      <Border Classes="countBadge" Classes.attention="{Binding !!UntisCriticalCount}" IsVisible="{Binding !!UntisCriticalCount}">
+        <TextBlock Text="{Binding UntisCriticalCount, StringFormat='davon kritisch: {0}'}"/>
+      </Border>
+      <Button Classes="regSource" Classes.active="{Binding !ShowOwnDocumentation}"
+              Content="Klassenbuch (Untis)" Command="{Binding ShowUntisRegisterCommand}"/>
+      <Button Classes="regSource" Classes.active="{Binding ShowOwnDocumentation}"
+              Content="Eigene Dokumentation" Command="{Binding ShowOwnDocsCommand}"/>
+      <Border Classes="countBadge">
+        <TextBlock Text="{Binding OwnDocumentationCount, StringFormat='Dokumentation: {0}'}"/>
+      </Border>
+      <Border Classes="countBadge attention" IsVisible="{Binding !!OwnDocumentationFollowUpCount}">
+        <TextBlock Text="{Binding OwnDocumentationFollowUpCount, StringFormat='Nacharbeit: {0}'}"/>
+      </Border>
+      <Border Classes="countBadge attention" IsVisible="{Binding !!OwnDocumentationCriticalCount}">
+        <TextBlock Text="{Binding OwnDocumentationCriticalCount, StringFormat='kritisch: {0}'}"/>
+      </Border>
+    </StackPanel>
+
+    <Border Grid.Row="2" Classes="filterCard">
       <Grid RowDefinitions="Auto,Auto" RowSpacing="8">
         <Grid Grid.Row="0" ColumnDefinitions="155,Auto,*,Auto,*" ColumnSpacing="8">
           <ComboBox Grid.Column="0" SelectedIndex="{Binding QuickRangeIndex, Mode=TwoWay}">
@@ -62,7 +121,7 @@
          Kategorie ("Hausaufgaben fehlen: 12× — 5× Ben Schmidt, 3× Ada Müller") ist die eigentlich
          interessante Information. Als Chip-Reihe statt eigener Spalte in der Tabelle, damit die
          bestehenden Spalten unangetastet bleiben. -->
-    <Border Grid.Row="2" Classes="filterCard" IsVisible="{Binding HasCategoryAggregates}">
+    <Border Grid.Row="3" Classes="filterCard" IsVisible="{Binding ShowCategoryAggregates}">
       <StackPanel Spacing="6">
         <TextBlock Text="Kategorien im Zeitraum" FontSize="12" FontWeight="SemiBold" Opacity="0.7"/>
         <ItemsControl ItemsSource="{Binding CategoryAggregates}">
@@ -86,7 +145,7 @@
       </StackPanel>
     </Border>
 
-    <Grid Grid.Row="3">
+    <Grid Grid.Row="4" IsVisible="{Binding !ShowOwnDocumentation}">
       <DataGrid ItemsSource="{Binding Entries}" AutoGenerateColumns="False" IsReadOnly="True"
                 GridLinesVisibility="Horizontal" BorderBrush="{DynamicResource AppCardBorderBrush}" BorderThickness="1"
                 CanUserResizeColumns="True" CanUserSortColumns="True" RowHeight="46">
@@ -105,6 +164,77 @@
         <TextBlock Text="Passe Zeitraum oder Schülerfilter an." FontSize="12" Opacity="0.55"/>
       </StackPanel>
     </Grid>
-    <TextBlock Grid.Row="4" Text="{Binding Status}" FontSize="11" Opacity="0.6"/>
+
+    <Grid Grid.Row="4" IsVisible="{Binding ShowOwnDocumentation}" RowDefinitions="Auto,*">
+      <Button Grid.Row="0" Content="＋ Eintrag" Command="{Binding AddOwnDocumentationCommand}"
+              HorizontalAlignment="Right" Margin="0,0,0,8"/>
+      <ScrollViewer Grid.Row="1">
+        <StackPanel>
+          <ItemsControl ItemsSource="{Binding OwnDocumentationEntries}">
+            <ItemsControl.ItemTemplate>
+              <DataTemplate DataType="svm:DocumentationItem">
+                <Border Background="{DynamicResource SystemControlBackgroundAltHighBrush}"
+                        CornerRadius="6" Padding="12,10" Margin="0,0,0,8">
+                  <StackPanel Spacing="4">
+                    <Grid ColumnDefinitions="80,*,Auto,Auto,Auto,Auto">
+                      <TextBlock Grid.Column="0" Text="{Binding DateDisplay}" Opacity="0.5" FontSize="12"/>
+                      <StackPanel Grid.Column="1" Margin="8,0">
+                        <StackPanel Orientation="Horizontal" Spacing="6">
+                          <Border Background="#FB8C00" CornerRadius="8" Padding="6,1"
+                                  IsVisible="{Binding IsDraft}">
+                            <TextBlock Text="ENTWURF" Foreground="White" FontSize="9" FontWeight="Bold"/>
+                          </Border>
+                          <TextBlock Text="{Binding StudentName}" FontWeight="SemiBold" FontSize="13"/>
+                          <TextBlock Text="{Binding Model.Title}" FontSize="13" Opacity="0.8"
+                                     IsVisible="{Binding IsRevealed}"/>
+                          <TextBlock Text="Vertraulich" FontSize="13" Opacity="0.6"
+                                     IsVisible="{Binding !IsRevealed}"/>
+                        </StackPanel>
+                        <TextBlock Text="{Binding TypeLabel}" FontSize="11" Opacity="0.5"/>
+                      </StackPanel>
+                      <TextBlock Grid.Column="2" Text="🔒" FontSize="14" VerticalAlignment="Center"
+                                 IsVisible="{Binding IsConfidential}" ToolTip.Tip="Vertraulich"/>
+                      <Button Grid.Column="3" Content="Anzeigen" FontSize="11" Padding="8,3" Margin="6,0,0,0"
+                              Command="{Binding RevealCommand}" IsVisible="{Binding !IsRevealed}"/>
+                      <StackPanel Grid.Column="4" Orientation="Horizontal" Spacing="4" Margin="6,0,0,0"
+                                  IsVisible="{Binding IsRevealed}">
+                        <Button Content="Bearbeiten" FontSize="11" Padding="8,3"
+                                Command="{Binding $parent[ItemsControl].((vm:ClassTeacherDetailsViewModel)DataContext).EditOwnDocumentationCommand}"
+                                CommandParameter="{Binding}"/>
+                        <Button Content="Löschen" FontSize="11" Padding="8,3"
+                                Command="{Binding $parent[ItemsControl].((vm:ClassTeacherDetailsViewModel)DataContext).DeleteOwnDocumentationCommand}"
+                                CommandParameter="{Binding}"/>
+                      </StackPanel>
+                    </Grid>
+                    <TextBlock Text="{Binding Model.Content}" FontSize="12" TextWrapping="Wrap" Opacity="0.8"
+                               IsVisible="{Binding IsRevealed}"/>
+                    <StackPanel Orientation="Horizontal" Spacing="8" IsVisible="{Binding IsRevealed}">
+                      <TextBlock Text="{Binding StatusLabel}" FontSize="11" Opacity="0.55"
+                                 IsVisible="{Binding StatusLabel, Converter={x:Static StringConverters.IsNotNullOrEmpty}}"/>
+                      <TextBlock Text="📎 Anhang" FontSize="11" Opacity="0.55" IsVisible="{Binding HasAttachments}"/>
+                    </StackPanel>
+                    <ItemsControl ItemsSource="{Binding TagChips}" IsVisible="{Binding IsRevealed}">
+                      <ItemsControl.ItemsPanel>
+                        <ItemsPanelTemplate><WrapPanel ItemSpacing="6" LineSpacing="4"/></ItemsPanelTemplate>
+                      </ItemsControl.ItemsPanel>
+                      <ItemsControl.ItemTemplate>
+                        <DataTemplate DataType="svm:TagChip">
+                          <Border Background="{Binding ColorHex}" CornerRadius="10" Padding="8,2">
+                            <TextBlock Text="{Binding Text}" FontSize="10" Foreground="White"/>
+                          </Border>
+                        </DataTemplate>
+                      </ItemsControl.ItemTemplate>
+                    </ItemsControl>
+                  </StackPanel>
+                </Border>
+              </DataTemplate>
+            </ItemsControl.ItemTemplate>
+          </ItemsControl>
+          <TextBlock Text="Keine eigene Dokumentation im gewählten Zeitraum." Classes="emptyhint"
+                     IsVisible="{Binding !HasOwnDocumentationEntries}"/>
+        </StackPanel>
+      </ScrollViewer>
+    </Grid>
+    <TextBlock Grid.Row="5" Text="{Binding Status}" FontSize="11" Opacity="0.6"/>
   </Grid>
 </UserControl>