LehrerApp/LehrerApp.Desktop/Views/Students/WebUntisDocumentationComparisonDialog.axaml

<Window xmlns="https://github.com/avaloniaui"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:vm="clr-namespace:LehrerApp.Desktop.ViewModels.Students"
        x:Class="LehrerApp.Desktop.Views.Students.WebUntisDocumentationComparisonDialog"
        x:DataType="vm:WebUntisDocumentationComparisonViewModel"
        Title="Klassenbucheinträge mit WebUntis abgleichen" Width="1150" Height="720"
        MinWidth="900" MinHeight="500" WindowStartupLocation="CenterOwner">
  <Grid RowDefinitions="Auto,Auto,Auto,2*,Auto,Auto,1*,Auto" Margin="24" RowSpacing="8">
    <StackPanel Grid.Row="0" Spacing="4">
      <TextBlock Text="Klassenbucheinträge mit WebUntis abgleichen" Classes="dialogtitle"/>
      <TextBlock TextWrapping="Wrap" FontSize="12" Opacity="0.65"
                 Text="Nur eigene WebUntis-Einträge (Benutzer = eigener Login). Zeilen ohne automatische Zuordnung bitte manuell einem/einer Schüler*in zuweisen. Bereits lokal vorhandene Einträge sind gesperrt."/>
    </StackPanel>
    <StackPanel Grid.Row="1" Orientation="Horizontal" Spacing="8">
      <CalendarDatePicker SelectedDate="{Binding StartDate}"/>
      <TextBlock Text="bis" VerticalAlignment="Center"/>
      <CalendarDatePicker SelectedDate="{Binding EndDate}"/>
      <Button Content="Klassenbucheinträge laden" Command="{Binding LoadCommand}" IsEnabled="{Binding !Busy}"/>
    </StackPanel>

    <Grid Grid.Row="2" ColumnDefinitions="Auto,70,55,65,1.1*,1.1*,1*,1.3*,1.3*" ColumnSpacing="8" Margin="4,0">
      <TextBlock Grid.Column="1" Text="Datum" FontSize="11" Opacity="0.6"/>
      <TextBlock Grid.Column="2" Text="Klasse" FontSize="11" Opacity="0.6"/>
      <TextBlock Grid.Column="3" Text="Fach" FontSize="11" Opacity="0.6"/>
      <TextBlock Grid.Column="4" Text="Name (WebUntis)" FontSize="11" Opacity="0.6"/>
      <TextBlock Grid.Column="5" Text="Zuordnung" FontSize="11" Opacity="0.6"/>
      <TextBlock Grid.Column="6" Text="Kategorie" FontSize="11" Opacity="0.6"/>
      <TextBlock Grid.Column="7" Text="Text" FontSize="11" Opacity="0.6"/>
      <TextBlock Grid.Column="8" Text="Lokal am selben Tag" FontSize="11" Opacity="0.6"/>
    </Grid>
    <ScrollViewer Grid.Row="3">
      <ItemsControl ItemsSource="{Binding Rows}">
        <ItemsControl.ItemTemplate>
          <DataTemplate x:DataType="vm:WebUntisDocumentationRow">
            <Grid ColumnDefinitions="Auto,70,55,65,1.1*,1.1*,1*,1.3*,1.3*" ColumnSpacing="8" Margin="0,3">
              <CheckBox Grid.Column="0" IsChecked="{Binding Selected}" IsEnabled="{Binding CanApply}"/>
              <TextBlock Grid.Column="1" Text="{Binding DateLabel}" VerticalAlignment="Center"/>
              <TextBlock Grid.Column="2" Text="{Binding ClassName}" VerticalAlignment="Center"/>
              <TextBlock Grid.Column="3" Text="{Binding Subject}" VerticalAlignment="Center"/>
              <TextBlock Grid.Column="4" Text="{Binding UntisStudentName}" VerticalAlignment="Center" TextWrapping="Wrap"/>
              <ComboBox Grid.Column="5" ItemsSource="{Binding Candidates}" SelectedItem="{Binding AssignedStudent}"
                        DisplayMemberBinding="{Binding FullName}" PlaceholderText="Schüler*in wählen…"
                        HorizontalAlignment="Stretch"/>
              <StackPanel Grid.Column="6" Spacing="0">
                <TextBlock Text="{Binding CategoryName}" TextWrapping="Wrap"/>
                <TextBlock Text="{Binding CategoryGroup}" FontSize="11" Opacity="0.6"/>
              </StackPanel>
              <TextBlock Grid.Column="7" Text="{Binding Text}" TextWrapping="Wrap" VerticalAlignment="Center"/>
              <TextBlock Grid.Column="8" Text="{Binding ExistingLocalEntry}" TextWrapping="Wrap"
                         Foreground="DarkOrange" VerticalAlignment="Center"
                         IsVisible="{Binding ExistingLocalEntry, Converter={x:Static StringConverters.IsNotNullOrEmpty}}"/>
            </Grid>
          </DataTemplate>
        </ItemsControl.ItemTemplate>
      </ItemsControl>
    </ScrollViewer>
    <Grid Grid.Row="4" ColumnDefinitions="*,Auto" ColumnSpacing="8">
      <TextBlock Grid.Column="0" Text="{Binding Status}" FontSize="12" TextWrapping="Wrap" VerticalAlignment="Center"/>
      <Button Grid.Column="1" Content="Markierte übernehmen" Command="{Binding ApplyCommand}" IsEnabled="{Binding !Busy}"/>
    </Grid>

    <StackPanel Grid.Row="5" Spacing="2">
      <TextBlock Text="Lokale Einträge im Zeitraum ohne WebUntis-Gegenstück" FontWeight="SemiBold" FontSize="13"/>
      <TextBlock FontSize="12" Opacity="0.65" TextWrapping="Wrap"
                 Text="Kein Schreibzugriff auf WebUntis — Text zum manuellen Nacherfassen in die Zwischenablage kopieren."/>
    </StackPanel>
    <ScrollViewer Grid.Row="6">
      <ItemsControl ItemsSource="{Binding LocalOnlyRows}">
        <ItemsControl.ItemTemplate>
          <DataTemplate x:DataType="vm:LocalOnlyDocumentationRow">
            <Grid ColumnDefinitions="80,1.2*,1.5*,2.5*,Auto" ColumnSpacing="8" Margin="0,3">
              <TextBlock Grid.Column="0" Text="{Binding DateLabel}" VerticalAlignment="Center"/>
              <TextBlock Grid.Column="1" Text="{Binding StudentName}" VerticalAlignment="Center" TextWrapping="Wrap"/>
              <TextBlock Grid.Column="2" Text="{Binding GroupName}" VerticalAlignment="Center" TextWrapping="Wrap"/>
              <StackPanel Grid.Column="3">
                <TextBlock Text="{Binding Title}" FontWeight="SemiBold"/>
                <TextBlock Text="{Binding Content}" TextWrapping="Wrap" FontSize="12" Opacity="0.8"/>
              </StackPanel>
              <Button Grid.Column="4" Content="In Zwischenablage" Click="OnCopyToClipboardClick"/>
            </Grid>
          </DataTemplate>
        </ItemsControl.ItemTemplate>
      </ItemsControl>
    </ScrollViewer>

    <Button Grid.Row="7" Content="Schließen" Click="OnClose" HorizontalAlignment="Right"/>
  </Grid>
</Window>