Files
LehrerApp/LehrerApp.Desktop/Views/Groups/ParticipationTabView.axaml.cs
adminandClaude Sonnet 5 a088823b30
CI / build-and-test (push) Canceled after 0s
Notentendenzen (3+/2-) korrekt in Notenschnitt einrechnen, Abschnittsende-Vorschlag aus Einheit
Bisher liess int.TryParse jede Note mit Tendenz durchfallen und WeightedAverage rechnete den
betroffenen Bereich mit 0 statt sie auszulassen - faelschte Notenuebersicht, Zielnoten- und
Was-waere-wenn-Rechner. Ausserdem schlaegt der Mitarbeits-Assistent beim Abschnitt-Abschliessen
jetzt das Ende der zuletzt abgeschlossenen Unterrichtseinheit statt immer "heute" vor.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-30 13:24:16 +02:00

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using Avalonia.Controls;
using Avalonia.Controls.Templates;
using Avalonia.Data;
using LehrerApp.Core.Interfaces;
using LehrerApp.Core.Models;
using LehrerApp.Core.Services;
using LehrerApp.Desktop.ViewModels.Groups;
using LehrerApp.Desktop.Views.Shared;
using Microsoft.Extensions.DependencyInjection;
namespace LehrerApp.Desktop.Views.Groups;
public partial class ParticipationTabView : UserControl
{
private ParticipationTabViewModel? _vm;
public ParticipationTabView() => InitializeComponent();
protected override void OnDataContextChanged(EventArgs e)
{
base.OnDataContextChanged(e);
if (DataContext is ParticipationTabViewModel vm)
{
_vm = vm;
vm.OnAddSession = ShowAddSessionDialog;
vm.OnEditSession = ShowEditSessionDialog;
vm.OnQuickInput = ShowQuickInputDialog;
vm.OnStatusQuickInput = ShowStatusQuickInputDialog;
vm.OnComputeGrade = ShowComputeGradeDialog;
vm.OnOpenWizard = ShowWizardDialog;
vm.OnManageAspects = ShowManageAspectsDialog;
vm.OnConfirmDeleteSession = ConfirmDeleteSession;
vm.Aspects.CollectionChanged += (_, _) => BuildColumns();
vm.PropertyChanged += (_, pe) =>
{
if (pe.PropertyName == nameof(ParticipationTabViewModel.RebuildColumnsSignal))
BuildColumns();
};
BuildColumns();
}
}
private void BuildColumns()
{
var grid = this.FindControl<DataGrid>("RatingGrid");
if (grid is null || _vm is null) return;
grid.Columns.Clear();
grid.Columns.Add(new DataGridTextColumn
{
Header = "Schüler",
Binding = new Binding("Name"),
Width = new DataGridLength(160, DataGridLengthUnitType.Pixel),
});
// Aspekt-Spalten
foreach (var (aspect, i) in _vm.Aspects.Select((a, i) => (a, i)))
{
var idx = i;
grid.Columns.Add(new DataGridTemplateColumn
{
Header = $"{aspect.Label} [{AspectShortcut(i)}]",
Width = new DataGridLength(1, DataGridLengthUnitType.Star),
CellTemplate = BuildCellTemplate(idx, forCompetency: false, _vm.IsReadOnly),
});
}
grid.Columns.Add(new DataGridTemplateColumn
{
Header = "HA",
Width = new DataGridLength(50, DataGridLengthUnitType.Pixel),
CellTemplate = BuildHomeworkCellTemplate(_vm.IsReadOnly),
});
grid.Columns.Add(new DataGridTemplateColumn
{
Header = "Anwesenheit",
Width = new DataGridLength(80, DataGridLengthUnitType.Pixel),
CellTemplate = BuildAttendanceCellTemplate(_vm.IsReadOnly),
});
// Kompetenz-Spalten (opt-in)
if (_vm.StudentCompetencyRatingsVisible && _vm.ActiveCompetencyCodes.Count > 0)
{
foreach (var (code, i) in _vm.ActiveCompetencyCodes.Select((c, i) => (c, i)))
{
var idx = i;
grid.Columns.Add(new DataGridTemplateColumn
{
Header = code,
Width = new DataGridLength(80, DataGridLengthUnitType.Pixel),
CellTemplate = BuildCellTemplate(idx, forCompetency: true, _vm.IsReadOnly),
});
}
}
}
private static IDataTemplate BuildCellTemplate(int cellIndex, bool forCompetency, bool isReadOnly)
{
return new FuncDataTemplate<ParticipationStudentRow>((row, _) =>
{
if (row is null) return new TextBlock();
var cell = forCompetency
? row.CompetencyCells.ElementAtOrDefault(cellIndex)
: row.Cells.ElementAtOrDefault(cellIndex);
if (cell is null) return new TextBlock();
// Punkte-Aspekte (3.1.3) sind eine freie Zahl 0..MaxPoints statt einer festen
// Stufenauswahl — dafür ein NumericUpDown statt der Stufen-Buttons unten.
return cell.Type == AspectValueType.Points
? BuildPointsCell(cell, isReadOnly)
: BuildStepButtonsCell(cell, isReadOnly);
});
}
private static Control BuildStepButtonsCell(RatingCell cell, bool isReadOnly)
{
var panel = new StackPanel
{
Orientation = Avalonia.Layout.Orientation.Horizontal,
HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Center,
VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center,
Spacing = 2,
Margin = new Avalonia.Thickness(0, 2),
};
foreach (var (val, label) in ParticipationRatingScale.Steps(cell.Type))
{
var btn = new Button
{
Content = label,
Padding = new Avalonia.Thickness(5, 1),
FontSize = 11,
Opacity = cell.Value == val ? 1.0 : 0.3,
IsEnabled = !isReadOnly,
};
var capturedVal = val;
btn.Click += (_, _) => cell.SetValue(capturedVal);
cell.PropertyChanged += (_, pe) =>
{
if (pe.PropertyName == nameof(RatingCell.Value))
btn.Opacity = cell.Value == capturedVal ? 1.0 : 0.3;
};
panel.Children.Add(btn);
}
return panel;
}
private static Control BuildPointsCell(RatingCell cell, bool isReadOnly)
{
var updown = new NumericUpDown
{
Minimum = 0,
Maximum = cell.MaxPoints,
Increment = 1,
FormatString = "0",
Value = cell.Value,
IsEnabled = !isReadOnly,
Width = 72,
HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Center,
VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center,
};
updown.ValueChanged += (_, e) =>
{
var newVal = e.NewValue.HasValue ? (int?)e.NewValue.Value : null;
if (newVal != cell.Value) cell.SetValue(newVal);
};
cell.PropertyChanged += (_, pe) =>
{
if (pe.PropertyName != nameof(RatingCell.Value)) return;
var current = cell.Value.HasValue ? (decimal?)cell.Value.Value : null;
if (updown.Value != current) updown.Value = current;
};
return updown;
}
private static IDataTemplate BuildHomeworkCellTemplate(bool isReadOnly)
{
return new FuncDataTemplate<ParticipationStudentRow>((row, _) =>
{
if (row is null) return new TextBlock();
var btn = new Button
{
FontSize = 12,
Width = 30,
Height = 26,
Padding = new Avalonia.Thickness(3, 1),
Command = row.ToggleHomeworkCommand,
IsEnabled = !isReadOnly,
};
void RefreshHomework()
{
btn.Content = row.HomeworkSymbol;
ToolTip.SetTip(btn, row.HomeworkTooltip + " klicken für nächsten Status");
if (row.Homework is null)
{
btn.ClearValue(Button.BackgroundProperty);
btn.ClearValue(Button.ForegroundProperty);
btn.Opacity = 0.38;
}
else
{
btn.Background = new Avalonia.Media.SolidColorBrush(Avalonia.Media.Color.Parse(HomeworkDisplay.Color(row.Homework)));
btn.Foreground = Avalonia.Media.Brushes.White;
btn.Opacity = 1;
}
}
RefreshHomework();
row.PropertyChanged += (_, pe) =>
{
if (pe.PropertyName == nameof(ParticipationStudentRow.HomeworkSymbol))
RefreshHomework();
};
return new StackPanel
{
HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Center,
VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center,
Children = { btn },
};
});
}
private static IDataTemplate BuildAttendanceCellTemplate(bool isReadOnly)
{
return new FuncDataTemplate<ParticipationStudentRow>((row, _) =>
{
if (row is null) return new TextBlock();
var btn = new Button
{
FontSize = 12,
Width = 30,
Height = 26,
Padding = new Avalonia.Thickness(3, 1),
Command = row.CycleAttendanceCommand,
IsEnabled = !isReadOnly,
};
void RefreshAttendance()
{
btn.Content = string.IsNullOrEmpty(row.AttendanceLabel) ? "·" : row.AttendanceLabel;
ToolTip.SetTip(btn, row.AttendanceTooltip + " klicken für nächsten Status");
if (row.Attendance is null)
{
btn.ClearValue(Button.BackgroundProperty);
btn.ClearValue(Button.ForegroundProperty);
btn.Opacity = 0.38;
}
else
{
btn.Background = new Avalonia.Media.SolidColorBrush(Avalonia.Media.Color.Parse(AttendanceDisplay.Color(row.Attendance)));
btn.Foreground = Avalonia.Media.Brushes.White;
btn.Opacity = 1;
}
}
RefreshAttendance();
row.PropertyChanged += (_, pe) =>
{
if (pe.PropertyName == nameof(ParticipationStudentRow.AttendanceLabel))
RefreshAttendance();
};
return new StackPanel
{
HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Center,
VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center,
Children = { btn },
};
});
}
private static string AspectShortcut(int i) => i switch
{
0 => "Q", 1 => "W", 2 => "E", 3 => "R", 4 => "T", _ => ""
};
private async Task<LehrerApp.Core.Models.ParticipationSession?> ShowAddSessionDialog()
{
var vm = new AddSessionDialogViewModel();
var dialog = new AddSessionDialog { DataContext = vm };
var owner = TopLevel.GetTopLevel(this) as Window;
if (owner is null) return null;
var ok = await dialog.ShowDialog<bool>(owner);
return ok ? vm.Result : null;
}
private async Task<LehrerApp.Core.Models.ParticipationSession?> ShowEditSessionDialog(
LehrerApp.Core.Models.ParticipationSession session)
{
var vm = new AddSessionDialogViewModel(session);
var dialog = new AddSessionDialog { DataContext = vm };
var owner = TopLevel.GetTopLevel(this) as Window;
if (owner is null) return null;
var ok = await dialog.ShowDialog<bool>(owner);
return ok ? vm.Result : null;
}
private async Task ShowQuickInputDialog(ParticipationTabViewModel tabVm)
{
if (tabVm.StudentRows.Count == 0) return;
var quickVm = new QuickInputViewModel(
tabVm.StudentRows.ToList(),
tabVm.Aspects.ToList());
var dialog = new ParticipationQuickInputDialog { DataContext = quickVm };
var owner = TopLevel.GetTopLevel(this) as Window;
if (owner is not null)
await dialog.ShowDialog(owner);
}
private async Task ShowStatusQuickInputDialog(ParticipationTabViewModel tabVm)
{
if (tabVm.StudentRows.Count == 0 || tabVm.SelectedSession is null) return;
var quickVm = new AttendanceHomeworkQuickInputViewModel(
tabVm.StudentRows, tabVm.SelectedSessionDisplay);
var dialog = new AttendanceHomeworkQuickInputDialog { DataContext = quickVm };
var owner = TopLevel.GetTopLevel(this) as Window;
if (owner is not null)
await dialog.ShowDialog(owner);
}
private async Task ShowComputeGradeDialog(ParticipationTabViewModel tabVm)
{
var dialogVm = new ParticipationGradeDialogViewModel(
App.Services.GetRequiredService<IParticipationSessionRepository>(),
App.Services.GetRequiredService<IParticipationRepository>(),
App.Services.GetRequiredService<IParticipationAspectRepository>(),
App.Services.GetRequiredService<IStudentRepository>(),
App.Services.GetRequiredService<IGroupMembershipRepository>(),
App.Services.GetRequiredService<IGradeRepository>(),
App.Services.GetRequiredService<GradingService>(),
tabVm.GroupId, tabVm.SchoolYear, tabVm.GradingSystem);
var dialog = new ParticipationGradeDialog { DataContext = dialogVm };
var owner = TopLevel.GetTopLevel(this) as Window;
if (owner is not null)
await dialog.ShowDialog(owner);
}
private async Task ShowWizardDialog(ParticipationTabViewModel tabVm)
{
var dialogVm = new ParticipationWizardDialogViewModel(
App.Services.GetRequiredService<IParticipationSessionRepository>(),
App.Services.GetRequiredService<IParticipationRepository>(),
App.Services.GetRequiredService<IParticipationAspectRepository>(),
App.Services.GetRequiredService<IParticipationSectionRepository>(),
App.Services.GetRequiredService<IStudentRepository>(),
App.Services.GetRequiredService<IGroupMembershipRepository>(),
App.Services.GetRequiredService<IExamRepository>(),
App.Services.GetRequiredService<IExamResultRepository>(),
App.Services.GetRequiredService<IGradeRepository>(),
App.Services.GetRequiredService<IUnitRepository>(),
App.Services.GetRequiredService<GradingService>(),
tabVm.GroupId, tabVm.SchoolYear, tabVm.GradingSystem, tabVm.GroupLabel);
var dialog = new ParticipationWizardDialog { DataContext = dialogVm };
var owner = TopLevel.GetTopLevel(this) as Window;
if (owner is not null)
await dialog.ShowDialog(owner);
}
private async Task ShowManageAspectsDialog(ParticipationTabViewModel tabVm)
{
var dialogVm = new ParticipationAspectsDialogViewModel(
App.Services.GetRequiredService<IParticipationAspectRepository>(), tabVm.GroupId);
var dialog = new ParticipationAspectsDialog { DataContext = dialogVm };
var owner = TopLevel.GetTopLevel(this) as Window;
if (owner is not null)
await dialog.ShowDialog(owner);
}
private async Task<bool> ConfirmDeleteSession(ParticipationSessionItem session, int entryCount)
{
var owner = TopLevel.GetTopLevel(this) as Window;
if (owner is null) return false;
var info = new ConfirmDialogInfo
{
Title = "Sitzung endgültig löschen?",
Message = entryCount > 0
? $"Die Sitzung „{session.Display}“ wird endgültig gelöscht. Dabei gehen auch " +
$"alle {entryCount} bereits erfassten Schüler-Bewertungen dieser Sitzung " +
"unwiderruflich verloren."
: $"Die Sitzung „{session.Display}“ wird endgültig gelöscht.",
ConfirmText = "Endgültig löschen",
};
var dialog = new ConfirmDialog { DataContext = info };
return await dialog.ShowDialog<bool>(owner);
}
}