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LehrerApp/LehrerApp.Desktop/ViewModels/Groups/SeatingPlanViewModels.cs
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adminandClaude Sonnet 5 1215d4ac22
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Tagesflagge im Sitzplan, Leistungsüberblick mit Zielnoten-Rechner
- Mitarbeit: Tagesflagge (👑 Spitzentag / 😴 Schlaftag /  Schlechter Tag)
  je Schüler und Sitzung. Primär im Sitzplatz-Dialog (⇧1/2/3, ⇧X) mit
  Badge auf der Sitzplatz-Kachel; Fallback in der Schnelleingabe für
  Lerngruppen ohne Sitzplan.
- Noten: neuer Dialog "Überblick" in der Notenübersicht zeigt Klausuren,
  Mitarbeit- und sonstige Noten eines Schülers samt berechneter
  Zeugnisnote. Zielnoten-Rechner (ReportGradeTargetCalculator) beantwortet
  "was brauche ich noch für Note X", ein Was-wäre-wenn-Rechner simuliert
  eine zusätzliche Klausurnote. Bewerter-/Schülermodus per Umschalter im
  selben Fenster — Bewertermodus zeigt zusätzlich Kursdurchschnitt je
  Klausur und erlaubt das Bearbeiten von Mitarbeit-/Sonstige-Noten.
  Klausurverlauf als Balken-Sparkline wie die bestehende Notenentwicklung.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-30 11:43:47 +02:00

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using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using LehrerApp.Core.Interfaces;
using LehrerApp.Core.Models;
using LehrerApp.Core.Services;
using System.Collections.ObjectModel;
namespace LehrerApp.Desktop.ViewModels.Groups;
public partial class SeatingPlanTabViewModel : ObservableObject
{
private readonly ISeatingPlanRepository _plans;
private readonly IStudentRepository _students;
private readonly IGroupMembershipRepository _memberships;
private readonly IParticipationSessionRepository _sessions;
private readonly IParticipationRepository _participation;
private readonly IParticipationAspectRepository _aspects;
private readonly IDocumentationRepository? _documentation;
private Guid _groupId;
private SeatingPlan? _currentPlan;
private bool _isReadOnly;
[ObservableProperty] private SeatingPlanSummary? _selectedPlan;
[ObservableProperty] private int _planColumns = 1;
[ObservableProperty] private string _planTitle = "";
[ObservableProperty] private string _planSubtitle = "";
[ObservableProperty] private string _assignmentSummary = "";
[ObservableProperty] private bool _isBoardAtTop = true;
[ObservableProperty] private bool _isBoardAtBottom;
[ObservableProperty] private IReadOnlyList<double> _columnGapWidths = [];
[ObservableProperty] private bool _isEditMode;
[ObservableProperty] private ParticipationSessionOption? _selectedSession;
public ObservableCollection<SeatingPlanSummary> Plans { get; } = [];
public ObservableCollection<SeatCellViewModel> Seats { get; } = [];
public ObservableCollection<StudentSeatOption> StudentOptions { get; } = [];
public ObservableCollection<StudentSeatOption> UnassignedStudents { get; } = [];
public ObservableCollection<ParticipationSessionOption> TodaySessions { get; } = [];
public bool HasPlans => Plans.Count > 0;
public bool HasSelectedPlan => _currentPlan is not null;
public bool IsEditable => !_isReadOnly;
public bool CanEditLayout => IsEditable && IsEditMode;
public Func<SeatingPlan?, Task<SeatingPlan?>>? OnEditPlan { get; set; }
public Func<SeatingPlanSummary, Task<bool>>? OnConfirmDelete { get; set; }
public Func<SeatAssessmentViewModel, Task>? OnAssessStudent { get; set; }
public Action? OnAssessmentChanged { get; set; }
public Action? OnDocumentationChanged { get; set; }
public SeatingPlanTabViewModel(ISeatingPlanRepository plans, IStudentRepository students,
IGroupMembershipRepository memberships, IParticipationSessionRepository sessions,
IParticipationRepository participation, IParticipationAspectRepository aspects,
IDocumentationRepository? documentation = null)
{
_plans = plans;
_students = students;
_memberships = memberships;
_sessions = sessions;
_participation = participation;
_aspects = aspects;
_documentation = documentation;
}
public SeatingPlanDialogViewModel CreateDialogViewModel(SeatingPlan? plan) =>
new(_plans, _groupId, plan);
public void Initialize(Guid groupId, bool isReadOnly)
{
_groupId = groupId;
_isReadOnly = isReadOnly;
IsEditMode = false;
LoadTodaySessions();
LoadStudentOptions();
ReloadPlans();
OnPropertyChanged(nameof(IsEditable));
NotifyCommands();
}
/// Legt bewusst KEINE Sitzung an, nur weil der Tab geöffnet wird — Initialize() läuft für
/// jede Gruppe schon beim bloßen Navigieren zur Kursübersicht (GroupDetailViewModel.LoadGroup),
/// unabhängig davon, ob der Sitzplan-Tab überhaupt angesehen wird. Eine Sitzung entsteht erst
/// bei der ersten tatsächlichen Bewertung/Markierung, siehe EnsureTodaySession().
private void LoadTodaySessions()
{
TodaySessions.Clear();
var today = DateOnly.FromDateTime(DateTime.Today);
var sessions = _sessions.GetByGroup(_groupId).Where(s => s.Date == today)
.OrderBy(s => s.CreatedAt).ToList();
foreach (var session in sessions) TodaySessions.Add(new ParticipationSessionOption(session));
SelectedSession = TodaySessions.LastOrDefault();
}
/// Legt bei Bedarf die "Sitzung für heute" an, mit der Sitzplan-Bewertungen/-Markierungen
/// verknüpft werden — aber erst, wenn tatsächlich etwas bewertet/markiert wird (AssessStudent/
/// ToggleSituationTag), nicht schon beim Öffnen des Tabs.
///
/// Prüft dabei bewusst gegen das Repository und nicht nur gegen das lokal geladene
/// <see cref="TodaySessions"/> / <see cref="SelectedSession"/>: Der Unterrichtsmodus
/// (<see cref="SelectOrCreateSessionForLesson"/>) läuft auf einer eigenen, per DI frisch
/// aufgelösten <see cref="SeatingPlanTabViewModel"/>-Instanz (siehe TimetableView.ShowTeachingMode),
/// getrennt von der Instanz, die im Sitzplan-Tab der Kursübersicht hängt. Eine dort bereits
/// heute angelegte (ggf. verknüpfte) Sitzung ist dieser Instanz also unbekannt, solange sie nur
/// im lokalen Feld nachschaut — das führte dazu, dass eine zweite, unverknüpfte "Sitzplan"-
/// Sitzung für denselben Tag entstand, sobald im echten Sitzplan-Tab bewertet wurde.
private ParticipationSessionOption? EnsureTodaySession()
{
if (SelectedSession is not null) return SelectedSession;
if (!IsEditable) return null;
var today = DateOnly.FromDateTime(DateTime.Today);
var existing = _sessions.GetByGroup(_groupId).FirstOrDefault(s => s.Date == today);
if (existing is not null)
{
var found = TodaySessions.FirstOrDefault(o => o.Id == existing.Id);
if (found is null)
{
found = new ParticipationSessionOption(existing);
TodaySessions.Add(found);
}
SelectedSession = found;
return found;
}
var created = new ParticipationSession
{
GroupId = _groupId, Date = today, Comment = "Sitzplan",
};
_sessions.Save(created);
var option = new ParticipationSessionOption(created);
TodaySessions.Add(option);
SelectedSession = option;
return option;
}
/// <summary>
/// Für den Unterrichtsmodus (14.x): wählt eine bereits mit dieser Stunde verknüpfte Sitzung
/// aus (angelegt z.B. über PlanningTabViewModel.CreateParticipationSession, 3.3.1) oder legt
/// bei Bedarf eine neue, EXPLIZIT verknüpfte an (<see cref="ParticipationSession.LessonId"/>).
/// Anders als <see cref="EnsureTodaySession"/> (anonyme "Sitzplan"-Sitzung, erst bei der
/// ersten tatsächlichen Aktion) ist das hier bewusst sofort beim Start des Unterrichtsmodus
/// erlaubt: welche Stunde gemeint ist, steht durch die explizite Auswahl der Lehrkraft
/// (Klick auf "Unterrichtsmodus starten" für genau diese Stunde) bereits unzweideutig fest -
/// keine Geistersitzungs-Gefahr wie beim bloßen Öffnen eines Tabs.
/// </summary>
public void SelectOrCreateSessionForLesson(Lesson lesson)
{
var existing = TodaySessions.FirstOrDefault(s => s.LessonId == lesson.Id);
if (existing is not null) { SelectedSession = existing; return; }
if (!IsEditable) return;
var created = new ParticipationSession
{
GroupId = _groupId, Date = lesson.Date, LessonId = lesson.Id, Comment = lesson.Topic,
};
_sessions.Save(created);
var option = new ParticipationSessionOption(created);
TodaySessions.Add(option);
SelectedSession = option;
}
partial void OnSelectedSessionChanged(ParticipationSessionOption? value) => RefreshSeatLessonData();
private void LoadStudentOptions()
{
StudentOptions.Clear();
StudentOptions.Add(StudentSeatOption.Empty);
var today = DateOnly.FromDateTime(DateTime.Today);
var memberships = _memberships.GetByGroup(_groupId).ToDictionary(m => m.StudentId);
foreach (var student in _students.GetByGroup(_groupId)
.Where(s => memberships.TryGetValue(s.Id, out var membership)
&& GroupMembershipService.IsActiveOn(membership, today))
.OrderBy(s => s.LastName).ThenBy(s => s.FirstName))
StudentOptions.Add(new StudentSeatOption(student.Id, $"{student.LastName}, {student.FirstName}"));
}
private void ReloadPlans(Guid? selectId = null)
{
selectId ??= SelectedPlan?.Id;
Plans.Clear();
foreach (var plan in _plans.GetByGroup(_groupId))
Plans.Add(new SeatingPlanSummary(plan));
SelectedPlan = Plans.FirstOrDefault(p => p.Id == selectId) ?? Plans.FirstOrDefault();
if (SelectedPlan is null) LoadPlan(null);
OnPropertyChanged(nameof(HasPlans));
NotifyCommands();
}
partial void OnSelectedPlanChanged(SeatingPlanSummary? value) =>
LoadPlan(value is null ? null : _plans.GetById(value.Id));
private void LoadPlan(SeatingPlan? plan)
{
_currentPlan = plan;
Seats.Clear();
if (plan is null)
{
UnassignedStudents.Clear();
PlanColumns = 1;
PlanTitle = "";
PlanSubtitle = "";
AssignmentSummary = "";
IsBoardAtTop = true;
IsBoardAtBottom = false;
ColumnGapWidths = [];
}
else
{
PlanColumns = plan.Columns;
PlanTitle = plan.Name;
PlanSubtitle = string.IsNullOrWhiteSpace(plan.Room)
? $"{plan.Rows} × {plan.Columns} Plätze"
: $"Raum {plan.Room} · {plan.Rows} × {plan.Columns} Plätze";
IsBoardAtBottom = plan.IsBoardAtBottom;
IsBoardAtTop = !plan.IsBoardAtBottom;
var savedGapWidths = plan.ColumnGapWidths ?? [];
ColumnGapWidths = Enumerable.Range(0, Math.Max(0, plan.Columns - 1))
.Select(i => i < savedGapWidths.Count ? savedGapWidths[i] : 0)
.ToArray();
var hiddenSeats = plan.HiddenSeats ?? [];
for (var row = 0; row < plan.Rows; row++)
for (var column = 0; column < plan.Columns; column++)
{
var assignment = plan.Assignments.FirstOrDefault(a => a.Row == row && a.Column == column);
var option = assignment is null
? StudentSeatOption.Empty
: StudentOptions.FirstOrDefault(o => o.StudentId == assignment.StudentId)
?? StudentSeatOption.Empty;
var isHidden = hiddenSeats.Any(h => h.Row == row && h.Column == column);
Seats.Add(new SeatCellViewModel(row, column, StudentOptions, option, OnSeatChanged,
CanEditLayout, ToggleSituationTag, IsEditable, isHidden, ToggleSeatHidden, TallyParticipation));
}
UpdateAssignmentSummary();
RefreshSeatLessonData();
}
OnPropertyChanged(nameof(HasSelectedPlan));
NotifyCommands();
}
/// Öffentlich statt intern (kein InternalsVisibleTo in dieser Codebasis, siehe
/// UntisSyncService-Kommentar): der Unterrichtsmodus bewertet über eine zweite, unabhängige
/// ParticipationTabViewModel-Instanz (Schnellbewertungs-Dialoge, siehe TeachingModeWindow) —
/// diese Instanz hier bekommt davon nichts automatisch mit und muss nach jedem Dialog explizit
/// neu aus dem Repository laden, damit die Sitzplatz-Badges nicht veraltet bleiben.
public void ReloadSeatBadgesFromRepository() => RefreshSeatLessonData();
private void RefreshSeatLessonData()
{
if (SelectedSession is null)
{
foreach (var seat in Seats) seat.SetLessonData(null, []);
return;
}
var entries = _participation.GetBySession(SelectedSession.Id)
.ToDictionary(e => e.StudentId);
foreach (var seat in Seats)
{
if (seat.SelectedOption.StudentId is not Guid studentId)
{
seat.SetLessonData(null, []);
continue;
}
entries.TryGetValue(studentId, out var entry);
var tags = _documentation?.GetByStudent(studentId)
.FirstOrDefault(d => d.IsDraft && d.ParticipationSessionId == SelectedSession.Id)?.Tags ?? [];
seat.SetLessonData(entry, tags);
}
}
/// Strichliste im Sitzplan (Nutzer-Feedback): "drangekommen" ist immer auch eine Meldung und
/// erhöht daher beide Zähler — es gibt kein "drangekommen, ohne sich gemeldet zu haben".
private void TallyParticipation(SeatCellViewModel seat, bool calledOn)
{
if (!IsEditable || seat.SelectedOption.StudentId is not Guid studentId) return;
var session = EnsureTodaySession();
if (session is null) return;
var entry = _participation.GetBySessionAndStudent(session.Id, studentId)
?? new ParticipationEntry { SessionId = session.Id, StudentId = studentId };
entry.RaisedHandCount++;
if (calledOn) entry.CalledOnCount++;
_participation.Save(entry);
RefreshSeatLessonData();
}
private void ToggleSituationTag(SeatCellViewModel seat, string tag)
{
if (!IsEditable || _documentation is null ||
seat.SelectedOption.StudentId is not Guid studentId) return;
var session = EnsureTodaySession();
if (session is null) return;
var draft = _documentation.GetByStudent(studentId)
.FirstOrDefault(d => d.IsDraft && d.ParticipationSessionId == session.Id);
if (draft is null)
{
draft = new Documentation
{
StudentId = studentId, GroupId = _groupId,
ParticipationSessionId = session.Id,
LessonId = session.LessonId,
Type = DocumentationType.Incident,
Date = session.Date,
Title = tag,
IsDraft = true,
Tags = [tag],
};
}
else if (draft.Tags.Contains(tag))
{
draft.Tags.Remove(tag);
if (draft.Tags.Count == 0)
{
_documentation.Delete(draft.Id);
RefreshSeatLessonData();
OnDocumentationChanged?.Invoke();
return;
}
draft.Title = draft.Tags[0];
}
else draft.Tags.Add(tag);
draft.UpdatedAt = DateTime.UtcNow;
_documentation.Save(draft);
RefreshSeatLessonData();
OnDocumentationChanged?.Invoke();
}
private void OnSeatChanged(SeatCellViewModel changed)
{
if (_currentPlan is null || !CanEditLayout) return;
if (changed.SelectedOption.StudentId is Guid studentId)
{
foreach (var other in Seats.Where(s => s != changed && s.SelectedOption.StudentId == studentId))
other.SetSelectionSilently(StudentSeatOption.Empty);
}
SaveSeatAssignments();
}
private void UpdateAssignmentSummary()
{
var assigned = Seats.Count(s => s.SelectedOption.StudentId.HasValue);
var total = StudentOptions.Count - 1;
AssignmentSummary = $"{assigned} von {total} Schülern zugeordnet";
var assignedIds = Seats.Where(s => s.SelectedOption.StudentId.HasValue)
.Select(s => s.SelectedOption.StudentId!.Value).ToHashSet();
UnassignedStudents.Clear();
foreach (var option in StudentOptions.Where(o => o.StudentId.HasValue && !assignedIds.Contains(o.StudentId.Value)))
UnassignedStudents.Add(option);
}
public void MoveSeat(SeatCellViewModel source, SeatCellViewModel target)
{
if (!CanEditLayout || source == target || target.IsHidden
|| !source.SelectedOption.StudentId.HasValue) return;
var targetOption = target.SelectedOption;
target.SetSelectionSilently(source.SelectedOption);
source.SetSelectionSilently(targetOption);
SaveSeatAssignments();
}
public void AssignStudent(StudentSeatOption student, SeatCellViewModel target)
{
if (!CanEditLayout || target.IsHidden || !student.StudentId.HasValue) return;
foreach (var other in Seats.Where(s => s != target && s.SelectedOption.StudentId == student.StudentId))
other.SetSelectionSilently(StudentSeatOption.Empty);
target.SetSelectionSilently(student);
SaveSeatAssignments();
}
public void ClearSeat(SeatCellViewModel seat)
{
if (!CanEditLayout || !seat.SelectedOption.StudentId.HasValue) return;
seat.SetSelectionSilently(StudentSeatOption.Empty);
SaveSeatAssignments();
}
/// <summary>Blendet einen leeren Platz aus/ein, für den im Raum physisch kein Tisch steht
/// (z. B. eine Reihe mit einer Lücke). Nur für leere Plätze möglich, siehe
/// SeatCellViewModel.CanToggleHidden.</summary>
public void ToggleSeatHidden(SeatCellViewModel seat)
{
if (!CanEditLayout || seat.IsOccupied) return;
seat.IsHidden = !seat.IsHidden;
SaveHiddenSeats();
}
private void SaveHiddenSeats()
{
if (_currentPlan is null) return;
_currentPlan.HiddenSeats = Seats
.Where(s => s.IsHidden)
.Select(s => new HiddenSeat { Row = s.Row, Column = s.Column })
.ToList();
_plans.Save(_currentPlan);
}
private void SaveSeatAssignments()
{
if (_currentPlan is null) return;
_currentPlan.Assignments = Seats
.Where(s => s.SelectedOption.StudentId.HasValue)
.Select(s => new SeatAssignment
{
Row = s.Row,
Column = s.Column,
StudentId = s.SelectedOption.StudentId!.Value,
}).ToList();
_plans.Save(_currentPlan);
UpdateAssignmentSummary();
}
public async Task AssessStudent(SeatCellViewModel seat)
{
if (!seat.SelectedOption.StudentId.HasValue || OnAssessStudent is null) return;
var session = EnsureTodaySession();
var assessment = new SeatAssessmentViewModel(_sessions, _participation, _aspects,
_groupId, seat.SelectedOption.StudentId.Value, seat.SelectedOption.DisplayName, IsEditable,
session?.Id);
await OnAssessStudent(assessment);
RefreshSeatLessonData();
OnAssessmentChanged?.Invoke();
}
[RelayCommand(CanExecute = nameof(CanEdit))]
private async Task AddPlan()
{
if (OnEditPlan is null) return;
var plan = await OnEditPlan(null);
if (plan is not null) ReloadPlans(plan.Id);
}
[RelayCommand(CanExecute = nameof(CanEditSelected))]
private async Task EditPlan()
{
if (_currentPlan is null || OnEditPlan is null) return;
var plan = await OnEditPlan(_currentPlan);
if (plan is not null) ReloadPlans(plan.Id);
}
[RelayCommand(CanExecute = nameof(CanEditSelected))]
private async Task DeletePlan()
{
if (SelectedPlan is null || OnConfirmDelete is null || !await OnConfirmDelete(SelectedPlan)) return;
_plans.Delete(SelectedPlan.Id);
ReloadPlans();
}
/// <summary>
/// Klausur-Sitzplan mischen (14, Nutzer-Idee): erzeugt aus dem aktuell gewählten Plan einen
/// neuen, unabhängigen Plan mit gleichem Raster/Raum, aber zufällig vertauschten Insassen der
/// belegten Plätze (Fisher-Yates via <see cref="Random.Shared"/>) — die Platzkoordinaten selbst
/// bleiben unverändert, nur wer wo sitzt wird neu gewürfelt. Der ursprüngliche Plan bleibt
/// unangetastet erhalten, damit er bei Bedarf für den nächsten regulären Unterricht weiter
/// genutzt werden kann.
/// </summary>
[RelayCommand(CanExecute = nameof(CanEditSelected))]
private void ShuffleSeats()
{
if (_currentPlan is null) return;
var studentIds = _currentPlan.Assignments.Select(a => a.StudentId).ToArray();
Random.Shared.Shuffle(studentIds);
var shuffled = new SeatingPlan
{
GroupId = _currentPlan.GroupId,
Name = $"{_currentPlan.Name} (Klausur gemischt {DateTime.Now:dd.MM. HH:mm})",
Room = _currentPlan.Room,
Rows = _currentPlan.Rows,
Columns = _currentPlan.Columns,
ColumnGapWidths = [.. _currentPlan.ColumnGapWidths],
IsBoardAtBottom = _currentPlan.IsBoardAtBottom,
HiddenSeats = _currentPlan.HiddenSeats.Select(h => new HiddenSeat { Row = h.Row, Column = h.Column }).ToList(),
Assignments = _currentPlan.Assignments
.Select((a, i) => new SeatAssignment { Row = a.Row, Column = a.Column, StudentId = studentIds[i] })
.ToList(),
};
_plans.Save(shuffled);
ReloadPlans(shuffled.Id);
}
partial void OnIsEditModeChanged(bool value)
{
OnPropertyChanged(nameof(CanEditLayout));
foreach (var seat in Seats)
{
seat.CanEdit = CanEditLayout;
seat.CanRecordLesson = IsEditable && !value;
}
NotifyCommands();
}
private bool CanEdit() => IsEditable && (IsEditMode || !HasPlans);
private bool CanEditSelected() => CanEditLayout && _currentPlan is not null;
private void NotifyCommands()
{
AddPlanCommand.NotifyCanExecuteChanged();
EditPlanCommand.NotifyCanExecuteChanged();
DeletePlanCommand.NotifyCanExecuteChanged();
ShuffleSeatsCommand.NotifyCanExecuteChanged();
}
}
public sealed class SeatingPlanSummary
{
public Guid Id { get; }
public string Name { get; }
public string RoomDisplay { get; }
public SeatingPlanSummary(SeatingPlan plan)
{
Id = plan.Id;
Name = plan.Name;
RoomDisplay = string.IsNullOrWhiteSpace(plan.Room) ? "Kein Raum" : $"Raum {plan.Room}";
}
}
public sealed record StudentSeatOption(Guid? StudentId, string DisplayName)
{
public static StudentSeatOption Empty { get; } = new(null, "— frei —");
}
public sealed class ParticipationSessionOption(ParticipationSession session)
{
public Guid Id => session.Id;
public Guid? LessonId => session.LessonId;
public DateOnly Date => session.Date;
public string DisplayName => string.IsNullOrWhiteSpace(session.Comment)
? $"{session.Date:dd.MM.yyyy}"
: $"{session.Date:dd.MM.yyyy} · {session.Comment}";
}
public partial class SeatCellViewModel : ObservableObject
{
private readonly Action<SeatCellViewModel> _onChanged;
private bool _suppressChange;
private readonly Action<SeatCellViewModel, string> _toggleSituationTag;
private readonly Action<SeatCellViewModel> _toggleHidden;
[ObservableProperty] private StudentSeatOption _selectedOption;
[ObservableProperty] private bool _isDropTarget;
public int Row { get; }
public int Column { get; }
public string PositionLabel => $"Reihe {Row + 1} · Platz {Column + 1}";
public ObservableCollection<StudentSeatOption> Options { get; }
[ObservableProperty] private bool _canEdit;
[ObservableProperty] private double _lessonOpacity = 1.0;
[ObservableProperty] private string _attendanceBadge = "";
[ObservableProperty] private string _homeworkBadge = "";
[ObservableProperty] private string _dayHighlightBadge = "";
[ObservableProperty] private int _raisedHandCount;
[ObservableProperty] private int _calledOnCount;
public ObservableCollection<SituationTagChoice> SituationTags { get; } = [];
public bool HasAttendanceBadge => AttendanceBadge.Length > 0;
public bool HasHomeworkBadge => HomeworkBadge.Length > 0;
public bool HasDayHighlightBadge => DayHighlightBadge.Length > 0;
public bool ShowLessonOverview => IsOccupied && !CanEdit;
[ObservableProperty] private bool _canRecordLesson;
public bool IsOccupied => SelectedOption.StudentId.HasValue;
public string StudentName => IsOccupied ? SelectedOption.DisplayName : IsHidden ? "Kein Tisch" : "Freier Platz";
/// <summary>Kein Tisch an dieser Position im Raum vorhanden (siehe SeatingPlan.HiddenSeats).
/// Bleibt außerhalb des Bearbeitungsmodus Teil des Rasters (für die Spaltenausrichtung), wird
/// dort aber nicht gerendert - siehe ShowSeat.</summary>
[ObservableProperty] private bool _isHidden;
/// <summary>Im Ansichtsmodus werden ausgeblendete Plätze nicht gerendert; im Bearbeitungsmodus
/// bleiben sie sichtbar (abgeblendet), damit sie wieder eingeblendet werden können.</summary>
public bool ShowSeat => !IsHidden || CanEdit;
/// <summary>Nur leere Plätze können ausgeblendet werden - ein belegter Platz müsste sonst
/// erst geräumt werden, was beim bloßen Ausblenden überraschend wäre.</summary>
public bool CanToggleHidden => CanEdit && !IsOccupied;
public string HiddenToggleLabel => IsHidden ? "Tisch einblenden" : "Kein Tisch hier";
/// <summary>Kombiniert LessonOpacity (Abwesenheits-Abblendung) mit dem Ausblenden-Zustand -
/// Opacity ist im DataTemplate bereits lokal an LessonOpacity gebunden gewesen; ein lokal
/// gebundener Wert überschreibt aber jeden Style-Setter für dieselbe Eigenschaft, daher muss
/// die Abblendung für ausgeblendete Plätze hier statt per CSS-Klasse erfolgen.</summary>
public double DisplayOpacity => IsHidden ? 0.4 : LessonOpacity;
private readonly Action<SeatCellViewModel, bool> _tally;
public SeatCellViewModel(int row, int column, ObservableCollection<StudentSeatOption> options,
StudentSeatOption selectedOption, Action<SeatCellViewModel> onChanged, bool canEdit,
Action<SeatCellViewModel, string>? toggleSituationTag = null, bool canRecordLesson = false,
bool isHidden = false, Action<SeatCellViewModel>? toggleHidden = null,
Action<SeatCellViewModel, bool>? tally = null)
{
Row = row;
Column = column;
Options = options;
_selectedOption = selectedOption;
_onChanged = onChanged;
_canEdit = canEdit;
_toggleSituationTag = toggleSituationTag ?? ((_, _) => { });
_canRecordLesson = canRecordLesson;
_isHidden = isHidden;
_toggleHidden = toggleHidden ?? (_ => { });
_tally = tally ?? ((_, _) => { });
foreach (var tag in SituationTagChoice.DefaultTags)
SituationTags.Add(new SituationTagChoice(tag, false, value => _toggleSituationTag(this, value)));
}
/// Strichliste im Sitzplan (Nutzer-Feedback): schnelles Mitzählen während des Unterrichts,
/// ohne dafür den vollen Sitzplatz-Bewertungsdialog öffnen zu müssen — bewusst nur ein
/// Hochzählen ohne Korrekturmöglichkeit hier direkt auf der Kachel; die Rohwerte bleiben über
/// den Bewertungsdialog einsehbar und fließen dort als Quantitäts-Vorschlag ein.
[RelayCommand] private void TallyRaisedHand() => _tally(this, false);
[RelayCommand] private void TallyCalledOn() => _tally(this, true);
partial void OnSelectedOptionChanged(StudentSeatOption value)
{
OnPropertyChanged(nameof(IsOccupied));
OnPropertyChanged(nameof(StudentName));
OnPropertyChanged(nameof(ShowLessonOverview));
OnPropertyChanged(nameof(CanToggleHidden));
if (!_suppressChange) _onChanged(this);
}
partial void OnCanEditChanged(bool value)
{
OnPropertyChanged(nameof(ShowLessonOverview));
OnPropertyChanged(nameof(ShowSeat));
OnPropertyChanged(nameof(CanToggleHidden));
}
partial void OnIsHiddenChanged(bool value)
{
OnPropertyChanged(nameof(ShowSeat));
OnPropertyChanged(nameof(StudentName));
OnPropertyChanged(nameof(DisplayOpacity));
OnPropertyChanged(nameof(HiddenToggleLabel));
}
partial void OnLessonOpacityChanged(double value) => OnPropertyChanged(nameof(DisplayOpacity));
[RelayCommand]
private void ToggleHidden() => _toggleHidden(this);
public void SetSelectionSilently(StudentSeatOption option)
{
_suppressChange = true;
SelectedOption = option;
_suppressChange = false;
}
public void SetLessonData(ParticipationEntry? entry, IEnumerable<string> tags)
{
var attendance = entry?.Attendance;
AttendanceBadge = attendance is null ? "" : AttendanceDisplay.ShortLabel(attendance);
HomeworkBadge = entry is null ? "" : HomeworkDisplay.Symbol(HomeworkDisplay.Effective(entry));
DayHighlightBadge = DayHighlightDisplay.Symbol(entry?.DayHighlight);
RaisedHandCount = entry?.RaisedHandCount ?? 0;
CalledOnCount = entry?.CalledOnCount ?? 0;
LessonOpacity = attendance is not null and not AttendanceStatus.Present
and not AttendanceStatus.Late and not AttendanceStatus.SignificantlyLate ? 0.42 : 1.0;
var selected = tags.ToHashSet(StringComparer.OrdinalIgnoreCase);
foreach (var choice in SituationTags) choice.IsSelected = selected.Contains(choice.Text);
OnPropertyChanged(nameof(HasAttendanceBadge));
OnPropertyChanged(nameof(HasHomeworkBadge));
OnPropertyChanged(nameof(HasDayHighlightBadge));
}
}
public partial class SituationTagChoice(string text, bool isSelected, Action<string> toggle) : ObservableObject
{
public static readonly string[] DefaultTags =
[
"Mitarbeit verweigert", "Unterricht gestört", "Streit/Konflikt",
"Langer Toilettengang", "Material vergessen", "Handynutzung",
"Besonders hilfsbereit", "Sehr gute Mitarbeit", "Gespräch erforderlich",
];
public string Text { get; } = text;
[ObservableProperty] private bool _isSelected = isSelected;
[RelayCommand] private void Toggle() => toggle(Text);
}
public partial class SeatAssessmentViewModel : ObservableObject
{
private readonly IParticipationRepository _entries;
private readonly ParticipationEntry? _entry;
private readonly bool _canEdit;
[ObservableProperty] private int _selectedAspectIndex;
[ObservableProperty] private string _attendanceLabel = "Noch nicht kontrolliert";
[ObservableProperty] private string _homeworkLabel = "Keine Hausaufgabe aufgegeben";
[ObservableProperty] private string _dayHighlightLabel = "Keine Markierung";
public string StudentName { get; }
public string SessionDisplay { get; }
public bool CanEdit => _canEdit && _entry is not null;
public string ReadOnlyHint => _entry is null
? "Für heute existiert keine Sitzung. In einer archivierten Gruppe kann keine neue angelegt werden."
: "Archivierte Lerngruppe Bewertung nur ansehen.";
public ObservableCollection<SeatAssessmentAspectRow> AspectRows { get; } = [];
public ObservableCollection<SeatAttendanceChoice> AttendanceChoices { get; } = [];
public ObservableCollection<SeatHomeworkChoice> HomeworkChoices { get; } = [];
public ObservableCollection<SeatDayHighlightChoice> DayHighlightChoices { get; } = [];
public SeatAssessmentViewModel(IParticipationSessionRepository sessions,
IParticipationRepository entries, IParticipationAspectRepository aspects,
Guid groupId, Guid studentId, string studentName, bool canEdit, Guid? sessionId = null)
{
_entries = entries;
_canEdit = canEdit;
StudentName = studentName;
var today = DateOnly.FromDateTime(DateTime.Today);
var session = sessionId.HasValue ? sessions.GetById(sessionId.Value) : null;
session ??= sessions.GetByGroup(groupId).FirstOrDefault(s => s.Date == today);
if (session is null && canEdit)
{
session = new ParticipationSession
{
GroupId = groupId,
Date = today,
Comment = "Sitzplan",
};
sessions.Save(session);
}
SessionDisplay = session is null ? "Keine Sitzung für heute" : $"{session.Date:dd.MM.yyyy} · {session.Comment}";
_entry = session is null ? null
: entries.GetBySessionAndStudent(session.Id, studentId)
?? new ParticipationEntry { SessionId = session.Id, StudentId = studentId };
var aspectDefinitions = aspects.GetDefaults().Concat(aspects.GetByGroup(groupId)).ToList();
if (aspectDefinitions.Count == 0) aspectDefinitions = DefaultParticipationAspects.All.Select(a => new ParticipationAspect
{
Key = a.Key, Label = a.Label, ValueType = a.ValueType, MaxPoints = a.MaxPoints,
}).ToList();
foreach (var (aspect, index) in aspectDefinitions.Select((a, i) => (a, i)))
{
var value = _entry?.Ratings.FirstOrDefault(r => r.Key == aspect.Key)?.Value;
// Quantitäts-Vorschlag aus der Sitzplan-Strichliste (Nutzer-Feedback): nur für den
// eingebauten "quantity"-Aspekt, siehe ParticipationCountSuggestion.
var raisedHandCount = aspect.Key == "quantity" ? _entry?.RaisedHandCount : null;
AspectRows.Add(new SeatAssessmentAspectRow(index, aspect, value, ApplyRating, raisedHandCount));
}
BuildAttendanceChoices();
BuildHomeworkChoices();
BuildDayHighlightChoices();
RefreshStatusChoices();
SelectAspect(0);
}
private void BuildAttendanceChoices()
{
AttendanceChoices.Add(new("✓", "Anwesend", "Strg+1", AttendanceStatus.Present, SetAttendance));
AttendanceChoices.Add(new("?", "Entschuldigung offen", "Strg+2", AttendanceStatus.ExcusePending, SetAttendance));
AttendanceChoices.Add(new("⊘", "Entschuldigt", "Strg+5", AttendanceStatus.Excused, SetAttendance));
AttendanceChoices.Add(new("◇", "Schulveranstaltung", "Strg+7", AttendanceStatus.OtherSchoolEvent, SetAttendance));
AttendanceChoices.Add(new("✕", "Geschwänzt", "Strg+9", AttendanceStatus.Truant, SetAttendance));
AttendanceChoices.Add(new("!", "Unentschuldigt", "Strg+0", AttendanceStatus.Unexcused, SetAttendance));
AttendanceChoices.Add(new("V", "Verspätet", "", AttendanceStatus.Late, SetAttendance));
AttendanceChoices.Add(new("V!", "Erheblich verspätet", "", AttendanceStatus.SignificantlyLate, SetAttendance));
AttendanceChoices.Add(new("A", "Im Unterricht abgängig", "", AttendanceStatus.LeftDuringClass, SetAttendance));
AttendanceChoices.Add(new("L", "Lerninsel", "", AttendanceStatus.LearningIsland, SetAttendance));
AttendanceChoices.Add(new("S", "Suspendiert", "", AttendanceStatus.Suspended, SetAttendance));
AttendanceChoices.Add(new("·", "Nicht kontrolliert", "Strg+X", null, SetAttendance));
}
private void BuildHomeworkChoices()
{
HomeworkChoices.Add(new("✓", "Gemacht", "⌥1", HomeworkStatus.Completed, SetHomework));
HomeworkChoices.Add(new("◐", "Teilweise", "⌥3", HomeworkStatus.PartiallyCompleted, SetHomework));
HomeworkChoices.Add(new("◕", "Rest nachgereicht", "⌥4", HomeworkStatus.PartialSubmittedLate, SetHomework));
HomeworkChoices.Add(new("◒", "Rest fehlt", "⌥5", HomeworkStatus.PartialMissingOverdue, SetHomework));
HomeworkChoices.Add(new("!", "Nicht gemacht", "⌥7", HomeworkStatus.MissingOpen, SetHomework));
HomeworkChoices.Add(new("↺", "Nachgereicht", "⌥8", HomeworkStatus.SubmittedLate, SetHomework));
HomeworkChoices.Add(new("✕", "Nicht nachgereicht", "⌥0", HomeworkStatus.MissingOverdue, SetHomework));
HomeworkChoices.Add(new("·", "Keine aufgegeben", "⌥X", null, SetHomework));
}
private void BuildDayHighlightChoices()
{
DayHighlightChoices.Add(new(DayHighlightDisplay.Symbol(DayHighlightKind.Standout),
DayHighlightDisplay.Label(DayHighlightKind.Standout), "⇧1", DayHighlightKind.Standout, SetDayHighlight));
DayHighlightChoices.Add(new(DayHighlightDisplay.Symbol(DayHighlightKind.Sleepy),
DayHighlightDisplay.Label(DayHighlightKind.Sleepy), "⇧2", DayHighlightKind.Sleepy, SetDayHighlight));
DayHighlightChoices.Add(new(DayHighlightDisplay.Symbol(DayHighlightKind.Rough),
DayHighlightDisplay.Label(DayHighlightKind.Rough), "⇧3", DayHighlightKind.Rough, SetDayHighlight));
DayHighlightChoices.Add(new("·", "Keine Markierung", "⇧X", null, SetDayHighlight));
}
public void SelectAspect(int index)
{
if (index < 0 || index >= AspectRows.Count) return;
SelectedAspectIndex = index;
foreach (var row in AspectRows) row.IsActive = row.Index == index;
}
public void MoveAspect(int delta)
{
if (AspectRows.Count == 0) return;
SelectAspect(Math.Clamp(SelectedAspectIndex + delta, 0, AspectRows.Count - 1));
}
public void SetRatingByNumber(int number)
{
if (!CanEdit) return;
var row = AspectRows.ElementAtOrDefault(SelectedAspectIndex);
if (row is null) return;
if (row.ValueType == AspectValueType.Points)
row.ApplyValue(Math.Clamp(number, 0, row.MaxPoints));
else
{
var steps = ParticipationRatingScale.Steps(row.ValueType);
if (number >= 1 && number <= steps.Count) row.ApplyValue(steps[number - 1].Value);
}
}
public void AdjustCurrentRating(int delta)
{
if (!CanEdit) return;
var row = AspectRows.ElementAtOrDefault(SelectedAspectIndex);
row?.Adjust(delta);
}
public void ClearCurrentRating()
{
if (!CanEdit) return;
AspectRows.ElementAtOrDefault(SelectedAspectIndex)?.ApplyValue(null);
}
public void ApplyAttendanceShortcut(int? digit, bool clear)
{
if (!CanEdit) return;
var status = clear ? null : digit switch
{
1 => AttendanceStatus.Present, 2 => AttendanceStatus.ExcusePending,
5 => AttendanceStatus.Excused, 7 => AttendanceStatus.OtherSchoolEvent,
9 => AttendanceStatus.Truant, 0 => AttendanceStatus.Unexcused,
_ => (AttendanceStatus?)null,
};
if (clear || digit is 0 or 1 or 2 or 5 or 7 or 9) SetAttendance(status);
}
public void ApplyHomeworkShortcut(int? digit, bool clear)
{
if (!CanEdit) return;
var status = clear ? null : digit switch
{
1 => HomeworkStatus.Completed, 3 => HomeworkStatus.PartiallyCompleted,
4 => HomeworkStatus.PartialSubmittedLate, 5 => HomeworkStatus.PartialMissingOverdue,
7 => HomeworkStatus.MissingOpen, 8 => HomeworkStatus.SubmittedLate,
0 => HomeworkStatus.MissingOverdue, _ => (HomeworkStatus?)null,
};
if (clear || digit is 0 or 1 or 3 or 4 or 5 or 7 or 8) SetHomework(status);
}
public void ApplyDayHighlightShortcut(int? digit, bool clear)
{
if (!CanEdit) return;
var kind = clear ? null : digit switch
{
1 => DayHighlightKind.Standout, 2 => DayHighlightKind.Sleepy, 3 => DayHighlightKind.Rough,
_ => (DayHighlightKind?)null,
};
if (clear || digit is 1 or 2 or 3) SetDayHighlight(kind);
}
private void ApplyRating(string key, int? value)
{
if (!CanEdit || _entry is null) return;
var existing = _entry.Ratings.FirstOrDefault(r => r.Key == key);
if (value is null)
{
if (existing is not null) _entry.Ratings.Remove(existing);
}
else if (existing is null) _entry.Ratings.Add(new AspectRating { Key = key, Value = value.Value });
else existing.Value = value.Value;
_entries.Save(_entry);
}
private void SetAttendance(AttendanceStatus? status)
{
if (!CanEdit || _entry is null) return;
_entry.Attendance = status;
_entries.Save(_entry);
RefreshStatusChoices();
}
private void SetHomework(HomeworkStatus? status)
{
if (!CanEdit || _entry is null) return;
_entry.Homework = status;
_entry.HomeworkMissing = HomeworkDisplay.CountsAsMissing(status);
_entries.Save(_entry);
RefreshStatusChoices();
}
private void SetDayHighlight(DayHighlightKind? kind)
{
if (!CanEdit || _entry is null) return;
_entry.DayHighlight = kind;
_entries.Save(_entry);
RefreshStatusChoices();
}
private void RefreshStatusChoices()
{
AttendanceLabel = AttendanceDisplay.Label(_entry?.Attendance);
HomeworkLabel = HomeworkDisplay.Label(_entry is null ? null : HomeworkDisplay.Effective(_entry));
DayHighlightLabel = DayHighlightDisplay.Label(_entry?.DayHighlight);
foreach (var choice in AttendanceChoices) choice.IsSelected = choice.Status == _entry?.Attendance;
var homework = _entry is null ? null : HomeworkDisplay.Effective(_entry);
foreach (var choice in HomeworkChoices) choice.IsSelected = choice.Status == homework;
foreach (var choice in DayHighlightChoices) choice.IsSelected = choice.Kind == _entry?.DayHighlight;
}
}
public partial class SeatAssessmentAspectRow : ObservableObject
{
private readonly Action<string, int?> _apply;
[ObservableProperty] private bool _isActive;
[ObservableProperty] private int? _value;
public int Index { get; }
public string Key { get; }
public string Label { get; }
public AspectValueType ValueType { get; }
public int MaxPoints { get; }
public string Shortcut => Index switch { 0 => "Q", 1 => "W", 2 => "E", 3 => "R", 4 => "T", _ => "" };
public string DisplayValue => ParticipationRatingScale.DisplayLabel(ValueType, Value);
public ObservableCollection<SeatRatingChoice> Choices { get; } = [];
/// Quantitäts-Vorschlag aus der Sitzplan-Strichliste (Nutzer-Feedback), siehe
/// ParticipationCountSuggestion — null, wenn keine Strichliste zu diesem Aspekt gehört.
private readonly int? _raisedHandCount;
public int? SuggestedValue { get; }
public bool HasSuggestion => SuggestedValue.HasValue && SuggestedValue != Value;
public string SuggestionLabel =>
$"{_raisedHandCount}× gemeldet → Vorschlag: {ParticipationRatingScale.DisplayLabel(ValueType, SuggestedValue)}";
public SeatAssessmentAspectRow(int index, ParticipationAspect aspect, int? value,
Action<string, int?> apply, int? raisedHandCount = null)
{
Index = index; Key = aspect.Key; Label = aspect.Label; ValueType = aspect.ValueType;
MaxPoints = aspect.MaxPoints; _value = value; _apply = apply;
_raisedHandCount = raisedHandCount;
SuggestedValue = raisedHandCount is int rhc
? ParticipationCountSuggestion.SuggestQuantity(ValueType, rhc) : null;
var steps = ValueType == AspectValueType.Points
? Enumerable.Range(0, Math.Min(MaxPoints, 9) + 1).Select(v => (v, v.ToString())).ToList()
: ParticipationRatingScale.Steps(ValueType).ToList();
foreach (var (step, i) in steps.Select((s, i) => (s, i)))
Choices.Add(new SeatRatingChoice(step.Item2, ValueType == AspectValueType.Points ? step.Item1.ToString() : (i + 1).ToString(),
step.Item1, step.Item1 == value, ApplyValue));
}
public void ApplyValue(int? value)
{
Value = value;
OnPropertyChanged(nameof(DisplayValue));
OnPropertyChanged(nameof(HasSuggestion));
foreach (var choice in Choices) choice.IsSelected = choice.Value == value;
_apply(Key, value);
}
[RelayCommand] private void ApplySuggestion() => ApplyValue(SuggestedValue);
public void Adjust(int delta)
{
if (ValueType == AspectValueType.Points)
{
ApplyValue(Math.Clamp((Value ?? (delta > 0 ? -1 : MaxPoints + 1)) + delta, 0, MaxPoints));
return;
}
var steps = ParticipationRatingScale.Steps(ValueType).Select(s => s.Value).ToList();
if (steps.Count == 0) return;
var index = Value.HasValue ? steps.IndexOf(Value.Value) : (delta > 0 ? -1 : steps.Count);
ApplyValue(steps[Math.Clamp(index + delta, 0, steps.Count - 1)]);
}
[RelayCommand] private void Clear() => ApplyValue(null);
[RelayCommand] private void Increment() => Adjust(1);
[RelayCommand] private void Decrement() => Adjust(-1);
}
public partial class SeatRatingChoice(string label, string shortcut, int value, bool isSelected,
Action<int?> apply) : ObservableObject
{
public string Label { get; } = label;
public string Shortcut { get; } = shortcut;
public int Value { get; } = value;
[ObservableProperty] private bool _isSelected = isSelected;
[RelayCommand] private void Apply() => apply(Value);
}
public partial class SeatAttendanceChoice(string symbol, string label, string shortcut,
AttendanceStatus? status, Action<AttendanceStatus?> apply) : ObservableObject
{
public string Symbol { get; } = symbol;
public string Label { get; } = label;
public string Shortcut { get; } = shortcut;
public AttendanceStatus? Status { get; } = status;
[ObservableProperty] private bool _isSelected;
[RelayCommand] private void Apply() => apply(Status);
}
public partial class SeatHomeworkChoice(string symbol, string label, string shortcut,
HomeworkStatus? status, Action<HomeworkStatus?> apply) : ObservableObject
{
public string Symbol { get; } = symbol;
public string Label { get; } = label;
public string Shortcut { get; } = shortcut;
public HomeworkStatus? Status { get; } = status;
[ObservableProperty] private bool _isSelected;
[RelayCommand] private void Apply() => apply(Status);
}
public partial class SeatDayHighlightChoice(string symbol, string label, string shortcut,
DayHighlightKind? kind, Action<DayHighlightKind?> apply) : ObservableObject
{
public string Symbol { get; } = symbol;
public string Label { get; } = label;
public string Shortcut { get; } = shortcut;
public DayHighlightKind? Kind { get; } = kind;
[ObservableProperty] private bool _isSelected;
[RelayCommand] private void Apply() => apply(Kind);
}
public partial class SeatingPlanDialogViewModel : ObservableObject
{
private readonly ISeatingPlanRepository _plans;
private readonly Guid _groupId;
private readonly SeatingPlan? _editingPlan;
[ObservableProperty] private string _name = "";
[ObservableProperty] private string _room = "";
[ObservableProperty] private decimal _rows = 4;
[ObservableProperty] private decimal _columns = 4;
[ObservableProperty] private bool _isBoardAtBottom;
[ObservableProperty] private string _nameError = "";
[ObservableProperty] private string _layoutError = "";
public SeatingPlan? Result { get; private set; }
public ObservableCollection<ColumnGapEditor> ColumnGaps { get; } = [];
public string DialogTitle => _editingPlan is null ? "Neuen Sitzplan anlegen" : "Sitzplan bearbeiten";
public string SaveButtonText => _editingPlan is null ? "Anlegen" : "Speichern";
public SeatingPlanDialogViewModel(ISeatingPlanRepository plans, Guid groupId, SeatingPlan? editingPlan)
{
_plans = plans;
_groupId = groupId;
_editingPlan = editingPlan;
RebuildColumnGaps(decimal.ToInt32(Columns));
if (editingPlan is null) return;
Name = editingPlan.Name ?? "";
Room = editingPlan.Room ?? "";
Rows = editingPlan.Rows;
Columns = editingPlan.Columns;
IsBoardAtBottom = editingPlan.IsBoardAtBottom;
var savedGapWidths = editingPlan.ColumnGapWidths ?? [];
for (var i = 0; i < ColumnGaps.Count && i < savedGapWidths.Count; i++)
ColumnGaps[i].Width = (decimal)savedGapWidths[i];
}
partial void OnColumnsChanged(decimal value) => RebuildColumnGaps(decimal.ToInt32(value));
private void RebuildColumnGaps(int columns)
{
var previous = ColumnGaps.ToDictionary(g => g.AfterColumn, g => g.Width);
ColumnGaps.Clear();
for (var afterColumn = 1; afterColumn < columns; afterColumn++)
ColumnGaps.Add(new ColumnGapEditor(afterColumn, previous.GetValueOrDefault(afterColumn)));
}
[RelayCommand]
private void Save()
{
NameError = "";
LayoutError = "";
var valid = true;
if (string.IsNullOrWhiteSpace(Name))
{
NameError = "Bitte einen Namen eingeben.";
valid = false;
}
if (Rows is < 1 or > 10 || Columns is < 1 or > 10)
{
LayoutError = "Reihen und Plätze müssen zwischen 1 und 10 liegen.";
valid = false;
}
if (!valid) return;
var plan = _editingPlan ?? new SeatingPlan { GroupId = _groupId };
plan.Name = Name?.Trim() ?? "";
plan.Room = Room?.Trim() ?? "";
plan.Rows = decimal.ToInt32(Rows);
plan.Columns = decimal.ToInt32(Columns);
plan.IsBoardAtBottom = IsBoardAtBottom;
plan.ColumnGapWidths = ColumnGaps.Select(g => decimal.ToDouble(g.Width)).ToList();
try
{
_plans.Save(plan);
Result = plan;
}
catch (InvalidOperationException ex)
{
NameError = ex.Message;
}
}
}
public partial class ColumnGapEditor(int afterColumn, decimal width) : ObservableObject
{
public int AfterColumn { get; } = afterColumn;
public string Label => $"Nach Platz {AfterColumn}";
[ObservableProperty] private decimal _width = width;
}