Mitarbeit bewerten begonnen, Schülerdaten, Gruppen

2026-06-23 10:12:52 +02:00
parent fdbaa9ef4d
commit b2211270b4
32 changed files with 1968 additions and 49 deletions
@@ -0,0 +1,121 @@
+using Avalonia.Controls;
+using Avalonia.Controls.Templates;
+using Avalonia.Data;
+using LehrerApp.Desktop.ViewModels.Groups;
+
+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.OnQuickInput = ShowQuickInputDialog;
+            vm.Aspects.CollectionChanged += (_, _) => 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),
+        });
+
+        foreach (var (aspect, i) in _vm.Aspects.Select((a, i) => (a, i)))
+        {
+            var capturedIndex = i;
+            grid.Columns.Add(new DataGridTemplateColumn
+            {
+                Header = $"{aspect.Label}  [{AspectShortcut(i)}]",
+                Width  = new DataGridLength(1, DataGridLengthUnitType.Star),
+                CellTemplate = BuildCellTemplate(capturedIndex),
+            });
+        }
+    }
+
+    private static IDataTemplate BuildCellTemplate(int aspectIndex)
+    {
+        return new FuncDataTemplate<ParticipationStudentRow>((row, _) =>
+        {
+            if (row is null) return new TextBlock();
+
+            var cell = row.Cells.ElementAtOrDefault(aspectIndex);
+            if (cell is null) return new TextBlock();
+
+            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 (label, val) in new[] { ("−−", -2), ("−", -1), ("∼", 0), ("+", 1), ("++", 2) })
+            {
+                var btn = new Button
+                {
+                    Content = label,
+                    Padding = new Avalonia.Thickness(5, 1),
+                    FontSize = 11,
+                    Opacity = cell.Value == val ? 1.0 : 0.3,
+                };
+                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 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 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);
+    }
+}