[chore:] implemented student view

MainWindow.axaml

@@ -3,21 +3,21 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-        x:Class="spplus.MainWindow"
-        Title="spplus">
+        x:Class="spplus.MainWindow" WindowState="Maximized"
+        Title="SP+">
     <Border>
         <Grid RowDefinitions="30,*">
             <Menu Background="#50888888">
                 <MenuItem Header="Datei">
                     <!-- <MenuItem Click="MnuSettings_OnClick" x:Name="MnuSettings" Header="Einstellungen" /> -->
                     <!-- <Separator /> -->
-                    <MenuItem x:Name="MnuExpSettings" Header="Einstellungen exportieren" />
-                    <MenuItem x:Name="MnuExit" Header="Beenden" />
+                    <MenuItem x:Name="MnuExpSettings" Header="Einstellungen exportieren" Click="MnuExpSettings_OnClick" />
+                    <MenuItem x:Name="MnuExit" Header="Beenden" Click="MnuExit_OnClick"/>
                 </MenuItem>
                 <MenuItem Header="Hilfe">
-                    <MenuItem Header="Onlinehilfe" x:Name="MnuHelp" />
-                    <MenuItem Header="Git" x:Name="MnuGit" />
-                    <MenuItem Header="Über" x:Name="MnuAbout"  />
+                    <MenuItem Header="Onlinehilfe" x:Name="MnuHelp" Click="MnuHelp_OnClick"/>
+                    <MenuItem Header="Git" x:Name="MnuGit" Click="MnuGit_OnClick"/>
+                    <MenuItem Header="Über" x:Name="MnuAbout" Click="MnuAbout_OnClick"  />
                 </MenuItem>
             </Menu>
             <TabControl Grid.Row="1">
@@ -28,7 +28,67 @@
                             <Label FontSize="20" Content="Planung" VerticalContentAlignment="Center" />
                         </StackPanel>
                     </TabItem.Header>
-                    <Grid RowDefinitions="2*,*,*">
+                    <Grid ColumnDefinitions="*,2*" RowDefinitions="*,*">
+                        <Button Grid.RowSpan="2" Margin="0,10,0,0" x:Name="BtnImport" VerticalAlignment="Top" Height="50" HorizontalAlignment="Stretch" Click="BtnImport_OnClick" HorizontalContentAlignment="Center">
+                            <StackPanel Orientation="Horizontal">
+                                <LucideIcon Kind="Import" Width="36" Height="36" />
+                                <Label Content="Importieren..." VerticalContentAlignment="Center" FontSize="15"
+                                       FontWeight="Bold" />
+                            </StackPanel>
+                        </Button>
+                        
+                        <Button Grid.RowSpan="2" Margin="0,00,0,10" x:Name="BtnCraftCourses" VerticalAlignment="Bottom" Height="50" HorizontalAlignment="Stretch" Click="BtnCraftCourses_OnClick" HorizontalContentAlignment="Center">
+                            <StackPanel Orientation="Horizontal">
+                                <LucideIcon Kind="Pickaxe" Width="36" Height="36" />
+                                <Label Content="Kurse basteln" VerticalContentAlignment="Center" FontSize="15"
+                                       FontWeight="Bold" />
+                            </StackPanel>
+                        </Button>
+                        
+                        <ListBox Grid.RowSpan="2" x:Name="LbStudentsImported" SelectionChanged="LbStudentsImported_OnSelectionChanged"  Margin="0,70,0,70" Background="MintCream" VerticalAlignment="Stretch" HorizontalAlignment="Stretch"></ListBox>
+                        
+                        <StackPanel Grid.Column="1" Grid.Row="0" Margin="10,10,10,10" Orientation="Vertical" Spacing="10">
+                            <Grid ColumnDefinitions="*,3*">
+                                <Label  Content="ID"></Label>
+                                <TextBox Grid.Column="1" x:Name="TbStudentID" TextChanged="TbStudentID_OnTextChanged"></TextBox>
+                            </Grid>
+                            
+                            <Grid ColumnDefinitions="*,3*">
+                                <Label  Content="Name"></Label>
+                                <TextBox Grid.Column="1" x:Name="TbStudentName" TextChanged="TbStudentName_OnTextChanged"></TextBox>
+                            </Grid>
+                            
+                            <Grid ColumnDefinitions="*,3*">
+                                <Label  Content="Sport 1"></Label>
+                                <Label Grid.Column="1" x:Name="LblSport1"></Label>
+                            </Grid>
+                            
+                            <Grid ColumnDefinitions="*,3*">
+                                <Label  Content="Sport 2"></Label>
+                                <Label Grid.Column="1" x:Name="LblSport2"></Label>
+                            </Grid>
+                            
+                            <Grid ColumnDefinitions="*,3*">
+                                <Label  Content="Sport 3"></Label>
+                                <Label Grid.Column="1" x:Name="LblSport3"></Label>
+                            </Grid>
+                            
+                            <Grid ColumnDefinitions="*,3*">
+                                <Label  Content="Sport 4"></Label>
+                                <Label Grid.Column="1" x:Name="LblSport4"></Label>
+                            </Grid>
+                        </StackPanel>
+                        <StackPanel Grid.Column="1" Grid.Row="1" Margin="10,10,10,10" Orientation="Vertical" Spacing="10">
+                            <Grid ColumnDefinitions="*,3*">
+                                <Label  Content="Anzahl Einträge"></Label>
+                                <Label Grid.Column="1" x:Name="LblStudentAmount"></Label>
+                            </Grid>
+                            
+                            <Grid ColumnDefinitions="*,3*">
+                                <Label  Content="Anzahl gewählte Kurse"></Label>
+                                <Label Grid.Column="1" x:Name="LblSelectedAmount"></Label>
+                            </Grid>
+                        </StackPanel>
                         
 
                     </Grid>

MainWindow.axaml.cs

@@ -1,4 +1,9 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
 using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Platform.Storage;
 
 namespace spplus;
 
@@ -8,4 +13,185 @@ public partial class MainWindow : Window
     {
         InitializeComponent();
     }
+
+    private void MnuExpSettings_OnClick(object? sender, RoutedEventArgs e)
+    {
+        var res = MessageBox.Show(this, "Dieses Feature ist noch nicht implementiert", "Fehlend");
+    }
+
+    private void MnuExit_OnClick(object? sender, RoutedEventArgs e)
+    {
+        Environment.Exit(0);
+    }
+
+    private void MnuHelp_OnClick(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            Process.Start(new ProcessStartInfo
+            {
+                FileName = "https://git.mypapercloud.de/fierke/spplus/wiki",
+                UseShellExecute = true // Wichtig für Plattformübergreifendes Öffnen
+            });
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"Fehler beim Öffnen des Links: {ex.Message}");
+        }
+    }
+
+    private void MnuGit_OnClick(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            Process.Start(new ProcessStartInfo
+            {
+                FileName = "https://git.mypapercloud.de/fierke/spplus",
+                UseShellExecute = true // Wichtig für Plattformübergreifendes Öffnen
+            });
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"Fehler beim Öffnen des Links: {ex.Message}");
+        }
+    }
+
+    private void MnuAbout_OnClick(object? sender, RoutedEventArgs e)
+    {
+        Window w = new();
+        w.WindowState = WindowState.Normal;
+        w.WindowStartupLocation = WindowStartupLocation.CenterScreen;
+        w.Width = 300;
+        w.Height = 120;
+        Grid g = new();
+        TextBlock tb = new()
+        {
+            Text = "spplus v1.0.0\n(c)2026 MyPapertown, Elias Fierke"
+        };
+        g.Children.Add(tb);
+        w.Content = g;
+        w.Show();
+    }
+
+    private async void BtnImport_OnClick(object? sender, RoutedEventArgs e)
+    {
+        var topLevel = GetTopLevel(this);
+        var file = await topLevel!.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
+        {
+            Title = "CSV-Datei auswählen",
+            AllowMultiple = false,
+            FileTypeFilter = new[]
+            {
+                new FilePickerFileType(".csv-Datei")
+                {
+                    Patterns = new[] { "*.csv" }
+                }
+            }
+        });
+
+        if (file == null) return;
+
+        var imported_students = import.ImportStudentsFromFile(file[0].Path.LocalPath.ToString());
+        foreach (var s in imported_students)
+        {
+            Settings.Instance.Students.Add(s);
+        }
+        RefreshImportedStudentList();
+
+    }
+
+    private void RefreshImportedStudentList()
+    {
+        LbStudentsImported.Items.Clear();
+        int count_selected = 0;
+        foreach (var s in Settings.Instance.Students)
+        {
+            LbStudentsImported.Items.Add(s);
+            count_selected += s.SelectedCourseNames.Count;
+        }
+        LblStudentAmount.Content =  Settings.Instance.Students.Count.ToString();
+        LblSelectedAmount.Content =  count_selected.ToString();
+        
+        
+    }
+
+    private void BtnCraftCourses_OnClick(object? sender, RoutedEventArgs e)
+    {
+        // Craft courses here / call course-crafter
+    }
+
+    private void LbStudentsImported_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        Prepare();
+        var stud = (Student)LbStudentsImported.SelectedItem;
+        if (stud == null)
+        {
+            TbStudentName.Text = string.Empty;
+            TbStudentID.Text = string.Empty;
+            SetEmpty();
+            return;
+        };
+
+        try
+        {
+            TbStudentName.Text = stud.Name;
+            TbStudentID.Text = stud.ID;
+            LblSport1.Content = stud.SelectedCourseNames[0];
+            LblSport2.Content = stud.SelectedCourseNames[1];
+            LblSport3.Content = stud.SelectedCourseNames[2];
+            LblSport4.Content = stud.SelectedCourseNames[3];
+        }
+        catch
+        {
+            SetEmpty();
+        }
+
+        return;
+        
+        void SetEmpty()
+        {
+            if(LblSport1.Content == "null") LblSport1.Content = "ungewählt";
+            if(LblSport2.Content == "null") LblSport2.Content = "ungewählt";
+            if(LblSport3.Content == "null") LblSport3.Content = "ungewählt";
+            if(LblSport4.Content == "null") LblSport4.Content = "ungewählt";
+        }
+
+        void Prepare()
+        {
+            LblSport1.Content = "null";
+            LblSport2.Content = "null";
+            LblSport3.Content = "null";
+            LblSport4.Content = "null";
+        }
+        
+    }
+
+    private void TbStudentName_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        try
+        {
+            ((Student)LbStudentsImported.SelectedItem).Name = TbStudentName.Text;
+            //int current = LbStudentsImported.SelectedIndex;
+            //RefreshImportedStudentList();
+            //LbStudentsImported.SelectedIndex = current;
+        }
+        catch
+        {
+            
+        }
+    }
+    private void TbStudentID_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        try
+        {
+            ((Student)LbStudentsImported.SelectedItem).Name = TbStudentID.Text;
+            //int current = LbStudentsImported.SelectedIndex;
+            //RefreshImportedStudentList();
+            //LbStudentsImported.SelectedIndex = current;
+        }
+        catch
+        {
+            
+        }
+    }
 }

MessageBox.axaml

@@ -0,0 +1,18 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" SizeToContent="WidthAndHeight"
+        x:Class="spplus.MessageBox"
+        Title="MessageBox">
+    <StackPanel>
+        <TextBlock Name="Text" Margin="10" TextWrapping="Wrap" />
+        <StackPanel HorizontalAlignment="Right" Margin="5" Orientation="Horizontal" Name="Buttons">
+            <StackPanel.Styles>
+                <Style Selector="Button">
+                    <Setter Property="Margin" Value="5" />
+                </Style>
+            </StackPanel.Styles>
+        </StackPanel>
+    </StackPanel>
+</Window>

MessageBox.axaml.cs

@@ -0,0 +1,85 @@
+using System;
+using System.Threading.Tasks;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace spplus;
+
+public partial class MessageBox : Window
+{
+    public MessageBox()
+    {
+        AvaloniaXamlLoader.Load(this);
+    }
+
+    public static Task<MessageBoxResult> Show(Window parent, string text, string title,
+        MessageBoxButton buttons = MessageBoxButton.Ok)
+    {
+        try
+        {
+            var msgbox = new MessageBox
+            {
+                Title = title
+            };
+            msgbox.FindControl<TextBlock>("Text").Text = text;
+            var buttonPanel = msgbox.FindControl<StackPanel>("Buttons");
+
+            var res = MessageBoxResult.Ok;
+
+            void AddButton(string caption, MessageBoxResult r, bool def = false)
+            {
+                var btn = new Button { Content = caption };
+                btn.Click += (_, __) =>
+                {
+                    res = r;
+                    msgbox.Close();
+                };
+                buttonPanel.Children.Add(btn);
+                if (def)
+                    res = r;
+            }
+
+            if (buttons == MessageBoxButton.Ok || buttons == MessageBoxButton.OkCancel)
+                AddButton("Ok", MessageBoxResult.Ok, true);
+            if (buttons == MessageBoxButton.YesNo || buttons == MessageBoxButton.YesNoCancel)
+            {
+                AddButton("Yes", MessageBoxResult.Yes);
+                AddButton("No", MessageBoxResult.No, true);
+            }
+
+            if (buttons == MessageBoxButton.OkCancel || buttons == MessageBoxButton.YesNoCancel)
+                AddButton("Cancel", MessageBoxResult.Cancel, true);
+
+
+            var tcs = new TaskCompletionSource<MessageBoxResult>();
+            msgbox.Closed += delegate { tcs.TrySetResult(res); };
+            if (parent != null)
+                msgbox.ShowDialog(parent);
+            else msgbox.Show();
+
+            return tcs.Task;
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine("Error while showing messagebox: " + ex.Message);
+            return Task.FromResult(MessageBoxResult.Error);
+        }
+    }
+}
+
+public enum MessageBoxButton
+{
+    Ok,
+    OkCancel,
+    YesNo,
+    YesNoCancel
+}
+
+public enum MessageBoxResult
+{
+    Ok,
+    Cancel,
+    Yes,
+    No,
+    Error
+}

README.md

@@ -1,3 +1,19 @@
-# spplus
+# SP+
+
+Interaktiver Sportkursplaner für Oberstufen auf Basis einer Sportkurswahl durch SuS.
+
+## (future) Features
+* Import von CSV-Dateien mit Kurswahl
+* Wahlansicht 
+* Statistiken
+* Pflege von Sportkursen (inkl. Kürzel/ alternativen Bezeichnungen)
+* Fehleransicht für nicht-existente, aber gewählte Kurse
+
+## Nutzung
+* Build from source: 
+    * Benötigt .NET-SDK 9.0
+    * Im Projektordner: `dotnet run`
+* Release:
+    * Suche `spplus` bzw. `spplus.exe` und führe aus
+    * Linux/MacOS evl.: `chmod +x spplus`
 
-Interaktiver Sportkursplaner für Oberstufen auf Basis einer Sportkurswahl durch SuS.

import.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+
+namespace spplus;
+
+public static class import
+{
+    public static List<Student> ImportStudentsFromFile(string path)
+    {
+        var dict = new Dictionary<string, (string Name, List<string> Courses)>();
+
+        foreach (var line in File.ReadLines(path).Skip(1)) // Header überspringen
+        {
+            if (string.IsNullOrWhiteSpace(line))
+                continue;
+
+            var parts = line.Split(',');
+            if (parts.Length < 3)
+                continue;
+
+            string nameWithId = parts[0].Trim();
+            string course = parts[2].Replace("(2)", "").Replace("(3)", "").Replace("(4)", "").Trim();
+
+            int open = nameWithId.LastIndexOf('(');
+            int close = nameWithId.LastIndexOf(')');
+            if (open < 0 || close < 0 || close <= open)
+                continue;
+
+            string name = nameWithId[..open].Trim();
+            string id = nameWithId[(open + 1)..close].Trim();
+
+            if (!dict.ContainsKey(id))
+                dict[id] = (name, new List<string>());
+
+            dict[id].Courses.Add(course);
+        }
+
+        var result = new List<Student>();
+
+        foreach (var (id, data) in dict)
+        {
+            var student = new Student(id, data.Name, data.Courses);
+            result.Add(student);
+        }
+
+        return result;
+    }
+}

structs.cs

@@ -1,3 +1,5 @@
+using System.Collections.Generic;
+
 namespace spplus;
 
 public class Sport
@@ -7,4 +9,67 @@ public class Sport
     public int MaxStudents { get; set; } = 20;          // Maximale Anzahl an Schülern pro Kurs
     public int MinStudents  { get; set; } = 5;          // Minimale Anzahl an Schülern pro Kurs
     public int[] Semester { get; set; } = [1, 2, 3, 4]; // Angebot in diesen Semestern
+
+    protected Sport()
+    {
+        
+    }
+
+    protected Sport(string name)
+    {
+        Name = name;
+    }
+
+    protected Sport(string name, int maxCoursesPerSemester, int maxStudents, int minStudents, int[] semester)
+    {
+        Name = name;
+        MaxCoursesPerSemester = maxCoursesPerSemester;
+        MaxStudents = maxStudents;
+        MinStudents = minStudents;
+        Semester = semester;
+    }
+}
+
+public class Student
+{
+    public string ID { get; set; } = "";        // ID des Schüler (z.B. NolteSeb)
+    public string Name { get; set; } = "";        // Name des Schülers
+    public Sport[] SelectedCourses { get; set; } = new Sport[4];      // Kurswahl
+    public List<string> SelectedCourseNames { get; set; } = new();
+    public List<string>? Result { get; set; } = null;
+
+    public Student()
+    {
+        
+    }
+    
+    public override string ToString()
+    {
+        return $"{Name} ({ID})";
+    }
+
+    public Student(string id, string name, List<string> selectedCoursesNames)
+    {
+        ID = id;
+        Name  = name;
+        SelectedCourseNames = selectedCoursesNames;
+    }
+}
+
+public class Settings
+{
+    public static Settings Instance = new Settings();
+
+    public List<Student> Students { get; set; } = [];
+    public List<Sport> Sports { get; set; } = [];
+
+    public Settings()
+    {
+        
+    }
+
+    public static void Import(string path)
+    {
+        // Hier importieren...
+    }
 }