[chore:] implemented student view

MainWindow.axaml

@@ -28,8 +28,8 @@
                             <Label FontSize="20" Content="Planung" VerticalContentAlignment="Center" />
                         </StackPanel>
                     </TabItem.Header>
-                    <Grid ColumnDefinitions="*,2*">
-                        <Button Margin="0,10,0,0" x:Name="BtnImport" VerticalAlignment="Top" Height="50" HorizontalAlignment="Stretch" Click="BtnImport_OnClick" HorizontalContentAlignment="Center">
+                    <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"
@@ -37,7 +37,7 @@
                             </StackPanel>
                         </Button>
                         
-                        <Button Margin="0,00,0,10" x:Name="BtnCraftCourses" VerticalAlignment="Bottom" Height="50" HorizontalAlignment="Stretch" Click="BtnCraftCourses_OnClick" HorizontalContentAlignment="Center">
+                        <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"
@@ -45,34 +45,49 @@
                             </StackPanel>
                         </Button>
                         
-                        <ListBox  Margin="0,70,0,70" Background="MintCream" VerticalAlignment="Stretch" HorizontalAlignment="Stretch"></ListBox>
+                        <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" Margin="10,10,10,10" Orientation="Vertical" Spacing="10">
+                        <StackPanel Grid.Column="1" Grid.Row="0" Margin="10,10,10,10" Orientation="Vertical" Spacing="10">
                             <Grid ColumnDefinitions="*,3*">
-                                <Label  Content="Name"></Label>
-                                <TextBox Grid.Column="1" x:Name="TbStudentName"></TextBox>
+                                <Label  Content="ID"></Label>
+                                <TextBox Grid.Column="1" x:Name="TbStudentID" TextChanged="TbStudentID_OnTextChanged"></TextBox>
                             </Grid>
                             
-                            <Grid ColumnDefinitions="*,2*">
+                            <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="*,2*">
+                            <Grid ColumnDefinitions="*,3*">
                                 <Label  Content="Sport 2"></Label>
                                 <Label Grid.Column="1" x:Name="LblSport2"></Label>
                             </Grid>
                             
-                            <Grid ColumnDefinitions="*,2*">
+                            <Grid ColumnDefinitions="*,3*">
                                 <Label  Content="Sport 3"></Label>
                                 <Label Grid.Column="1" x:Name="LblSport3"></Label>
                             </Grid>
                             
-                            <Grid ColumnDefinitions="*,2*">
+                            <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>
                         
 

MainWindow.axaml.cs

@@ -1,7 +1,9 @@
 using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
+using Avalonia.Platform.Storage;
 
 namespace spplus;
 
@@ -71,13 +73,125 @@ public partial class MainWindow : Window
         w.Show();
     }
 
-    private void BtnImport_OnClick(object? sender, RoutedEventArgs e)
+    private async void BtnImport_OnClick(object? sender, RoutedEventArgs e)
     {
-        // CSV Import
+        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
+        {
+            
+        }
+    }
 }

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

@@ -2,7 +2,7 @@ using System.Collections.Generic;
 
 namespace spplus;
 
-public abstract class Sport
+public class Sport
 {
     public string Name { get; set; } = "Neuer Kurs";    // Kursname
     public int MaxCoursesPerSemester { get; set; } = 1; // Maximale Anzahl an Kursen pro Semester
@@ -30,23 +30,29 @@ public abstract class Sport
     }
 }
 
-public abstract class Student
+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;
 
-    protected Student()
+    public Student()
     {
         
     }
     
-    protected Student(string id, string name, Sport[] selectedCourses)
+    public override string ToString()
+    {
+        return $"{Name} ({ID})";
+    }
+
+    public Student(string id, string name, List<string> selectedCoursesNames)
     {
         ID = id;
         Name  = name;
-        SelectedCourses = selectedCourses;
+        SelectedCourseNames = selectedCoursesNames;
     }
 }