Add text box selector for students

WebApp/Components/Pages/MeetingSchedulePages/Index.razor

@@ -134,6 +134,13 @@
         </MudItem>
         <MudItem xs="5" sm="4" lg="3">
             <MudStack>
+                <MudText Typo="Typo.h4">Absent Students</MudText>
+                <StudentTextBoxSelector Students="@_students"
+                                        @bind-SelectedStudents="_absentStudents"
+                                        Title="Absent Students"
+                                        Label="Search for absent students"
+                                        ShowFullName="true"/>
+                <MudDivider Class="my-4"/>
                 <MudText Typo="Typo.h4">Scheduled Teams</MudText>
                 <MudToggleGroup T="Team"
                                 SelectionMode="SelectionMode.MultiSelection"
@@ -152,13 +159,6 @@
                         </MudToggleItem>
                     }
                 </MudToggleGroup>
-
-                <MudDivider Class="my-4" />
-
-                <StudentToggleSelector Students="@_students"
-                                      @bind-SelectedStudents="_absentStudents"
-                                      Title="Absent Students"
-                                      ShowFullName="true" />
             </MudStack>
         </MudItem>
 

WebApp/Components/StudentTextBoxSelector.razor

@@ -0,0 +1,106 @@
+@if (Title != null)
+{
+    <MudText Typo="Typo.h4">@Title</MudText>
+}
+
+<MudAutocomplete T="Student"
+                 @ref="_autocomplete"
+                 Label="@Label"
+                 @bind-Value="_currentStudent"
+                 SearchFunc="@SearchStudents"
+                 ToStringFunc="@(s => ShowFullName ? s?.FirstNameLastName : s?.FirstName)"
+                 Immediate="true"
+                 ResetValueOnEmptyText="true"
+                 CoerceText="false"
+                 CoerceValue="false"
+                 AdornmentIcon="@Icons.Material.Filled.Search"
+                 AdornmentColor="Color.Primary"
+                 Clearable="true">
+    <ItemTemplate Context="student">
+        @if (ShowFullName)
+        {
+            @student.FirstNameLastName
+        }
+        else
+        {
+            @student.FirstName
+        }
+        @if (ShowGrade)
+        {
+            <MudText Typo="Typo.caption" Color="Color.Secondary"> - Grade @student.Grade</MudText>
+        }
+    </ItemTemplate>
+</MudAutocomplete>
+
+@if (SelectedStudents.Any())
+{
+    <MudChipSet T="Student" AllClosable="true" Class="mt-2">
+        @foreach (var student in SelectedStudents.OrderBy(s => s.FirstName))
+        {
+            <MudChip T="Student"
+                     Value="@student"
+                     Text="@(ShowFullName ? student.FirstNameLastName : student.FirstName)"
+                     OnClose="@(() => RemoveStudent(student))" />
+        }
+    </MudChipSet>
+}
+
+@code {
+    [Parameter]
+    public IEnumerable<Student> Students { get; set; } = [];
+
+    [Parameter]
+    public IEnumerable<Student> SelectedStudents { get; set; } = [];
+
+    [Parameter]
+    public EventCallback<IEnumerable<Student>> SelectedStudentsChanged { get; set; }
+
+    [Parameter]
+    public string? Title { get; set; }
+
+    [Parameter]
+    public string Label { get; set; } = "Search Students";
+
+    [Parameter]
+    public bool ShowFullName { get; set; } = true;
+
+    [Parameter]
+    public bool ShowGrade { get; set; } = false;
+
+    private Student? _currentStudent
+    {
+        get => _currentStudentValue;
+        set
+        {
+            _currentStudentValue = value;
+            if (value != null && !SelectedStudents.Contains(value))
+            {
+                var updatedList = SelectedStudents.Append(value).ToList();
+                SelectedStudentsChanged.InvokeAsync(updatedList);
+                _currentStudentValue = null;
+            }
+        }
+    }
+
+    private Student? _currentStudentValue;
+    private MudAutocomplete<Student>? _autocomplete;
+
+    private async Task<IEnumerable<Student>> SearchStudents(string? searchText, CancellationToken cancellationToken)
+    {
+        if (string.IsNullOrWhiteSpace(searchText))
+            return Students.Where(s => !SelectedStudents.Contains(s));
+
+        var search = searchText.ToLower();
+        return Students
+            .Where(s => !SelectedStudents.Contains(s))
+            .Where(s => s.FirstName.ToLower().Contains(search) ||
+                       s.LastName.ToLower().Contains(search))
+            .OrderBy(s => s.FirstName);
+    }
+
+    private void RemoveStudent(Student student)
+    {
+        var updatedList = SelectedStudents.Where(s => s.Id != student.Id).ToList();
+        SelectedStudentsChanged.InvokeAsync(updatedList);
+    }
+}