ersatztv/ErsatzTV/Shared/AddToScheduleDialog.razor

@using ErsatzTV.Application.ProgramSchedules
@using NaturalSort.Extension
@implements IDisposable
@inject IMediator Mediator

<div @onkeydown="@OnKeyDown">
    <MudDialog>
        <DialogContent>
            <MudContainer Class="mb-6">
                <MudHighlighter Class="mud-primary-text"
                                Style="background-color: transparent; font-weight: bold"
                                Text="@FormatText()"
                                HighlightedText="@EntityName"/>
            </MudContainer>
            <MudSelect T="ProgramScheduleViewModel" Label="Schedule" @bind-Value="_selectedSchedule" Class="mb-6 mx-4">
                @foreach (ProgramScheduleViewModel schedule in _schedules)
                {
                    <MudSelectItem Value="@schedule">@schedule.Name</MudSelectItem>
                }
            </MudSelect>
        </DialogContent>
        <DialogActions>
            <MudButton OnClick="Cancel">Cancel</MudButton>
            <MudButton Color="Color.Primary" Variant="Variant.Filled" Disabled="@(_selectedSchedule == null)" OnClick="Submit">
                Add To Schedule
            </MudButton>
        </DialogActions>
    </MudDialog>
</div>

@code {
    private CancellationTokenSource _cts;

    [CascadingParameter]
    IMudDialogInstance MudDialog { get; set; }

    [Parameter]
    public string EntityType { get; set; }

    [Parameter]
    public string EntityName { get; set; }

    [Parameter]
    public string DetailText { get; set; }

    [Parameter]
    public string DetailHighlight { get; set; }

    private List<ProgramScheduleViewModel> _schedules;

    private ProgramScheduleViewModel _selectedSchedule;

    public void Dispose()
    {
        _cts?.Cancel();
        _cts?.Dispose();
    }

    protected override async Task OnParametersSetAsync()
    {
        _cts?.Cancel();
        _cts?.Dispose();
        _cts = new CancellationTokenSource();
        var token = _cts.Token;

        try
        {
            _schedules = await Mediator.Send(new GetAllProgramSchedules(), token)
                .Map(list => list.OrderBy(vm => vm.Name, new NaturalSortComparer(StringComparison.CurrentCultureIgnoreCase)).ToList());
        }
        catch (OperationCanceledException)
        {
            // do nothing
        }
    }

    private string FormatText() => $"Select the schedule to add the {EntityType} {EntityName}";

    private void Submit() => MudDialog.Close(DialogResult.Ok(_selectedSchedule));

    private void Cancel() => MudDialog.Cancel();

    private void OnKeyDown(KeyboardEventArgs e)
    {
        if (e.Code is "Enter" or "NumpadEnter")
        {
            Submit();
        }
    }

}