EditTrackModal.razor

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@inherits BaseLocalizedComponent

@inject IStringLocalizer<EditTrackModal> _localizer
@inject ApplicationOptionsTimeSpanParser _applicationOptionsTimeSpanParser
@inject AutocompleteManager _autocompleteManager
@inject ValidationService _validationService

<MudDialog>
    <TitleContent>
        <MudText Typo="Typo.h5">@_localizer["Edit track details"]</MudText>
    </TitleContent>
    <DialogContent>
        <MudForm Model="EditedTrack">
            <MudSwitch @bind-Value="EditedTrack.IsLinkedToPreviousTrack" Label="@_localizer["Link to previous track"]" Color="Color.Primary" Error="!String.IsNullOrEmpty(GetValidationErrorMessage(EditedTrack, nameof(Track.IsLinkedToPreviousTrack)))"
                       ErrorText="@GetValidationErrorMessage(EditedTrack, nameof(Track.IsLinkedToPreviousTrack))" />
            <MudTextField @bind-Value="EditedTrack.Position" Label="@_localizer["Position"]" Variant="Variant.Outlined" Error="!String.IsNullOrEmpty(GetValidationErrorMessage(EditedTrack, nameof(Track.Position)))"
                          ErrorText="@GetValidationErrorMessage(EditedTrack, nameof(Track.Position))" />
            @{
                MusicBrainzArtist? autocompleteArtist = new()
                {
                    Name = EditedTrack.Artist
                };
            }
            <MudAutocomplete T="MusicBrainzArtist" Label="@_localizer["Artist"]" Variant="Variant.Outlined" SearchFunc="_autocompleteManager.SearchArtistsAsync" ToStringFunc="(value) => value.Name"
                             @bind-Text="EditedTrack.Artist" @bind-Value="autocompleteArtist" Clearable ShowProgressIndicator Error="!String.IsNullOrEmpty(GetValidationErrorMessage(EditedTrack, nameof(Track.Artist)))"
                             ErrorText="@GetValidationErrorMessage(EditedTrack, nameof(Track.Artist))" MaxItems="null" CoerceText="false">
                <ItemTemplate Context="autocompleteContext">
                    <MudText>@autocompleteContext.Name</MudText>
                    @if (autocompleteContext.Disambiguation != null)
                    {
                        <MudSpacer />
                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">@autocompleteContext.Disambiguation</MudText>
                    }
                </ItemTemplate>
            </MudAutocomplete>
            @{
                MusicBrainzTrack? autocompleteTrack = new()
                {
                    Artist = EditedTrack.Artist,
                    Title = EditedTrack.Title
                };
            }
            <MudAutocomplete T="MusicBrainzTrack" Label="@_localizer["Title"]" Variant="Variant.Outlined" SearchFunc="(value, token) => _autocompleteManager.SearchTitlesAsync(value, EditedTrack.Artist, token)" ToStringFunc="(value) => value.Title"
                             @bind-Text="EditedTrack.Title" Value="autocompleteTrack" ValueChanged="TitleSelected" Clearable ShowProgressIndicator 
                             Error="!String.IsNullOrEmpty(GetValidationErrorMessage(EditedTrack, nameof(Track.Title)))" ErrorText="@GetValidationErrorMessage(EditedTrack, nameof(Track.Title))" MaxItems="null" CoerceText="false">
                <ItemTemplate Context="autocompleteContext">
                    <MudText>@autocompleteContext.Title</MudText>
                    @if (autocompleteContext.Disambiguation != null)
                    {
                        <MudSpacer />
                        <MudText Typo="Typo.subtitle2" Color="Color.Secondary">@autocompleteContext.Disambiguation</MudText>
                    }
                </ItemTemplate>
            </MudAutocomplete>
            <MudTextField Label="@_localizer["Begin"]" Variant="Variant.Outlined" Value="@EditedTrack.Begin.ToString()" ValueChanged="(string value) => _applicationOptionsTimeSpanParser.TimespanTextChanged<Track, TimeSpan?>(EditedTrack, x => x.Begin, value)" 
                          Error="!String.IsNullOrEmpty(GetValidationErrorMessage(EditedTrack, nameof(Track.Begin)))" ErrorText="@GetValidationErrorMessage(EditedTrack, nameof(Track.Begin))" />
            <MudTextField Label="@_localizer["End"]" Variant="Variant.Outlined" Value="@EditedTrack.End.ToString()" ValueChanged="(string value) => _applicationOptionsTimeSpanParser.TimespanTextChanged<Track, TimeSpan?>(EditedTrack, x => x.End, value)"
                          Error="!String.IsNullOrEmpty(GetValidationErrorMessage(EditedTrack, nameof(Track.End)))" ErrorText="@GetValidationErrorMessage(EditedTrack, nameof(Track.End))" />
            <MudTextField Label="@_localizer["Length"]" Variant="Variant.Outlined" Value="@EditedTrack.Length.ToString()" ValueChanged="(string value) => _applicationOptionsTimeSpanParser.TimespanTextChanged<Track, TimeSpan?>(EditedTrack, x => x.Length, value)"
                          Error="!String.IsNullOrEmpty(GetValidationErrorMessage(EditedTrack, nameof(Track.Length)))" ErrorText="@GetValidationErrorMessage(EditedTrack, nameof(Track.Length))" />
            <MudField Label="@_localizer["Flags"]" Variant="Variant.Outlined" Error="!String.IsNullOrEmpty(GetValidationErrorMessage(EditedTrack, nameof(Track.Flags)))" ErrorText="@GetValidationErrorMessage(EditedTrack, nameof(Track.Flags))">
                <MudChipSet T="Flag" SelectedValues="EditedTrack.Flags.ToList().AsReadOnly()" SelectedValuesChanged="(newFlags) => EditedTrack.Flags = newFlags" CheckMark SelectionMode="SelectionMode.MultiSelection" Variant="Variant.Text" Color="Color.Info">
                    @foreach(var flag in Flag.AvailableFlags)
                    {
                        <MudChip Value="flag">@flag.Name</MudChip>
                    }
                </MudChipSet>
            </MudField>
            <MudTextField Label="@_localizer["PreGap"]" Variant="Variant.Outlined" Value="@EditedTrack.PreGap.ToString()" ValueChanged="(string value) => _applicationOptionsTimeSpanParser.TimespanTextChanged<Track, TimeSpan?>(EditedTrack, x => x.PreGap, value)"
                          Error="!String.IsNullOrEmpty(GetValidationErrorMessage(EditedTrack, nameof(Track.PreGap)))" ErrorText="@GetValidationErrorMessage(EditedTrack, nameof(Track.PreGap))" />
            <MudTextField Label="@_localizer["PostGap"]" Variant="Variant.Outlined" Value="@EditedTrack.PostGap.ToString()" ValueChanged="(string value) => _applicationOptionsTimeSpanParser.TimespanTextChanged<Track, TimeSpan?>(EditedTrack, x => x.PostGap, value)"
                          Error="!String.IsNullOrEmpty(GetValidationErrorMessage(EditedTrack, nameof(Track.PostGap)))" ErrorText="@GetValidationErrorMessage(EditedTrack, nameof(Track.PostGap))" />
        </MudForm>
    </DialogContent>
    <DialogActions>
        <MudButton Color="Color.Info" Variant="Variant.Filled" OnClick="() => MudDialog?.Close(DialogResult.Ok(EditedTrack))">@_localizer["Save changes"]</MudButton>
    </DialogActions>
</MudDialog>

@code {
    [CascadingParameter]
    private IMudDialogInstance? MudDialog { get; set; }

    [Parameter]
    [EditorRequired]
    public Track EditedTrack { get; set; } = null!;

    void TitleSelected(MusicBrainzTrack? musicBrainzTrack)
    {
        if ((String.IsNullOrEmpty(EditedTrack.Artist)) && (String.IsNullOrEmpty(musicBrainzTrack?.Artist) == false))
        {
            EditedTrack.Artist = musicBrainzTrack.Artist;
        }
        if ((EditedTrack.Length.HasValue == false) && (musicBrainzTrack?.Length.HasValue == true))
        {
            EditedTrack.Length = musicBrainzTrack?.Length;
        }
    }

    String? GetValidationErrorMessage(object model, string propertyName)
    {
        String? validationErrorMessage = null;
        var validationMessages = _validationService.Validate(model, propertyName);
        if (validationMessages.Count() > 0)
        {
            validationErrorMessage = String.Join(Environment.NewLine, validationMessages);
        }
        return validationErrorMessage;
    }
}