34 lines
1.1 KiB
C#
34 lines
1.1 KiB
C#
using System;
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using System.Globalization;
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using Avalonia.Data;
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using Avalonia.Data.Converters;
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using Ocarina2.Models;
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namespace Ocarina2.Converter;
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public class SongMetadataConverter:IValueConverter
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{
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public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
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{
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if(!int.TryParse(parameter as string,out var p)) return new BindingNotification(new InvalidCastException(), BindingErrorType.Error); // get int param
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// for null return placeholders
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if (value == null && p == 1) return "Nothing";
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if (value == null && p == 2) return "Start playing something...";
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if (value is MusicFile m)
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{
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if (p == 1)
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{
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return m.Metadata.Tag.Title;
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}
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return m.Metadata.Tag.FirstPerformer == ""?"Unknown":m.Metadata.Tag.FirstPerformer;
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}
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return new BindingNotification(new InvalidCastException(), BindingErrorType.Error);
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}
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public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
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{
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throw new NotImplementedException();
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}
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} |