29 lines
1.0 KiB
C#
29 lines
1.0 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Controls.Presenters;
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using Avalonia.Data.Converters;
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using Avalonia.Markup.Xaml.MarkupExtensions;
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using Avalonia.Markup.Xaml.Templates;
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namespace Notes;
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public class ViewModelToResourceKeyConverter: IMultiValueConverter
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{
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public object? Convert(IList<object?> values, Type targetType, object? parameter, CultureInfo culture)
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{
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var viewModel = values[0];
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var controlParent = (Control?)values[1];
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if (viewModel == null) throw new NullReferenceException(nameof(viewModel));
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var name = viewModel.GetType().FullName!.Replace("ViewModel", "View");
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return new DynamicResourceExtension(name);
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object? data = null;
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controlParent?.TryGetResource(name, null, out data);
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var dataTemplate = (DataTemplate?)data;
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if (dataTemplate == null) throw new NullReferenceException(nameof(dataTemplate));
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return dataTemplate;
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}
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}
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