47 lines
1.8 KiB
C#
47 lines
1.8 KiB
C#
using OpenArchival.Blazor.ArtifactGroupingDisplay;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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namespace OpenArchival.Blazor;
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public class FileDisplayComponentFactory
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{
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private Dictionary<string, Type> _extensionToComponents { get; set; } = [];
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public FileDisplayComponentFactory()
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{
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// Supported image file types taken from https://developer.mozilla.org/en-US/docs/Web/Media/Guides/Formats/Image_types
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RegisterComponent<FileDisplayImage>(".apng");
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RegisterComponent<FileDisplayImage>(".png");
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RegisterComponent<FileDisplayImage>(".avif");
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RegisterComponent<FileDisplayImage>(".gif");
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RegisterComponent<FileDisplayImage>(".jpg");
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RegisterComponent<FileDisplayImage>(".jpeg");
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RegisterComponent<FileDisplayImage>(".jfif");
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RegisterComponent<FileDisplayImage>(".pjpeg");
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RegisterComponent<FileDisplayImage>(".pjg");
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RegisterComponent<FileDisplayImage>(".png");
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RegisterComponent<FileDisplayImage>(".svg");
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RegisterComponent<FileDisplayImage>(".webp");
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}
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private string GetExtensionKey(string pathOrExtension)
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{
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return Path.GetExtension(pathOrExtension).ToUpperInvariant();
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}
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public bool RegisterComponent<ComponentType>(string filenameOrExtension) where ComponentType : IFileDisplayComponent
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{
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string extensionString = GetExtensionKey(filenameOrExtension);
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_extensionToComponents.Add(extensionString, typeof(ComponentType));
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return true;
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}
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public Type? GetDisplayComponentType(string filenameOrExtension) {
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var result = _extensionToComponents.TryGetValue(GetExtensionKey(filenameOrExtension), out var component);
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return (result) ? component : null;
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}
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}
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