32 lines
1.5 KiB
C#
32 lines
1.5 KiB
C#
#nullable enable
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using System.Collections.Generic;
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using System.Linq;
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namespace BizHawk.Client.Common
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{
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public sealed class FilesystemFilterSet
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{
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public readonly IReadOnlyCollection<FilesystemFilter> Filters;
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public FilesystemFilterSet(params FilesystemFilter[] filters)
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{
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Filters = filters;
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}
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/// <remarks>appends <c>All Files</c> entry (calls <see cref="ToString(bool)"/> with <see langword="true"/>), return value is a valid <c>Filter</c> for <c>Save-</c>/<c>OpenFileDialog</c></remarks>
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public override string ToString() => ToString(true);
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/// <remarks>call other overload to prepend combined entry, return value is a valid <c>Filter</c> for <c>Save-</c>/<c>OpenFileDialog</c></remarks>
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public string ToString(bool addAllFilesEntry) => addAllFilesEntry
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? $"{ToString(false)}|{FilesystemFilter.AllFilesEntry}"
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: string.Join("|", Filters.Select(filter => filter.ToString()));
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/// <remarks>call other overload (omit <paramref name="combinedEntryDesc"/>) to not prepend combined entry, return value is a valid <c>Filter</c> for <c>Save-</c>/<c>OpenFileDialog</c></remarks>
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public string ToString(string combinedEntryDesc, bool addAllFilesEntry = true)
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=> $"{FilesystemFilter.SerializeEntry(combinedEntryDesc, Filters.SelectMany(filter => filter.Extensions).Distinct().OrderBy(s => s))}|{ToString(addAllFilesEntry)}";
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public static readonly FilesystemFilterSet Screenshots = new FilesystemFilterSet(FilesystemFilter.PNGs, new FilesystemFilter(".bmp Files", new[] { "bmp" }));
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}
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}
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