osu/osu.Game/Graphics/UserInterfaceV2/FileSelector.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Input.Events;
namespace osu.Game.Graphics.UserInterfaceV2
{
public class FileSelector : DirectorySelector
{
private readonly string[] validFileExtensions;
[Cached]
public readonly Bindable<FileInfo> CurrentFile = new Bindable<FileInfo>();
public FileSelector(string initialPath = null, string[] validFileExtensions = null)
: base(initialPath)
{
this.validFileExtensions = validFileExtensions ?? Array.Empty<string>();
}
protected override IEnumerable<DisplayPiece> GetEntriesForPath(DirectoryInfo path)
{
foreach (var dir in base.GetEntriesForPath(path))
yield return dir;
IEnumerable<FileInfo> files = path.GetFiles();
if (validFileExtensions.Length > 0)
files = files.Where(f => validFileExtensions.Contains(f.Extension));
foreach (var file in files.OrderBy(d => d.Name))
{
if ((file.Attributes & FileAttributes.Hidden) == 0)
yield return new FilePiece(file);
}
}
protected class FilePiece : DisplayPiece
{
private readonly FileInfo file;
[Resolved]
private Bindable<FileInfo> currentFile { get; set; }
public FilePiece(FileInfo file)
{
this.file = file;
}
protected override bool OnClick(ClickEvent e)
{
currentFile.Value = file;
return true;
}
protected override string FallbackName => file.Name;
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protected override IconUsage? Icon
{
get
{
switch (file.Extension)
{
case ".ogg":
case ".mp3":
case ".wav":
return FontAwesome.Regular.FileAudio;
case ".jpg":
case ".jpeg":
case ".png":
return FontAwesome.Regular.FileImage;
case ".mp4":
case ".avi":
case ".mov":
case ".flv":
return FontAwesome.Regular.FileVideo;
default:
return FontAwesome.Regular.File;
}
}
}
}
}
}