osu/osu.Game/Screens/Edit/Setup/LabelledFileChooser.cs

132 lines
4.4 KiB
C#

// 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 System.Threading.Tasks;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Extensions;
using osu.Framework.Extensions.ObjectExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Cursor;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Localisation;
using osu.Framework.Platform;
using osu.Game.Database;
using osu.Game.Graphics.UserInterfaceV2;
using osuTK;
namespace osu.Game.Screens.Edit.Setup
{
/// <summary>
/// A labelled drawable displaying file chooser on click, with placeholder text support.
/// todo: this should probably not use PopoverTextBox just to display placeholder text, but is the best way for now.
/// </summary>
internal class LabelledFileChooser : LabelledDrawable<LabelledTextBoxWithPopover.PopoverTextBox>, IHasCurrentValue<FileInfo?>, ICanAcceptFiles, IHasPopover
{
private readonly string[] handledExtensions;
public IEnumerable<string> HandledExtensions => handledExtensions;
[Resolved]
private OsuGameBase game { get; set; } = null!;
/// <summary>
/// The initial path to use when displaying the <see cref="FileChooserPopover"/>.
/// </summary>
/// <remarks>
/// Uses a <see langword="null"/> value before the first selection is made
/// to ensure that the first selection starts at <see cref="GameHost.InitialFileSelectorPath"/>.
/// </remarks>
private string? initialChooserPath;
private readonly BindableWithCurrent<FileInfo?> current = new BindableWithCurrent<FileInfo?>();
public Bindable<FileInfo?> Current
{
get => current.Current;
set => current.Current = value;
}
public LocalisableString Text
{
get => Component.PlaceholderText;
set => Component.PlaceholderText = value;
}
public CompositeDrawable TabbableContentContainer
{
set => Component.TabbableContentContainer = value;
}
public LabelledFileChooser(params string[] handledExtensions)
: base(false)
{
this.handledExtensions = handledExtensions;
}
protected override void LoadComplete()
{
base.LoadComplete();
game.RegisterImportHandler(this);
Current.BindValueChanged(onFileSelected);
}
private void onFileSelected(ValueChangedEvent<FileInfo?> file)
{
if (file.NewValue != null)
this.HidePopover();
initialChooserPath = file.NewValue?.DirectoryName;
}
Task ICanAcceptFiles.Import(params string[] paths)
{
Schedule(() => Current.Value = new FileInfo(paths.First()));
return Task.CompletedTask;
}
Task ICanAcceptFiles.Import(params ImportTask[] tasks) => throw new NotImplementedException();
protected override void Dispose(bool isDisposing)
{
base.Dispose(isDisposing);
if (game.IsNotNull())
game.UnregisterImportHandler(this);
}
protected override LabelledTextBoxWithPopover.PopoverTextBox CreateComponent() => new LabelledTextBoxWithPopover.PopoverTextBox
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.X,
CornerRadius = CORNER_RADIUS,
OnFocused = this.ShowPopover,
};
public Popover GetPopover() => new FileChooserPopover(handledExtensions, Current, initialChooserPath);
private class FileChooserPopover : OsuPopover
{
public FileChooserPopover(string[] handledExtensions, Bindable<FileInfo?> currentFile, string? chooserPath)
{
Child = new Container
{
Size = new Vector2(600, 400),
Child = new OsuFileSelector(chooserPath, handledExtensions)
{
RelativeSizeAxes = Axes.Both,
CurrentFile = { BindTarget = currentFile }
},
};
}
}
}
}