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osu-lazer/osu.Game/Screens/Edit/Setup/FileChooserLabelledTextBox.cs
2021-12-03 18:49:49 +09:00

123 lines
3.9 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.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Cursor;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input.Events;
using osu.Game.Database;
using osu.Game.Graphics.UserInterface;
using osu.Game.Graphics.UserInterfaceV2;
using osuTK;
namespace osu.Game.Screens.Edit.Setup
{
/// <summary>
/// A labelled textbox which reveals an inline file chooser when clicked.
/// </summary>
internal class FileChooserLabelledTextBox : LabelledTextBox, ICanAcceptFiles, IHasPopover
{
private readonly string[] handledExtensions;
public IEnumerable<string> HandledExtensions => handledExtensions;
private readonly Bindable<FileInfo> currentFile = new Bindable<FileInfo>();
[Resolved]
private OsuGameBase game { get; set; }
public FileChooserLabelledTextBox(params string[] handledExtensions)
{
this.handledExtensions = handledExtensions;
}
protected override OsuTextBox CreateTextBox() =>
new FileChooserOsuTextBox
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.X,
CornerRadius = CORNER_RADIUS,
OnFocused = this.ShowPopover
};
protected override void LoadComplete()
{
base.LoadComplete();
game.RegisterImportHandler(this);
currentFile.BindValueChanged(onFileSelected);
}
private void onFileSelected(ValueChangedEvent<FileInfo> file)
{
if (file.NewValue == null)
return;
this.HidePopover();
Current.Value = file.NewValue.FullName;
}
Task ICanAcceptFiles.Import(params string[] paths)
{
Schedule(() => currentFile.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);
game.UnregisterImportHandler(this);
}
internal class FileChooserOsuTextBox : OsuTextBox
{
public Action OnFocused;
protected override bool OnDragStart(DragStartEvent e)
{
// This text box is intended to be "read only" without actually specifying that.
// As such we don't want to allow the user to select its content with a drag.
return false;
}
protected override void OnFocus(FocusEvent e)
{
OnFocused?.Invoke();
base.OnFocus(e);
GetContainingInputManager().TriggerFocusContention(this);
}
}
public Popover GetPopover() => new FileChooserPopover(handledExtensions, currentFile);
private class FileChooserPopover : OsuPopover
{
public FileChooserPopover(string[] handledExtensions, Bindable<FileInfo> currentFile)
{
Child = new Container
{
Size = new Vector2(600, 400),
Child = new OsuFileSelector(currentFile.Value?.DirectoryName, handledExtensions)
{
RelativeSizeAxes = Axes.Both,
CurrentFile = { BindTarget = currentFile }
},
};
}
}
}
}