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osu-lazer/osu.Game/Overlays/Profile/Sections/PaginatedProfileSubsection.cs

151 lines
4.5 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 osuTK;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Online.API;
using osu.Game.Users;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using osu.Game.Graphics.UserInterface;
using osu.Game.Rulesets;
using osu.Game.Graphics.Sprites;
using osu.Game.Graphics;
namespace osu.Game.Overlays.Profile.Sections
{
public abstract class PaginatedProfileSubsection<TModel> : ProfileSubsection
{
[Resolved]
private IAPIProvider api { get; set; }
[Resolved]
protected RulesetStore Rulesets { get; private set; }
protected int VisiblePages;
protected int ItemsPerPage;
protected FillFlowContainer ItemsContainer { get; private set; }
private APIRequest<List<TModel>> retrievalRequest;
private CancellationTokenSource loadCancellation;
private ShowMoreButton moreButton;
private OsuSpriteText missing;
private readonly string missingText;
protected PaginatedProfileSubsection(Bindable<User> user, string headerText = "", string missingText = "")
: base(user, headerText, CounterVisibilityState.AlwaysVisible)
{
this.missingText = missingText;
}
protected override Drawable CreateContent() => new FillFlowContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
Children = new Drawable[]
{
ItemsContainer = new FillFlowContainer
{
AutoSizeAxes = Axes.Y,
RelativeSizeAxes = Axes.X,
Spacing = new Vector2(0, 2),
},
moreButton = new ShowMoreButton
{
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
Alpha = 0,
Margin = new MarginPadding { Top = 10 },
Action = showMore,
},
missing = new OsuSpriteText
{
Font = OsuFont.GetFont(size: 15),
Text = missingText,
Alpha = 0,
}
}
};
protected override void LoadComplete()
{
base.LoadComplete();
User.BindValueChanged(onUserChanged, true);
}
private void onUserChanged(ValueChangedEvent<User> e)
{
loadCancellation?.Cancel();
retrievalRequest?.Cancel();
VisiblePages = 0;
ItemsContainer.Clear();
if (e.NewValue != null)
{
showMore();
SetCount(GetCount(e.NewValue));
}
}
private void showMore()
{
loadCancellation = new CancellationTokenSource();
retrievalRequest = CreateRequest();
retrievalRequest.Success += UpdateItems;
api.Queue(retrievalRequest);
}
protected virtual void UpdateItems(List<TModel> items) => Schedule(() =>
{
OnItemsReceived(items);
if (!items.Any() && VisiblePages == 1)
{
moreButton.Hide();
moreButton.IsLoading = false;
if (!string.IsNullOrEmpty(missingText))
missing.Show();
return;
}
LoadComponentsAsync(items.Select(CreateDrawableItem).Where(d => d != null), drawables =>
{
missing.Hide();
moreButton.FadeTo(items.Count == ItemsPerPage ? 1 : 0);
moreButton.IsLoading = false;
ItemsContainer.AddRange(drawables);
}, loadCancellation.Token);
});
protected virtual int GetCount(User user) => 0;
protected virtual void OnItemsReceived(List<TModel> items)
{
}
protected abstract APIRequest<List<TModel>> CreateRequest();
protected abstract Drawable CreateDrawableItem(TModel model);
protected override void Dispose(bool isDisposing)
{
retrievalRequest?.Cancel();
loadCancellation?.Cancel();
base.Dispose(isDisposing);
}
}
}