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Add support for adding/removing items

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Tests accompany of course
This commit is contained in:
Dean Herbert
2017-12-14 16:59:08 +09:00
parent 7814b2df14
commit b4b2f12116
3 changed files with 66 additions and 50 deletions
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82
osu.Game/Screens/Select/BeatmapCarousel.cs
View File

@ -71,39 +71,45 @@ namespace osu.Game.Screens.Select
Task.Run(() =>
{
newSets = value.Select(createGroup).Where(g => g != null).ToList();
newSets = value.Select(createCarouselSet).Where(g => g != null).ToList();
newSets.ForEach(g => g.Filter(criteria));
}).ContinueWith(t =>
{
Schedule(() =>
{
beatmapSets.AddRange(newSets);
root = new CarouselGroup(newSets.OfType<CarouselItem>().ToList());
Items = root.Drawables.Value.ToList();
yPositionsCache.Invalidate();
BeatmapSetsChanged?.Invoke();
updateItems();
});
});
}
}
/// <summary>
/// Call after altering <see cref="BeatmapSets"/> in any way.
/// </summary>
private void updateItems()
{
scrollableContent.Clear(false);
root = new CarouselGroup(beatmapSets.OfType<CarouselItem>().ToList());
Items = root.Drawables.Value.ToList();
yPositionsCache.Invalidate();
BeatmapSetsChanged?.Invoke();
}
private readonly List<float> yPositions = new List<float>();
private Cached yPositionsCache = new Cached();
private readonly Container<DrawableCarouselItem> scrollableContent;
public Bindable<RandomSelectAlgorithm> RandomAlgorithm = new Bindable<RandomSelectAlgorithm>();
private readonly List<CarouselBeatmapSet> previouslyVisitedRandomSets = new List<CarouselBeatmapSet>();
private readonly Stack<CarouselBeatmap> randomSelectedBeatmaps = new Stack<CarouselBeatmap>();
protected List<DrawableCarouselItem> Items = new List<DrawableCarouselItem>();
private CarouselGroup root = new CarouselGroup();
private readonly Stack<CarouselBeatmap> randomSelectedBeatmaps = new Stack<CarouselBeatmap>();
public BeatmapCarousel()
{
Child = new OsuContextMenuContainer
@ -119,19 +125,28 @@ namespace osu.Game.Screens.Select
public void RemoveBeatmapSet(BeatmapSetInfo beatmapSet)
{
Schedule(() => removeBeatmapSet(beatmapSets.Find(b => b.BeatmapSet.ID == beatmapSet.ID)));
var existingSet = beatmapSets.Find(b => b.BeatmapSet.ID == beatmapSet.ID);
if (existingSet == null)
return;
beatmapSets.Remove(existingSet);
updateItems();
if (existingSet.State == CarouselItemState.Selected)
SelectNext();
}
public void UpdateBeatmapSet(BeatmapSetInfo beatmapSet)
{
// todo: this method should be smarter as to not recreate items that haven't changed, etc.
var oldGroup = beatmapSets.Find(b => b.BeatmapSet.ID == beatmapSet.ID);
CarouselBeatmapSet existingSet = beatmapSets.Find(b => b.BeatmapSet.ID == beatmapSet.ID);
bool hadSelection = oldGroup?.State == CarouselItemState.Selected;
bool hadSelection = existingSet?.State?.Value == CarouselItemState.Selected;
var newSet = createGroup(beatmapSet);
var newSet = createCarouselSet(beatmapSet);
int index = beatmapSets.IndexOf(oldGroup);
int index = beatmapSets.IndexOf(existingSet);
if (index >= 0)
beatmapSets.RemoveAt(index);
@ -139,8 +154,8 @@ namespace osu.Game.Screens.Select
{
if (index >= 0)
beatmapSets.Insert(index, newSet);
//else
// addBeatmapSet(newSet);
else
beatmapSets.Add(newSet);
}
if (hadSelection && newSet == null)
@ -154,10 +169,12 @@ namespace osu.Game.Screens.Select
var newSelection = newSet.Beatmaps.Find(b => b.Beatmap.ID == selectedBeatmap?.Beatmap.ID);
if (newSelection == null && selectedBeatmap != null)
newSelection = newSet.Beatmaps[Math.Min(newSet.Beatmaps.Count - 1, oldGroup.Beatmaps.IndexOf(selectedBeatmap))];
newSelection = newSet.Beatmaps[Math.Min(newSet.Beatmaps.Count - 1, existingSet.Beatmaps.IndexOf(selectedBeatmap))];
select(newSelection);
}
updateItems();
}
public void SelectBeatmap(BeatmapInfo beatmap, bool animated = true)
@ -252,11 +269,11 @@ namespace osu.Game.Screens.Select
notYetVisitedSets = visible;
}
set = notYetVisitedSets.ElementAt(RNG.Next(notYetVisitedSets.Count()));
set = notYetVisitedSets.ElementAt(RNG.Next(notYetVisitedSets.Count));
previouslyVisitedRandomSets.Add(set);
}
else
set = visible.ElementAt(RNG.Next(visible.Count()));
set = visible.ElementAt(RNG.Next(visible.Count));
select(set.Beatmaps[RNG.Next(set.Beatmaps.Count)]);
}
@ -337,7 +354,7 @@ namespace osu.Game.Screens.Select
ScrollTo(selectedY, animated);
}
private CarouselBeatmapSet createGroup(BeatmapSetInfo beatmapSet)
private CarouselBeatmapSet createCarouselSet(BeatmapSetInfo beatmapSet)
{
if (beatmapSet.Beatmaps.All(b => b.Hidden))
return null;
@ -373,25 +390,6 @@ namespace osu.Game.Screens.Select
config.BindWith(OsuSetting.RandomSelectAlgorithm, RandomAlgorithm);
}
private void removeBeatmapSet(CarouselBeatmapSet set)
{
if (set == null)
return;
beatmapSets.Remove(set);
foreach (var d in set.Drawables.Value)
{
Items.Remove(d);
scrollableContent.Remove(d);
}
if (set.State == CarouselItemState.Selected)
SelectNext();
yPositionsCache.Invalidate();
}
/// <summary>
/// Computes the target Y positions for every item in the carousel.
/// </summary>

2
osu.Game/Screens/Select/Carousel/DrawableCarouselBeatmapSet.cs
View File

@ -52,7 +52,7 @@ namespace osu.Game.Screens.Select.Carousel
new PanelBackground(manager.GetWorkingBeatmap(beatmapSet.Beatmaps.FirstOrDefault()))
{
RelativeSizeAxes = Axes.Both,
OnLoadComplete = d => d.FadeInFromZero(400, Easing.Out),
OnLoadComplete = d => d.FadeInFromZero(1000, Easing.OutQuint),
}, 300
),
new FillFlowContainer