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Add sorting support

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This commit is contained in:
Dean Herbert
2017-12-14 20:40:58 +09:00
parent b4b2f12116
commit 67f05977ea
7 changed files with 204 additions and 153 deletions
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44
osu.Game/Screens/Select/Carousel/CarouselItem.cs
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@ -4,7 +4,6 @@
using System;
using System.Collections.Generic;
using osu.Framework.Configuration;
using osu.Framework.Extensions.IEnumerableExtensions;
namespace osu.Game.Screens.Select.Carousel
{
@ -14,45 +13,62 @@ namespace osu.Game.Screens.Select.Carousel
public readonly Bindable<CarouselItemState> State = new Bindable<CarouselItemState>(CarouselItemState.NotSelected);
protected virtual IEnumerable<CarouselItem> Children { get; set; }
public IReadOnlyList<CarouselItem> Children => InternalChildren;
protected List<CarouselItem> InternalChildren { get; set; }
public bool Visible => State.Value != CarouselItemState.Hidden && !Filtered.Value;
public readonly Lazy<IEnumerable<DrawableCarouselItem>> Drawables;
protected CarouselItem()
public IEnumerable<DrawableCarouselItem> Drawables
{
Drawables = new Lazy<IEnumerable<DrawableCarouselItem>>(() =>
get
{
List<DrawableCarouselItem> items = new List<DrawableCarouselItem>();
var self = CreateDrawableRepresentation();
var self = drawableRepresentation.Value;
if (self != null) items.Add(self);
if (Children != null)
foreach (var c in Children)
items.AddRange(c.Drawables.Value);
if (InternalChildren != null)
foreach (var c in InternalChildren)
items.AddRange(c.Drawables);
return items;
});
}
}
public virtual void AddChild(CarouselItem i) => (InternalChildren ?? (InternalChildren = new List<CarouselItem>())).Add(i);
public virtual void RemoveChild(CarouselItem i) => InternalChildren?.Remove(i);
protected CarouselItem()
{
drawableRepresentation = new Lazy<DrawableCarouselItem>(CreateDrawableRepresentation);
State.ValueChanged += v =>
{
if (Children == null) return;
if (InternalChildren == null) return;
switch (v)
{
case CarouselItemState.Hidden:
case CarouselItemState.NotSelected:
Children.ForEach(c => c.State.Value = CarouselItemState.Hidden);
InternalChildren.ForEach(c => c.State.Value = CarouselItemState.Hidden);
break;
}
};
}
private readonly Lazy<DrawableCarouselItem> drawableRepresentation;
protected abstract DrawableCarouselItem CreateDrawableRepresentation();
public virtual void Filter(FilterCriteria criteria) => Children?.ForEach(c => c.Filter(criteria));
public virtual void Filter(FilterCriteria criteria)
{
InternalChildren?.Sort((x, y) => x.CompareTo(criteria, y));
InternalChildren?.ForEach(c => c.Filter(criteria));
}
public virtual int CompareTo(FilterCriteria criteria, CarouselItem other) => GetHashCode().CompareTo(other.GetHashCode());
}
public enum CarouselItemState