mirror of https://github.com/ppy/osu
139 lines
4.4 KiB
C#
139 lines
4.4 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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#nullable disable
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Input.Events;
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using osu.Framework.Localisation;
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using osu.Game.Beatmaps;
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using osu.Game.Database;
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using osu.Game.Graphics;
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using osu.Game.Graphics.Containers;
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using osuTK.Graphics;
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namespace osu.Game.Overlays.Music
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{
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public partial class PlaylistItem : OsuRearrangeableListItem<Live<BeatmapSetInfo>>, IFilterable
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{
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public readonly Bindable<Live<BeatmapSetInfo>> SelectedSet = new Bindable<Live<BeatmapSetInfo>>();
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public Action<Live<BeatmapSetInfo>> RequestSelection;
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private TextFlowContainer text;
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private ITextPart titlePart;
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[Resolved]
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private OsuColour colours { get; set; }
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public PlaylistItem(Live<BeatmapSetInfo> item)
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: base(item)
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{
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Padding = new MarginPadding { Left = 5 };
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}
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[BackgroundDependencyLoader]
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private void load()
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{
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HandleColour = colours.Gray5;
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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Model.PerformRead(m =>
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{
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var metadata = m.Metadata;
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var title = new RomanisableString(metadata.TitleUnicode, metadata.Title);
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var artist = new RomanisableString(metadata.ArtistUnicode, metadata.Artist);
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titlePart = text.AddText(title, sprite => sprite.Font = OsuFont.GetFont(weight: FontWeight.Regular));
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titlePart.DrawablePartsRecreated += _ => updateSelectionState(SelectedSet.Value, applyImmediately: true);
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text.AddText(@" "); // to separate the title from the artist.
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text.AddText(artist, sprite =>
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{
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sprite.Font = OsuFont.GetFont(size: 14, weight: FontWeight.Bold);
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sprite.Colour = colours.Gray9;
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sprite.Padding = new MarginPadding { Top = 1 };
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});
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SelectedSet.BindValueChanged(set => updateSelectionState(set.NewValue));
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updateSelectionState(SelectedSet.Value, applyImmediately: true);
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});
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}
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private bool selected;
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private void updateSelectionState(Live<BeatmapSetInfo> selectedSet, bool applyImmediately = false)
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{
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bool wasSelected = selected;
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selected = selectedSet?.Equals(Model) == true;
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// Immediate updates should forcibly set correct state regardless of previous state.
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// This ensures that the initial state is correctly applied.
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if (wasSelected == selected && !applyImmediately)
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return;
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foreach (Drawable s in titlePart.Drawables)
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s.FadeColour(selected ? colours.Yellow : Color4.White, applyImmediately ? 0 : FADE_DURATION);
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}
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protected override Drawable CreateContent() => new DelayedLoadWrapper(text = new OsuTextFlowContainer
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{
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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});
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protected override bool OnClick(ClickEvent e)
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{
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RequestSelection?.Invoke(Model);
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return true;
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}
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private bool inSelectedCollection = true;
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public bool InSelectedCollection
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{
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get => inSelectedCollection;
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set
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{
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if (inSelectedCollection == value)
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return;
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inSelectedCollection = value;
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updateFilter();
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}
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}
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public IEnumerable<LocalisableString> FilterTerms => Model.PerformRead(m => m.Metadata.GetSearchableTerms()).Select(s => (LocalisableString)s).ToArray();
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private bool matchingFilter = true;
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public bool MatchingFilter
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{
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get => matchingFilter && inSelectedCollection;
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set
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{
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if (matchingFilter == value)
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return;
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matchingFilter = value;
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updateFilter();
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}
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}
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private void updateFilter() => this.FadeTo(MatchingFilter ? 1 : 0, 200);
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public bool FilteringActive { get; set; }
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}
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}
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