Add test case for the interactable lyric.

osu.Game.Rulesets.Karaoke.Tests/Screens/Edit/Beatmap/Lyrics/Content/TestSceneInteractableLyric.cs

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+// Copyright (c) andy840119 <andy840119@gmail.com>. Licensed under the GPL Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Cursor;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Testing;
+using osu.Game.Graphics;
+using osu.Game.Rulesets.Karaoke.Beatmaps;
+using osu.Game.Rulesets.Karaoke.Configuration;
+using osu.Game.Rulesets.Karaoke.Edit.ChangeHandlers.Lyrics;
+using osu.Game.Rulesets.Karaoke.Objects;
+using osu.Game.Rulesets.Karaoke.Screens.Edit.Beatmaps;
+using osu.Game.Rulesets.Karaoke.Screens.Edit.Beatmaps.Lyrics;
+using osu.Game.Rulesets.Karaoke.Screens.Edit.Beatmaps.Lyrics.Content.Components.Lyrics;
+using osu.Game.Rulesets.Karaoke.Screens.Edit.Beatmaps.Lyrics.States;
+using osu.Game.Rulesets.Karaoke.Screens.Edit.Beatmaps.Lyrics.States.Modes;
+using osu.Game.Rulesets.Karaoke.Tests.Helper;
+using osu.Game.Screens.Edit;
+using osu.Game.Tests.Visual;
+using osuTK;
+
+namespace osu.Game.Rulesets.Karaoke.Tests.Screens.Edit.Beatmap.Lyrics.Content;
+
+public partial class TestSceneInteractableLyric : EditorClockTestScene
+{
+    private const int border = 36;
+
+    private static readonly Lyric lyric = new()
+    {
+        Text = "カラオケ",
+        TimeTags = TestCaseTagHelper.ParseTimeTags(new[] { "[0,start]:1000#^ka", "[1,start]:2000#ra", "[2,start]:3000#o", "[3,start]:4000#ke", "[3,end]:5000" }),
+        RubyTags = TestCaseTagHelper.ParseRubyTags(new[] { "[0]:か", "[1]:ら", "[2]:お", "[3]:け" }),
+    };
+
+    [Resolved]
+    private OsuColour colour { get; set; } = null!;
+
+    [Cached(typeof(EditorBeatmap))]
+    private readonly EditorBeatmap editorBeatmap = new(new KaraokeBeatmap
+    {
+        BeatmapInfo =
+        {
+            Ruleset = new KaraokeRuleset().RulesetInfo,
+        },
+    });
+
+    public TestSceneInteractableLyric()
+    {
+        editorBeatmap.Add(lyric);
+        editorBeatmap.SelectedHitObjects.Add(lyric);
+    }
+
+    [Test]
+    public void TestGridLayer()
+    {
+        AddToggleStep("Add/remove the grid layer", value =>
+        {
+            if (value)
+            {
+                addLoader(new LayerLoader<GridLayer>
+                {
+                    OnLoad = layer =>
+                    {
+                        layer.Spacing = 10;
+                    },
+                });
+            }
+            else
+            {
+                removeLoader<GridLayer>();
+            }
+        });
+
+        AddSliderStep("Change the spacing of the grid", 0, 100, 10, value =>
+        {
+            changeLayerProperty<GridLayer>(layer =>
+            {
+                layer.Spacing = value;
+            });
+        });
+    }
+
+    [Test]
+    public void TestEditLyricLayer()
+    {
+        AddToggleStep("Add/remove the edit lyric layer", value =>
+        {
+            if (value)
+            {
+                addLoader<EditLyricLayer>();
+            }
+            else
+            {
+                removeLoader<EditLyricLayer>();
+            }
+        });
+    }
+
+    [Test]
+    public void TestTimeTagLayer()
+    {
+        AddToggleStep("Add/remove the time-tag layer", value =>
+        {
+            if (value)
+            {
+                addLoader<TimeTagLayer>();
+            }
+            else
+            {
+                removeLoader<TimeTagLayer>();
+            }
+        });
+    }
+
+    [Test]
+    public void TestCaretLayer()
+    {
+        AddToggleStep("Add/remove the caret layer", value =>
+        {
+            if (value)
+            {
+                addLoader<CaretLayer>();
+            }
+            else
+            {
+                removeLoader<CaretLayer>();
+            }
+        });
+
+        AddStep("View mode", () => switchMode(LyricEditorMode.View));
+        AddStep("Typing mode", () => switchMode(LyricEditorMode.EditText, TextEditStep.Typing));
+        AddStep("Cutting mode", () => switchMode(LyricEditorMode.EditText, TextEditStep.Split));
+        AddStep("Edit ruby mode", () => switchMode(LyricEditorMode.EditRuby, RubyTagEditMode.Create));
+        AddStep("Edit time-tag mode", () => switchMode(LyricEditorMode.EditTimeTag, TimeTagEditStep.Create));
+        AddStep("Record time-tag mode", () => switchMode(LyricEditorMode.EditTimeTag, TimeTagEditStep.Recording));
+    }
+
+    [Test]
+    public void TestBlueprintLayer()
+    {
+        AddToggleStep("Add/remove the blueprint layer", value =>
+        {
+            if (value)
+            {
+                addLoader<BlueprintLayer>();
+            }
+            else
+            {
+                removeLoader<BlueprintLayer>();
+            }
+        });
+
+        AddStep("Ruby blueprint", () =>
+        {
+            switchMode(LyricEditorMode.EditRuby, RubyTagEditMode.Create);
+            switchEditRubyModeState(RubyTagEditMode.Modify);
+        });
+        AddStep("Time-tag adjust blueprint", () =>
+        {
+            switchMode(LyricEditorMode.EditTimeTag, TimeTagEditStep.Adjust);
+        });
+    }
+
+    [BackgroundDependencyLoader]
+    private void load()
+    {
+        Dependencies.CacheAs<ILyricsProvider>(new LyricsProvider().With(Add));
+        Dependencies.CacheAs<ILyricsChangeHandler>(new LyricsChangeHandler().With(Add));
+        Dependencies.CacheAs<ILyricTextChangeHandler>(new LyricTextChangeHandler().With(Add));
+        Dependencies.CacheAs<ILyricRubyTagsChangeHandler>(new LyricRubyTagsChangeHandler().With(Add));
+        Dependencies.CacheAs<ILyricTimeTagsChangeHandler>(new LyricTimeTagsChangeHandler().With(Add));
+        Dependencies.Cache(new KaraokeRulesetLyricEditorConfigManager());
+    }
+
+    #region Testing tools
+
+    private void switchMode(LyricEditorMode mode, Enum? step = null)
+    {
+        var editorState = this.ChildrenOfType<ILyricEditorState>().First();
+        editorState.SwitchMode(mode);
+
+        if (step != null)
+        {
+            editorState.SwitchEditStep(step);
+        }
+    }
+
+    private void switchEditRubyModeState(RubyTagEditMode mode)
+    {
+        var editRubyModeState = this.ChildrenOfType<IEditRubyModeState>().First();
+        editRubyModeState.BindableRubyTagEditMode.Value = mode;
+    }
+
+    private readonly List<LayerLoader> loaders = new()
+    {
+        // note: lyric layer should always in the loader and never be removed.
+        new LayerLoader<LyricLayer>
+        {
+            OnLoad = layer =>
+            {
+                layer.LyricPosition = new Vector2(border);
+            },
+        },
+    };
+
+    private LayerLoader? getLoader<TLayer>()
+        => loaders.FirstOrDefault(l => l.GetType().GenericTypeArguments.First() == typeof(TLayer));
+
+    private void addLoader<TLayer>(bool reloadView = true) where TLayer : Layer
+    {
+        addLoader(new LayerLoader<TLayer>(), reloadView);
+    }
+
+    private void addLoader<TLayer>(LayerLoader<TLayer> instance, bool reloadView = true) where TLayer : Layer
+    {
+        if (getLoader<TLayer>() != null)
+        {
+            return;
+        }
+
+        loaders.Add(instance);
+
+        if (reloadView)
+        {
+            updateInteractableLyric();
+        }
+    }
+
+    private void removeLoader<TLoader>(bool reloadView = true)
+    {
+        var loader = getLoader<TLoader>();
+
+        if (loader != null)
+        {
+            loaders.Remove(loader);
+        }
+
+        if (reloadView)
+        {
+            updateInteractableLyric();
+        }
+    }
+
+    private void changeLayerProperty<TLayer>(Action<TLayer> action, bool reloadView = true) where TLayer : Layer
+    {
+        if (getLoader<TLayer>() == null)
+        {
+            return;
+        }
+
+        removeLoader<TLayer>(false);
+        addLoader(new LayerLoader<TLayer>
+        {
+            OnLoad = action,
+        }, false);
+
+        if (reloadView)
+        {
+            updateInteractableLyric();
+        }
+    }
+
+    private void updateInteractableLyric()
+    {
+        RemoveAll(x => x is PopoverContainer, true);
+        Add(new PopoverContainer
+        {
+            Anchor = Anchor.Centre,
+            Origin = Anchor.Centre,
+            AutoSizeAxes = Axes.Both,
+            Scale = new Vector2(2),
+            Children = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = colour.BlueDark,
+                },
+                new MockLyricEditorState
+                {
+                    AutoSizeAxes = Axes.Both,
+                    Padding = new MarginPadding(48),
+                    Child = createInteractableLyric(loaders.ToArray()),
+                },
+            },
+        });
+    }
+
+    private static InteractableLyric createInteractableLyric(LayerLoader[] loaders)
+    {
+        return new InteractableLyric(lyric)
+        {
+            Anchor = Anchor.CentreLeft,
+            Origin = Anchor.CentreLeft,
+            TextSizeChanged = (self, size) =>
+            {
+                self.Width = size.X + border * 2;
+                self.Height = size.Y + border * 2;
+            },
+            Loaders = reorderLoaders(loaders),
+        };
+    }
+
+    private static LayerLoader[] reorderLoaders(LayerLoader[] loaders)
+    {
+        // follow how LyricEditor to change the sort from input loaders
+        return loaders.OrderBy(x =>
+        {
+            var type = x.GetType().GenericTypeArguments.First();
+            return type.Name switch
+            {
+                nameof(GridLayer) => 0,
+                nameof(LyricLayer) => 1,
+                nameof(EditLyricLayer) => 2,
+                nameof(TimeTagLayer) => 3,
+                nameof(CaretLayer) => 4,
+                nameof(BlueprintLayer) => 5,
+                _ => throw new InvalidOperationException(),
+            };
+        }).ToArray();
+    }
+
+    #endregion
+
+    /// <summary>
+    /// Follow <see cref="LyricEditor"/> to create the component with necessary DI.
+    /// </summary>
+    [Cached(typeof(ILyricEditorState))]
+    private partial class MockLyricEditorState : Container, ILyricEditorState
+    {
+        private readonly Bindable<LyricEditorMode> bindableMode = new();
+        private readonly Bindable<EditorModeWithEditStep> bindableModeWithEditStep = new();
+
+        public IBindable<LyricEditorMode> BindableMode => bindableMode;
+
+        public IBindable<EditorModeWithEditStep> BindableModeWithEditStep => bindableModeWithEditStep;
+        public LyricEditorMode Mode => LyricEditorMode.View;
+
+        [Cached]
+        private readonly LyricEditorColourProvider colourProvider = new();
+
+        [Cached(typeof(ILyricCaretState))]
+        private readonly LyricCaretState lyricCaretState = new();
+
+        [Cached(typeof(IEditRubyModeState))]
+        private readonly EditRubyModeState editRubyModeState = new();
+
+        [Cached(typeof(IEditTimeTagModeState))]
+        private readonly EditTimeTagModeState editTimeTagModeState = new();
+
+        /// <summary>
+        /// Add the DI into children here for prevent child is removed if call Children = [...] outside.
+        /// </summary>
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            // global state
+            AddInternal(lyricCaretState);
+
+            // state for target mode only.
+            AddInternal(editRubyModeState);
+            AddInternal(editTimeTagModeState);
+        }
+
+        public void SwitchMode(LyricEditorMode mode)
+            => bindableMode.Value = mode;
+
+        public void SwitchEditStep<TEditStep>(TEditStep editStep) where TEditStep : Enum
+        {
+            bindableModeWithEditStep.Value = new EditorModeWithEditStep
+            {
+                Mode = bindableMode.Value,
+                EditStep = editStep,
+                Default = false,
+            };
+        }
+
+        public void NavigateToFix(LyricEditorMode mode)
+            => bindableMode.Value = mode;
+    }
+}