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Merge pull request #10241 from peppy/editor-ternary-states

Rework ternary states to fix context menus not updating after already displayed
This commit is contained in:
Dan Balasescu 2020-09-25 17:31:30 +09:00 committed by GitHub
commit 54557ac6a7
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 160 additions and 138 deletions

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@ -1,9 +1,10 @@
// 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 System;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics.UserInterface;
using osu.Game.Graphics.UserInterface;
using osu.Game.Rulesets.Edit;
@ -14,75 +15,80 @@ namespace osu.Game.Rulesets.Taiko.Edit
{
public class TaikoSelectionHandler : SelectionHandler
{
private readonly Bindable<TernaryState> selectionRimState = new Bindable<TernaryState>();
private readonly Bindable<TernaryState> selectionStrongState = new Bindable<TernaryState>();
[BackgroundDependencyLoader]
private void load()
{
selectionStrongState.ValueChanged += state =>
{
switch (state.NewValue)
{
case TernaryState.False:
SetStrongState(false);
break;
case TernaryState.True:
SetStrongState(true);
break;
}
};
selectionRimState.ValueChanged += state =>
{
switch (state.NewValue)
{
case TernaryState.False:
SetRimState(false);
break;
case TernaryState.True:
SetRimState(true);
break;
}
};
}
public void SetStrongState(bool state)
{
var hits = SelectedHitObjects.OfType<Hit>();
ChangeHandler.BeginChange();
foreach (var h in hits)
h.IsStrong = state;
ChangeHandler.EndChange();
}
public void SetRimState(bool state)
{
var hits = SelectedHitObjects.OfType<Hit>();
ChangeHandler.BeginChange();
foreach (var h in hits)
h.Type = state ? HitType.Rim : HitType.Centre;
ChangeHandler.EndChange();
}
protected override IEnumerable<MenuItem> GetContextMenuItemsForSelection(IEnumerable<SelectionBlueprint> selection)
{
if (selection.All(s => s.HitObject is Hit))
{
var hits = selection.Select(s => s.HitObject).OfType<Hit>();
yield return new TernaryStateMenuItem("Rim", action: state =>
{
ChangeHandler.BeginChange();
foreach (var h in hits)
{
switch (state)
{
case TernaryState.True:
h.Type = HitType.Rim;
break;
case TernaryState.False:
h.Type = HitType.Centre;
break;
}
}
ChangeHandler.EndChange();
})
{
State = { Value = getTernaryState(hits, h => h.Type == HitType.Rim) }
};
}
yield return new TernaryStateMenuItem("Rim") { State = { BindTarget = selectionRimState } };
if (selection.All(s => s.HitObject is TaikoHitObject))
{
var hits = selection.Select(s => s.HitObject).OfType<TaikoHitObject>();
yield return new TernaryStateMenuItem("Strong", action: state =>
{
ChangeHandler.BeginChange();
foreach (var h in hits)
{
switch (state)
{
case TernaryState.True:
h.IsStrong = true;
break;
case TernaryState.False:
h.IsStrong = false;
break;
}
EditorBeatmap?.UpdateHitObject(h);
}
ChangeHandler.EndChange();
})
{
State = { Value = getTernaryState(hits, h => h.IsStrong) }
};
}
yield return new TernaryStateMenuItem("Strong") { State = { BindTarget = selectionStrongState } };
}
private TernaryState getTernaryState<T>(IEnumerable<T> selection, Func<T, bool> func)
protected override void UpdateTernaryStates()
{
if (selection.Any(func))
return selection.All(func) ? TernaryState.True : TernaryState.Indeterminate;
base.UpdateTernaryStates();
return TernaryState.False;
selectionRimState.Value = GetStateFromSelection(SelectedHitObjects.OfType<Hit>(), h => h.Type == HitType.Rim);
selectionStrongState.Value = GetStateFromSelection(SelectedHitObjects.OfType<TaikoHitObject>(), h => h.IsStrong);
}
}
}

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@ -4,7 +4,9 @@
using System;
using System.Collections.Generic;
using System.Linq;
using Humanizer;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Cursor;
@ -59,6 +61,8 @@ namespace osu.Game.Screens.Edit.Compose.Components
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
createStateBindables();
InternalChild = content = new Container
{
Children = new Drawable[]
@ -308,6 +312,90 @@ namespace osu.Game.Screens.Edit.Compose.Components
#endregion
#region Selection State
private readonly Bindable<TernaryState> selectionNewComboState = new Bindable<TernaryState>();
private readonly Dictionary<string, Bindable<TernaryState>> selectionSampleStates = new Dictionary<string, Bindable<TernaryState>>();
/// <summary>
/// Set up ternary state bindables and bind them to selection/hitobject changes (in both directions)
/// </summary>
private void createStateBindables()
{
// hit samples
var sampleTypes = new[] { HitSampleInfo.HIT_WHISTLE, HitSampleInfo.HIT_CLAP, HitSampleInfo.HIT_FINISH };
foreach (var sampleName in sampleTypes)
{
var bindable = new Bindable<TernaryState>
{
Description = sampleName.Replace("hit", string.Empty).Titleize()
};
bindable.ValueChanged += state =>
{
switch (state.NewValue)
{
case TernaryState.False:
RemoveHitSample(sampleName);
break;
case TernaryState.True:
AddHitSample(sampleName);
break;
}
};
selectionSampleStates[sampleName] = bindable;
}
// new combo
selectionNewComboState.ValueChanged += state =>
{
switch (state.NewValue)
{
case TernaryState.False:
SetNewCombo(false);
break;
case TernaryState.True:
SetNewCombo(true);
break;
}
};
// bring in updates from selection changes
EditorBeatmap.HitObjectUpdated += _ => UpdateTernaryStates();
EditorBeatmap.SelectedHitObjects.CollectionChanged += (sender, args) => UpdateTernaryStates();
}
/// <summary>
/// Called when context menu ternary states may need to be recalculated (selection changed or hitobject updated).
/// </summary>
protected virtual void UpdateTernaryStates()
{
selectionNewComboState.Value = GetStateFromSelection(SelectedHitObjects.OfType<IHasComboInformation>(), h => h.NewCombo);
foreach (var (sampleName, bindable) in selectionSampleStates)
{
bindable.Value = GetStateFromSelection(SelectedHitObjects, h => h.Samples.Any(s => s.Name == sampleName));
}
}
/// <summary>
/// Given a selection target and a function of truth, retrieve the correct ternary state for display.
/// </summary>
protected TernaryState GetStateFromSelection<T>(IEnumerable<T> selection, Func<T, bool> func)
{
if (selection.Any(func))
return selection.All(func) ? TernaryState.True : TernaryState.Indeterminate;
return TernaryState.False;
}
#endregion
#region Context Menu
public MenuItem[] ContextMenuItems
@ -322,7 +410,9 @@ namespace osu.Game.Screens.Edit.Compose.Components
items.AddRange(GetContextMenuItemsForSelection(selectedBlueprints));
if (selectedBlueprints.All(b => b.HitObject is IHasComboInformation))
items.Add(createNewComboMenuItem());
{
items.Add(new TernaryStateMenuItem("New combo") { State = { BindTarget = selectionNewComboState } });
}
if (selectedBlueprints.Count == 1)
items.AddRange(selectedBlueprints[0].ContextMenuItems);
@ -331,12 +421,8 @@ namespace osu.Game.Screens.Edit.Compose.Components
{
new OsuMenuItem("Sound")
{
Items = new[]
{
createHitSampleMenuItem("Whistle", HitSampleInfo.HIT_WHISTLE),
createHitSampleMenuItem("Clap", HitSampleInfo.HIT_CLAP),
createHitSampleMenuItem("Finish", HitSampleInfo.HIT_FINISH)
}
Items = selectionSampleStates.Select(kvp =>
new TernaryStateMenuItem(kvp.Value.Description) { State = { BindTarget = kvp.Value } }).ToArray()
},
new OsuMenuItem("Delete", MenuItemType.Destructive, deleteSelected),
});
@ -353,76 +439,6 @@ namespace osu.Game.Screens.Edit.Compose.Components
protected virtual IEnumerable<MenuItem> GetContextMenuItemsForSelection(IEnumerable<SelectionBlueprint> selection)
=> Enumerable.Empty<MenuItem>();
private MenuItem createNewComboMenuItem()
{
return new TernaryStateMenuItem("New combo", MenuItemType.Standard, setNewComboState)
{
State = { Value = getHitSampleState() }
};
void setNewComboState(TernaryState state)
{
switch (state)
{
case TernaryState.False:
SetNewCombo(false);
break;
case TernaryState.True:
SetNewCombo(true);
break;
}
}
TernaryState getHitSampleState()
{
int countExisting = selectedBlueprints.Select(b => (IHasComboInformation)b.HitObject).Count(h => h.NewCombo);
if (countExisting == 0)
return TernaryState.False;
if (countExisting < SelectedHitObjects.Count())
return TernaryState.Indeterminate;
return TernaryState.True;
}
}
private MenuItem createHitSampleMenuItem(string name, string sampleName)
{
return new TernaryStateMenuItem(name, MenuItemType.Standard, setHitSampleState)
{
State = { Value = getHitSampleState() }
};
void setHitSampleState(TernaryState state)
{
switch (state)
{
case TernaryState.False:
RemoveHitSample(sampleName);
break;
case TernaryState.True:
AddHitSample(sampleName);
break;
}
}
TernaryState getHitSampleState()
{
int countExisting = SelectedHitObjects.Count(h => h.Samples.Any(s => s.Name == sampleName));
if (countExisting == 0)
return TernaryState.False;
if (countExisting < SelectedHitObjects.Count())
return TernaryState.Indeterminate;
return TernaryState.True;
}
}
#endregion
}
}