osu/osu.Game/Input/KeyBindingStore.cs

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// 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.
2018-04-13 09:19:50 +00:00
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Input.Bindings;
using osu.Framework.Platform;
using osu.Game.Database;
using osu.Game.Input.Bindings;
using osu.Game.Rulesets;
namespace osu.Game.Input
{
public class KeyBindingStore : DatabaseBackedStore
{
public event Action KeyBindingChanged;
public KeyBindingStore(DatabaseContextFactory contextFactory, RulesetStore rulesets, Storage storage = null)
: base(contextFactory, storage)
{
using (ContextFactory.GetForWrite())
{
foreach (var info in rulesets.AvailableRulesets)
{
var ruleset = info.CreateInstance();
foreach (var variant in ruleset.AvailableVariants)
insertDefaults(ruleset.GetDefaultKeyBindings(variant), info.ID, variant);
}
}
}
public void Register(KeyBindingContainer manager) => insertDefaults(manager.DefaultKeyBindings);
private void insertDefaults(IEnumerable<KeyBinding> defaults, int? rulesetId = null, int? variant = null)
{
using (var usage = ContextFactory.GetForWrite())
{
// compare counts in database vs defaults
foreach (var group in defaults.GroupBy(k => k.Action))
{
int count = Query(rulesetId, variant).Count(k => (int)k.Action == (int)group.Key);
int aimCount = group.Count();
if (aimCount <= count)
continue;
foreach (var insertable in group.Skip(count).Take(aimCount - count))
// insert any defaults which are missing.
usage.Context.DatabasedKeyBinding.Add(new DatabasedKeyBinding
{
KeyCombination = insertable.KeyCombination,
Action = insertable.Action,
RulesetID = rulesetId,
Variant = variant
});
}
}
}
/// <summary>
/// Retrieve <see cref="DatabasedKeyBinding"/>s for a specified ruleset/variant content.
/// </summary>
/// <param name="rulesetId">The ruleset's internal ID.</param>
/// <param name="variant">An optional variant.</param>
/// <returns></returns>
public List<DatabasedKeyBinding> Query(int? rulesetId = null, int? variant = null) =>
ContextFactory.Get().DatabasedKeyBinding.Where(b => b.RulesetID == rulesetId && b.Variant == variant).ToList();
public void Update(KeyBinding keyBinding)
{
using (ContextFactory.GetForWrite())
{
var dbKeyBinding = (DatabasedKeyBinding)keyBinding;
Refresh(ref dbKeyBinding);
if (dbKeyBinding.KeyCombination.Equals(keyBinding.KeyCombination))
return;
dbKeyBinding.KeyCombination = keyBinding.KeyCombination;
}
KeyBindingChanged?.Invoke();
}
}
}