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Code Issues Releases Wiki Activity

Add PropertyChangeCommand

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This commit is contained in:
Marvin Schürz 2024-10-10 15:27:03 +02:00
parent 1924463465
commit 4a2995d7e5
1 changed files with 36 additions and 0 deletions
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36
osu.Game/Screens/Edit/Commands/PropertyChangeCommand.cs Normal file
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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.
namespace osu.Game.Screens.Edit.Commands
{
public abstract class PropertyChangeCommand<TTarget, TProperty> : IEditorCommand, IMergeableCommand where TTarget : class
{
protected abstract TProperty ReadValue(TTarget target);
protected abstract void WriteValue(TTarget target, TProperty value);
protected abstract PropertyChangeCommand<TTarget, TProperty> CreateInstance(TTarget target, TProperty value);
public readonly TTarget Target;
public readonly TProperty Value;
protected PropertyChangeCommand(TTarget target, TProperty value)
{
Target = target;
Value = value;
}
public void Apply() => WriteValue(Target, Value);
public IEditorCommand CreateUndo() => CreateInstance(Target, Value);
public IEditorCommand? MergeWith(IEditorCommand previous)
{
if (previous is PropertyChangeCommand<TTarget, TProperty> command && command.Target == Target)
return this;
return null;
}
}
}